Manufacturers Index - Abenaque Machine Works
Abenaque Machine Works
Westminster Station, VT, U.S.A.
Manufacturer Class:
Wood Working Machinery & Steam and Gas Engines
This page contains information on patents issued to this manufacturer.
Submitting Patent Information
If you find a patent number or patent date by this manufacturer that is not on this
list, please contact the Site Historian.
Key to Links for Patent Information
USPTO = U.S. Patent Office .
Images of the actual patent can be viewed on the U.S. Patent Office web site but
a special TIFF viewer must be installed with your browser in order properly work.
More information on how to configure your computer to view these patents can be
found at TIFF image Viewers
for Patent Images.
DATAMP = Directory of American Tool And
Machinery Patents . A sister site to VintageMachinery.org with information
on patents related to machinery and tools. A much easier user interface than the
USPTO's for finding information on machinery patents.
|
612,756
|
Oct. 18, 1898
|
Gas Engine
|
John A. Ostenberg |
Walpole, Cheshire County, NH |
Abstract:
The present invention relates to a gas engine or an engine of that class in which gas or gasolene or other substance capable of exploding when mixed with air and ignited is utilized to drive a piston, the invention consisting mainly in the novel construction and arrangement of instrumentalities and in a novel form of the regulating device whereby the explosive substance is admitted to the cylinder and exploded only when the speed of the engine falls below a predetermined maximum, so that the substance employed to drive the engine is supplied only when required.
The engine embodying the invention is provided with a cylinder open at one end, such as is commonly employed in gas-engines in which the power is applied only to drive the piston outward, the return thereof being due to momentum, and an explosion-chamber is provided `within the closed end of the cylinder, having an air and gas inlet controlled by a check-valve, so that air is forced in during the outward strokeV of the piston by atmospheric pressure, there being also a gas-inlet in a supplemental chamber outside of the explosion-chamber, the said inlet being controlled by a valve adapted to be opened when gas-supply is needed as the piston is moving outward, the said supplemental chamber being in open communication with the air, so that when said gas-valve .is opened gas and air are together drawn into the explosions chamber through a check-valve and are compressed therein by the return stroke of the piston, means being also provided for igniting the mixture of gas and air thus compressed when the piston is near the inner end of the cylinder, the piston then being driven out by the expansion of the gas caused by the explosion thereof. The gas-valve and the igniting device, which is preferably a circuit-breaker having its terminals connected to opposite sides of an electric circuit, so that a spark is after the said shaft has reached a predetermined maximum speed, and for reconnecting these parts when the speed of the shaft falls below said maximum, thus practically regulating the speed of the engine.
In accordance with the present invention the actuating device for the gas-valve and circuit-breaker is controlled by a reciprocating rod suitably operated from the main shaft, and the said rod is connected with the actuating device aforesaid by a movable connecting-piece adapted to be thrown into and out of engagement with said actuating device by means of a weight or pendulum carried by and movably supported on said reciprocating rod. The said weight is arranged to move with the reciprocating rod, but is capable of movement independently thereof, it being obvious therefore that when the said rod reaches y the end of its stroke the momentum of the weight will tend to cause said weight to continue its movement independently of that of the reciprocating rod, this tendency increasing as the speed of movement of the reciprocating rod increases and being resisted by a substantially constant yielding force, as that of gravity. The movable connecting-piece is so arranged as to be disconnected by the movement of said weight relative to the reciprocating rod, the result being that when the reciprocating rod is moving at a predetermined speed the weight at the end of each stroke thereof will operate to disconnect the same from the actuating device for the gas-valve and circuit-breaker, thus allowing the engine to run idle until the speed falls below the normal, when the weight will have less movement with relation to the reciprocating rod owing to the resisting force above mentioned, and will permit the movable connecting-piece to engage the actuating device and produce an explosion.
The invention is preferably embodied in what is known as a four-cycle engine in which every other stroke is idle, the return of the piston serving to compress the air and gas before the explosion takes place, thus obviating the necessity of special means for compressing the air, which compression is practically essential for the proper operation of an engine operating on this principle. The engine therefore is so arranged that after the explosion takes place the piston is driven outward thereby, and when it reaches the end of its outward stroke an exhaust-port is opened by a device operated from the main shaft, so that the products of combustion are free to escape during the return movement of the piston, thus practically clearing out the entire contents of the cylinder. During the next outward stroke the device for operating the gas-valve when in normal condition-that is to say, not disconnected by the regulating device above described--operates to open the gas-valve admitting gas to the supplemental chamber, where it mixes with air therein and is forced therewith into the main explosion-chamber by the atmospheric pressure due to the outward movement of the piston, which produces a vacuum within the cylinder, the check-valve being opened by such atmospheric pressure. During the return movement of the piston due to momentum after the air and gas have thus been admitted the mixture of air and gas is Compressed within the explosion-chamber, and at the end of such return movement the igniting device operates so that the explosion takes place. The igniting device and the gas valve are provided, as has been above stated, with common actuating means, but are so arranged that the gas-valve is opened by a movement of said actuating means in one direction and the igniting device actuated by its movement in the opposite direction, so that the admission of the gas and air and the ignition thereof takes place at the periods described above. In order that the actuating device may cooperate, as thus described, with the main shaft of the engine, the latter is geared to a supplemental shaft or counter-shaft from which the actuating device and the exhaust are directly operated, the gear being so arranged that the speed of said supplemental shaft is half that of the main driving-shaft. Thus when the engine is running at normal speed effective pressure is exerted at one outward stroke of the piston, which then returns, forcing out the products of combustion, and again makes an outward stroke, allowing air and gas to be sucked in behind it and to become compressed during its inward stroke, after which the piston is again acted upon by the sudden expansion of gas due to the explosion, which takes place at the end of said inward stroke. Upon rising above maximum speed, however; the effective stroke is omitted because the gas-valve and igniting device are rendered inoperative by the regulating device, the exhaust however operating regularly at every other stroke to allow the air admitted unmixed with gas when the gas next outward stroke of the piston a vacuum `will be produced whereby the check-valve controlling the inlet to the closing-chamber may be lifted to admit the admixture of air and gas if the gas-valve should be operated at this stroke.
Claims:
l. In a gas-engine, the combination with the explosion-chamber provided with an inlet controlled by a check-valve, of an air passage leading to said inlet; an inlet to said air-passage for the explosive gas or liquid and a valve controlling said inlet; a mechanically operated igniting device Within the combustion-chamber, and common means for controlling said valve and igniting device comprising a movable member cooperating with a shaft of the engine; a weight carried by said member but capable of movement independently thereof, and means for disconnecting said member from the parts operated thereby by the independent movement of said weight, substantially as described.
2. In a gas-engine provided with an explosion-chamber, the combination with a valve controlling the admission of an explosive gas or liquid to said chamber, and a mechanically operated igniting device Within said chamber; of a common actuator for said valve and igniting device, operating mechanism for said actuator comprising a reciprocating rod adapted to be reciprocated by the rotation of the main shaft, a movable connecting member adapted to connect said reciprocating rod and actuating device together, a weight carried by said rod but movable independently thereof, and an engaging portion movable with said weight and adapted to engage said connecting device when such independent movement of said weight takes place, substantially as described.
3. In a gas-engine, the combination with the explosion-chamber, of a valve controlling the admission of an explosive gas or liquid to said chamber; an igniting-device consisting of a circuit-breaker within said chamber provided with a rotating contact-piece, a common actuating device for said valve and said
circuit-breaker comprising a rock-shaft having an arm or projection adapted to operate the valve, and a pawl cooperating with a pinion mounted on the spindle of said rotating switch-contact, a reciprocating operating-rod for said actuating device, and means for disconnecting said rod from said actuating device in response to an increase in speed, substantially as described.
4. In a gas-engine, the combination With the explosion-chamber, of a mechanically operated igniting device Within said chamber, a valve controlling the admission of a common explosive gas or liquid to said chamber, an actuating device for said valve and igniting device comprising a rock-shaft adapted by its movement in one direction to open said valve and by its movement in the opposite direction to actuate said igniting device; a reciprocating rod provided with a movable connecting member adapted to connect the same with said actuating device when said rod is at or near one extremity of its reciprocating movement, a Weight carried by said rod but capable of independent movement with relation thereto, and an engaging portion carried by said weight adapted to engage said connecting device, substantially as described.
5. In a gas-engine, the combination with the valve controlling the admission of the explosive, and the igniting device, of an actuator common to both, a reciprocating rod connected with the main shaft of the engine; a collar on said rod connected with said actuating device; a hook pivotally connected to said rod normally resting upon the surface of said collar but movab1e beyond the edge thereof during the movement of the said rod; and weight pivotally suspended from said rod and provided with an engaging projection
underlying said hook, substantially as described.
6. In a gas-engine, the combination with a valve controlling the inlet for the explosive, and a mechanically-operated igniting device for said explosive, of an actuator common to said valve and igniting device, a reciprocating rod, means for automatically connecting said rod to, and disconnecting it from said actuator in response to variation in the speed of said main shaft, the main shaft provided with a gear, a supplemental shaft provided with a gear double the diameter of that on the main shaft and meshing therewith, and means for producing the reciprocating movement of said rod from the rotation of said supplemental shaft, substantially as described.
7. The combination With the explosion chamber provided With an air-inlet controlled b v a check-valve, of a valve controlling the admission of a liquid or gaseous explosive to a chamber or a passage leading to said inlet, a mechanically-operated igniting device Within the explosion-chamber, a common actuator for said valve and igniting device, an exhaust valve, and means for operating said exhaust valve and actuator by the rotation of a supplemental shaft geared to the main shaft and adapted to make two revolutions for each single revolution thereof, substantially as described.
8. In a gas-engine, the combination with a pump for an explosive liquid, of a valve connecting rod suitably operated by the main driving-shaft of the engine, and means for automatically connecting and disconnecting said rod and said rock-shaft in response to variations in the speed of the main shaft, whereby said valve is caused to remain closed, and the pump to remain stationary in response to an increase of speed, substantially as described.
9. In a gas-engine, the combination with the valve controlling the admission of the explosive, and the igniting device, of an actuator common to both, a reciprocating rod operated by the main shaft of the engine, a hook pivotally connected with said rod and adapted to engage said actuating device, and a Weight pivotally connected With said rod and adapted by a movement on its pivot to disengage said hook from said actuating device, substantially as described.
10. In a gas-engine, the combination with the explosion-chamber, of a spring-seated valve controlling the admission of an explosive thereto; an unseating device for said valve; a pump for said explosive; an igniting device comprising a circuit-breaker having stationary and rotatable members Within the explosion-chamber, the rotatable member i being provided with a ratchet outside of the explosion-chamber; a common actuating device for said valve-unseat-ing device, pump and igniting device consisting of a rock-shaft having an arm adapted to engage the said unseating device, a connection with the pump and a pawl adapted to cooperate with the ratchet aforesaid to operate the igniting device; an operating device for said rock-shaft consisting of a rod adapted to be continuously reciprocated While the engine is running; and means for disconnecting said rod from Said actuating device in response to an increase of speed in the running of the engine, substantially as described.
|
|
648,520
|
May. 01, 1900
|
Circuit Breaker for Gas Engines
|
John A. Ostenberg |
Westminster, Windham County, VT |
Abstract:
The present invention relates to a circuit-breaker, and is embodied in a circuit-breaker especially adapted for use as an igniting device for explosion-engines.
In accordance with the invention the separable terminals which produce the spark are normally yieldingly held in contact with each other as by a weight or spring and are provided with an actuating device for separating the same in order to produce a spark. The said actuating device is arranged to first separate the terminals and in its continued movement to control the restoration thereof, so that it is practicable to separate and restore the terminals at any rate of movement thereof which may be desired.
In circuit-breakers which are intended for the production of a spark it is desirable that the terminals should be separated to a considerable extent with a rapid and sudden movement to produce the spark, it being further desirable, however, that they should be restored with a gradual movement in order not to come together with a shock, which in the operation of a gas-engine, for example, soon Wears out the terminals, so that they have to be renewed. These ends can be accomplished in accordance with the present invention by so arranging the terminals with relation to the actuating device that they are separated to the maximum extent during a comparatively-short part of the movement of the actuating device and are restored as gradually as may be desired under the subsequent control of the actuating device in accordance with the invention.
The invention is herein shown as applied to a gas-engine, which forms the subject of another application filed by me June l, 1897, Serial No. 638,941 (patent #713,792), and while igniting devices embodying the essential features of the n present invention may obviously be used with any explosion-engine the invention will be described as applied to the particular engine aforesaid. In this engine the actuating device for the igniter is arranged to travel, as will be hereinafter described, in a curved path, and to adapt the igniter to the peculiar movement of the actuator the movable terminal thereof is herein shown as mounted on a rock-shaft extending through a wall of the explosion-chamber, the said rock-shaft having a lever-arm extending into or across the path of travel of the said actuator. The said lever-arm is provided with a shoulder which is near the rock-shaft, upon which the lever is mounted and which is substantially transverse to the path of the actuating device aforesaid. As the said actuating device passes the rock-shaft, therefore, it will engage the said shoulder substantially at a right angle thereto and rock the shaft upon which the lever and terminal are mounted until the edge of the shoulder, which travels on an arc, meets the path of the actuator, the rapidity of movement of the terminal depending upon the distance of the part of the shoulder which is first engaged from the axis on which the terminal moves. The said lever-arm is further provided With a supplemental engaging surface beyond the shoulder, along which the actuating device travels, the terminal being provided with restoring means, such as a spring, 'but being controlled in its movement in response thereto by the engagement of the supplemental engaging surface with the actuator, the said supplemental surface being so shaped with relation to the path of movement of the actuator that the terminal will come in contact with its mate before said surface is left by the actuator, thus insuring a comparatively slow and gradual movement.
Claims:
l. A circuit-breaker comprising a fixed terminal, a movable terminal provided with an engaging portion; means for yieldingly holding said movable terminal in contact with the fixed terminal; and a traveling actuator adapted to engage said engaging portion and by its first engagement to quickly separate the terminals, the path of said actuator being such that the actuator remains in engagement and controls the return movement of said movable terminal so as to permit the gradual restoration thereof, the terminal being substantially wholly restored before the actuator is out of engagement.
2. A circuit-breaker comprising a fixed terminal, a movable terminal consisting of a finger projecting radially from a rock-shaft, means for yieldingly holding said movable terminal in contact with the fixed terminal, an arm or projection connected with said rock-shaft, and a traveling actuator arranged to initially engage said arm at a point near said rock-shaft and to travel along in engagement with said arm, the path of movement of said actuator being such as to permit the gradual restoration of said arm to its normal position, as set forth.
3. The herein-described circuit-breaker or igniting device which comprises a fixed terminal, a movable terminal, an actuator for said movable terminal, an engaging portion of said movable terminal projecting across the path of said actuator, and a supplemental engaging portion, the surface of said engaging portion and the path of said actuating device approaching each other in the direction of movement of the latter, substantially as described.
4. The herein described circuit breaker which comprises a stationary electric terminal, a movable terminal normally in contact therewith, an actuator for said movable terminal, an engaging portion of said movable terminal in the path of said actuator, and a supplemental engaging portion adjacent to the main engaging portion and adapted to be engaged by said actuator in the return movement of the movable terminal until said movable terminal is substantially restored to contact with said stationary terminal, substantially as described.
5. An igniting device for gas-engines comprising a stationary electric terminal within the cylinder or explosion-chamber of the engine, a movable terminal normally in contact therewith, an actuator for said movable terminal, and engaging portion of said movable terminal in the path of the said actuator, an engaged by said actuator in the return movement of the movable terminal until said movable terminal is substantially restored to contact with said stationary terminal, operating means for producing a continuous movement of said actuator, and a device for shifting the position of said actuator with relation to such operating means, substantially as described.
6. In an igniting device for gas-engines, the combination with a stationary terminal within the cylinder or explosion-chamber of the engine, of a movable terminal normally in contact therewith but adapted to be moved therefrom to break the circuit and cause a spark, a rock-shaft or pivotal support for said movable terminal, an arm secured to said rock-shaft, an engaging device for said arm adapted to be moved along a curved path, a shoulder on said arm extending into said path, and an extension of said arm beyond said shoulder curved to substantially conform to the path in which the engaging projection travels, substantially as and for the purpose described.
7. In an igniting device for a gas-engine, the combination with a stationary terminal within the cylinder of the engine, of a movable terminal comprising a pivotally-supported arm adapted to be swung on its pivot to and from said stationary terminal, an operating arm connected to and pivoted coaxially with said terminal arm, a lever provided at one end with an eccentric-strap adapted to cooperate with an eccentric on the main shaft of the engine, a projection at the other end of said lever adapted during the movement thereof to engage said operating-arm for the igniting device, a guide pivotally connected to said lever and adapted to move in a rectilinear direction whereby the end of said lever which carries the engaging portion is caused to move in a curved path, a shoulder on the arm which operates the igniting device near the pivotal axis thereof and in the path of the said projection, and a curved portion of said arm beyond said shoulder, substantially as and for the purpose described.
8. In an igniting device for gas-engines, the combination with a circuit-breaker having a fixed terminal within the cylinder of the engine, of a movable terminal mounted on a rock-shaft in a Wall of said cylinder, an arm secured to said rock-shaft outside of the said cylinder, a lever provided at one end with an eccentric adapted to cooperate with an eccentric on the main shaft of the engine, an engaging device at the opposite end of said lever adapted to engage said arm, a guide or cross-head for said lever whereby the said engaging projection is adapted to travel on a curved path, a shoulder on said arm extending into the path of travel of said projection and adapted to be engaged thereby to rock the said rock-shaft to separate the electric terminals, a curved engaging portion on said arm beyond the said shoulder in the path of travel of said projection to permit the gradual return movement thereof, a restoring spring for said arm, and means for shifting the position of the engaging projection with relation to said lever, substantially as the purpose described.
|
|
713,792
|
Nov. 18, 1902
|
Explosive Engine
|
John A. Ostenberg |
Westminster Station, Windham County, VT |
Abstract:
The present invention relates to a gas-engine and is embodied in what is known as a two cycle engine or one in which the air which forms part of the explosive mixture is compressed at each stroke and admitted to the cylinder at the end of the stroke, the products of combustion or exhaust being simultaneously driven out and the new explosive mixture taking their place.
The invention is mainly embodied in an improved construction and arrangement of the inlet and exhaust ports, the object being to provide means whereby the incoming charge of compressed air and gas may be suddenly and forcibly injected through the products of combustion toward the closed end of the cylinder or explosion-chamber, which is so shaped as to gather and confine the injected charge after it has penetrated the products of combustion. To this end the charge is admitted through a duct formed in the piston itself and terminating in a nozzle or tube in line with the axis of the cylinder and pointed toward the closed end thereof, the capacity of said tube being no greater than that of any part of the inlet-passage through which the charge is admitted to the cylinder. The said inlet-passage is shown as having an inlet-opening through the side wall of the cylinder, into alignment with which the piston duct will come at the end of the effective stroke of the piston, the charge being admitted to the inlet-passage and compressed therein during such outward stroke, so that when the piston-duct is momentarily opened the charge is suddenly and forcibly injected through the injector-nozzle, as it may be termed, and is accumulated and concentrated in the explosion-chamber prior to ignition. The exhaust-port is also arranged in the side wall of the cylinder and is adapted to be opened and closed by the piston itself, the said exhaust-port being preferably opened somewhat in advance of the opening of the inlet, so that the products of combustion of the old charge have already begun to escape when the new charge is injected, as described. The invention is further embodied in novel means for operating the igniting device, (which device may be of any suitable or usual kind,) the said operating means being such that they can also be utilized for operating the pump to supply a liquid explosive, it such is to be employed, or a pump for circulating cooling fluid around the cylinder, or both, the pump for the explosive being also so arranged that it can be disconnected from the operating means and manually operated to charge a reservoir prior to the starting of the engine or so that it can be permanently disconnected if the pump is not to be used. The present invention relates to a gas-engine and is embodied in what is known as a two cycle engine or one in which the air which forms part of the explosive mixture is compressed at each stroke and admitted to the cylinder at the end of the stroke, the products of combustion or exhaust being simultaneously driven out and the new explosive mixture taking their place.
The invention is mainly embodied in an improved construction and arrangement of the inlet and exhaust ports, the object being to provide means whereby the incoming charge of compressed air and gas may be suddenly and forcibly injected through the products of combustion toward the closed end of the cylinder or explosion-chamber, which is so shaped as to gather and confine the injected charge after it has penetrated the products of combustion. To this end the charge is admitted through a duct formed in the piston itself and terminating in a nozzle or tube in line with the axis of the cylinder and pointed toward the closed end thereof, the capacity of said tube being no greater than that of any part of the inlet-passage through which the charge is admitted to the cylinder. The said inlet-passage is shown as having an inlet-opening through the side wall of the cylinder, into alignment with which the piston duct will come at the end of the effective stroke of the piston, the charge being admitted to the inlet-passage and compressed therein during such outward stroke, so that when the piston-duct is momentarily opened the charge is suddenly and forcibly injected through the injector-nozzle, as it may be termed, and is accumulated and concentrated in the explosion-chamber prior to ignition. The exhaust-port is also arranged in the side wall of the cylinder and is adapted to be opened and closed by the piston itself, the said exhaust-port being preferably opened somewhat in advance of the opening of the inlet, so that the products of combustion of the old charge have already begun to escape when the new charge is injected, as described. The invention is further embodied in novel means for operating the igniting device, (which device may be of any suitable or usual kind,) the said operating means being such that they can also be utilized for operating the pump to supply a liquid explosive, it such is to be employed, or a pump for circulating cooling fluid around the cylinder, or both, the pump for the explosive being also so arranged that it can be disconnected from the operating means and manually operated to charge a reservoir prior to the starting of the engine or so that it can be permanently disconnected if the pump is not to be used.
Claims:
1. In a gas-engine, the combination with the cylinder; of an explosion-chamber smaller in diameter than the cylinder; an igniting device for exploding a charge admitted to said explosion-chamber; an inlet-port for the charge and an exhaust-port for the products of combustion; means for opening both of said ports when the piston has reached substantially the end of its outstroke, and for closing the same during the in-stroke of the piston; a source of compressed explosive adapted to be admitted through said inlet upon the opening of the same; and a passage through the piston terminating in an injector-nozzle in line with the axis of the cylinder and pointing toward the closed end thereof, whereby the charge admitted is injected in a jet through the spent charge toward the closed end of the cylinder and concentrated in the said explosion-chamber, substantially as described.
2. In a gas-engine, the combination with a cylinder having at its closed end an explosion chamber smaller in diameter than the cylinder; of an inlet-port for the charge and an exhaust-port for the products of combustion arranged to be substantially simultaneously opened when the piston reaches substantially the end of its outstroke, and to be closed in response to the inward movement of said piston; means for compressing, during the outstroke of the piston, the charge which is to be admitted through the inlet-duct when the same is opened; and an injector-nozzle formed in the piston and in line with the axis of the cylinder through which nozzle the charge is adapted to be injected in a jet directed through the products of combustion and concentrated in the explosion-chamber, substantially as described.
3. The combination with the cylinder having the charge-inlet and exhaust-outlet of the piston at having the duct adapted to come in line with the inlet when the exhaust-outlet b is open; the injector-nozzle at the end of said duct a in line with the axis of the cylinder and directed toward the closed end thereof, whereby the charge is injected through the products of combustion toward the closed end of the cylinder; and the explosion-chamber smaller in diameter than the cylinder in said closed end, substantially as described.
4. In a gas-engine, the combination with the cylinder and piston; of a source of compressed air; a duct leading from said source toward the interior of the cylinder, said duct being adapted to be closed except when the piston is substantially at the end of its effective stroke; an inlet to said duct for admitting an explosive thereto; a choked passage in said duct adjacent to said inlet and between the same and the source of compressed air; and a passage through the piston adapted to communicate with said duct when said piston is substantially at the end of its effective stroke, said piston-passage terminating in an injector-nozzle in line with the axis of the cylinder and directed toward the closed end thereof, an explosion-chamber smaller in diameter than the cylinder at the said closed end and an exhaust-outlet adapted to be opened during the admission of the charge substantially as described.
5. In an explosion-engine, the combination with a mechanically-operated igniting device, of means for operating the same consisting of an arm, a guide for the said arm having a rectilinear movement, the said arm being pivotally connected to said guide, means for connecting one end of said arm to the engine-shaft to produce an oscillating movement of said arm, and a pump for supplying the engine with an explosive, the plunger of said pump being connected with said guide, substantially as described.
6. In an explosion-engine, the combination with a mechanically-operated igniting device, of means for operating the same consisting of an arm, a guide for the said arm having a rectilinear movement, the said arm being pivotally connected to said guide, means for connecting one end of said arm to the engine-shaft to produce an oscillating movement of said arm, a pump for supplying the engine with an explosive, the plunger of said pump being connected with said guide, and means for disconnecting said pump-plunger from said guide, substantially as described.
7. In an explosion-engine, the combination with a mechanically-operated igniting device, of means for operating the same consisting of an arm, a guide for the said arm having a rectilinear movement, the said arm being pivotally connected to said guide, means for connecting one end of said arm to the engine-shaft to produce an oscillating movement of said arm, and a pump for circulating cooling fluid around the cylinder having its plunger connected with said guide, substantially as described.
8. In an explosion-engine, the combination with a pump for supplying an explosive to the cylinder and a mechanically-operated igniting device for the said explosive, of a common actuating device for said pump and igniting device comprising an arm pivotally connected at a point intermediate between its ends with the pump-plunger, the said arm being adapted at a point near one end thereof to engage and operate the igniting device, and means for producing an oscillating movement of said arm at the other end thereof, substantially as and for the purpose described.
9. In an explosion-engine, the combination with a gasolene-pump provided with a reciprocating plunger, of a water-pump for circulating water through a water-jacket, the said water-pump also having a reciprocating plunger, the cross-head connecting said plungers, an arm pivotally connected with said cross-head and provided at one end with an eccentric-strap adapted to cooperate with an eccentric operated by the engine-shaft, an igniting device for the engine, and an actuator for said igniting device at the other end of said arm, substantially as described.
|
|
713,793
|
Nov. 18, 1902
|
Explosive Charge
|
John A. Ostenberg |
San José, Santa Clara County, CA |
Abstract:
This being a division of application Serial No. 723,775, filed July 14, 1899.
The present invention relates to an explosion-engine; and the engine embodying the invention is mainly intended to be used with gasolene or other liquid explosives, although certain features of the invention may be equally well utilized in engines in which gas is to be used as the explosive element.
The main object of the invention is-to obtain practical means for water-jacketing a portable explosion-engine of the kind used, for example, in outdoor work, such as sawing wood and the like, where the base of operation is frequently changed. One of the chief obstacles in the way of using an explosion engine in such work has been the difficulty encountered in cooling, the cylinder and explosion chamber, and the present invention is mainly embodied in means for using a small supply of cold water over and over, the heat taken up by the water being distributed over a large radiating-surface and rapidly dissipated. For this purpose the engine embodying the invention is provided with one or more tanks having a large surface area, but relatively small capacity, the said tanks communicating by a duct or ducts with a water-jacket for the cylinder and being arranged above the cylinder, so that when they are filled with water the cylinder is practically submerged or wholly surrounded by water, the greater portion of the water, however, standing above the cylinder, where it is exposed to the air therefore, the water which takes up heat from the cylinder rises from the jacket into the tanks and cooler water goes down to take its place, thus producing a circulation, the warm water which rises in the tanks being rapidly cooled, owing to the large radiating-surface.
Claims:
1. In an explosion engine, the combination with the cylinder; of a jacket therefor; a tank of large area and relatively small capacity, the bottom of which is above the top of the cylinder; and communicating passages between said tank and said jacket arranged to set up a natural circulation, substantially as described.
2. An explosion-engine having a cylinder provided with a jacket; an opening in the upper part of said jacket; a bonnet for said opening provided with a tubular cross member; a sheet-metal tank having one wall supported against the end of said tubular cross member; a supporting member within said tank extending from one wall to the other thereof; and fastening devices extending through bot" walls of said tank and said supporting member into said tubular cross member, substantially as described.
3. In an explosion-engine, the combination with the cylinder; of a jacket surrounding said cylinder and provided with a tubular cross member above the cylinder; tanks supported by said cross member and communicating with said jacket; and a pipe leading downward from said tanks and communicating with the lower portion of said jacket, substantially described.
4:. In an explosion-engine, the combination with the water-jacket; of a sheet-metal tank; a tubular supporting member for said tan-k communicating with said water-jacket; internal supports extending from one wall of the tank to the other; and fastening devices extending through said internal supports into said tubular supporting member, substantially as described.
5. In an explosion-engine, the combination with a water-jacket for the cylinder; of one or more tanks mounted over the cylinder and projecting beyond said cylinder; the bottoms of the tanks being above the top of the cylinder, a pipe or duct leading directly from the bottom of the tank into the top of the water-jacket; and another pipe .or duct leading from the tank near the opposite end thereof back to the bottom of the water-jacket, whereby the heated water rises into the tank and flows through the same, becoming cooled before it again enters the jacket, substantially described.
|
|
718,511
|
Jan. 13, 1903
|
Explosion Engine
|
John A. Ostenberg |
Westminster Station, Windham County, VT |
Abstract:
The present invention relates to an explosion-engine, and the engine embodying the invention is mainly intended to be used with gasolene or other liquid explosives, although certain features of the invention may be equally well utilized in engines in which gas is to be used as the explosive element.
The invention relates to governing mechanism of novel construction and arrangement whereby the exhaust-valve, which is opened at the end of each effective stroke, is maintained open when the engine is up to speed, the same operation of the governor preventing the opening of the gas-inlet valve and the operation of the pump, so that no energy is wasted, while, moreover, since the exhaust valve remains open air is directly admitted to the cylinder, tending to cool the same during the time that there are no explosions. To these ends the exhaust-valve is so arranged as to be positively opened at the necessary intervals and to be closed by a yielding force, as that of a spring, while the governor, which is of the centrifugal type, is arranged to cooperate With a pawl adapted to engage and hold open the exhaust-valve when the speed has risen sufficiently to need checking. The said pawl normally stands in the path of an operating-lever which is arranged to open the exhaust; but as the said lever tends to move 0 back after the exhaust is open the said pawl is momentarily moved or tripped by the governing device, so as not to catch the said arm and hold the exhaust valve open. The centrifugal action of the governor is, however, such as to cause it to fail to operate upon said pawl at a certain speed, and the pawl, therefore, under such conditions catches the exhaust-operating lever and remains in engagement therewith until the speed has come down sufficiently to permit the pawl to be tripped by the governor.
The gas-inlet valve and pump instead of being acted upon directly by the governor itself may be controlled through the operation of the exhaust-valve or its lever, the inlet valve being herein shown as controlled by a lever, which is arranged to be actuated by a suitable cam. The said lever is provided with a cam-roll which is movable with relation thereto into and out of the path of the cam by which the said lever is operated, and the movement of said roll is controlled by the operation of the exhaust valve lever. This may be accomplished by providing the shaft which carries the cam for the inlet valve lever with a secondary cam or engaging surface in advance of the operating-cam, the said secondary cam at each rotation moving the cam-roll out of the path of the main cam. The said cam-roll, however, is arranged to be operated upon also by the exhaust-valve lever to restore it to its normal position, this operation taking place in the closing movement of the exhaust valve, and consequently not taking place at all when the exhaust valve remains open, as above described.
The pump-plunger is arranged to be positively moved in both directions, the down stroke being produced by a cam, which operates directly on the pump-plunger, and the upstroke being produced by the movement of the gas-inlet-valve lever, which opens the said valve, such movement not occurring when the engine is up to speed.
The igniting device comprises an electrical circuit-breaker having a rotary contact within the explosive-chamber, the said contact piece being provided with a ratchet-wheel at the outside of the chamber, which is operated by a pawl connected with a reciprocating member, which cooperates with the lever which controls the gas-inlet valve. The said circuit-breaker is provided with novel means whereby it can be adjusted to compensate for wear or to determine the time of ignition, the fixed terminal of the circuit-breaker consisting of a wire held in a suitable clamp and longitudinally adjustable toward and from the rotary member. The said wire extends through a channel one surface of which is inclined, so that said wire is slightly bent from a straight line, and thereby placed under spring tension. The wire being of uniform diameter, it is obvious that when the same is turned with its socket, which is adjustable by being screw-threaded, the tension will be maintained throughout.
Claims:
1. The combination with the cylinder; of an inlet-valve and an exhaust-valve; levers for actuating said valves respectively; a cam for actuating the inlet-valve lever; a movable cam-roll connected with said lever; means for moving said cam-roll out of the path of the cam; and a projection from the exhaust-valve lever for moving said cam-roll into the path of the cam, substantially as described.
2. The combination with the cylinder; of an inlet-valve and an exhaust-valve; levers for actuating said valves respectively; a cam for actuating the inlet-valve lever; a movable cam-roll connected with said lever; means for moving said cam-roll out of the path of the cam; a projection from the exhaust valve lever for moving said cam-roll into the path of the cam; and a governor to control the operation of the exhaust-valve lever, substantially as described.
3. The combination with the cylinder of an explosion-engine; of an inlet-valve which controls the supply of the explosive to the cylinder; a pump for said explosive; an exhaust valve; an actuator for said exhaust valve; a governor to control said actuator; a common operating device for the said inlet valve and said pump; a movable cam-roll connected with said operating device; a cam cooperating with said cam-roll; and means connected with the exhaust-valve actuator for moving said cam-roll, substantially as described.
4. In an explosion-engine, the combination with a pump for supplying a liquid explosive, an inlet-valve to control the admission of said explosive to the cylinder, and an igniting device in said cylinder; of common means for operating said inlet-valve pump, and igniting device, an exhaust-valve; an actuator for said exhaust-valve, a governor to control the operation of said exhaust-valve, and means connected with the exhaust-valve actuator for controlling the said means for operating the inlet-valve pump and igniting device, substantially as described.
5. In an explosion-engine, the combination with an inlet-valve; of a lever adapted to operate said inlet-valve; a cam-roll secured to said lever but movable with relation thereto; a cam adapted to cooperate with said can1- roll; means operating at each revolution of said cam for moving said cam-roll out of the path of said cam to prevent the cooperation of said parts; a device normally operating at each revolution of said cam for restoring said cam-roll to its normal position before it is reached by the cam, and a governor for controlling said device, substantially as described.
6. In an explosion-engine, the combination with a cylinder; of inlet and exhaust valves arranged in opposite sides thereof and adapted to open inward; a single spring adapted to maintain both of the said valves closed; actuating-levers for said valves respectively, the said actuating-levers having a common axis; cams for operating said levers, and means connected with the exhaust-valve lever for controlling the operation of the inlet valve lever substantially as described.
7. The combination with the valves b2 and c2 of the levers b5 and c5 a bearing-support for said levers; a split hub formed on one of said levers bearing upon said bearing-support; and a forked bearing for the other 1ever also bearing upon said support, substantially as described.
8. The combination with the oppositely-disposed valves b2 and c2 of the spring c30 secured upon the stud c31 and adapted to maintain both of said valves seated; actuating-levers for opening said valves respectively, said levers being independent of each other but having a common axis; a shaft; and cams mounted on said shaft for operating said levers, substantially as described.
9. In an explosion-engine, the combination with the cylinder and piston; of a gas-inlet chamber communicating through a suitable inlet-valve with said inlet-chamber; a pump for supplying an explosive to said inlet-chamber; a cam for causing the effective stroke of said pump, in response to the revolution of the main shaft; a device for opening said inlet-valve, and means connected with said device for causing the return stroke of said pump, substantially as described.
10. In an explosion-engine, the combination with a cylinder and piston; of a gas-inlet chamber communicating through a suitable inlet-valve with said inlet-chamber; a pump for supplying an explosive to said inlet-chamber; a cam for causing the effective stroke of said pump, in response to the revolution of the main shaft; a device for opening said inlet-valve, said device also being provided with means for causing the return stroke of said pump; and a governor cooperating with the device for opening said inlet-valve, substantially as described.
11. In an explosion-engine, the combination with a self-closing exhaust-valve; of means for opening said valve; a pawl or detent adapted to prevent the closure of said valve; a governing device comprising a weight or weights mounted in a bearing transverse to a shaft adapted to be rotated in the operation of the engine; a tripping projection carried by said weight to cooperate with said pawl or detent to trip the same and permit the exhaust-valve to close, said tripping projection being adapted to move in response to centrifugal force to a position in which it will not trip the said pawl; an igniting device and inlet-valve and means cooperating with the exhaust-valve for operating said igniting device and inlet-valve, substantially as described.
12. The combination with a self-closing exhaust-valve, of an actuating-lever therefor, a cam cooperating with said lever to open the said valve, a governing device provided with means for engaging said lever and holding the valve open when the engine has reached a predetermined speed, an inlet-valve controlling the admission of the charge to the cylinder, an actuating-lever for said inlet-valve, a cam to cooperate with said lever, a movable member connected with said lever to be engaged directly by said cam, a device in advance of said cam for moving said member out of the path of said cam and an arm connected with the exhaust-valve lever to restore said member to its normal position in the return movement of said exhaust-valve lever, substantially as described.
13. In a gas-engine, the combination with the inlet-valve b2 of the actuating-lever b5 the cam b8 and laterally-movable cam-roll to cooperate therewith, the wing b10 in advance of said cam; the exhaust-valve; means for governing the operation of said exhaust-valve; and a device cooperating with the exhaust valve for restoring the said cam-roll in response to the closure of said exhaust-valve, substantially as described.
|
|