A combustion management device for generating a thrust burst to impart a physical impulse. In operation, a combustion chamber, defined by a valve unit (33), is primed to a set pressure and fueled by fuel injectors (23). An ignitor (22) then initiates combustion. Under force of combustion, the valve
A combustion management device for generating a thrust burst to impart a physical impulse. In operation, a combustion chamber, defined by a valve unit (33), is primed to a set pressure and fueled by fuel injectors (23). An ignitor (22) then initiates combustion. Under force of combustion, the valve unit is moved, pulling an exhaust valve (18) from an exhaust port (16), releasing combustion products as thrust. Work may be derived from the travel of the valve unit, independent of the thrust generated. After combustion, a return mechanism returns the valve unit to the start position, ready to repeat the process. Simple design, and valve operations needing little more than pressure differentials to function, make for simplified construction, and more modular applications.
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1. A mechanical device for generating a thrust burst through combustion as a means to impart a physical impulse comprising: a. a valve unit contained within a housing with said valve unit comprised of a piston, an exhaust valve, and an exhaust valve support which connects said piston to said exhaust
1. A mechanical device for generating a thrust burst through combustion as a means to impart a physical impulse comprising: a. a valve unit contained within a housing with said valve unit comprised of a piston, an exhaust valve, and an exhaust valve support which connects said piston to said exhaust valve in a manner which rigidly keeps said piston and said exhaust valve no closer than a predetermined distance apart and appropriately limits separation of said piston and said exhaust valve,b. wherein said housing resides a combustion chamber, a piston guide, and an exhaust port which combine to make a continuous void within said housing with said exhaust port communicating to external environments through one end of said housing directly opposite said piston guide and with said piston guide and said exhaust port separated by said combustion chamber,c. where said piston resides in said piston guide such that said exhaust valve and said exhaust valve support of said valve unit project into said combustion chamber, and where said piston fits into said piston guide so as to form a substantially gas tight seal between said piston and said piston guide, and in a manner which allows said piston to travel with a continuously effective gas tight seal along said piston guide between a forward most position and a backward most position in a freely repeatable fashion, and where said forward most position and said backward most position are travel limits imposed by contact made by said valve unit,d. where said forward most position positions said valve unit such that said exhaust valve seats in said exhaust port in a manner that substantially forms a gas tight seal between said exhaust valve and said exhaust port thus appropriately sealing any gas content of said combustion chamber from said exhaust port and where said forward most position brings said piston and said exhaust valve to said predetermined distance apart,e. where said piston has a piston back which is fashioned to make appropriate contact with a stop when said valve unit is at said backward most position, and where said stop is connected to said housing and oriented such that any vector force applied to said stop by said piston back is transferred to said housing in kind,f. where travel of said valve unit from said forward most position to said backward most position pulls said exhaust valve from said exhaust port an appropriate distance into said combustion chamber to effectively allow evacuation of combusted product from said combustion chamber,g. where said piston has a piston face positioned towards said combustion chamber such that said piston face substantially defines one end of said combustion chamber when said valve unit is at said forward most position and where said piston face is of sufficient surface area and inclination as to be worked upon by forces from high pressure contained within said combustion chamber,h. an intake channel which operates as a substantially leak free conduit to transfer an appropriate combustion supporting compressed gas from a source outside said housing, through said housing, and into said combustion chamber,i. an inlet valve positioned in stream of said intake channel and substantially at a point where said intake channel meets said combustion chamber and such that said inlet valve operates on a pressure differential between said intake channel and said combustion chamber in a manner to substantially check gas flow out of said combustion chamber and into said intake channel when forces directed from said combustion chamber onto said inlet valve exceed forces on said inlet valve directed from said intake channel and allows gas flow into said combustion chamber from said intake channel when forces directed from said intake channel onto said inlet valve exceed forces on said inlet valve directed from said combustion chamber,j. a fuel delivery mechanism to assure said combustion chamber contains an appropriate amount of fuel mixed with said appropriate combustion supporting compressed gas in a combustible fashion prior to ignition,k. an ignitor which mounts in said housing in a manner that appropriately maintains seal integrity and positioned so as to protrude into said combustion chamber sufficiently as to provide an ignition source to a combustible mixture of said appropriate combustion supporting compressed gas and said appropriate amount of fuel contained within said combustion chamber and such that said ignitor communicates through said housing so as to receive an external signal to initiate said ignition source,l. a forward return mechanism which applies a recovery force to said piston back to hold said valve unit at said forward most position with sufficient force as to seat said exhaust valve into said exhaust port, sealing said exhaust port from said combustion chamber, and where said recovery force continuously holds said valve unit at said forward most position and continuously maintains any such resulting seal between said exhaust valve and said exhaust port as pressure in said combustion chamber rises to, and substantially equals, said predetermined pressure, and where said recovery force returns said valve unit to said forward most position when pressure in said combustion chamber becomes sufficiently low. 2. A mechanical device for generating a thrust burst through combustion as defined in claim 1 wherein said piston has sufficient surface to apply to said piston guide stabilizing orientation of said valve unit through repeated travel between said forward most position and said backward most position and further therein any force vector applied to said valve unit and as guided by said piston guide as a result of a high pressure event occurring in said combustion chamber is a direct linear opposite of any thrust vector directed by said exhaust port from same said high pressure event. 3. A mechanical device for generating a thrust burst through combustion as defined in claim 1 further including an adaptable connection between said exhaust valve and said exhaust valve support allowing better seal conformity when said exhaust valve seats in said exhaust port at said forward most position. 4. A mechanical device for generating a thrust burst through combustion as defined in claim 1 further including a number of said intake channels and such that for each said intake channel of said number of said intake channels, said inlet valve is disposed in stream of said intake channel. 5. A mechanical device for generating a thrust burst through combustion as defined in claim 1 further including a number of said ignitors. 6. A mechanical device for generating a thrust burst through combustion as defined in claim 1 wherein said fuel delivery mechanism is comprised of a fuel injector positioned to inject said appropriate amount of fuel for combustion in a manner that places said appropriate amount of fuel into said combustion chamber substantially in full and in a sufficiently mixed state for combustion with said appropriate combustion supporting compressed gas before said appropriate combustion supporting compressed gas fills said combustion chamber to said predetermined pressure needed for combustion, and where mounting of said fuel injector appropriately maintains necessary seal integrity. 7. A mechanical device for generating a thrust burst through combustion as defined in claim 6 wherein said fuel delivery mechanism is comprised of a number of said fuel injectors. 8. A mechanical device for generating a thrust burst through combustion as defined in claim 1 further including a mechanism to remove work from said valve unit as a combustive force causes said valve unit to travel from said forward most position to said backward most position and in a manner that makes such removed work available to external devices. 9. A mechanical device for generating a thrust burst through combustion as defined in claim 1 further including an auxiliary shaft positioned so as to interact with said piston back and such that said auxiliary shaft is oriented counter to said exhaust valve support and separated from said exhaust valve support by said piston. 10. A mechanical device for generating a thrust burst through combustion as defined in claim 9 wherein said auxiliary shaft is fully connected to said piston back and extends through an auxiliary shaft port embedded in said housing with a portion of said auxiliary shaft extending outside said housing by way of said auxiliary shaft port making said auxiliary shaft available to impart work on to an external device, and where said auxiliary shaft port sets opposite said exhaust port with said auxiliary shaft held sufficiently rigid in said auxiliary shaft port as to impart additional stability to said valve unit without unnecessarily impeding travel of said valve unit, and where also said auxiliary shaft acts as a retainer and guide for a spring where said spring is positioned between said piston back and an internal portion of said housing directly opposed to said exhaust port and where said spring acts as said forward return mechanism. 11. A combustion operated mechanical device designed to release a thrust burst to generate a physical impulse comprising: a. a housing containing a piston guide, a combustion chamber, and an exhaust port which combine to form a continuous void within said housing, with said combustion chamber positioned between said piston guide and said exhaust port, and with said piston guide directly opposite of said exhaust port and where said exhaust port extends through one end of said housing communicating with environments external to said housing,b. a valve unit comprised of a piston, an exhaust valve, and an exhaust valve support which connects said exhaust valve to said piston in a manner which rigidly keeps said piston and said exhaust valve no closer than a predetermined distance apart and limits separation of said piston and said exhaust valve an appropriate amount,c. where said piston resides in said piston guide with such a fit as to form a substantially gas tight seal between said piston and said piston guide and such that said fit allows said piston to maintain a continuously effective gas tight seal while traveling along said piston guide in a freely repeatable fashion, and where such containment of said piston in said piston guide orients said valve unit so as to project said exhaust valve support and said exhaust valve into said combustion chamber,d. where travel along said piston guide by said piston is limited to a forward most position and a backward most position and where said forward most position seats said exhaust valve in said exhaust port in a manner that forms an appropriate gas tight seal between said exhaust valve and said exhaust port and with said piston and said exhaust valve at said predetermined distance apart when at said forward most position,e. where said combustion chamber is defined by said continuous void between said piston guide and said exhaust port and by said valve unit when said valve unit is at said forward most position,f. an intake channel to transfer an appropriate combustion supporting compressed gas from an external compressed gas source, through said housing, and into said combustion chamber, in a substantially leak free fashion, and where such a transfer is regulated by an inlet valve placed in line of said intake channel and substantially at a point where said intake channel and said combustion chamber meet and such that said inlet valve, operating on a pressure differential between said intake channel and said combustion chamber, substantially checks gas flow out of said combustion chamber and into said intake channel when gas pressure inside said combustion chamber appropriately exceeds gas pressure in said intake channel and allows gas flow into said combustion chamber from said intake channel when gas pressure in said intake channel appropriately exceeds gas pressure in said combustion chamber,g. a fuel delivery mechanism to introduce an appropriate amount of fuel mixed in a combustible fashion into said combustion chamber prior to ignition,h. an ignitor which mounts in said housing in a manner that appropriately maintains seal integrity and positioned so as to protrude into said combustion chamber sufficiently as to provide an ignition event to a combustible mixture of said appropriate combustion supporting compressed gas and said appropriate amount of fuel contained within said combustion chamber and such that said ignitor communicates through said housing so as to receive an external signal to initiate said ignition event,i. where said piston has a piston face exposed to said combustion chamber and where said piston face is of sufficient surface area and inclination as to provide a workable surface to forces from pressure in said combustion chamber, where said workable surface provides a means for sufficient force from pressure in said combustion chamber to drive said valve unit through said piston guide towards said backward most position thus providing a means for pulling said exhaust valve from said exhaust port,j. where said backward most position is a travel limit for said valve unit imposed by a stop, and also where said piston has a piston back, positioned opposite of said piston face, with said piston back designed to contact said stop as a means for transferring any force vector imparted onto said valve unit by pressure in said combustion chamber to said stop in kind, and where said stop is connected to said housing as means for transferring any force vector imparted onto said stop to said housing in kind,k. with operational starting conditions having said valve unit substantially at said forward most position and pressure in said combustion chamber sufficiently lower than pressure from said external compressed gas source making for said pressure differential between said intake channel and said combustion chamber and causing said appropriate combustion supporting compressed gas to flow from said external compressed gas source through said intake channel and into said combustion chamber and pressurizing said combustion chamber to a predetermined pressure needed for combustion,l. where said fuel delivery mechanism is fashioned to deliver said appropriate amount of fuel, substantially in full and substantially mixed with said appropriate combustion supporting compressed gas, in a manner that allows said combustion chamber to reach said predetermined pressure needed for combustion with an effectively contained combustible mix within said combustion chamber prior to said ignition event,m. where said ignition event occurs when said ignitor receives said external signal and conditions, such as said combustion chamber reaching said predetermined pressure needed for combustion and said effectively contained combustible mix within said combustion chamber, are sufficiently met, so that when said ignitor initiates combustion within said combustion chamber burn propagates in an effort to combust said effectively contained combustible mix creating a high pressure event within said combustion chamber,n. where said high pressure event within said combustion chamber places force on said workable surface of said piston face greater than forces restraining travel of said valve unit driving said valve unit through said piston guide to said stop, and such that when said high pressure event drives said valve unit from said forward most position to said backward most position said valve unit pulls said exhaust valve sufficiently far enough into said combustion chamber to allow any resulting combustion products to escape through said exhaust port substantially unimpeded as thrust, additionally said high pressure event places force on said inlet valve causing said inlet valve to seat effectively and as such, substantially prevents combustion products from entering said intake channel,o. a forward return mechanism which applies a recovery force to said piston back to hold said valve unit at said forward most position with sufficient force as to seat said exhaust valve into said exhaust port, sealing said exhaust port from said combustion chamber, and where said recovery force continuously holds said valve unit at said forward most position and continuously maintains any such resulting seal between said exhaust valve and said exhaust port as pressure in said combustion chamber rises to, and substantially equals, said predetermined pressure, and where said recovery force returns said valve unit to said forward most position when pressure in said combustion chamber becomes sufficiently low. 12. A combustion operated mechanical device as defined in claim 11 wherein said piston has sufficient surface to apply to said piston guide as to provide a means for stabilizing orientation of said valve unit through repeated travel between said forward most position and said backward most position and further therein any force vector applied to said valve unit and as guided by said piston guide as a result of said high pressure event is a direct linear opposite of any thrust vector directed by said exhaust port caused by same said high pressure event. 13. A combustion operated mechanical device as defined in claim 11 further including an adaptable connection between said exhaust valve and said exhaust valve support as a means for better seal conformity when said exhaust valve seats in said exhaust port at said forward most position. 14. A combustion operated mechanical device as defined in claim 11 further including a number of said intake channels and such that said inlet valve is in line with each said intake channel of said number of said intake channels. 15. A combustion operated mechanical device as defined in claim 11 further including a number of said ignitors. 16. A combustion operated mechanical device as defined in claim 11 wherein said fuel delivery mechanism is comprised of a fuel injector positioned advantageously as a means for injecting said appropriate amount of fuel for combustion in a manner that places said appropriate amount of fuel into said combustion chamber substantially in full and in a sufficiently mixed state for combustion with said appropriate combustion supporting compressed gas before said appropriate combustion supporting compressed gas fills said combustion chamber to said predetermined pressure needed for combustion, and where mounting of said fuel injector appropriately maintains necessary seal integrity. 17. A combustion operated mechanical device as defined in claim 16 wherein said fuel delivery mechanism is comprised of a number of said fuel injectors. 18. A combustion operated mechanical device as defined in claim 11 further including a mechanism to remove work from said valve unit as said valve unit travels from said forward most position to said backward most position under force of combustion and that makes such removed work available to external devices. 19. A combustion operated mechanical device as defined in claim 11 further including an auxiliary shaft positioned counter to said exhaust valve support and separated from said exhaust valve support by said piston and which interacts with said piston back such that when said valve unit moves from said forward most position to said backward most position said auxiliary shaft is moved. 20. A combustion operated mechanical device as defined in claim 19 whereby such a configuration of said auxiliary shaft provides a means for work to be transferred from said valve unit by way of said auxiliary shaft, also whereby such a configuration of said auxiliary shaft provides a means for force to be transferred to said valve unit by way of said auxiliary shaft, and also whereby such a configuration of said auxiliary shaft provides a means for support of a mechanism regulating function of said valve unit.
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이 특허에 인용된 특허 (13)
Campbell Richard G. (Thousand Oaks CA), Double piston rocket engine assembly.
Wendt Hans J. (Harburger Str. 63F D 2150 Buxtehude DEX), Internal combustion engine using several kinds of fuels, with electronically adjustable intake and exhaust valves and in.
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