IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0570017
(2004-08-30)
|
등록번호 |
US-7621116
(2009-12-02)
|
우선권정보 |
IL-157666(2003-08-31) |
국제출원번호 |
PCT/IL04/000785
(2004-08-30)
|
§371/§102 date |
20061011
(20061011)
|
국제공개번호 |
WO05/021949
(2005-03-10)
|
발명자
/ 주소 |
|
출원인 / 주소 |
- Newton Propulsion Technologies, Ltd.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
5 인용 특허 :
10 |
초록
▼
An engine system comprises a first transfer positive displacement, volumetric device, at least one second positive displacement, volumetric device, and a transmission in engagement with two adjacent volumetric devices. The transmission has a ratio designed to cause the at least one second volumetric
An engine system comprises a first transfer positive displacement, volumetric device, at least one second positive displacement, volumetric device, and a transmission in engagement with two adjacent volumetric devices. The transmission has a ratio designed to cause the at least one second volumetric device to rotate at a higher angular velocity than the first volumetric device, inducing expansion of a compressible fluid during continuous flow from the first volumetric device to the at least one second volumetric device while performing work.
대표청구항
▼
The invention claimed is: 1. Engine system, comprising: a) a first positive displacement, transfer volumetric device fed from a compressor or from a turbocompressor; b) at least one second positive displacement, volumetric device; and c) transmission means in engagement with two adjacent volumetric
The invention claimed is: 1. Engine system, comprising: a) a first positive displacement, transfer volumetric device fed from a compressor or from a turbocompressor; b) at least one second positive displacement, volumetric device; and c) transmission means in engagement with two adjacent volumetric devices, said transmission means having a ratio designed to cause said at least one second volumetric device to rotate at a higher angular velocity than said first volumetric device to induce expansion of a compressible fluid during continuous flow from said first volumetric device to said at least one second volumetric device and to perform work. 2. Engine system according to claim 1, further comprising: a) one or more separate flow paths for a compressible fluid, each flow path beginning with a separate intake conduit leading to the first volumetric device and ending with a separate discharge conduit coming from the outlet of the at least one second volumetric device, each separate flow path being provided with a heat source disposed between the first volumetric device and a second volumetric device such that said second volumetric device receives heated controlled volumes of said fluid from the corresponding heat source via the corresponding separate flow path; b) means for feeding the compressible fluid to the first volumetric device via a corresponding separate flow path; c) means for driving the first volumetric device for sequentially transferring controlled volumes of said fluid to the corresponding heat source by positive displacement cycles; d) means for driving the at least one second volumetric device for sequentially discharging said heated controlled volumes of said fluid by positive displacement cycles; and e) means for synchronizing said means for driving said first and at least one second volumetric devices. 3. Engine system according to claim 2, further comprising an additional work producing device selected from the group of a turbine driven by the fluid discharged from a second volumetric device or from a third volumetric device, a compressor for feeding a compressible fluid to the first volumetric device, a turbine keyed to the main shaft, at least one turbocompressor, a secondary heater, at least one stage of intercoolers, a second compressor and a first stage intercooler for cooling the discharge flowing from a first compressor to a second compressor, and a turbocompressor and a second stage intercooler for cooling the discharge flowing from said second compressor to said turbocompressor. 4. Engine system according to claim 2, wherein the means for synchronizing the means for driving the first and at least one second volumetric devices comprise a common shaft to which the first and at least one second volumetric devices are keyed or independent shafts supporting said first and at least one second volumetric devices for rotation. 5. Engine system according to claim 2, wherein each heat source is a combustor fed with a fuel, which receives controlled volumes of fluid and causes said fuel to burn, thereby heating and expanding said fluid. 6. Engine system according to claim 3, wherein the compressor is keyed to the main shaft. 7. Engine system according to claim 1, wherein the first and second volumetric devices are selected from the group consisting of rotors provided with lobes, Wankel mechanism, reciprocating piston systems, or any common or specially designed volumetric mechanism. 8. Engine system according to claim 1, comprising two independent shafts to one of which are keyed pressure generating volumetric devices, a load being coupled to the other shaft to which is keyed at least one output work generating expansion volumetric device, and optionally further comprising a clutch for engaging and disengaging two independent shafts, depending on a magnitude of the load. 9. Propulsion system, comprising an engine system according to claim 1 and further comprising a third volumetric device rotating about an independent shaft, wherein the discharge from a second volumetric device is the working fluid of said third volumetric device, said third volumetric device being adapted to be a torque converter in response to a variable load coupled to said independent shaft, said propulsion system further comprising a rotational direction controller of said independent shaft by a valve means which directs said discharge from a second volumetric device alternatively to an inlet port and an outlet port of said third volumetric device. 10. Propulsion system according to claim 9, wherein the torque converter comprises: a) a plurality of coaxial third volumetric devices rotatable about the independent shaft; b) a plurality of conduits through which the discharge from a second volumetric device flows in parallel to each of said plurality of third volumetric devices, respectively; c) a plurality of first selector valves provided with each of said plurality of third volumetric devices, respectively, for changing the rotational direction of the independent shaft by directing the flow through a corresponding conduit alternatively between an inlet port and outlet port of the corresponding third volumetric device upon actuation of each of said first selector valves in unison; and d) a plurality of second selector valves in communication with each of said conduits, respectively, for selecting through which combination of said plurality of third volumetric devices discharge from a second volumetric device will flow, wherein said propulsion system produces a maximum amount of torque when the discharge from a second volumetric device is directed to all of said plurality of third volumetric devices in parallel, a lowered level of torque upon deactivation of at least one of said third volumetric devices, and an increased level of torque upon activation of at least an additional one of said third volumetric devices. 11. Propulsion system according to claim 9, further comprising a bypass valve to serve as an engagement and disengagement device between an engine assembly and a torque converter assembly, for repressing the torque converter while the engine is in operation. 12. Propulsion system according to claim 10, further comprising a secondary combustor for heating the discharge from a second volumetric device, wherein the discharge from said secondary combustor is the working fluid of said plurality of third volumetric devices. 13. Propulsion system according to claim 12, wherein the discharge from the secondary combustor flows in parallel to each of the plurality of third volumetric devices, respectively, the plurality of second selector valves selects through which combination of the plurality of third volumetric devices discharge from the secondary combustor will flow, and a maximum amount of torque is produced when the discharge from the secondary combustor is directed to all of the plurality of third volumetric devices in parallel. 14. Turbofan engine system, comprising an engine system according to claim 3, wherein the compressor is a turbocompressor driven by discharge from an expansion volumetric device and a fan driven by said engine system, said fan generating a crossfan streamline and a main thrust for an aircraft, exhaust from said turbocompressor being discharged to the atmosphere and providing auxiliary thrust in addition to said main thrust. 15. Turbojet engine system, comprising an engine system according to claim 3, further comprising a main combustor for generating a gas stream and providing a main thrust for an aircraft, exhaust from said engine system being discharged to the atmosphere and providing auxiliary thrust in addition to said main thrust. 16. Engine system according to claim 1, wherein the volumetric devices are of the same volume. 17. Engine system according to claim 1, wherein the volumetric devices are of a different volume. 18. Engine system according to claim 1, wherein the transmission means engaging the volumetric units is of a sprocket wheel and a chain type. 19. Engine system according to claim 1, wherein the transmission means engaging the volumetric units is of a planetary type. 20. Engine system according to claim 1, wherein the transmission means engaging the volumetric units is of a toothed wheel type. 21. Engine system according to claim 1, wherein the transmission means engaging the volumetric units is of a toothed belt and wheel type. 22. Engine system according to claim 1, wherein the transmission means engaging the volumetric units is of a continuous, variable speed type. 23. Engine system according to claim 1, wherein a plurality of volumetric devices of equal and/or different volumes are serially engaged to one another by means of a transmission with a corresponding ratio. 24. Engine system according to claim 1, wherein a plurality of volumetric devices of equal and/or different volumes are assembled in side by side order and are engaged to one another by means of a transmission with a corresponding ratio. 25. Engine system according to claim 1, wherein the heat is supplied from an external source. 26. Engine system according to claim 25, wherein the work process is of a closed type.
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