Heat engine electricity generating system having low-pressure enclosure for flywheel, clutch and electric generator
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B60L-001/02
F01K-015/00
F01K-017/02
F02C-006/00
F02C-006/18
출원번호
US-0959199
(2001-02-23)
우선권정보
FR-2000-002286 (2000-02-23)
국제출원번호
PCT/FR01/00538
(2001-02-23)
국제공개번호
WO01/63729
(2001-08-30)
발명자
/ 주소
Gennesseaux, André
René
Georges
출원인 / 주소
Energiestro
대리인 / 주소
Flynn, Thiel, Boutell & Tanis, P.C.
인용정보
피인용 횟수 :
16인용 특허 :
42
초록▼
Autonomous system for generating electricity comprising energy storage through an inertial flywheel. This system includes an engine/generator assembly having a heat engine, a mechanical speed variator, a clutch, a flywheel and a generator. The assembly composed of the clutch, the flywheel and the ge
Autonomous system for generating electricity comprising energy storage through an inertial flywheel. This system includes an engine/generator assembly having a heat engine, a mechanical speed variator, a clutch, a flywheel and a generator. The assembly composed of the clutch, the flywheel and the generator is placed in an evacuated enclosure so as to reduce energy losses. This system is intended to be installed directly in the buildings where the energy is used, such as for example, in detached houses. The system makes it possible to dispense with a link to the electrical economical in use than the systems of the same type which are already known.
대표청구항▼
1. A system for generating electricity comprising a heat engine producing heat and mechanical power from a fuel, a flywheel for storing kinetic energy, the flywheel defining a first bulge at a center thereof, a second bulge at a periphery thereof and an intermediate narrowing between the first and s
1. A system for generating electricity comprising a heat engine producing heat and mechanical power from a fuel, a flywheel for storing kinetic energy, the flywheel defining a first bulge at a center thereof, a second bulge at a periphery thereof and an intermediate narrowing between the first and second bulges, a clutch between the heat engine and the flywheel and an electric generator coupled rigidly to the flywheel, wherein the clutch, the flywheel and the electric generator are placed inside an enclosure where the pressure is appreciably lower than atmospheric pressure. 2. The system as claimed in claim 1, in which the clutch is controlled by an electromagnet. 3. The system as claimed in claim 1, in which a power transmission member is placed between the heat engine and the clutch. 4. The system as claimed in claim 3, in which the power transmission member comprises at least one element chosen from: a hydraulic coupler; a hydraulic torque converter; a step-down gear; a step-up gear; and a mechanical speed variator. 5. The system as claimed in claim 4, in which the power transmission member is a mechanical speed variator controlled in such a way that the heat engine rotates at a substantially constant duty regime during operation thereof. 6. The system as claimed in claim 3, furthermore comprising a heat-bearing fluid circuit adapted to cool at least one element chosen from: the heat engine; the power transmission member; the electric generator; and at least one bearing supporting the flywheel. 7. The system as claimed in claim 6, in which the heat-bearing fluid circuit comprises a heat exchanger configured and disposed to cool exhaust gases emitted by the heat engine by heat exchange with the heat-bearing fluid circuit. 8. The system as claimed in claim 7, furthermore comprising a burner adapted to produce heat from the fuel, the heat exchanger being adapted to at least partially transfer this heat to the heat-bearing fluid circuit. 9. The system as claimed in claim 8, furthermore comprising a fan adapted to blow air across the heat exchanger so as to cool the heat-bearing fluid. 10. The system as claimed in claim 1, in which the electric generator is a synchronous generator comprising a permanent-magnet rotor. 11. The system as claimed in claim 1, in which the electric generator is a homopolar generator, comprising a rotor made of a ferromagnetic material and a stator comprising a first coil which creates a substantially constant magnetic flux in the rotor, and a plurality of coils whose flux varies periodically with the rotation of the rotor, to induce alternating output voltage. 12. The system as claimed in claim 10, in which a part of the flywheel defines, a magnetic circuit for the electric generator. 13. The system as claimed in claim 1, in which the flywheel comprises a solid disc. 14. The system as claimed in claim 1, in which the flywheel rotates about a vertical axis and is situated entirely in a dish defined in a rigid base supporting the engine and the generator. 15. The system as claimed in claim 14, in which the flywheel is installed under the level of the ground. 16. The system as claimed in claim 1, wherein the flywheel is monoblock and axisymmetric. 17. The system as claimed in claim 1, in which the generator comprises a rotor fixed on one of the first and second bulges of the flywheel and a stator disposed adjacent the narrowing of the flywheel. 18. The system as claimed in claim 1 wherein the flywheel is drivingly connected to the heat engine through the clutch, and the clutch selectively couples the flywheel and the engine with one another and selectively decouples the flywheel and the engine from one another. 19. A system for generating electricity in a building, said system comprising a heat engine which produces heat and mechanical power from a fuel, a flywheel for storing kinetic energy and being drivingly connected to said engine by a shaft structure, said flywheel defining a first bulge at a cent er thereof, a second bulge at a periphery thereof and an intermediate narrowing between the first and second bulges, an electric generator coupled to said flywheel for converting kinetic energy of said flywheel into electrical energy, and a clutch disposed between said flywheel and said engine which couples said flywheel and said engine to one another and decouples said flywheel and said engine from one another, and an enclosure having a pressure therein which is lower than atmospheric pressure, said clutch, said flywheel and said generator being disposed within said enclosure. 20. The system of claim 19 wherein said intermediate narrowing comprises an annular portion of said flywheel disposed between said first and second bulges, and said generator includes a rotor fixed on one of said first and second bulges and a stator mounted in said enclosure within a recess defined by said annular portion of said flywheel. 21. The system of claim 20 wherein said flywheel is mounted within said enclosure for rotation about a vertical axis. 22. The system of claim 19 wherein said engine comprises one of: a controlled-ignition internal combustion engine; a spontaneous-ignition internal combustion diesel engine; an external combustion Stirling engine; and a gas turbine. 23. The system of claim 19 further including a torque converter having an input shaft coupled to an output shaft of said engine, a step-up gear having an input shaft coupled to an output shaft of said torque converter, and said flywheel includes a shaft coupled to an output shaft of said step-up gear through said clutch. 24. The system of claim 1, in which the flywheel is monoblock and axisymmetric. 25. The system of claim 19 wherein the flywheel is monoblock and axisymmetric.
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