[특허]Engine induction system

Aeristech Limited

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Engine induction system

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02B-033/44 F01D-015/10 F04B-023/00 H02K-007/14 H02P-001/04 H02P-027/04
미국특허분류(USC)	060/608; 290/052; 417/243; 318/008; 318/430; 318/802
출원번호	US-0518350 (2007-11-14)
등록번호	US-8584459 (2013-11-19)
우선권정보	GB-0624599.7 (2006-12-09)
국제출원번호	PCT/GB2007/004339 (2007-11-14)
§371/§102 date	20090609 (20090609)
국제공개번호	WO2008/068453 (2008-06-12)
발명자 / 주소	Richards, Bryn
출원인 / 주소	Aeristech Limited
대리인 / 주소	Andrus, Sceales, Starke & Sawall, LLP
인용정보	피인용 횟수 : 8 인용 특허 : 31

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A forced induction system for an engine comprising a compressor for increasing the pressure of gas into the engine and a turbine arranged to be driven by engine exhaust gas. The system further comprises a generator and an electric motor. The generator is arranged to be driven by the turbine and the motor is arranged to drive the compressor, wherein the generator and motor are electrically connected. The system comprises electrical control means arranged to receive the electrical signal output by said generator during operation and to apply an AC control ...

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1. A forced induction system for an internal combustion engine with a crankshaft, said system comprising: a compressor for increasing the pressure of gas into said internal combustion engine;a turbine mechanically decoupled from the compressor and arranged to be driven by engine exhaust gas;a generator arranged to be driven by said turbine at a first rotational speed and to generate an electrical signal output with a first frequency;an electric motor arranged to drive said compressor, wherein said generator and said motor are electrically coupled; anda control arranged to receive said electrical signal output by said generator during operation and to apply an alternating current control signal with a second rotational speed, independently of the first rotational speed of said generator whereby said compressor is driven at least in part by an output torque of the turbine via said electrical coupling, wherein the control comprises a frequency modulator arranged to control the flow of electricity between the generator and the electric motor. 2. The forced induction system according to claim 1, further comprising a second generator arranged to be driven by the engine crankshaft. 3. The forced induction system according to claim 1, wherein said control comprises an alternating current to direct current power converter. 4. The forced induction system according to claim 3, further comprising an energy storage connected between said generator and said motor. 5. The forced induction system according to claim 4, wherein said control controls the flow of electricity between each said generator, said energy storage and said motor based at least in part upon engine operation parameters. 6. The forced induction system according to claim 4, further comprising a direct current to alternating current power converter connected between said energy storage and said motor. 7. The forced induction system according to claim 4, further comprising a direct current bus connected between each said generator, said energy storage and said motor. 8. The forced induction system according to claim 4, wherein said energy storage comprises a super capacitor. 9. The forced induction system according to claim 4, further comprising an auxiliary energy storage arranged to store energy derived from the engine crankshaft. 10. The forced induction system according to claim 1, wherein said control comprises a digital signal processor. 11. The forced induction system according to claim 1, wherein any or any combination of said generator and said motor comprise a permanent magnet type machine. 12. The forced induction, system according to claim 11, wherein a magnet of said permanent magnet type machine is held against a rotor body by a retaining sleeve formation. 13. The forced induction system according to claim 1, wherein said generator is driven by said turbine via a mechanical gearing. 14. The forced induction system according to claim 1, wherein said compressor is driven by said motor via a gearing. 15. The forced induction system according to claim 1, wherein the frequency of the alternating current control signal is controlled by the controller independently of the amplitude of the alternating current control signal. 16. A forced induction system for an internal combustion engine with a crankshaft, the system comprising: a compressor for increasing the pressure of gas into said engine;a turbine mechanically decoupled from the compressor and arranged to he driven by engine exhaust gas;a generator arranged to be driven by said turbine;an electric motor arranged to drive said compressor, wherein said generator and said motor are electrically coupled;an energy storage coupled between said generator and said motor; anda control arranged to receive an electrical output signal by said generator during operation and to apply an alternating current control signal to said electric motor whereby said compressor is driven at least in part by an output torque of said turbine by said electrical coupling, wherein the control comprises a frequency modulator arranged to control the flow of electricity between the generator and the electric motor; andwherein said control comprises an alternating current to direct current power converter and an energy dissipating device selectively connectable between said generator and said storage when said storage is charged at or beyond a predetermined threshold. 17. The forced induction system according to claim 16, wherein said energy dissipating device comprises a resistor. 18. A forced induction system for an internal combustion engine with a crankshaft, said system comprising: a compressor for increasing the pressure of gas into said internal combustion engine;a turbine mechanically decoupled from the compressor and arranged to be driven by engine exhaust gas;a generator arranged to be driven by said turbine and to generate an electrical signal output;an electric motor arranged to drive said compressor, wherein said generator and said motor are electrically coupled; anda control arranged to receive said electrical signal output by said generator during operation and to apply an alternating current control signal to said electric motor whereby said compressor is driven at least in part by an output torque of the turbine via said electrical coupling, wherein the control comprises a frequency modulator arranged to control the flow of electricity between the generator and the electric motor wherein said control comprises a digital signal processor and wherein said signal processor comprises an electronic switch arranged to operate at a switching frequency which is a factor of ten or more greater than the rotational frequency of the motor. 19. A forced induction system for an internal combustion engine with a crankshaft, said system comprising: a compressor for increasing the pressure of gas into said internal combustion engine;a turbine mechanically decoupled from the compressor and arranged to be driven by engine exhaust gas;a generator arranged to be driven by said turbine at a first rotational speed and to generate an electrical signal output with a first frequency;an electric motor arranged to drive said compressor, wherein said generator and said motor are electrically coupled;an energy storage connected between said generator and said motor; anda control arranged to receive said electrical signal output by said generator during operation and to apply an alternating current control signal with a second frequency to said electric motor to drive said electrical motor at a second rotational speed, independently of the first rotational speed of said generator whereby said compressor is driven at least in part by an output torque of the turbine via said electrical coupling, wherein the control comprises a frequency modulator arranged to control the flow of electricity between the generator and the electric motor,wherein said control comprises an alternating current to direct current power converter, andwherein a conventional engine electrical system is connected to at least one of said motor and the energy storage.

이 특허에 인용된 특허 (31)

이 특허를 인용한 특허 피인용횟수: 8

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Engine induction system

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이 특허에 인용된 특허 (31)

이 특허를 인용한 특허 피인용횟수: 8

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Engine induction system

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이 특허에 인용된 특허 (31)

이 특허를 인용한 특허 피인용횟수: 8

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