[특허]Fuel system for fuel injected internal combustion engines

Fuel system for fuel injected internal combustion engines 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02D-041/34 F02M-069/14
출원번호	US-0129122 (1993-10-12)
우선권정보	AU-0006138 (1991-05-15)
국제출원번호	PCT/AU92/00216
§371/§102 date	19931012 (19931012)
국제공개번호	WO-9220915 (1992-11-26)
발명자 / 주소	Leighton Sam R. (Nedlands AUX)
출원인 / 주소	Orbital Engine Company (Australia) Pty. Limited (Balcatta AUX 03)
인용정보	피인용 횟수 : 29 인용 특허 : 0

초록 ▼

A method of operating a fuel system having a fuel pump (15) to supply fuel to a fuel metering apparatus (23) operable to provide metered quantities of fuel for injection to an engine, and an electronic controller (22) responsive to a plurality of input signals to determine the engine fuel demand and to control the activation of the fuel metering apparatus ( 23 ) to deliver a quantity of fuel to meet said fuel demand. The method comprising maintaining a fuel supply to said fuel metering apparatus (23) within predetermined fuel pressure or fuel level parameters, and cyclically operating said fuel pump-to maintain said fuel supply within said parameters. Further providing a signal from the sensor (18) to an electronic controller (23) indicative of the pressure of the fuel supply at the fuel metering apparatus (23) as one of said input signals to be processed by the electronic controller (23) in the control of the fuel metering apparatus (22). The accuracy of the fuel metering is thereby not adversely affected by the intermittent operation of the pump ( 15 ). The pump ( 15 ) preferably provides fuel to a closed chamber that acts in the manner of an accumulator (16), and a pressure sensor (18) provides an input signal to the electronic controller (22) indicative of the pressure of the fuel available to the fuel metering apparatus (23) from the accumulator (16). Alternatively the chamber may maintain the fuel between predetermined levels at a substantially steady or variable pressure.

대표청구항 ▼

A method of operating a fuel system supplying metered quantities of fuel for delivery to an internal combustion engine, said system having a cyclically operable fuel pump, a metering means to receive fuel supplied by the pump, and a processor to control the metering means to deliver a metered quantity of fuel to the engine, said processor determining the metered quantity of fuel required by the engine in response to signal inputs thereto indicating engine operating conditions, said method including intermittently operating said pump under control of the processor to maintain a fuel supply to the metering means at a pressure between selected limits, said limits being selected so that the pump delivers during each period of operation a quantity of fuel greater than a multiple of the maximum single metered quantity of fuel deliverable by the metering means, sensing the pressure of the fuel supply to the metering means, and inputting to the processor a signal indicative of the sensed pressure, said processor applying said fuel pressure signal in the control of the metering means to deliver the required quantity of fuel.

이 특허를 인용한 특허 (29)

James Allen Kimmel ; Scott P. Dillon, Air assist fuel injectors.
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James Allen Kimmel ; David Christopher Kilgore, Air assist fuel injectors and method of assembling air assist fuel injectors.
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Kimmel, James Allen; Kilgore, David Christopher, Air assist fuel injectors and method of assembling air assist fuel injectors.
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Stavnheim Jonathan A. ; West Stephen ; Raghunathan Shyamala, Apparatus for diagnosing failures and fault conditions in a fuel system of an internal combustion engine.
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Stavnheim, Jonathan A.; West, Stephen; Raghunathan, Shyamala, Apparatus for diagnosing failures and fault conditions in a fuel system of an internal combustion engine.
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Kishimoto, Yuji, Automotive fuel supply apparatus.
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Cobb ; Jr. William T., Compressed air assisted fuel injection system.
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Cobb ; Jr. William T., Compressed air assisted fuel injection system.
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Cobb ; Jr. William T., Compressed air assisted fuel injection system with variable effective reflection length.
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Golomb Christopher J ; Bienick Richard H ; Walendzik James A, Dual function fuel supply module.
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Richardson Alan David (Ann Arbor MI) Early Paul Timothy (Brighton MI) Brown Larry Thomas (Dearborn MI) Ortmann Walter Joseph (Ypsilanti MI) Bos Edward Albert (Ann Arbor MI), Fuel delivery system.
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Isao Kanno JP, Fuel injection for engine.
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Wakeman Russell J., Fuel injection system with pressure decay metering method.
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Suzuki, Masaru; Watanabe, Hitoshi; Iwata, Yoshibumi, Fuel supply control system for an outboard motor.
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Wickman Timothy P. ; Trombley Douglas E. ; Voss ; Jr. Erivn H., Fuel supply method for a marine propulsion engine.
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Kramer Claus (Besigheim DEX) Verhagen Armin-Maria (Stuttgart DEX) Trachte Dietrich (Leonberg DEX) Keuper Gerhard (Leonberg DEX), Fuel supply system for an internal combustion engine.
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Nicholas Coplin AU; Raymond John Hill AU, Fuel vapor handling system.
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Kono Hiromi,JPX ; Yoshino Toshiyuki,JPX ; Kanai Hiroshi,JPX, High-pressure fuel injection system.
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Sanborn, Ethan D.; Kumar, Pankaj; Makki, Imad Hassan; Pursifull, Ross Dykstra, Identifying fuel system degradation.
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Ulrey, Joseph Norman; Pursifull, Ross Dykstra, Lift pump system for a direct injection fuel system.
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Pursifull, Ross Dykstra, Method for lift pump control.
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Graf, Rolf, Method for operating a fuel pump.
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Soudier,Christophe; Hampo,Richard J.; Reddy,Vinod; Nallapa,Venkatapathi R., Method, apparatus and article for vibration compensation in electric drivetrains.
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Ulrey, Joseph Norman; Pursifull, Ross Dykstra, Optimizing intermittent fuel pump control.
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Cobb ; Jr. William T., Pneumatically controlled compressed air assisted fuel injection system.
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Cobb ; Jr. William T., Pneumatically controlled compressed air assisted fuel injection system.
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Crombez Dale Scott, Pulse width modulated motor control system and method for reducing noise vibration and harshness.
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Kimmel James Allen, Sealing arrangement for air assist fuel injectors.
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Ulrey, Joseph Norman; Pursifull, Ross Dykstra; Kumar, Pankaj; Makki, Imad Hassan, Systems and methods for sensing fuel vapor pressure.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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연합인증

Fuel system for fuel injected internal combustion engines 원문보기

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Fuel system for fuel injected internal combustion engines 원문보기

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이 특허를 인용한 특허 (29)

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