[특허]Temperature-responsive demand fuel pressure regulator

[미국특허] Temperature-responsive demand fuel pressure regulator 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02M-041/00
출원번호	US-0403186 (1995-03-13)
발명자 / 주소	Tuckey Charles H. (Cass City MI)
출원인 / 주소	Walbro Corporation (Cass City MI 02)
인용정보	피인용 횟수 : 17 인용 특허 : 0

초록 ▼

A fuel pressure regulator for an internal combustion engine fuel delivery system that includes a flexible diaphragm carried within a housing to define first and second chambers on opposed sides of the diaphragm. The first of the housing chambers includes an inlet for connection to a source of fuel under pressure, an outlet for connection to the fuel rail and fuel injectors or other fuel delivery mechanism at the engine, and a valve associated with the inlet and movable responsive to the diaphragm between open and closed positions to control flow of fuel through the first chamber to the engine. A bimetallic element is disposed within the housing coupled to the valve and responsive to temperature of fuel in the housing for positioning the valve in the open position when temperature of fuel in the first chamber reaches a preselected level. Thus, under hot-soak or other high fuel temperature conditions, the fuel rail at the engine is connected directly to the fuel supply line for maintaining elevated fuel pressure and preventing fuel vaporization, and possible vapor lock and stall at the engine.

대표청구항 ▼

A pressure regulator for an internal combustion engine fuel delivery system that comprises: a housing and a flexible diaphragm carried within said housing to define first and second chambers on opposed sides of said diaphragm, a first of said chambers including inlet means for connection to a source of under pressure, outlet means for connection to fuel delivery means at the engine, and valve means associated with said inlet means and movable responsive to said diaphragm between open and closed positions to control flow of fuel through said first chamber between said inlet and outlet means, and a bimetallic leaf spring disposed within said housing, fastened at one end to said housing and coupled at an opposing end to said valve means, and responsive to the temperature of fuel in said housing for urging said valve means toward said open position when temperature of fuel in said housing reaches a preselected level.

이 특허를 인용한 특허 (17) 인용/피인용 타임라인 분석

Schelhas,Peter, Device for conveying fuel out of a tank and to a combustion engine.
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Gotthelf,Jeffrey Bryan, Fluid flow pressure regulator.
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Kilgore Jason T. ; Robinson Barry S., Fuel pressure regulator with fuel temperature responsive shape memory calibration.
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Bryce Andrew Schwager, Fuel pressure sensor.
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Ito Motoya,JPX, Fuel supply apparatus and method for supplying fuel according to an engine operating condition.
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Minagawa Kazuji,JPX ; Oi Kiyotoshi,JPX ; Arai Katsumi,JPX, Fuel supply apparatus for an internal combustion engine.
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Robinson Barry S. ; Kilgore Jason T., Fuel system containing a shape memory alloy.
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Kokotovic, Vladimir V.; Kolmanovsky, Ilya Vladimir; Wang, Yan, Fuel system with electrically-controllable mechanical pressure regulator.
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Lin,Arlo, Gas-powered heating apparatus.
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Lin, Arlo, Gas-powered tool.
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Robinson Barry, Integral returnless pressure regulator for a fuel injection system.
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Cuevas Edward ; Ghaffari Casey K., Integrated crimp bias apparatus.
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Cuevas Edward ; Ghaffari Casey K., Integrated crimp bias apparatus and method.
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Shrader, Eric J., Multiple layer structures for void control in ink jet printers.
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Tuckey Charles H., Pressure control valve for a fuel system.
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Blanton Brian Michael ; Wattleworth Robert Eugene ; Langenderfer Glen Paul ; Powell Alvin Arthur ; Mitchell ; Jr. James Witherspoon, Returnless fuel delivery system.
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Steinbrenner, Julie E.; Shrader, Eric J., Temperature dependent shape elements for void control in ink jet printers.
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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

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[미국특허] Temperature-responsive demand fuel pressure regulator 원문보기