[특허]Engine idle speed air control

Engine idle speed air control 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02M-003/09
출원번호	US-0654541 (1996-05-29)
발명자 / 주소	Izydorek Randall P. Tuckey Charles H. Williams Kevin L.
출원인 / 주소	Walbro Corporation
대리인 / 주소	Barnes, Kisselle, Raisch, Choate, Whittemore & Hulbert
인용정보	피인용 횟수 : 19 인용 특허 : 0

초록 ▼

A control device for bypassing intake air around a closed throttle valve of an operating engine while it is idling. The device has a main flow control valve controlling bypass air flow in the bypass air passageway of the device and movable to closed and open positions by a diaphragm actuated by engine intake vacuum controlled by a pilot valve actuated by a solenoid. The main valve, pilot valve and plunger of the solenoid are all movably received on and supported by a stationary slide rod which preferably extends into the coil of the solenoid and is supported adjacent only one end in a cantilever fashion. The main valve includes a main valve body with piston head movable with a flow clearance in and out of an air passage bore of the air outlet side of the bypass air passageway. An annular main valve seat is located at the open upstream end of the bore through which the piston head moves in its axial travel between fully open and closed positions of the main valve. The main valve also includes a flexible valve disc upstream of the valve body which is engageable with the main valve seat to fully close the same. The valve disc is controllably peeled off the main valve seat by a wedge shaped face of the piston head during initial opening travel of the main valve. The piston is also peripherally shaped to cooperate with the air passage bore and main valve seat to controllable vary the flow controlling cross sectional area of the bypass passageway and hence the bypass air flow rate as a function of incremental axial travel of the main valve along the slide rod.

대표청구항 ▼

[ What is claimed is:] [1.] An idle speed bypass air control device for bypassing air around an intake throttle valve of an engine comprising, a housing having an air inlet passage, an air outlet passage and a first valve seat received between them, a solenoid carried by the housing having an electric coil and a movable plunger, an axially elongated slide rod disposed generally coaxially with the coil, the plunger being slidably received on the rod for movement relative to the rod and the coil, a main valve slidably received on the rod and movable relative to the plunger and the seat, the main valve being movable on the rod to a closed position engagable with the seat and to open positions disengaged and spaced from the seat, a diaphragm carried by the housing for actuating the main valve and with one face defining in part a chamber and the other face communicating with the inlet passage, a second valve seat carried by the main valve for movement therewith and communicating with the diaphragm chamber and the outlet passage, and a pilot valve carried by the plunger and movable by the plunger to a closed position in engagement with the second seat and to an open position disengaged and spaced from the second seat, whereby when the engine is operating with the throttle valve in a closed position and a subatmospheric pressure is applied to the outlet passage of the device, the opening of the main valve by the diaphragm is a function of and proportional to an electric signal applied to the coil of the solenoid.

이 특허를 인용한 특허 (19)

Burns,Michael P.; Speirs,David L., Carburetor and solenoid assemblies and methods of assembling the same.
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Seidl,Gerard L., Combination vent/check valve assembly.
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DiPerna, Paul M, Flow regulating stopcocks and related methods.
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DiPerna, Paul M.; Brown, David; Rosinko, Mike; Kincade, Dan; Michaud, Michael; Nadworny, John; Kruse, Geoffrey A.; Ulrich, Thomas R., Infusion pump system with disposable cartridge having pressure venting and pressure feedback.
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DiPerna, Paul M.; Brown, David; Rosinko, Mike; Kincade, Dan; Michaud, Michael; Nadworny, John; Kruse, Geoffrey A.; Ulrich, Thomas R., Infusion pump system with disposable cartridge having pressure venting and pressure feedback.
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Michaud, Michael; Kruse, Geoffrey A., Infusion pump system with disposable cartridge having pressure venting and pressure feedback.
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Michaud, Michael; Kruse, Geoffrey A., Infusion pump system with disposable cartridge having pressure venting and pressure feedback.
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Verhoef, Erik T.; DiPerna, Paul M.; Rosinko, Mike; Williamson, Mark; Kruse, Geoffrey A.; Ulrich, Thomas R.; Lamb, Phil; Saint, Sean; Michaud, Michael; Trevaskis, William, Infusion pump system with disposable cartridge having pressure venting and pressure feedback.
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Lohr, John Carl, Intake manifold integrated vacuum solenoid.
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Rosinko, Michael J.; DiPerna, Paul M., Methods and devices for determination of flow reservoir volume.
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Rosinko, Michael J.; DiPerna, Paul M., Methods and devices for determination of flow reservoir volume.
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Rosinko, Michael J; DiPerna, Paul M., Methods and devices for determination of flow reservoir volume.
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DiPerna, Paul M., Slideable flow metering devices and related methods.
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Brown, David, Solute concentration measurement device and related methods.
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Waisanen, Andrew S., Sound attenuating air intake systems for marine engines.
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Sharpton, A. Dewayne, Sound attenuating system for a marine engine.
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Rosinko, Michael J.; Kruse, Geoffrey A.; Harris, Paul, System and method for detecting occlusions in an infusion pump.
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Metzmaker, Thomas; Saint, Sean; Michaud, Michael; Rosinko, Michael J.; Swanson, Vance, Systems including vial adapter for fluid transfer.
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DiPerna, Paul M., Two chamber pumps and related methods.
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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

Engine idle speed air control 원문보기

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Engine idle speed air control 원문보기

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이 특허를 인용한 특허 (19)

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