[특허]Rotary valve for internal combustion engine

Rotary valve for internal combustion engine 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01L-007/02
출원번호	US-0926122 (1992-08-05)
발명자 / 주소	Conklin Ronald J. (Grosse Pointe Woods MI)
출원인 / 주소	IBEX Technologies, Inc. (Grosse Pointe Farms MI 02)
인용정보	피인용 횟수 : 35 인용 특허 : 0

초록 ▼

There is provided a rotary valve system for an internal combustion engine which has the capabilities of advancing of retarding the openings of the valves. The rotary valves comprise a cylindrical valve body rotatably disposed within a valve sleeve. The valve sleeve is rotatably disposed within the head of the internal combustion engine. Both intake and exhaust functions have a rotary valve. Under normal operation, the valve sleeve and body rotate at the same speed opening intake or exhaust ports at the appropriate times. Advancing or retarding of the valve timing is accomplished by varying the rotational velocity of either the valve body or the valve sleeve which in turn rotates the valve sleeve relative to the valve body to either advance or retard the opening of the appropriate port. A second embodiment has a valve sleeve which is normally stationary but is also selectively rotatable to effect the valve timing. Another embodiment of the invention rotates the valve body and/or sleeve at a nonuniform rate to increase the duration which the valve is in an open condition.

대표청구항 ▼

An engine apparatus for obtaining variable intake valve timing in an internal combustion engine comprising at least one cylinder and a crankshaft, said apparatus comprising: a support member having an internal cylindrical cavity, said cylindrical cavity in communication with each cylinder of said internal combustion engine, said support member having at least one port connecting said cylindrical cavity to a source of intake change; a valve sleeve rotatably disposed within said cylindrical cavity, said valve sleeve having first porting means for connecting said source of intake charge with each of said cylinders of said internal combustion engine; a valve body rotatably disposed within said valve sleeve, said valve body having second porting means for connecting said source of intake charge with each of said cylinders of said internal combustion engine; means for rotating said valve sleeve in synchronized relationship to the rotation of said crankshaft of said internal combustion engine; means for rotating said valve body in synchronized relationship to the rotation of said crankshaft of said internal combustion engine; and means for varying the rotational speed of said valve sleeve with respect to said crankshaft wherein the point at which effective communication between said source of input charge and each of said cylinders of said internal combustion engine can be advanced or retarded.

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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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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
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Rotary valve for internal combustion engine 원문보기

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Rotary valve for internal combustion engine 원문보기

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이 특허를 인용한 특허 (35)

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