[특허]Cam shaft assembly for use in internal combustion engine

Cam shaft assembly for use in internal combustion engine 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01L-001/34
출원번호	US-0077510 (1993-06-17)
우선권정보	JP-0157909 (1992-06-17); JP-0172665 (1992-06-30)
발명자 / 주소	Hara Seinosuke (Atsugi JPX) Yamada Yoshihiko (Atsugi JPX) Morita Shoji (Atsugi JPX) Yamakawa Yukio (Atsugi JPX) Hidaka Akira (Atsugi JPX)
출원인 / 주소	Unisia Jecs Corporation (Kanagawa JPX 03)
인용정보	피인용 횟수 : 32 인용 특허 : 0

초록 ▼

A cam shaft assembly comprises a first coupling between a drive collar rotatable with a driving shaft and an annular disc at a first position spaced from the shaft axis, and a second coupling between the disc and said hollow cam at a second position angularly spaced from said first position with respect to the shaft axis. The first and second couplings are so spaced from the shaft axis that they are at varying distances from the axis of the disc during operation. Each of the first and second couplings has a movable connection with the disc to permit the variation in its distance from the axis of the disc. The disc is rotatably supported in a disc housing. A control rod is mounted for rotation and has an eccentric control cam which controls movement of the disc housing. A pivot shaft extends through the disc housing for allowing movement of the disc housing following the eccentric control cam in which said plurality of hollow cams are disposed.

대표청구항 ▼

A cam shaft assembly for use in an internal combustion engine with a cylinder head to control opening and closing of intake and exhaust valves thereof, the assembly comprising: a driving shaft rotatable about a shaft axis; a cam rotatable relative to said driving shaft, said cam having a drive connection from said driving shaft which includes a drive member rotatable with said driving shaft, a support, an intermediate member supported in said support for rotation about an axis so as to rotate eccentrically with respect to said shaft axis, a first coupling between said drive member and said intermediate member at a first position spaced from said shaft axis, and a second coupling between said intermediate member and said cam at a second position angularly spaced from said first position with respect to said shaft axis, said first and second couplings being so spaced from said shaft axis that they are at varying distances from the axis of said intermediate member during operation, each of said first and second couplings having a movable connection with said intermediate member to permit variation in its distance from said axis of said intermediate member; means for holding said support for movement within a plane perpendicular to said shaft axis; and means for varying the eccentricity of said intermediate member, wherein said eccentricity varying means includes a control rod mounted for rotation about an axis, said control rod having an eccentric control cam, said support holding means includes pivot means for allowing movement of said support following said control cam, and said support has a hole rotatably coupled with said eccentric control cam.

이 특허를 인용한 특허 (32)

Weber,James R.; Leman,Scott A.; Coleman,Gerald N.; Duffy,Kevin P.; Fluga,Eric C.; Kilkenny,Jonathan P.; Afjeh,Homa, Air and fuel supply system for a combustion engine.
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Hara Seinosuke (Atsugi JPX) Hidaka Akira (Atsugi JPX), Engine cylinder valve control system.
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Bryant,Clyde C., Internal combustion engine and working cycle.
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Mandal,Dhruva; Williams,Carroll, Valve lifter body.
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Mandal,Dhruva; Williams,Carroll, Valve operating assembly.
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Mitchell Stephen W.,GBX, Valve timing phase changer.
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Nohara Tsuneyasu,JPX ; Hidaka Akira,JPX ; Yamada Yoshihiko,JPX, Valve-operating device for engine with two banks and variable valve timing and working angle mechanism.
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Goto Tetsuro,JPX ; Yamada Yoshihiko,JPX, Variable valve actuator apparatus.
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Murata Shinichi,JPX ; Isomoto Jun,JPX ; Kubo Masahiko,JPX ; Hirano Takaaki,JPX, Variable valve driving mechanism.
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Mitchell,Stephen William, Variable valve timing system.
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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

Cam shaft assembly for use in internal combustion engine 원문보기

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이 특허를 인용한 특허 (32)

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Cam shaft assembly for use in internal combustion engine 원문보기

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이 특허를 인용한 특허 (32)

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