Valve driving apparatus

A valve driving apparatus includes a cam, a force transfer member transferring force of the cam to a valve, and a shim interposed between the cam and the force transfer member and movable on the force transfer member. The shim has a first portion, a part of which first portion is always in contact w...

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Bibliographische Detailangaben
Hauptverfasser: YAEGASHI, TAKEHISA, NARUOKA, TAKAO
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A valve driving apparatus includes a cam, a force transfer member transferring force of the cam to a valve, and a shim interposed between the cam and the force transfer member and movable on the force transfer member. The shim has a first portion, a part of which first portion is always in contact with the force transfer member while the shim is being moved on the force transfer member in accordance with a motion of the cam.