Variable valve lift apparatus of engine for vehicles

Details Variable valve lift apparatus of engine for vehicles Variable valve lift apparatus of engine for vehicles

2008-11-07

2010-11-23

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Engine speed regulator

By changing valve lift

C123S345000

Reexamination Certificate

active

07836863

ABSTRACT:
A variable lift apparatus of an engine for a vehicle may include a camshaft in which a cam is formed, a swing arm one side of which is supported by a supporting portion and another side of which operates a valve, an output arm including a roller press portion extended in one direction and a rotating arm extended in another direction, a first roller disposed in the connecting portion in which the rotating arm and the roller press portion are connected and that contacts the cam, a second roller disposed in the swing arm and contacting a roller contacting surface, a variable link connected with a lower end side of the rotating arm protruding in a lower side of the output arm by a hinge shaft and moves the hinge shaft according to a guide slot formed in a guide and a variable rotation shaft for operating the variable link.

REFERENCES:
patent: 4469056 (1984-09-01), Tourtelot et al.
patent: 2001/0037781 (2001-11-01), Fischer et al.
patent: 2005/0241598 (2005-11-01), Ezaki
patent: 2007/0062472 (2007-03-01), Asada et al.
patent: 2008/0302320 (2008-12-01), Tateno et al.

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