Adjustable valve rocker lever of a valve timing gear of an...

Details Adjustable valve rocker lever of a valve timing gear of an... Adjustable valve rocker lever of a valve timing gear of an...

2008-05-27

2008-05-27

Chang, Ching (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

Rocker

C123S090160, C123S090440, C074S569000

Reexamination Certificate

active

07377247

ABSTRACT:
An adjustable valve rocker lever (1) of a valve timing gear of an internal combustion engine comprising an inner lever (3) and an outer lever (4) enclosing the former with its arms (2), the levers (3, 4) being connectable to one another by longitudinally displaceable coupling links (6) in such a way that a large valve lift is generated when coupled and a small valve lift is generated when decoupled, the levers (3, 4) run on a common axis (5), which viewed in the longitudinal direction is arranged between a complementary face (11) for a support element on the inner lever (3) and lifting faces (12, 13) for the lifting cams on upper sides of the levers (3, 4), wherein by virtue of its axis (5), situated close to the pivot point, such a valve rocker lever (1) has only a small mass moment of inertia about this pivot point.

REFERENCES:
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patent: WO 2005/093224 (2005-10-01), None

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