Valve drive having a mechanical valve play position and...

Details Valve drive having a mechanical valve play position and... Valve drive having a mechanical valve play position and...

2011-07-12

2011-07-12

Eshete, Zelalem (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

Overhead camshaft

C123S090390, C074S559000

Reexamination Certificate

active

07975664

ABSTRACT:
The valve drive has a cam follower (10) which is arranged between a cam (3) of a camshaft (4) and the gas exchange valve (5) and is mounted on a support element (8). Support element (8) is stationary in cylinder head (2), with a rigid installation height (feature YP), for the adjustment of the valve play (21) with respect to the cam (3) and/or the gas exchange valve (5). A module (6) which has the cam, follower (10) and the support element (8), defines total installation dimension of the module (6).

REFERENCES:
patent: 4658770 (1987-04-01), Okuyama et al.
patent: 4796576 (1989-01-01), Matsuura et al.
patent: 4979475 (1990-12-01), Mills
patent: 6047675 (2000-04-01), Kunz
patent: 197 46 877 (1998-04-01), None
patent: 809 729 (1959-03-01), None
patent: 2 020 389 XY (1979-11-01), None
patent: 2000 161025 XY (2000-06-01), None

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