Latch assembly for a valve control system

Details Latch assembly for a valve control system Latch assembly for a valve control system

1996-06-17

1997-04-01

Lo, Weilun

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 9041, 123 9046, 123198F, 74559, F01L 118, F01L 1300

Patent

active

056156472

ABSTRACT:
A latch assembly for an engine valve control system wherein first and second rocker arms are selectively latched together to rotate in unison to open the valve in response to the force applied by a cam, or are allowed to rotate independently of one another. The latch assembly includes a slide assembly which is received in surrounding relation to one of the rocker arms and which retains a latch member engageable by the rocker arms. In a preferred embodiment the slide assembly includes a force application surface located along the longitudinal axes of the rocker arms remote from the latch member.

REFERENCES:
patent: 4151817 (1979-05-01), Mueller
patent: 4203397 (1980-05-01), Soeters, Jr.
patent: 4844023 (1989-07-01), Konno et al.
patent: 5297516 (1994-03-01), Hara
patent: 5413071 (1995-05-01), Paul et al.
patent: 5463988 (1995-11-01), Paul
patent: 5544626 (1996-08-01), Diggs et al.

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