Cylinder deactivation system for vehicle and variable valve...

Details Cylinder deactivation system for vehicle and variable valve... Cylinder deactivation system for vehicle and variable valve...

2006-12-29

2009-10-20

Eshete, Zelalem (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090150, C123S090390

Reexamination Certificate

active

07603972

ABSTRACT:
A cylinder deactivation system for a vehicle and a variable valve lift system is fabricated with an end pivot structure that can control two valves at the same time. The structure ensures reliability since a latching pin does not receive a shear force and provides an excellent assemblage and a cost reduction by minimizing the number of parts Such a cylinder deactivation system may include a rocker shaft having an oil supply hole, a rocker arm, a middle arm, and a latching portion separating the rocker arm from the middle arm when an oil pressure operates through the oil supply hole.

REFERENCES:
patent: 5394841 (1995-03-01), Murakami
patent: 5623897 (1997-04-01), Hampton et al.
patent: 1986-118904 (1986-07-01), None
patent: 05-033619 (1993-02-01), None
patent: 08-028235 (1996-01-01), None
patent: 11-013441 (1999-01-01), None
patent: 2001-152821 (2001-06-01), None

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