Valve deactivator latching assembly

Details Valve deactivator latching assembly Valve deactivator latching assembly

2006-09-26

2006-09-26

Denion, Thomas (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090390

Reexamination Certificate

active

07111597

ABSTRACT:
A valve deactivator latching assembly for selective hydraulic pressure actuation of engine cylinder valves, where the valve actuator is received by and positionable within a bore formed in an engine block with an outer body having an annular latching groove formed on its interior surface, an inner body member insertable in the outer body, a plunger, a lost motion spring, and a latch assembly including a semi-collar member of a radially displacable cooperating axial-position locking element and a second semi-collar member of a radially displacable cooperating axial-position locking element spring biased to extend radially and compressible to contracted position by hydraulic pressure, where each of the semi-collar members include a female alignment guide and a male alignment guide that continuously maintain the alignment thereof.

REFERENCES:
patent: 6321704 (2001-11-01), Church et al.
patent: 6578535 (2003-06-01), Spath et al.
patent: 6681734 (2004-01-01), Albertson
patent: 6688266 (2004-02-01), Church et al.

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