Engine valve drive control device

Details Engine valve drive control device Engine valve drive control device

1996-09-18

1997-07-08

Lo, Weilun

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 906, 123198F, F01L 1300

Patent

active

056450222

ABSTRACT:
In an engine valve drive control device, a cam lobe is removably engaged with a cam shaft of a valve actuating line of an engine. The cam lobe is rotated, when engaged, together with the cam shaft to drive a valve. Free rotation of the disengaged cam lobe is halted by a cam rotation halting device to leave the valve inactive. The cam lobe is made axially slidable in the axial direction with respect to the cam shaft, and the engagement/disengagement of the cam lobe with/from the cam shaft are switched according to the sliding motion of the cam lobe.

REFERENCES:
patent: 4794893 (1989-01-01), Masuda et al.
patent: 5158049 (1992-10-01), Neumann
patent: 5331866 (1994-07-01), Voight et al.

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