Valve control means

Details Valve control means Valve control means

1993-09-29

1994-09-13

Cross, E. Rollins

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

123 9016, F01L 134, F02D 1306

Patent

active

053459040

ABSTRACT:
The invention relates to valve control for an internal combustion engine. The valve control includes a valve, a first camshaft having a first cam member and a second cam member having a different profile from the first cam member and a cam follower assembly for transmitting reciprocating movement to the valve from the cam. The cam follower assembly includes a first cam follower member in engagement with the valve and a second cam follower member movably relative to the first cam follower member, and locking means to enable the follower members to be linked to move together. When the follower members are not linked the valve means is controlled by the first cam follower member in engagement with and following the profile of the first cam member and when the follower members are linked the valve is controlled by the second cam follower member in engagement with and following the profile of the second cam member. One of the cam members having a circular axial cross-section to enable valve deactivation.

REFERENCES:
patent: 4768467 (1988-09-01), Yamada et al.
patent: 4790274 (1988-12-01), Inoue et al.
patent: 5036807 (1991-08-01), Kaneko
patent: 5090364 (1992-02-01), McCarroll et al.
patent: 5099806 (1992-03-01), Murata et al.

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