Valve control means
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Sep 13, 1994
Issued Date -
N/A
app pub date -
Sep 29, 1993
filing date -
Feb 16, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
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.
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