Springless valve system
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United States of America Patent
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Mar 18, 2008
Grant Date -
Mar 6, 2008
app pub date -
Aug 10, 2006
filing date -
Aug 10, 2006
priority date (Note) -
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Abstract
A poppet valve actuation system utilizing separate opening and closing cams that press against opening and closing cam followers, respectively. The opening and closing cam followers are linked to each other directly by a tension member so they move in unison. The valve is firmly connected to the opening cam follower. The opening and closing cam followers and valve are all collinear when viewed from the end of the cam shaft.
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