US Patent 7343888 Springless valve system
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Patent Inventor Names
Charles N VanValkenburgh0
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Patent 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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US Patent 07343888 Springless valve system US Patent 7343888 Springless valve system
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Patent Number
073438880
Patent Number
73438880
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Patent Jurisdiction
Patent Number
073438880
Date of Patent
March 18, 2008
0Patent Application Number
114636030
Date Filed
August 10, 2006
0Official Website
Patent Primary Examiner
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US Patent 07343888 Springless valve system
Infobox
Is a
Patent jurisdiction
Patent number
07343888
Date of patent
March 18, 2008
Patent application number
11463603
Date Filed
August 10, 2006
Patent primary examiner
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