US Patent 7819102 Valve driving device for internal combustion engine
Patent 7819102 was granted and assigned to Toyota on October, 2010 by the United States Patent and Trademark Office.
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Patent abstract
A lost motion spring is disposed to contact at one end an oscillating member interposed between a cam and a valve for synchronizing the oscillating of the valve with the rotation of the cam. The lost motion spring impels the oscillating member toward the cam. A spring support shaft is provided for supporting a second portion of the lost motion spring. A spring position adjustment mechanism is provided for adjusting the mounting position of the lost motion spring relative to the spring support shaft.
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Patent Inventor Names
Shuichi Ezaki0
Toshiyuki Maehara0
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US Patent 07819102 Valve driving device for internal combustion engine US Patent 7819102 Valve driving device for internal combustion engine
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Patent Number
07819102
Patent Number
7819102
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Official Website
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US Patent 07819102 Valve driving device for internal combustion engine
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Is a
Current assignee
Patent jurisdiction
Patent number
07819102
Date of patent
October 26, 2010
Patent application number
11990846
Date Filed
May 29, 2007
Patent primary examiner
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