US Patent 7513231 Valve gear of internal combustion engine
Patent 7513231 was granted and assigned to Toyota on April, 2009 by the United States Patent and Trademark Office.
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Patent abstract
There is provided a valve gear (11) with a motor (12), a cam mechanism (14) which converts a rotational motion of the motor (12) into a linear motion of an intake valve (2) by a cam (21), and a motor control apparatus (30) which controls the motor (12) such that an acceleration characteristic during a lift of the intake valve (2) changes in correspondence to a rotation number of an internal combustion engine.
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US Patent 07513231 Valve gear of internal combustion engine US Patent 7513231 Valve gear of internal combustion engine
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Patent Number
0751323100
Patent Number
751323100
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Official Website
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
075132310
Date of Patent
April 7, 2009
0Patent Application Number
105821200
Date Filed
December 15, 2004
0Official Website
Patent Primary Examiner
Edits on 24 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
075132310
Date of Patent
April 7, 2009
0Patent Application Number
105821200
Date Filed
December 15, 2004
0Official Website
Patent Primary Examiner
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US Patent 07513231 Valve gear of internal combustion engine
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07513231
Date of patent
April 7, 2009
Patent application number
10582120
Date Filed
December 15, 2004
Patent primary examiner
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