The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 22, 2015
Filed:
Dec. 18, 2012
Honda Motor Co., Ltd., Tokyo, JP;
Yuji Matsumochi, Saitama, JP;
Kaori Kobayashi, Saitama, JP;
HONDA MOTOR CO., LTD., Tokyo, JP;
Abstract
Provided is a valve gear which achieves a reduced size and is capable of changing the valve opening timing of an engine valve and changing the length of the valve opening period thereof. A valve gear is provided with: a rotatable first camshaft; a first cam piece that is relatively unrotatably provided on the first camshaft; a second camshaft that is included in the first camshaft and coaxially rotatable; a second cam piece that is relatively unrotatably provided on the second camshaft; a housing; a first vane rotor that is relatively rotatable with respect to the housing; and a second vane rotor that is relatively rotatable with respect to the housing and the first vane rotor The first vane rotor is relatively unrotatably coupled to the second camshaft, and the second vane rotor is relatively rotatably coupled to the first camshaft.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile