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:
Apr. 17, 2012
Filed:
Mar. 02, 2009
Toru Nishida, Akashi, JP;
Kazuki Nagasawa, Akashi, JP;
Yoshio Watanabe, Kakogawa, JP;
Yoji Fukami, Kakogawa, JP;
Toshiyuki Yanamoto, Kobe, JP;
Toru Nishida, Akashi, JP;
Kazuki Nagasawa, Akashi, JP;
Yoshio Watanabe, Kakogawa, JP;
Yoji Fukami, Kakogawa, JP;
Toshiyuki Yanamoto, Kobe, JP;
Kawasaki Jukogyo Kabushiki Kaisha, Kobe-shi, JP;
Abstract
An engine of the present invention comprises a valve body configured to open and close ports and formed in a cylinder head, a drive cam mechanism operable in association with a crankshaft by a driving power transmission mechanism, a pivot cam mechanism which is configured to be pivoted according to movement of the drive cam mechanism to cause the valve body to open and close and is configured to change a pivot state to change a lift characteristic of the valve; and a servo motor configured to change the pivot state of the pivot cam mechanism, wherein the servo motor is positioned at one end portion of the pivot cam mechanism such that the servo motor is distant from the driving power transmission mechanism.