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. 22, 2008
Filed:
Feb. 15, 2006
Shinichi Takemura, Yokohama, JP;
Takanobu Sugiyama, Yokohama, JP;
Katsuya Moteki, Tokyo, JP;
Yoshiaki Tanaka, Fujisawa, JP;
Shinichi Takemura, Yokohama, JP;
Takanobu Sugiyama, Yokohama, JP;
Katsuya Moteki, Tokyo, JP;
Yoshiaki Tanaka, Fujisawa, JP;
Nissan Motor Co., Ltd., Yokohama-shi, Kanagawa, JP;
Abstract
A variable compression ratio mechanism that changes the compression ratio according to the rotation angle of a control shaft, wherein a stopper is provided at the highest compression ratio side for regulating the rotation of the control shaft. Then, the output detected by a compression ratio sensor for detecting the rotation angle of the control shaft when the stopper is in an abutted state is read. An adjustment value is learned in order to revise the sensor output based on the detected output.