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:
Aug. 09, 2016
Filed:
Mar. 07, 2014
Applicant:
Hitachi Automotive Systems, Ltd., Hitachinaka-shi, Ibaraki, JP;
Inventor:
Kentaro Mikawa, Isesaki, JP;
Assignee:
HITACHI AUTOMOTIVE SYSTEMS, LTD., Hitachinaka-Shi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02D 13/02 (2006.01); F02D 41/00 (2006.01);
U.S. Cl.
CPC ...
F02D 13/0203 (2013.01); F02D 13/0215 (2013.01); F02D 13/0234 (2013.01); F02D 13/0249 (2013.01); F02D 2041/001 (2013.01);
Abstract
The present invention relates to variable valve timing control device and control method, which change valve timing of an internal combustion engine. An operation amount for controlling the valve timing is computed, and an operation amount computed at position detection timing of a valve timing control system is divided and output until next position detection timing.