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:
Nov. 11, 1997
Filed:
Jul. 02, 1996
Applicant:
Inventors:
Kenichiro Tanaka, Hiroshima, JP;
Tsukasa Harada, Tokyo, JP;
Yoshiyuki Shinya, Hiroshima, JP;
Hiroshi Takagi, Hiroshima, JP;
Assignee:
Mazda Motor Corporation, , JP;
Primary Examiner:
Int. Cl.
CPC ...
F02M / ;
U.S. Cl.
CPC ...
123478 ;
Abstract
Engine control system for an engine equipped with a variable valve timing mechanism for altering intake valve duration delivers the amount of fuel required every engine cycle through leading and trailing injection, the duration times of which are complementarily altered according to changes in intake valve duration.