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:
Mar. 22, 1988
Filed:
May. 06, 1987
Applicant:
Inventors:
Kenji Ikeura, Zushi, JP;
Yoshihisa Kawamura, Yokosuka, JP;
Takeshi Atago, Katsuta, JP;
Yasunori Mouri, Katsuta, JP;
Assignees:
Hitachi, Ltd., both of, JP;
Nissan Motor Co., Ltd., both of, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M / ;
U.S. Cl.
CPC ...
123435 ; 123480 ;
Abstract
A basic pulse width T.sub.p is determined in accordance with the throttle valve opening and speed of an engine, and the basic pulse width T.sub.p is corrected when the peak value of cylinder pressures exceeds a given range established by the average value of the peak pressure values.