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:
Feb. 26, 1980
Filed:
Sep. 27, 1977
Applicant:
Inventors:
Tomoji Inui, Katsuta, JP;
Yasunori Mori, Katsuta, JP;
Seiji Suda, Mito, JP;
Toshio Furuhashi, Mito, JP;
Assignee:
Hitachi, Ltd., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02P / ;
U.S. Cl.
CPC ...
1231 / ; 1231 / ;
Abstract
An electronic spark timing advancing apparatus for an internal combustion engine having an ignition device is disclosed, wherein a crank angle at which an internal pressure of a cylinder of the engine assumes a peak value is detected and a desired crank angle at which the internal pressure of the cylinder is to assume a peak value under a given condition is calculated in accordance with that condition, and a spark timing of the ignition device is controlled in response to a deviation therebetween to minimize the deviation.