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:
Jan. 17, 1978
Filed:
Dec. 09, 1975
Applicant:
Inventors:
Assignee:
Fuji Jukogyo Kabushiki Kaisha, Tokyo, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02P / ;
U.S. Cl.
CPC ...
1231 / ;
Abstract
An internal combustion engine has a vacuum spark timing control system to advance and retard the spark in which the spark is kept retarded until a predetermined time passes after the engine speed exceeds a predetermined reference engine speed that demarcates the high engine speed range from the low engine speed range operations. During the low engine speed range operation the spark is retarded, while during the high engine speed range operation, the spark is advanced.