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. 01, 1980
Filed:
Dec. 12, 1977
Applicant:
Inventors:
Assignee:
Toyo Kogyo Co., Ltd., Hiroshima, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02P / ; F02M / ;
U.S. Cl.
CPC ...
1231 / ; 123 / ; 123127 ; 1231 / ; 123 / ;
Abstract
Internal combustion engine having an intake port formed in cylinder head and a first and second intake passages both connected with said intake port. The intake passages are respectively provided with throttle valves and the throttle valve in the second intake passage is opened only under a heavy load operation. The ignition timing is advanced when the throttle valve in the second intake passage has been brought into operation.