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:
Sep. 05, 1978
Filed:
Mar. 02, 1976
Applicant:
Inventor:
Hidehiro Minami, Yokohama, JP;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
F02B / ;
U.S. Cl.
CPC ...
60276 ; 60284 ; 60285 ; 1231 / ;
Abstract
In an automotive internal combustion engine equipped with an exhaust cleaning catalytic converter and a mixture control system to control the richness of the mixture toward a predetermined air-to-fuel ratio that will enable the catalytic converter to produce a maximum conversion efficiency, means are provided to disable the mixture control system and/or reduce the spark advance degrees under low-temperature operating condition of the engine.