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. 16, 1979
Filed:
May. 23, 1977
Applicant:
Inventors:
Shyushi Koseki, Yokosuka, JP;
Ken-ichi Koizumi, Yokosuka, JP;
Assignee:
Nissan Motor Company, Limited, Yokohama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M / ; F02D / ; F02D / ;
U.S. Cl.
CPC ...
1231 / ; 1231 / ;
Abstract
In an internal combustion engine having a carburetor, a mixture ratio control system by means of which the fuel-to-air ratio of the combustible mixture to be produced in the carburetor is regulated toward a predetermined target value and furthermore the pressure in the fuel delivery circuit of the carburetor is temporarily increased or decreased at an incipient stage during a period of time for which the fuel-to-air ratio of the mixture as detected from the exhaust gases resulting from the mixture is reduced below or increased beyond the predetermined target value.