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:
Oct. 12, 1976
Filed:
Jun. 13, 1975
Applicant:
Inventor:
Tadashi Nagai, Yokosuka, JA;
Assignee:
Nissan Motor Co., Ltd., , JA;
Primary Examiner:
Int. Cl.
CPC ...
F02B / ;
U.S. Cl.
CPC ...
60274 ; 60276 ; 60285 ; 123 / ; 1231 / ;
Abstract
In a control system installed on a motor vehicle and constituted of an oxygen concentration sensor and a control device for regulating the fuel supply rate to apparatus for preparing an air-fuel mixture on the basis of a signal from the sensor, a compensation circuit is inserted between the sensor and the control device, a resistance in which circuit varies as the engine is run every predetermined hours or the vehicle travels every predetermined distance.