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. 11, 1988
Filed:
Feb. 24, 1987
Applicant:
Inventor:
Tsuyoshi Kitahara, Ina, JP;
Assignee:
Nissan Motor Co., Ltd., Yokohama, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
204427 ; 204406 ; 204412 ; 204425 ; 204426 ; 204428 ; 204429 ;
Abstract
A device detects an air-fuel ratio of a fuel mixture by causing an electric current to flow through an oxygen ion-conductive solid electrolyte to cause migration of oxygen ions between an atmospheric air and a gas receiving portion into which the exhaust gases resulting from combustion of the fuel mixture are diffused via gas diffusion restricting means. The device includes means for detecting the electric current.