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:
May. 29, 1990
Filed:
Feb. 17, 1989
Applicant:
Inventor:
Hideyuki Tamura, Yokohama, JP;
Assignee:
Nissan Motor Company, Limited, Yokohama, JP;
Primary Examiner:
Int. Cl.
CPC ...
G01M / ;
U.S. Cl.
CPC ...
731173 ; 73 23 ;
Abstract
The output of an oxygen sensor and the engine operation are monitored and, in the event that the voltage generated by the sensor remains within a predetermined window for a predetermined time while the engine temperature is above a predetermined level and the engine is operating within a given set of conditions which define a suitable testing zone, the sensor is indicated as malfunctioning.
Quick Actions:
Tamura, Hideyuki. (1990). Oxygen sensor operability sensing arrangement (U.S. Patent No. 4928518). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4928518
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile