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:
Jul. 28, 1992
Filed:
Feb. 11, 1991
Applicant:
Inventor:
Istvan Geiger, Braunschweig, DE;
Assignee:
Volkswagen AG, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N / ;
U.S. Cl.
CPC ...
60274 ; 60277 ; 60285 ; 60286 ;
Abstract
To provide assured monitoring of the conversion ratio of an exhaust gas catalytic converter in the exhaust system of an internal combustion engine of a motor vehicle, at least one ignition suppression is generated and a preset quantity of fuel-air mixture is supplied during a deceleration phase of the engine and the difference in the temperatures at locations downstream and upstream with respect to the flow of exhaust gas through the catalytic converter is detected and evaluated.
Geiger, Istvan. (1992). Method and apparatus for monitoring the conversion ratio of a catalytic (U.S. Patent No. 5133184). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5133184
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile