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:
Nov. 09, 1993
Filed:
Dec. 11, 1991
Applicant:
Inventors:
Gunar Baier, Mannheim, DE;
Bernd Schumann, Eppelheim, DE;
Assignee:
ABB Patent GmbH, Mannheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N / ;
U.S. Cl.
CPC ...
60274 ; 60276 ; 60277 ; 123691 ;
Abstract
A method for monitoring a catalytic converter for vehicles having Otto engines includes monitoring the composition of exhaust gases leaving a catalytic converter. An apparatus for monitoring the catalytic converter includes a sensor for hydrogen and/or carbon monoxide, and a sensor for oxygen.