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. 22, 1991
Filed:
Feb. 16, 1990
Applicant:
Inventors:
Stephan Pelters, Tiefenbronn, DE;
Horst Klink, Weissach, DE;
Assignee:
Dr. Ing. h.c.F. Porsche AG, , DE;
Primary Examiner:
Int. Cl.
CPC ...
F01N / ;
U.S. Cl.
CPC ...
60288 ; 422172 ; 422180 ;
Abstract
An exhaust system of an internal-combustion engine is provided with a small catalyst as a starting catalyst and wherein this small catalyst is longitudinally movably or pivotedly movable into or out of the exhaust pipe of an internal-combustion engine. When exhaust gas flow from the engine is strong, the catalyst is moved into a dead space lateral chamber with respect to the flow in the exhaust pipe.