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:
Jun. 25, 2013
Filed:
Oct. 10, 2008
Applicant:
Hubert Graf, Munich, DE;
Inventor:
Hubert Graf, Munich, DE;
Assignee:
Bayerische Motoren Werke Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 3/00 (2006.01); F01N 5/04 (2006.01); F01N 3/10 (2006.01); F01N 1/00 (2006.01); E03B 7/07 (2006.01); F16K 37/00 (2006.01); F17D 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An exhaust line of an internal-combustion engine contains a catalyst and a bypass pipe bypassing the catalyst. The bypass pipe can be shut-off by way of a shut-off valve. The shut-off valve has a diagnostic device for diagnosing a tightness of the shut-off valve.