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:
Apr. 27, 2004
Filed:
Dec. 19, 2002
Gustav Wahler GmbH U. Co. KG, Esslingen, DE;
Abstract
The invention relates to an exhaust gas control valve with a first valve part ( ) and a second valve part ( ), which rest on one another with one side ( ), the valve parts ( ) in each case having passages ( ) and being rotatable relative to one another between an open position permitting the passage of exhaust gases and a closed position, blocking this passage. Webs ( to ), which protrude on one axial side of the first valve part ( ), surround the openings ( ) and, with their free narrow surfaces, form supporting surfaces for the second valve part ( ), which is constructed flat on its side ( ) facing the first valve part ( ) and essentially rests with this surface on the narrow surfaces of the webs ( to ) and slides during the relative rotational adjustment, extend along the boundary edges ( to ), surrounding the passages ( ) of the first valve part ( ).