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.

Date of Patent:
Oct. 23, 2012

Filed:

Oct. 21, 2008
Applicants:

Gerd Bornmann, Hochheim, DE;

Uwe Clemen, Maintal, DE;

Marcus Häuser, Gieβen, DE;

Inventors:

Gerd Bornmann, Hochheim, DE;

Uwe Clemen, Maintal, DE;

Marcus Häuser, Gieβen, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 1/226 (2006.01);
U.S. Cl.
CPC ...
Abstract

A housing having at least one valve seat for at least one flap, which is supported so it can rotate on a drive shaft. The drive shaft is guided on at least one side through the housing, a sleeve, through which the drive shaft is rotatably guided, being disposed fixed in place on the inside of the housing in this area. The sleeve has a first area, which faces the flap and encloses the drive shaft with a first slight play. Furthermore, the sleeve has a second area, which faces away from said flap and has a diameter expansion in comparison to the first area and which, on the front side thereof facing away from the flap encloses the drive shaft with a second slight play. Furthermore, the valve is a gas recirculation valve of a motor vehicle.


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