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:
Mar. 07, 2006
Filed:
Dec. 20, 2004
Applicants:
Peter Kohlen, Neu-Anspach, DE;
Michael Rennen, Bad Soden, DE;
Inventors:
Peter Kohlen, Neu-Anspach, DE;
Michael Rennen, Bad Soden, DE;
Assignee:
Siemens AG, München, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16K 1/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a valve comprised of a housing with a valve seat for a flap that is rotatably mounted on a drive shaft. The exterior of the flap is provided with a first piston sealing ring and a second piston sealing ring that are placed inside an encircling groove of the flap. Each sealing ring is provided in the form of a metal ring. The first ring has a first gap and the second ring has a second gap that are not aligned with one another. The invention also relates to the use of said valve.