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:
May. 21, 2002
Filed:
Sep. 11, 2000
Applicant:
Inventors:
Peter Steinrück, Hallstadt, AT;
Franz Paset, Kottingbrunn, AT;
Assignee:
Hoerbiger Ventilwerke GmbH, Vienna, AT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 1/712 ;
U.S. Cl.
CPC ...
F16K 1/712 ;
Abstract
A check valve ( ) controlled by differential pressure, preferably in form of a disk valve, having a closing element ( ) that impacts a valve seat ( ) with a force by means of an elastic (resilient) element, preferably a closing spring ( ). The closing element ( ) is provided with an additional mass ( ), which is larger in its amount than the mass of the closing element ( ) itself to dampen the closing shock in a manner whereby the closing element ( ) does not rebound even once or several times and also to dampen the opening shock of a valve of this type as a matter of course.