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:
Oct. 09, 2012
Filed:
Mar. 19, 2008
Applicants:
Bernhard Spiegl, Vienna, AT;
Markus Testori, Hollabrunn, AT;
Peter Steinrück, Hallstatt, AT;
Inventors:
Assignee:
Hoerbiger Kompressortechnik Holding GmbH, Wien, AT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A spring cup in an automatic suction and pressure valve has an internal contour which opens in the shape of a calotte so as to reduce wear at the ends of a valve spring positioned in the spring cup and thereby lengthen its useful life.