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. 25, 2016
Filed:
Mar. 14, 2012
Applicants:
Peter Bruck, Althornbach, DE;
Frank Schulz, Blieskastel-Bierbach, DE;
Inventors:
Peter Bruck, Althornbach, DE;
Frank Schulz, Blieskastel-Bierbach, DE;
Assignee:
HYDAC FLUIDTECHNIK GMBH, Sulzbach/Saar, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 31/12 (2006.01); F16K 17/22 (2006.01); F16K 17/10 (2006.01); F16K 31/06 (2006.01); F16K 31/40 (2006.01); G05D 16/20 (2006.01); F16K 31/02 (2006.01);
U.S. Cl.
CPC ...
F16K 17/22 (2013.01); F16K 17/105 (2013.01); F16K 31/02 (2013.01); F16K 31/0613 (2013.01); F16K 31/0668 (2013.01); F16K 31/406 (2013.01); G05D 16/2013 (2013.01); Y10T 137/7761 (2015.04);
Abstract
A valve (), in particular a pressure regulating valve or a pressure limiting valve for controlling a pressure of a medium () that flows through the valve (), includes a main stage () and a pilot stage () that actuates the main stage (). The main stage is actuated against the effect of a restoring device () by an energizable actuating device (). A pressure release stage () of the valve () has a surface area modification device ().