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. 12, 2019
Filed:
Jan. 09, 2016
Applicant:
Hydac Fluidtechnik Gmbh, Sulzbach/Saar, DE;
Inventors:
Peter Bruck, Althornbach, DE;
Martin Grill, St. Wendel, DE;
Assignee:
HYDAC FLUIDTECHNIK GMBH, Sulzbach/Saar, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 17/06 (2006.01); G05D 16/10 (2006.01); F15B 13/02 (2006.01); F16K 1/42 (2006.01); F16K 17/04 (2006.01); F16K 31/40 (2006.01); F16K 15/02 (2006.01); F16K 31/122 (2006.01); F15B 13/04 (2006.01); F15B 20/00 (2006.01); F15B 21/047 (2019.01);
U.S. Cl.
CPC ...
G05D 16/106 (2013.01); F15B 13/024 (2013.01); F16K 1/42 (2013.01); F16K 15/026 (2013.01); F16K 17/0433 (2013.01); F16K 31/1221 (2013.01); F16K 31/408 (2013.01); F15B 13/0405 (2013.01); F15B 20/007 (2013.01); F15B 21/047 (2013.01);
Abstract
A pressure-limiting valve with feed function includes a valve housing () having a working connection (A) and a tank connection (T). A spring-loaded pressure-limiting valve piston () is mounted and longitudinally movable in the valve housing (). A spring-loaded non-return valve piston () for the implementation of the feed function is designed as a hollow piston and is mounted to be longitudinally movable in the valve housing ().