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:
Jun. 05, 1984
Filed:
Oct. 14, 1981
Applicant:
Inventors:
Helmut Ott, Stuttgart, DE;
Helmut Motzer, Leinfelden-Echterdingen, DE;
Assignee:
Herion-Werke KG, Fellbach, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05D / ;
U.S. Cl.
CPC ...
1371165 ; 1376275 ;
Abstract
A pressure regulating valve for pneumatic or hydraulic pressure fluids, by means of which a higher primary pressure is regulated to a lower secondary pressure, comprises a housing provided with a primary fluid connection, a secondary fluid connection and a fluid relief connection, a first valve for controlling flow of fluid between the primary fluid connection and the secondary fluid connection and a second valve for controlling flow of fluid between the secondary fluid connection and the fluid relief connection, in which both valves are constructed as seat valves.