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.

Date of Patent:
Sep. 08, 1992

Filed:

Nov. 19, 1990
Applicant:
Inventor:

Aydogan Cakmaz, Stuttgart, DE;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F15B / ; F15B / ;
U.S. Cl.
CPC ...
91451 ; 91459 ; 13762565 ; 13759617 ;
Abstract

As a result of an appropriate displacement of the control member, a connection of a fluid unit can, for pressure relief, be connected to a line leading to a low-pressure reservoir or be isolated from this line and/or, for the exertion of pressure, connected to a connection of a pressure source. Should the control member jam and be incapable of following an appropriate actuating stroke of a servomotor into the pressure-relieving position, a safety relief valve is opened by means of the actuating stroke.


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