Hydraulic actuating assembly

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United States of America Patent

PATENT NO 9328842
APP PUB NO 20140060684A1
SERIAL NO

13983364

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Abstract

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A hydraulic actuating assembly for valves for controlling process fluid flows includes a valve that is operated by an actuator and that is pre-tensioned in the direction of a closing position. The actuator has a pressure chamber which is active in the opening direction and which can be connected to a low pressure by means of three parallel relief paths. A secondary relief path, which can be activated in a test mode, is provided.

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Patent Owner(s)

  • ROBERT BOSCH GMBH

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Froehlich, Udo Rothenfels, DE 7 38
Tauber, Richard Heigenbruecken, DE 7 156

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