Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor
Patent
1995-07-28
1998-11-10
Thorpe, Timothy
Valves and valve actuation
Fluid actuated or retarded
Pilot or servo type motor
417446, 417298, 91 35, 91407, 91450, F16K 3112
Patent
active
058332090
ABSTRACT:
To influence the periodic stroke movement of the closing element of a valve, a control cylinder working on the closing element in the stroke direction is provided, which can be acted upon or released by a control element periodically with pressure medium. The control element is connected in the supply or discharge conduit of the pressure medium and can variably accelerate or slow its pressure formation or release and with it also the stroke movement of the closing element, at last gradually. Thus a partially or completely automatic control of compressor valves, for example, can be made possible in a simple manner.
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Hoerbiger Ventilwerke Aktiengesellschaft
Thorpe Timothy
Tyler Cheryl J.
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