Device and method for influencing the periodic stroke movement of the closing element of a valve
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United States of America Patent
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Nov 10, 1998
Grant Date -
N/A
app pub date -
Jul 28, 1995
filing date -
Jul 29, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
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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