Reducing valve assembly with spherically shaped operating part
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United States of America Patent
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May 1, 1990
Issued Date -
N/A
app pub date -
Sep 29, 1988
filing date -
Oct 30, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a reducing valve assembly having a fluid inlet port and a fluid outlet port with a main valve for controlling flow between the inlet and outlet port, the main valve includes a main valve member which is actuated by an operating piston including a piston rod. In order to improve the flow characteristics of the assembly, a movable wall of the piston which transmits displacement through the piston rod to the valve member is connected with the piston rod by shaping the wall extending therebetween with a spherically curved configuration outwardly in a diametral direction from the piston rod.
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