Proportioning valve with pressure port communicating with stepped area of differential piston
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United States of America Patent
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Mar 27, 1984
Grant Date -
N/A
app pub date -
Mar 23, 1982
filing date -
Mar 27, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A pressure reducing valve is constricted with a stepped piston affording a pressure responsive area on one side responsive to the pressure at an output port and a smaller pressure responsive area on the other side, contained between the seals of the two piston diameters and responsive to the pressure at an input port, the piston carrying a self lapping valve assembly connected via a passage to the smaller area for controlling the pressure at the output port in relation to that at the input port.
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