US PATENT SUBCLASS 96 / 254
.~.~.~ Pressure sensitive diaphragm

Current as of: June, 1999
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96 /   HD   GAS SEPARATION: APPARATUS

243  DF  WITH GAS AND LIQUID CONTACT APPARATUS {16}
244  DF  .~ With control means responsive to sensed condition {4}
253  DF  .~.~ Pressure sensing means {1}
254.~.~.~ Pressure sensitive diaphragm

DEFINITION

Classification: 96/254

Pressure sensitive diaphragm:

(under subclass 253) Apparatus in which the pressure sensing means is a reciprocating member in the form of a flat or cup-shaped member of relatively thin deformable material secured at its periphery to its housing.

SEE OR SEARCH CLASS

251, Valves and Valve Actuation,

331, for specific structure of the reciprocating diaphragm valve, per se.