US PATENT SUBCLASS 137 / 625.62
.~.~.~.~.~ Opposed orifices; interposed modulator

Current as of: June, 1999
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137 /   HD   FLUID HANDLING

561 R  DF  SYSTEMS {32}
625  DF  .~ Multi-way valve unit {12}
625.2  DF  .~.~ Supply and exhaust {4}
625.6  DF  .~.~.~ Pilot-actuated {3}
625.61  DF  .~.~.~.~ Variable orifice-type modulator {1}
625.62.~.~.~.~.~ Opposed orifices; interposed modulator

DEFINITION

Classification: 137/625.62

(under subclass 625.61) Device having two lines, each having an opening discharging toward the other, and wherein the restrictor is located between the orifices and movable to lower the pressure in one line and increase the pressure in the other.