US PATENT SUBCLASS 236 / 54
.~.~ Thermostatic pilot


Current as of: June, 1999
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236 /   HD   AUTOMATIC TEMPERATURE AND HUMIDITY REGULATION

*  DD  TRAPS {3}
*  DD  .~ Pressure-operated valve {1}
54.~.~ Thermostatic pilot


DEFINITION

Classification: 236/54

(under the class definition) Automatic steam-traps with a pressure-motor for operating the drain-valve and a thermostatically-operated pilot-valve for controlling the action of the motive fluid on the pressure-motor.

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80, for the control in other combinations.

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137, Fluid Handling,

191, and 195 for steam traps responsive to liquid level operated by float controlled servo or pilot.