US PATENT SUBCLASS 62 / 224
.~.~.~.~ By condition at low side

Current as of: June, 1999
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62 /   HD   REFRIGERATION

132  DF  AUTOMATIC CONTROL {19}
190  DF  .~ Refrigeration producer {12}
216  DF  .~.~ Of or by evaporation zone {4}
222  DF  .~.~.~ Of expansion valve or variable restrictor {2}
224.~.~.~.~ By condition at low side {1}
225  DF  .~.~.~.~.~> At or beyond evaporator outlet, i.e., superheat

DEFINITION

Classification: 62/224

(under subclass 222) Apparatus responsive to a condition on the low side, i.e., between expansion means and a source of suction.

SEE OR SEARCH THIS CLASS, SUBCLASS:

206, for high and low side response.

212, for plural sensors on the low side.