US PATENT SUBCLASS 62 / 204
.~.~.~ Including expansion valve or variable restrictor

Current as of: June, 1999
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62 /   HD   REFRIGERATION

132  DF  AUTOMATIC CONTROL {19}
190  DF  .~ Refrigeration producer {12}
203  DF  .~.~ Plural refrigerating producing elements and plural sensors {1}
204.~.~.~ Including expansion valve or variable restrictor {1}
205  DF  .~.~.~.~> Plural variable restrictors in flow line {1}

DEFINITION

Classification: 62/204

(under subclass 203) Apparatus in which at least one of the operative elements is an expansion or variable restrictor controlling the flow of the refrigerant.

SEE OR SEARCH THIS CLASS, SUBCLASS:

216+, for control of or by an evaporation zone in which there is a single control or single valve controlled.