US PATENT SUBCLASS 62 / 478
.~.~.~ Evaporator-condenser unit

Current as of: June, 1999
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62 /   HD   REFRIGERATION

467  DF  REFRIGERATION PRODUCER {7}
476  DF  .~ Sorbent type {11}
477  DF  .~.~ Absorber-still, e.g., intermittent {4}
478.~.~.~ Evaporator-condenser unit

DEFINITION

Classification: 62/478

(under subclass 477) Apparatus connected to another unit acting alternately as a condenser and then as an evaporator.

(1) Note. This type of unit is commonly known as "icy-balls".