US PATENT SUBCLASS 62 / 160
.~.~ Reversible cycle machine

Current as of: June, 1999
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62 /   HD   REFRIGERATION

132  DF  AUTOMATIC CONTROL {19}
159  DF  .~ Selective heating or cooling {1}
160.~.~ Reversible cycle machine

DEFINITION

Classification: 62/160

(under subclass 159) Apparatus comprising means to reverse flow through a refrigeration producing cycle so as to reverse the function of the heat absorbing or rejecting means of the cycle.