US PATENT SUBCLASS 62 / 324.1
REVERSIBLE, I.E., HEAT PUMP

Current as of: June, 1999
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62 /   HD   REFRIGERATION

324.1REVERSIBLE, I.E., HEAT PUMP {6}
324.2  DF  .~> With cooling apparatus other than gas compressor
324.3  DF  .~> With product treatment
324.4  DF  .~> With refrigerant collection and intermittent discharge
324.5  DF  .~> With atmospheric condensate removal or prevention
324.6  DF  .~> With flow control or compressor details
325  DF  .~> External fluid flow reversed

DEFINITION

Classification: 62/324.1

REVERSIBLE, I.E., HEAT PUMP:

(under the class definition) Apparatus in which there is

means to reverse flow through a refrigeration cycle or parts thereof so as to reverse the functions of the heat absorbing or rejecting means, or there is means to change the flow direction of an external fluid (air) so that it may be selectively heated or cooled.

SEE OR SEARCH THIS CLASS, SUBCLASS:

80+, for processes of defrosting.

154, for automatic control of defrosting.

160, for reversible heat pump with automatic control.

238.1+, for related combinations wherein the rejected heat may be utilized in a disparate apparatus, e.g., hot water producer.

260, for a refrigerator including subterranean features. 278, for reversible heat pump acting to remove atmosphere condensate, e.g., defrost.

SEE OR SEARCH CLASS

165, Heat Exchange,

62, for combined heating and cooling by a modifiable refrigerating system.