US PATENT SUBCLASS 62 / 228.3
.~.~.~ By refrigerant pressure

Current as of: June, 1999
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62 /   HD   REFRIGERATION

132  DF  AUTOMATIC CONTROL {19}
190  DF  .~ Refrigeration producer {12}
228.1  DF  .~.~ Compressor or its drive controlled {6}
228.3.~.~.~ By refrigerant pressure

DEFINITION

Classification: 62/228.3

By refrigerant pressure:

(under subclass 228.1) Apparatus in which the compressor is controlled by a sensed condition of refrigerant pressure.

(1) Note. The sensed condition here may merely control the compressor in an on-off manner.

SEE OR SEARCH CLASS

417, Pumps,

38, for control of a pump by a liquid pressure sensor.