US PATENT SUBCLASS 62 / 228.5
.~.~.~ By variable compressor output, e.g., unloading, staging, etc.


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}
228.5.~.~.~ By variable compressor output, e.g., unloading, staging, etc.


DEFINITION

Classification: 62/228.5

By variable compressor output (e.g., unloading, staging, etc.):

(under subclass 228.1) Apparatus in which the output of a single compressor or the combined output of a plurality of compressors is varied as a function of a sensed compressor operating condition, e.g., compressor unloading, compressor staging.

SEE OR SEARCH THIS CLASS, SUBCLASS:

176.3, for control of plural compressors controlled by humidity.

510, for plural compressors.

SEE OR SEARCH CLASS

236, Automatic Temperature and Humidity Regulation,

1, for refrigeration system staging.