US PATENT SUBCLASS 165 / 205
.~.~ Plural temperature regulators for plural zones

Current as of: June, 1999
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165 /   HD   HEAT EXCHANGE

200  DF  WITH TIMER, PROGRAMMER, TIME DELAY, OR CONDITION RESPONSIVE CONTROL {14}
201  DF  .~ Having heating and cooling capability {13}
205.~.~ Plural temperature regulators for plural zones {8}
206  DF  .~.~.~> Nonbuilding system (e.g., machine tool, chemical analyzer, etc.)
207  DF  .~.~.~> Refrigeration system having an evaporator or condenser in each zone
208  DF  .~.~.~> Central system prioritizes heating and cooling requests from zones
209  DF  .~.~.~> Supervisory central control means overrides zone controller
210  DF  .~.~.~> Heat balancing using waste heat or cold (e.g., heat reclaim, etc.)
211  DF  .~.~.~> Different conditioning means for perimeter zone and core zone
212  DF  .~.~.~> Central temperature conditioned air supplied to each zone {4}
218  DF  .~.~.~> Central temperature conditioned liquid supplied to each zone {1}

DEFINITION

Classification: 165/205

Plural temperature regulators for plural zones:

(under subclass 201) Subject matter including a plurality of distinct areas which are heated or cooled, wherein each areas

has its own area control means comprising a temperature sensor and a temperature setter.

SEE OR SEARCH CLASS

236, Automatic Temperature and Humidity Regulation,

1, for zone control for heating and cooling medium; subclass 49.3 for electrically actuated ventilator; and subclass 49.4 for pneumatically actuated ventilator.