US PATENT SUBCLASS 165 / 243
.~.~ Means to reset supply air temperature or supply water temperature as function of heat load

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}
243.~.~ Means to reset supply air temperature or supply water temperature as function of heat load

DEFINITION

Classification: 165/243

Means to reset supply air temperature or supply water temperature as function of heat load:

(under subclass 201) Subject matter wherein the system supplies air or water to heat or cool said area; and wherein means is provided to alter a preset temperature setting of said supply air or water in response to a change in heating or cooling requirement in the area.

(1) Note. An example of heat load: temperature difference between set point and measured temperature of an area, temperature difference between a chosen reference temperature and a measured outdoor temperature, etc.

SEE OR SEARCH CLASS

236, Automatic Temperature and Humidity Regulation,

34, and 36 for automatic control of cooling or heating radiators; subclass 91 for thermostatic control of hot and cold with at least one temperature sensor for temperature modifying media.