US PATENT SUBCLASS 62 / 3.3
.~.~ Heat pump, selective heating and cooling

Current as of: June, 1999
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62 /   HD   REFRIGERATION

3.1  DF  USING ELECTRICAL OR MAGNETIC EFFECT {1}
3.2  DF  .~ Thermoelectric; e.g., peltier effect {5}
3.3.~.~ Heat pump, selective heating and cooling

DEFINITION

Classification: 62/3.3

Heat pump, selective heating and cooling:

(under subclass 3.2) Process or apparatus wherein the thermoelectric unit moves thermal energy from one location to another, and can be used alternatively to either heat or cool an object.

(1) Note. The change in function is usually accomplished by reversing the flow of electricity within the unit.