US PATENT SUBCLASS 126 / 587
.~.~.~.~ Differential temperature control

Current as of: June, 1999
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126 /   HD   STOVES AND FURNACES

569  DF  SOLAR HEAT COLLECTOR {18}
572  DF  .~ With control means energized in response to actuator stimulated by condition sensor {3}
583  DF  .~.~ Of fluent medium {4}
585  DF  .~.~.~ Temperature responsive {4}
587.~.~.~.~ Differential temperature control

DEFINITION

Classification: 126/587

Differential temperature control:

(under subclass 585) Apparatus wherein a difference between two temperatures is measured and in response to such measurement, a device is actuated to such measurement, a device is actuated to operate a function of the converting means. [figure] [caption]Solar heating system. A solar connector. A double storage device connected to the collector to provide coolest possible heat transport medium at beginning of each day's collection and to control collector input temperature hence maximum collection efficiency. The first storage device has a capacity for approximately one day's operation. The second storage device has a capacity for several days' operation. The operation of the storage devices are controlled so that the first storage device is heated first and when the first storage device is heated sufficiently then the second storage device is heated. The operation of the storage device is used first for heating and when the first storage device is depleted of

useable heat then the second storage device is used.