US PATENT SUBCLASS 126 / 588
.~.~.~.~ Freezing prevention

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}
588.~.~.~.~ Freezing prevention

DEFINITION

Classification: 126/588

Freezing prevention:

(under subclass 585) Apparatus wherein in response to the sensed temperature condition, a device is actuated to prevent the fluent medium from changing to its solid state. [figure] [caption]A self-storing solar heater is disclosed installed on a house trailer with the heater being extendable over a portion of the roof of the trailer to receive the rays of the sun during the day and is stored in a heated compartment on cold days and nights to prevent the water in the solar heater from freezing. A thermostatically controlled motor driven reel retracts the solar heater into the heated storage compartment and a pulley system actuated by the same motor extends the solar heater when heating rays are available from the sun.