Building cooling and pool heating system

Claim 2

For use in cooling a building and warming a swimming pool, a system comprising a compressor, condenser means, an evaporator in cooling association with the interior of said building, and refrigerant conduit means for connecting said compressor, condenser means and evaporator in a conventional phase-change refrigeration circuit having a phase-change refrigerant therein, said condenser means having a first passageway for conducting the refrigerant therethrough and a second passageway in heatconducting association with said first passageway, said second passageway having an inlet end and an exhaust end, a water pump, and water conduit means for inter-connecting said swimming pool, said pump, the inlet end of said second passageway and the exhaust end of said second passageway such that water is pumped through said second passageway, an auxiliary evaporator connected in said refrigeration circuit in parallel with said firstmentioned evaporator, said auxiliary evaporator being positioned externally to said building, and second thermostatically controlled valve means for by-passing said first-mentioned evaporator and conducting the refrigerant through said auxiliary evaporator when the temperature in said building decreases to a predetermined level.

Claim 3

The invention of claim 1 in which said second valve means includes a valve between said condenser means and the first-mentioned evaporator and an alternate valve between said condenser means and said auxiliary evaporator, said valves being operatively connected such that opening of one valve closes the other valve.

Claim 4

For use in cooling a building and warming a swimming pool, a system comprising a compressor, condenser means, an evaporator in cooling association with the interior of said building, and refrigerant conduit means for connecting said compressor, condenser means and evaporator in a conventional phase-change refrigeration circuit having a phase-change refrigerant therein, said condenser means having a first passageway for conducting the refrigerant therethrough and a second passageway in heat-conducting association with said first passageway, said second passageway having an inlet end and an exhaust end, a water pump, and water conduit means for inter-connecting said swimming pool, said pump, the inlet end of said second passageway and the exhaust end of said second passageway such that water is pumped through said second passageway, said condenser means including, in series with said first passageway, an aircooled condenser through which said refrigerant flows, and first thermostatically-controlled valve means for connecting said compressor directly to said air-cooled condenser and bypassing said first passageway when the water temperature of said swimming pool increases to a predetermined level, an auxiliary evaporator connected in said refrigeration circuit in parallel with said first-mentioned evaporator, said auxiliary evaporator being positioned externally to said building, and second thermostatically-controlled valve means for by-passing said first-mentioned evaporator and conducting the refrigerant through said auxiliary evaporator when the temperature in said building decreases to a predetermined level.

Claim 5

For use in cooling a building and warming a swimming pool, a system comprising a compressor, condenser means, an evaporator in cooling association with the interior of said building, and refrigerant conduit means for connecting said compressor, condenser means and evaporator in a conventional phase-change refrigeration circuit having a phase-change refrigerant therein, said condenser means having a first passageway for conducting the refrigerant therethrough and a second passageway in heat-conducting association with said first passageway, said second passageway having an inlet end and an exhaust end, a water pump, and water conduit means for inter-connecting said swimming pool, said pump, the inlet end of said second passageway and the exhaust end of said second passageway such that water is pumped through said second passageway, said condenser means including, in series with said first passageway, an aircooled condenser through which said refrigerant flows, and first thermostatically-controlled valve means for connecting said compressor directly to said air-cooled condenser and bypassing said first passageway when the water temperature of said swimming pool increases to a predetermined level, an auxiliary evaporator connected in said refrigeration circuit in parallel with said first-mentioned evaporator, said auxiliary evaporator being positioned externally to said building, and second thermostatically-controlled valve means for by-passing said first-mentioned evaporator and conducting the refrigerant through said auxiliary evaporator when the temperature in said building decreases to a predetermined level.

Claim 6

For use in cooling a building and heating a swimming pool, a system comprising condenser means providing a refrigerant passageway in heat-conducting relation with the water in said pool, an evaporator in cooling association with the interior of said building, a compressor, and refrigerant conduit means for connecting said condenser means, evaporator, and compressor in a conventional phase-change refrigeration circuit having a phase-change refrigerant therein, said condenser means providing, in addition to and in series with said first-mentioned passageway, an air-cooled refrigerant passageway, first thermostatically controlled valve means for connecting said compressor directly to said air cooled passageway and by-passing said first-mentioned passageway in heat-conducting relation to the water when the temperature of the water in the pool increases to a predetermined level, an auxiliary evaporator connected in said refrigeration circuit in parallel with said first-mentioned evaporator, said auxiliary evaporator being positioned externally to said building, and second thermostatically-controlled valve means for by-passing said first-mentioned evaporator and conducting the refrigerant through said auxiliary evaporator when the temperature in said building decreases to a predetermined level.

Claim 7

For use in cooling a building and heating a swimming pool, a system comprising condenser means providing a refrigerant passageway in heat-conducting relation with the water in said pool, an evaporator in cooling association with the interior of said building, a compressor, and refrigerant conduit means for connecting said condenser means, evaporator, and compressor in a conventional phase-change refrigeration circuit having a phase-change refrigerant therein, said condenser means providing, in addition to and in series with said first-mentioned passageway, an air-cooled refrigerant passageway, first thermostatically controlled valve means for connecting said compressor directly to said air cooled passageway and by-passing said first-mentioned passageway in heat-conducting relation to the water when the temperature of the water in the pool increases to a predetermined level, an auxiliary evaporator connected in said refrigeration circuit in parallel with said first-mentioned evaporator, said auxiliary evaporator being positioned externally to said building, and second thermostatically-controlled valve means for by-passing said first-mentioned evaporator and conducting the refrigerant through said auxiliary evaporator when the temperature in said building decreases to a predetermined level.