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Solar heater/cooler assembly

  • US 3,970,069 A
  • Filed: 02/24/1975
  • Issued: 07/20/1976
  • Est. Priority Date: 02/24/1975
  • Status: Expired due to Term
First Claim
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1. A swimming pool solar heater/cooler primarily designed for use with a swimming pool pump/filter system comprising heat exchanger means, inlet conduit means in fluid transmitting communication with said heat exchanger means, outlet conduit means in fluid transmitting communication with said heat exchanger means, first valve means in flow termination contact with said inlet conduit means, check valve means in said inlet conduit means, first T-connector means in fluid driving communication with the flow line of the pool pump/filter system and said inlet conduit means, second T-connector means in fluid dividing communication with the flow line of the pool pump/filter system and said outlet conduit means and located downstream from said first T-connector means, second valve means in flow terminating relation with the flow line from the pool pump/filter system and located substantially between said first T-connector and said second T-connector, said heat exchanger means further comprising substantially hollow linear tube means, substantially hollow, generally U-shaped tube means fluidly connecting said linear tube means to form coils of said heat exchanger means, said heat exchanger means further comprises substantially solar radiation resistant heat absorbing plastic tube means, temperature difference sensing means located in temperature sensing communication with said inlet and outlet conduit means, cross connect conduit means substantially in fluid communication between said inlet and outlet conduit means, automatic valve means located substantially in said cross connect conduit means and in responsive communication with said temperature difference sensing means.

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