Device for passive heat transport and integrated solar collector incorporating same

  • US 4,467,862 A
  • Filed: 11/12/1982
  • Issued: 08/28/1984
  • Est. Priority Date: 08/07/1980
  • Status: Expired due to Term
First Claim
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1. A device for passively transporting heat in any direction, particularly downwards, from a heat source to a heat sink, which device comprises a boiler having walls for heating a working fluid, a container for condensing vapour of the heated working fluid, means for transferring the said vapour from the boiler to the condenser, means for transferring the working fluid from the condenser to the boiler, the said working fluid being compelled from the condenser to the boiler, when the device is in use, by expansion of a compressible medium stored in the condensor, which medium is additionally compressed by the vapour of the working fluid when the device is used, said transfer means for the vapour and for the working fluid being provided with self-actuated one-way control valves and means in said boiler to prevent immediate contact between the working fluid entering the boiler and said walls of the boiler.

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