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Thermosyphon heat pipe hot water appliance

  • US 4,421,100 A
  • Filed: 12/22/1981
  • Issued: 12/20/1983
  • Est. Priority Date: 12/20/1983
  • Status: Expired due to Fees
First Claim
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1. In a fluid heater assembly, the combination comprising(a) a solar collector having an inlet for a first fluid to be heated, and an outlet for the solar heated fluid,(b) a metallic tank for containing heat transfer second fluid,(c) first ducting in the tank in communication with said collector outlet to receive said heated first fluid and to transfer heat therefrom to the second fluid in the tank,(d) and second ducting in the tank for passing third fluid into and out of the tank, and to transfer heat from the second fluid in the tank to third fluid in the second ducting,(e) and including metallic structure via which heat is conducted from said first ducting to said second ducting, said first and second ducting includes generally longitudinally extending stretches in the tank contacted by said metallic structure which extends generally laterally in said second fluid,(f) said metallic structure comprising webbing contacting said first and second ducting and said tank,(g) said first and second ducting extending through said webbing the periphery of which is in heat transfer proximity to the tank wall extending about the ducting.

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