Hot water distribution system

Details Hot water distribution system Hot water distribution system

1985-06-03

1986-12-16

Bennett, Henry

Stoves and furnaces

Liquid heater

Boiler receiving hot liquid or steam from stove or furnace

417 12, F24H 100

Patent

active

046289020

ABSTRACT:
A hot water distribution system for providing almost instantaneous supply of hot water at a hot water usage outlet. The system of the invention comprises a closed loop and a pump circulating hot water in the closed loop from a supply of hot water and back to the supply of hot water. One or more usage outlets are connected to the closed loop each by a relatively short length of pipe. A one-way check valve prevents drawing water from the return line of the closed loop. Heat insulation of the closed loop is provided to prevent unnecessary heat losses, and a thermally operated switch may be used to control the operation of the closed loop circulation pump to maintain the water in the closed loop at a predetermined temperature.

REFERENCES:
patent: 1730736 (1929-10-01), Knudsen
patent: 2007872 (1935-07-01), Oliphant
patent: 2233050 (1941-02-01), Groeniger
patent: 3096021 (1963-07-01), Lintvedt
patent: 3111942 (1963-11-01), Miller
patent: 3383495 (1968-05-01), Laube et al.
patent: 3941118 (1976-03-01), Schutte
patent: 4201518 (1980-05-01), Stevenson
patent: 4321943 (1982-03-01), Haws

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