Pump for periodic conveyance of the cooled-down water content of

Details Pump for periodic conveyance of the cooled-down water content of Pump for periodic conveyance of the cooled-down water content of

1996-06-24

1999-08-24

Chambers, A. Michael

Fluid handling

With heating or cooling of the system

Hot and cold water system having a connection from the hot...

137563, 126362, 417 12, F24H 100

Patent

active

059412755

ABSTRACT:
A hot water distribution system incorporating a pump positioned close to, and between each set of hot and cold water taps to which periodically move the cooled-down water content of the hot water distribution line through the cold water distribution line back to the hot water tank until the total content of the hot water line has a predetermined temperature. The pump is provided with a valve responsive to pump-generated pressure to prevent backflow when the pump is not in use and the pressure in the cold water distribution line is lower than the pressure in the hot water distribution line, such as when water is drawn through a cold water tap.

REFERENCES:
patent: 5009572 (1991-04-01), Imhoff et al.
patent: 5143049 (1992-09-01), Laing et al.
patent: 5277219 (1994-01-01), Lund

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