Dispensing – Automatic control – Temperature responsive or soluble controller
Patent
1998-02-02
1999-08-31
Recla, Henry J.
Dispensing
Automatic control
Temperature responsive or soluble controller
222250, 126362, 4598, B67D 508
Patent
active
059442212
ABSTRACT:
In a hot and cold water distribution system wherein the hot water is delivered from a water heater to a distant hot water tap adjacent a cold water tap, a hot water recirculation pump assembly purges the hot water line of any cooled-down water in order to assure instant hot water delivery when the hot water tap is opened. The volume of water drawn from the hot water line is flushed back through the hot water line by admission of an equal amount of water that was stored within a tank. That volume of water is pumped back into the tank, and automatically replaced by hot water drawn from the water heater.
REFERENCES:
patent: 3483666 (1969-12-01), Harmes et al.
patent: 5042524 (1991-08-01), Lund
Laing Johannes Nikolaus
Laing Karsten Andreas
Nguyen Tuan
Recla Henry J.
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