Hot water only-on-request faucet system

Details Hot water only-on-request faucet system Hot water only-on-request faucet system

2006-02-21

2006-02-21

Fox, John (Department: 3753)

Fluid handling

Faucets and spouts

C004S677000

Reexamination Certificate

active

07000637

ABSTRACT:
A modified single-handled faucet is configured to permit the faucet to dispense hot water only if the operator actuates a hot water demand switch. The control valve couples the outlet of the faucet to the cold water source unless the operator actuates the hot water demand switch, and thereafter permits water to be dispensed from the hot water source, preferably via a conventional mixing valve that mixes hot and cold water in a desired proportion prior to dispensing the mixed stream.

REFERENCES:
patent: 4077545 (1978-03-01), Karls
patent: 4709728 (1987-12-01), Ying-Chung
patent: 4738280 (1988-04-01), Oberholtzer
patent: 5323803 (1994-06-01), Blumenauer
patent: 5551630 (1996-09-01), Enoki et al.
patent: 5606987 (1997-03-01), Weber
patent: 6019130 (2000-02-01), Rump
patent: 6109288 (2000-08-01), Al-Hamian

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