Cold/hot water discharging apparatus

Details Cold/hot water discharging apparatus Cold/hot water discharging apparatus

1987-12-22

1988-09-06

Tanner, Harry B.

Automatic temperature and humidity regulation

Mixing fluid of dissimilar temperature

Mixing valve with temperature motive means

236 46F, 13762415, G05D 2313

Patent

active

047687053

ABSTRACT:
This invention relates to a cold/hot water discharging apparatus which is used for cold/hot water massage shower, and the like. In order to alternately switch and supply hot water of a predetermined temperature supplied from a hot water source to a discharge portion, a valve of a cold/hot water mixing tap is driven by a motor and is reciprocated in a pre-set period between a position where high temperature hot water is discharged and low temperature hot water is discharged. In each of the periods for discharging low/high temperature hot water, an optimum gain of this period is determined from the previous period and previous gain so as to shorten the discharge period of cold/hot water and to obtain a stable curve of the discharge hot water.

REFERENCES:
patent: 3721386 (1973-03-01), Brick et al.
patent: 4322031 (1982-03-01), Gehlert
patent: 4501261 (1985-02-01), Tsutsui et al.
patent: 4674678 (1987-06-01), Knebel et al.

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