Mixing device for mixing two fluids, especially hot and cold wat

Automatic temperature and humidity regulation – Mixing fluid of dissimilar temperature – Mixing valve with temperature motive means

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Details

13762541, 236 1217, G05D 2313

Patent

active

046117571

ABSTRACT:
A mixing device for mixing two fluids, in particular cold and hot water, includes a mixing valve and an enclosure which houses at least some component parts. For temperature control the device includes an electric motor which is adapted to turn a movable valve disc of the valve for controlling the temperature. A micro processor with an operating portion, display portion and control portion is provided in the enclosure in connection with a temperature sensor in the water outlet of the valve, and with the electric motor. A display shows the temperature of the fluid, and the operating portion includes two switch knobs or buttons for raising and lowering the fluid temperature. Flow control takes place by means of a turning handle. Through an eccentric linkage rotary motion of the handle is converted to a substantial linear motion of the movable valve disc.

REFERENCES:
patent: 796252 (1905-08-01), Ross et al.
patent: 2017194 (1935-10-01), Zimmerman
patent: 2984388 (1961-05-01), Scarr et al.
patent: 3171441 (1965-03-01), Schonfeld
patent: 3721386 (1973-03-01), Brick et al.
patent: 3951169 (1976-04-01), Loose
patent: 3987819 (1976-10-01), Scheuermann
patent: 4349149 (1982-09-01), Humpert

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