Thermostatic valves

Details Thermostatic valves Thermostatic valves

1989-12-11

1990-12-11

Wayner, William E.

Automatic temperature and humidity regulation

Mixing fluid of dissimilar temperature

Mixing valve with temperature motive means

137606, 251332, F16K 100

Patent

active

049764608

ABSTRACT:
A thermostatic mixing valve is described having separate valves for hot and cold water each with a stepping motor to adjust their positions and connected to a microprocessor using a temperature sensor in a mixing chamber to read the mixed temperature and step the motors individually to adjust the valve positions as required.

REFERENCES:
patent: 2508074 (1950-05-01), Miller et al.
patent: 3036594 (1962-05-01), Salisbury
patent: 3154141 (1964-10-01), Huet
patent: 3171069 (1965-02-01), Koltuniak et al.
patent: 3200839 (1965-08-01), Gallagher
patent: 4310144 (1982-01-01), Nogaki
patent: 4359186 (1982-11-01), Kiendl
patent: 4420811 (1983-12-01), Tarnay et al.

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