Automatic temperature and humidity regulation – Thermostatic – In fluid controlled
Patent
1987-05-08
1989-08-08
Wayner, William E.
Automatic temperature and humidity regulation
Thermostatic
In fluid controlled
4192, 1376242, G05D 2300
Patent
active
048544990
ABSTRACT:
A temperature sensitive shower diverter valve and method for diverting shower water used between a source of shower water and a shower head to control the flow of water to the shower head. The diverter valve is positioned between the wall outlet pipe and the shower head. The valve has an inlet port connected to the outlet pipe, a first outlet port connected to the shower head, and a second outlet port for diverting the water to a wall or a corner of the shower. A temperature sensitive directing means directs the water entering the inlet port to the first outlet port when the temperature of the water is within a range between first and second temperatures for use by the bather and diverts the water to the second outlet port when the temperature of the water is outside of the range. The diverting valve automatically resets when water having a satisfactory temperature returns. An electrical embodiment uses a temperature sensor and a microprocessor to control a rotary valve. One non-electrical embodiment uses two bimetallic disks for sensing the water temperature to mechanically seal off ports to direct the water. Another non-electrical embodiment utilizes two bimetallic disks in a fluidic valve having a water jet to control the jet by allowing a vacuum to be created on one side.
REFERENCES:
patent: 1978623 (1934-10-01), Clifford
patent: 3989066 (1976-11-01), Sturman et al.
patent: 4563780 (1986-01-01), Pollack
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