Automatic temperature and humidity regulation – Mixing fluid of dissimilar temperature – Mixing valve with temperature motive means
Patent
1998-01-23
1999-11-09
Tapolcai, William E.
Automatic temperature and humidity regulation
Mixing fluid of dissimilar temperature
Mixing valve with temperature motive means
137606, G05D 2313
Patent
active
059797754
ABSTRACT:
A bathing water pre-mix system, for attaching to an existing plumbing system and supplying temperature regulated water to a user. A mixing tank has a hot water inlet and cold water inlet that is attached to the existing plumbing system. The mixing tank has at least one outlet for dispensing water from the mixing tank, preferrably through a shower head. A desired temperature control allows the user to set a desired water temperature. A pair of solenoid valves control water flow at the hot water inlet and cold water inlet in an attempt at achieving the desired water temperature within the mixing tank. A water level indicator informs the user about the water level within the mixing tank. When a sufficient volume of water is present in the mixing tank at the desired temperature, water flow into the tank is halted, and the water in the mixing tank is dispensed to the user through the outlet. The mixing tank and outlet may be configured so that the mixing tank is not normally fully depleted, but leaves a reserve supply which may be accessed in the event of an emergency.
REFERENCES:
patent: 1153547 (1915-09-01), Finney
patent: 1532543 (1925-04-01), Newcomb
patent: 2828766 (1958-04-01), Postmus
patent: 4558817 (1985-12-01), Kiendl
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