Fluid flow and temperature control apparatus

Details Fluid flow and temperature control apparatus Fluid flow and temperature control apparatus

1993-08-10

1994-10-25

Sollecito, John M.

Automatic temperature and humidity regulation

Mixing fluid of dissimilar temperature

Mixing valve with temperature motive means

137606, 137486, 137332, 236 93R, B05D 2313

Patent

active

053581776

ABSTRACT:
Apparatus is provided to supply a liquid, for example water, at a constant temperature, for example to a shower by mixing two supplies of the liquid, one hot and the other cold. Control of the output temperature is effected by measuring and controlling the flow rate in one or both of the supplies by way of flow meters having a rapid response time and motor driven valves.
In the case where the flow rates in both supplies are measured and controlled it is possible further to control the output flow rate in addition to and independently from the output temperature, also by controlling the flow rates in the supplies.
Further accuracy may be achieved by sensing the input supply temperatures in addition to the flow rates.

REFERENCES:
patent: 3079950 (1963-03-01), Rimsha
patent: 4711392 (1987-12-01), Kidouchi et al.
patent: 4909435 (1990-03-01), Kidouchi et al.
patent: 4969598 (1990-11-01), Garris

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