Automatic temperature and humidity regulation – Mixing fluid of dissimilar temperature – Mixing valve with temperature motive means
Patent
1981-06-08
1983-09-27
Makay, Albert J.
Automatic temperature and humidity regulation
Mixing fluid of dissimilar temperature
Mixing valve with temperature motive means
236 1215, 68 12R, G05D 2300, D06F 3300
Patent
active
044064012
ABSTRACT:
A microprocessor controlled water temperature control system for a washing machine, such as a clothes or dish washer, is disclosed. Average water fill temperature is calculated periodically and, with one water valve maintained in an on condition, the other water valve is cycled for a percentage on time as calculated by the microprocessor which is required to produce an actual water fill temperature equal to the desired water temperature selected by the user. The single water valve is cycled on and off repetitively over a predetermined cycle time period with the percentage on time being recalculated for each cycle so that the system is capable of adapting to changing inlet water temperatures.
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patent: 4004884 (1977-01-01), Zdrodowski
patent: 4031911 (1977-06-01), Frazar
General Electric Company
Houser H. Neil
Makay Albert J.
Reams Radford M.
Tanner Harry
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