Fluid handling – Systems – Multiple inlet with single outlet
Patent
1989-06-12
1990-08-21
Rivell, John
Fluid handling
Systems
Multiple inlet with single outlet
137605, 137864, F16K 11085, F16K 11087, F16K 1122
Patent
active
049497537
ABSTRACT:
A device for fluid mixing and flow control in showers, baths, and sinks. Three flow control valves are connected to a mixing chamber. Two of the valves control two inlet channels into the chamber, and the third valve controls the flow out of the chamber. The two inlet valves are linked to operate in unison in opposite phase (one opens when the other closes), providing a variable fluid mixing ratio. The complementary operation of these mixing valves causes their combined flow rate to remain constant while the mixing ratio varies. The third valve controls the total flow rate. This provides independent control of mixture and flow via a simple device. A circular dial can show the control arm positions clearly, allowing quick, absolute adjustment.
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Leo L. R.
Rivell John
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