SPA SYSTEM WITH FLOW CONTROL FEATURE
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United States of America Patent
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Issued Date -
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app pub date -
Dec 13, 2011
filing date -
Jan 12, 2007
priority date (Note) -
Abandoned
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Abstract
A spa system comprising a tub, a circulation system and a controller is provided. The tub holds water and has an outlet port and an inlet port. The circulation system has a pump assembly, including a motor driving a pump, to circulate water from the outlet port to the inlet port. The speed of the motor can be set at different speeds by the controller in response to user inputs to adjust the flow rate of the water discharged into the tub through the inlet port. Alternatively, or in addition, the speed of the motor can be set at different speeds by the controller depending one whether a water heater positioned in fluid communication with the pump assembly is in a heating mode or in a non-heating mode. In some implementations, the motor used to drive the pump is a BLDC motor.
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