A - Human Necessities – 61 – H
Patent
A - Human Necessities
61
H
A61H 33/02 (2006.01) F04D 15/00 (2006.01) G05B 19/04 (2006.01) G05D 7/06 (2006.01)
Patent
CA 2445194
A method and device for controlling the intensity of flow of water leaving a single speed water pump and entering a spa tub. A single speed water pump is connected to a spa tub via a pump suction pipe and a pump outlet pipe. The single speed water pump has its suction connected to the spa tub and sucks water out of the spa tub via the pump suction pipe. A controller is electrically connected to at least one air valve and the air valve is connected to the pump suction pipe. The controller opens the air valve to allow air into the pump suction. Air from the air valve mixes with water pumped from the tub to create an air/water mixture. The air water mixture is pumped back into the spa tub via the pump outlet pipe. The intensity of the flow of the air water mixture back into the spa tub depends upon the amount of air allowed into the air/water mixture via the air valve. Preferably, the controller is programmed with programming instructions to vary the intensity of the flow of the air/water mixture back into the spa tub. Also, several air valves may be utilized to provide a range of air flows.
9090-3493 Quebec Inc.
Groupe Gecko Alliance Inc.
Smart & Biggar
LandOfFree
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