Hydrotherapy device, method and apparatus

Details Hydrotherapy device, method and apparatus Hydrotherapy device, method and apparatus

1977-07-05

1982-05-18

Granger, Theodore A.

Liquid purification or separation

Processes

Separating

4492, 210169, 2104162, E04H 320

Patent

active

043304125

ABSTRACT:
A hydrotherapy device, such as a spa, whirlpool or jet stream exerciser is connected to a closed water circulation loop having a drain, a pump, a heater, a filter, a valve controlled filter bypass and injection nozzles. The pump is equipped with a close-coupled drive motor having two sets of stator windings for allowing the selection of one of two motor speeds to achieve improved operation and greater efficiency of the hydrotherapy device. A low motor speed is selected during periods of non-use, at which time the filter device is connected into the circulation loop so that a low water circulation rate is provided in order to maintain purity of the water. During periods of use, a higher motor speed is selected and the filter is bypassed to provide a high water circulation rate and high velocity water injection into the hydrotherapy device. Reduced motor speed during periods of non-use results in substantial energy savings and a reduction in the noise generated by the device.

REFERENCES:
patent: 3316937 (1967-05-01), Friedman et al.
patent: 3504795 (1970-04-01), Johnson
patent: 3584980 (1971-06-01), Cawley
patent: 3588649 (1971-06-01), Heine et al.
patent: 3786921 (1974-01-01), Johnson
patent: 3801992 (1974-04-01), Sable
patent: 3828932 (1974-08-01), Schneer
patent: 3943580 (1976-03-01), Carter
patent: 3988787 (1976-11-01), Colee
patent: 4001899 (1977-01-01), Mathis
patent: 4019210 (1977-04-01), Patterson et al.
patent: 4030009 (1977-06-01), Halstern

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