Baths – closets – sinks – and spittoons – Tubs – Means for agitating or circulating water in a tub
Patent
1991-01-10
1993-03-30
Phillips, Charles E.
Baths, closets, sinks, and spittoons
Tubs
Means for agitating or circulating water in a tub
A61H 3302
Patent
active
051971534
ABSTRACT:
An air bubble generating device for use in a bathtub has a casing with an electric pump operative to take in and pressurize water from the bathtub, an air inlet operative to take in air from a region above the water in the bathtub, and a nozzle operative to jet a mixture of air taken in by the air inlet and water taken in and pressurized by the electric pump. The casing is provided with means for gripping by hand and a plurality of suction cups on a rear side opposite the nozzle for attaching the casing to the inner wall surface of the bathtub. A power source unit for driving the electric pump is separate from the casing, and may convert power from a commercial power source to a DC current or house a DC secondary battery. The power source may be provided with an idling prevention circuit for suspending output current when the pump is in an idle state, and a rush current reducing circuit for reducing rush current when the electric pump is actuated.
REFERENCES:
patent: 3806964 (1974-04-01), Vanegas et al.
patent: 4924535 (1990-05-01), Yamasaki
patent: 4957101 (1990-09-01), Hara
patent: 4984313 (1991-01-01), Hara
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