Whirlpool tub with automatic pre-flushing of the system

Details Whirlpool tub with automatic pre-flushing of the system Whirlpool tub with automatic pre-flushing of the system

1989-11-30

1991-05-07

Recla, Henry J.

Baths, closets, sinks, and spittoons

Tubs

Means for agitating or circulating water in a tub

4544, A61H 3302

Patent

active

050125354

ABSTRACT:
A tub including a fluid system has a pump which includes a suction side and a pressure side; a nozzle for introducing a water-and-air mixture into the tub; the nozzle having a nozzle portion; a pressure line connecting the pressure side of the pump with the nozzle portion; a suction opening provided in a bottom region of the tub; and a suction line connecting the suction side of the pump with the suction opening. The fluid system further has a valve provided in the nozzle portion for cutting off fluid flow to the tub; an overflow line having a closable vent opening and being coupled to the suction side of the pump; a device for selectively allowing or blocking fluid communication between the overflow line and the suction line of the pump; and a supply source for introducing a cleaning agent at a location upstream of the nozzle as viewed in a direction of fluid flow therethrough.

REFERENCES:
patent: 4797458 (1989-01-01), Guzzini
patent: 4829607 (1989-05-01), Huse
patent: 4856125 (1989-08-01), Dijkhuizen
patent: 4857112 (1989-08-01), Franninge

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