Hydro-jet fitting for hot tub

Details Hydro-jet fitting for hot tub Hydro-jet fitting for hot tub

1977-10-03

1978-10-10

Lutter, Frank W.

Gas and liquid contact apparatus

Contact devices

Injector type

4180, 128369, 261124, A61H 3302

Patent

active

041196864

ABSTRACT:
In a hydro-massage jet fitting for a hot tub wherein the fitting includes a venturi air-induction system which mixes air with water before pumping the water into the tub, there is disclosed an improvement wherein the passageway to conduct air to the fitting extends through the side wall of the tub to an annular space surrounding the body of the fitting and the fitting is modified to conduct the air from this space into the body.

REFERENCES:
patent: 1201395 (1916-10-01), Vissering
patent: 2540948 (1951-02-01), Jeffery
patent: 3067435 (1962-12-01), Nash
patent: 3147015 (1964-09-01), Hanback
patent: 3348330 (1967-10-01), Gilliam
patent: 3402253 (1968-09-01), McGracken
patent: 3452370 (1969-07-01), Jacuzzi
patent: 3627355 (1971-12-01), Reddy
patent: 3905358 (1975-09-01), Jacuzzi
patent: 3946449 (1976-03-01), Mathis
patent: 4000528 (1977-01-01), Posnick

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