Coupling for mixing lotions or other liquids with shower water

Details Coupling for mixing lotions or other liquids with shower water Coupling for mixing lotions or other liquids with shower water

1988-10-31

1990-02-20

Nilson, Robert G.

Fluid handling

Systems

Multiple inlet with single outlet

239318, B01F 504

Patent

active

049017659

ABSTRACT:
A coupling (10) for being mounted between the threaded end of the arm (16) of a shower through which water flows and the showerhead (18) for mixing liquid into shower water. The coupling (10) includes a coupling body (20) having an inlet portion and an outlet portion with a flow path defined therebetween. A mixing chamber (32) is mounted in fluid communication with the flow path through the coupling body (20) which serves to selectively mix liquid such as body lotion with the water. In this regard, a vacuum generated by a venturi serves to draw the liquid into the mixing chamber. The vacuum is selectively controlled by a vacuum actuator (52) which holds the vacuum until the shower is turned off.

REFERENCES:
patent: 2690717 (1954-10-01), Goodrie
patent: 3072137 (1963-01-01), McDougall
patent: 3333601 (1967-08-01), Lofgreen
patent: 4121773 (1978-10-01), Headen
patent: 4218013 (1980-08-01), Davison
patent: 4358056 (1982-11-01), Greenhut
patent: 4607793 (1986-08-01), Eberle
patent: 4651930 (1987-03-01), Magaha
patent: 4697610 (1987-10-01), Bricker

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