Fluid sprinkling – spraying – and diffusing – Including supply holder for material – To be mixed – dissolved or entrained in a flowing liquid...
Patent
1981-10-19
1984-08-28
Love, John J.
Fluid sprinkling, spraying, and diffusing
Including supply holder for material
To be mixed, dissolved or entrained in a flowing liquid...
13710111, 1375645, 239313, 239315, 239447, 239449, B05B 903
Patent
active
044679645
ABSTRACT:
A mixing device is disclosed for the purpose of mixing a first fluid with a second fluid contained in a pressurized stream. The device includes a first fluid chamber for holding the first fluid, which includes a closure surface, an inlet, and an outlet, a second fluid inlet, a second fluid outlet, a second fluid circuit for directing the second fluid stream from the second fluid inlet to the second fluid outlet, a membrane slidably contained within the first fluid chamber and having one surface facing the closure surface, and an orifice between the membrane surfaces so that the first fluid can flow through that orifice, a spring in contact with the inner surface of the membrane to normally urge its surface against the closure surface in order to prevent the flow of the first fluid through the orifice, a second fluid valve for selectively directing at least a portion of the second fluid stream through the inlet of the first fluid chamber against the outer surface of the membrane so as to urge it against the spring and thereby separate the surface of the membrane from the closure surface and permit the first fluid to flow through the orifice and mix with the second fluid to create a fluid mixture, and a fluid mixture conduit for directing the fluid mixture thus prepared from the outlet of the first fluid chamber to the second fluid outlet. This mixing device can thus be incorporated into a shower head or the like so as to permit the shower head to be operated either with the second fluid alone, or with a mixture of first and second fluids, and at the same time preventing any flow of first fluid when there is no flow of the second fluid.
REFERENCES:
patent: 1476090 (1923-12-01), Lipsner et al.
patent: 1579869 (1926-04-01), Klages
patent: 3018969 (1962-01-01), Gentry
patent: 3342419 (1967-09-01), Weese
patent: 4203550 (1980-05-01), On
Forman Michael J.
Love John J.
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