Fluid sprinkling – spraying – and diffusing – Motor or spray fluid operated continuously moving discharge... – Spray fluid operated
Patent
1977-03-18
1979-03-13
Saifer, Robert W.
Fluid sprinkling, spraying, and diffusing
Motor or spray fluid operated continuously moving discharge...
Spray fluid operated
239449, B05B 108
Patent
active
041438213
ABSTRACT:
A conduit is traversed by a screw, which screw may or may not be capable of rotating within the conduit, the screw alone, or the screw together with the conduit, become rotatable around their common axis when fluid under pressure enters from one end of the conduit, exits from the other by traversing the helical path of the screw. The construction in which the screw is rotatable within the conduit is found suitable for producing a pulsating stream of water and for building showerheads for selectively producing different types of streams, such as (a) pulsating stream, (b) spray, and (c) soft bubbly aerated stream. Various valves manually operated by a part of the showerhead perform the selection. The pulsating stream is achieved by a screw having helical threads that makes a snug fit with the inside wall of a cylindrical pipe through which the water flows; the flow rotating the screw which in turn operates a valve that at least partially interrupts the flow of water through an outlet orifice. In the case of a hand-held showerhead, the pipe containing the screw constitutes a handle for the device.
REFERENCES:
patent: 1882241 (1932-10-01), Curran
patent: 2670942 (1954-03-01), Aghnides
patent: 2962224 (1960-11-01), Aghnides
patent: 3473736 (1969-10-01), Heitzman
patent: 3633824 (1972-01-01), Aghnides
patent: 3734410 (1973-05-01), Bruno
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patent: 3811619 (1974-05-01), Aghnides
patent: 3967783 (1976-07-01), Halsted et al.
patent: 3998390 (1976-12-01), Peterson et al.
Encyclopedia Larousse du XX Siecle; copyright 1933; vol. RO-Z; p. 1013.
Encyclopedia Americana; vol. 2; p. 215 (1976).
Encyclopedia Britannica; vol. I; p. 1088 (1974).
Hall William D.
Myers Geoffrey R.
Saifer Robert W.
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