Spray nozzle

Details Spray nozzle Spray nozzle

1997-03-25

1998-12-29

Weldon, Kevin

Fluid sprinkling, spraying, and diffusing

Terminal outlet formed between parts mounted for relative...

Axially movable outlet part

239501, B05B 126

Patent

active

058531297

ABSTRACT:
A spray nozzle is disclosed including a valve body with a water inlet and outlet and a helical spray vane at the valve body outlet. A tapered plug carried by the valve stem, corresponding in shape to that of the interior of the helical spray vane, moves with the valve stem to decrease the area of the outlet and thereby reduce the discharge flow rate into the helical spray vane. At the same time, the tapered plug moves into the interior of the helical spray vane, causing a reduction in size of a passage formed between the tapered plug and the interior of the helical spray vane. This reduced passage size serves to maintain the velocity of the fluid as it is directed to the active surface of the helical spray vane, thereby substantially maintaining the size of particles produced by the helical spray vane.

REFERENCES:
patent: Re23413 (1951-10-01), Bete
patent: 664893 (1901-01-01), Petersonn
patent: 1005094 (1911-10-01), Wood et al.
patent: 1081275 (1913-12-01), Nickol
patent: 1549537 (1925-08-01), Hansen
patent: 1980460 (1934-11-01), White
patent: 2612407 (1952-10-01), Bete
patent: 2736608 (1956-02-01), Martin
patent: 3938743 (1976-02-01), Miller
patent: 4510993 (1985-04-01), Luetzelschwab
patent: 4514291 (1985-04-01), McGarry et al.
patent: 4796816 (1989-01-01), Khinchuk
patent: 4976404 (1990-12-01), Ichikawa et al.

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