Liquid-spraying nozzle

Fluid sprinkling – spraying – and diffusing – Rigid fluid confining distributor – Having interior filter or guide

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Details

239597, B05B 102

Patent

active

050110837

ABSTRACT:
A liquid-spraying nozzle has a bottom-equipped nozzle body which includes an inner peripheral face formed at an inner bottom portion of the body and coaxial or substantially coaxial with a nozzle axis and a laterally-elongated orifice defined normal or substantially normal to the nozzle axis when viewed from the direction of the nozzle axis. The invention is characterized by a large-diameter peripheral face formed upstream of the inner peripheral face and having a larger inner diameter than the inner peripheral face, a stepped portion formed between the inner peripheral face and the large-diameter peripheral face, and a pair of elongated grooves disposed along the nozzle axis and at positions opposing to each other across a longitudinal center of the orifice of the inner peripheral face. Each elongated groove has a downstream end relative to the spraying direction with an arcuate cross section extending to the vicinity of the orifice and an upstream end opened at the stepped portion.

REFERENCES:
patent: 1490683 (1924-04-01), Straitz
patent: 2985386 (1961-05-01), Steinen
patent: 3358783 (1967-12-01), Raynal et al.
patent: 3416736 (1968-12-01), Marik
patent: 3754710 (1973-08-01), Chimura
patent: 4618101 (1986-10-01), Piggott
patent: 4646977 (1987-03-01), Iwamura et al.
patent: 4718607 (1988-01-01), Levine

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