Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1996-04-22
1998-09-29
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15322, 239521, A47L 700
Patent
active
058130870
ABSTRACT:
Spray nozzles are frequently used for distributing pressurized fluid onto a surface to be cleaned. The spray nozzle according to the invention is ideally suited for use with a water extraction cleaning machine and for distributing a fan-shaped spray pattern onto the surface to be cleaned. The spray nozzle includes a nozzle body with a fluid flow path extending therethrough. An arcuate deflector plate is provided a spaced distance from the outlet of the fluid flow path. A pinpoint spray of pressurized cleaning solution is directed onto the downwardly and outwardly extending concave deflector surface for creating a fan-shaped spray pattern. The contour of the concave deflector surface can comprise a variety of concave surfaces such as a cylindrical surface, a parabolic surface and a hyperbolic surface. The incorporation of a concave deflector surface is ideally suited for containing and controlling the spray pattern for increasing fluid flow rates and pressures.
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Bissell Inc.
Moore Chris K.
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