Fluid sprinkling – spraying – and diffusing – Flow deflecting or rotation controlling means – Fluid rotation inducing means upstream of outlet
Patent
1976-06-18
1978-02-21
Schacher, Richard A.
Fluid sprinkling, spraying, and diffusing
Flow deflecting or rotation controlling means
Fluid rotation inducing means upstream of outlet
239601, B05B 134
Patent
active
040748618
ABSTRACT:
The discharge orifice on a fine mist sprayer has a hole through which streams of liquid particles are swirled at high speeds so as to fully atomize the liquid by the time it reaches the exit end of the hole. At that location an annular launching surface for the liquid particles flares outwardly from the hole wall through a curve extending at least 90.degree. from a tangent point on the wall. As a result of this construction, the swirling streams progressively increase in diameter as they approach the exit and encounter the flared launching surface and depart at random locations from the surface to thereby produce a spray pattern of substantially circular configuration and uniform particle distribution throughout. In the preferred embodiment, the launching surface projects outwardly beyond the face of the spray head in the nature of a rim around the orifice hole, such rim being uniformly smooth, flawless and devoid of any lines of demarcation or intersection with the wall or the outside face through a curve of at least 90.degree..
REFERENCES:
patent: 2572606 (1951-10-01), Fisher
patent: 3072346 (1963-01-01), Wahlin
patent: 3112074 (1963-11-01), Green
patent: 3595482 (1971-07-01), Jefferson-Loveday
Jegen James M.
Magers Wallace F.
Realex Corporation
Schacher Richard A,.
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