Fluid sprinkling – spraying – and diffusing – Terminal outlet formed between parts mounted for relative... – Spray fluid pressure responsive discharge modifier
Patent
1984-09-28
1986-07-01
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Terminal outlet formed between parts mounted for relative...
Spray fluid pressure responsive discharge modifier
23953313, B05B 132
Patent
active
045975302
ABSTRACT:
A diffuser for air or other fluids has a rigid body with a flat disc and a hollow boss defining a central opening. The perimeter of the disc is scalloped and is defined by alternating curved crests and valleys. A flexible elastomeric diaphragm overlays the top of the disc and has a rim portion with spaced recesses that receive the crests of the perimeter of the disc. The rim portion does not extend to the bottom of the valleys of the perimeter and as a result, air openings are defined between the rim portion and the bottoms of the valleys. Air under pressure admitted to the central opening will deform the diaphragm and allow air to escape through the air openings. A series of vanes may be formed on the underside of the disc radiating from the boss. The vanes, together with vane extensions formed on the underside of the diaphragm rim portion, define a compartment for each air opening so that bubbles released from one air opening do not mix or combine with bubbles from adjacent air openings. The vanes and vane extensions may be formed on a spiral to give a spiral flow to the bubbles.
REFERENCES:
patent: 3334819 (1967-08-01), Olavson
patent: 3525436 (1970-08-01), Reckers
patent: 3997634 (1976-12-01), Downs
PCI Hydro-Chek Air Diffusers "Simple and Cost Effective", Chicago Pump Bulletin 7823.
Chicago Pump Bulletin 7822-A.
Beemster Bernard J.
Collins Patrick V.
Doolittle William P.
Goudy, Jr. Paul R.
Jenkins Thomas E.
Autotrol Corporation
Kashnikow Andres
Malpede Scott D.
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