Fluid sprinkling – spraying – and diffusing – Including supply holder for material – Fluid pressure discharge means
Patent
1990-06-15
1992-02-04
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Including supply holder for material
Fluid pressure discharge means
239, 239, B05B 730, B05B 704
Patent
active
050853716
ABSTRACT:
A nozzle assembly for producing a mousse-like mixture of air and a foamable liquid (preferably a detergent) includes a housing defining a passageway having an upstream and a venturi tube located in the passageway downstream of a mixing chamber also located in the passageway. Openings are formed in the housing to permit a first stream of ambient air to enter into the mixing chamber. The foamable liquid is injected into the mixing chamber and then into the venturi tube in such a manner that ambient air is pulled into the mixing chamber through the openings and is mixed with the foamable liquid as it passes through the venturi tube and a mousse-like mixture of air and the foamable liquid is created downstream of the venturi tube. The resulting mousse travels through the passageway and out the downstream end of the passageway. A plurality of openings are placed downstream of the venturi tube to permit a second stream of ambient air to enter into the passsageway downstream of the venturi tube to increase the velocity at which the mousse-like mixture exits the downstream end of the passageway. To further agitate the mixture a fine grating is placed against the downstream end of the venturi tube, upstream of the second air stream openings.
REFERENCES:
patent: 2774583 (1956-12-01), Haftke
patent: 2967570 (1961-01-01), Nurkiewicz
patent: 3388868 (1968-06-01), Watson et al.
patent: 3424250 (1969-01-01), Thomae
patent: 3701482 (1972-10-01), Sachnik
patent: 3946947 (1976-03-01), Schneider
patent: 4830790 (1989-05-01), Stevenson
patent: 4969603 (1990-11-01), Norman
Kashnikow Andres
Merritt Karen B.
Shop-Vac Corporation
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