Selective venting sprayer

Details Selective venting sprayer Selective venting sprayer

1999-02-04

2000-05-30

Morris, Lesley D.

Fluid sprinkling, spraying, and diffusing

Including supplemental gas shaping or shielding jet

Plural sets of gas jet orifices

239301, B05B 130

Patent

active

060682035

ABSTRACT:
A selective venting spray assembly is disclosed which includes a sprayer for dispersing a spray of liquid and a spray shaping air flow. An aircap is attached to the sprayer for atomizing and directing the spray. The aircap includes one or more spray shaping passages for receiving the airflow and directing it against the spray to alter the shape of the spray. A flow channel assembly is provided to fluidly connect the aircap to the sprayer. The flow channel assembly includes a flow passage selectively switchable between a first position where airflow is admitted from the sprayer to the spray shaping passage, and a second position where the airflow is diverted to a vent, to produce a non-shaped spray without creating damaging back pressure within the sprayer.

REFERENCES:
patent: 1752922 (1930-04-01), Mueller
patent: 1919153 (1933-07-01), Andrews
patent: 2740670 (1956-04-01), Harder
patent: 4531675 (1985-07-01), Muck
patent: 5135172 (1992-08-01), Toth
patent: 5217168 (1993-06-01), Svendsen
patent: 5279461 (1994-01-01), Darroch
patent: 5529460 (1996-06-01), Eihusen et al.
patent: 5645220 (1997-07-01), Hohndorf

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