Spraying apparatus and method

Details Spraying apparatus and method Spraying apparatus and method

B - Operations, Transporting

05

B

222/36

B05B 9/01 (2006.01)

Patent

CA 1204089

SPRAYING APPARATUS AND METHOD Abstract An improved spraying apparatus utilizes a novel method of withdrawing sprayable liquid from a pressurized vessel at a controlled rate, whereby the discharge rate of the spraying apparatus may be preset or selectively controlled within a desired range. Control of the rate at which liquid discharges from the apparatus is effected by pre-setting or regulating the effective size of one or more gas entry openings provided in a liquid withdrawal conduit which depends into the pressure vessel. The gas entry openings communicate with an upper end region of the vessel wherein a quantity of pressurized carrier gas is maintained. In one embodiment, all carrier gas must flow through the vessel before being discharged by the apparatus. In another embodiment, a restricted flow of carrier gas is combined with a mixture of gas and liquid issuing from the pressure vessel for generating a highly atomized, fog-like spray.

446895

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