Air powered particle sprayer with air flow control means

Details Air powered particle sprayer with air flow control means Air powered particle sprayer with air flow control means

1991-11-15

1993-02-16

Kasnikow, Andres

Fluid sprinkling, spraying, and diffusing

Container for non-fluid material, and scattering means

With means generating or supplying gaseous mixing current

239318, 239340, 222255, B05B 730

Patent

active

051863952

ABSTRACT:
A particle sprayer includes a hollow body divided into an air compartment and a storage compartment for particulate material. The air compartment receives a piston which is manually slidable along the length of the air compartment to create air pressure within the air compartment. An air passageway provides air flow communication between the air compartment and the exterior of the sprayer. A discharge tube extends into the material in the storage compartment at one end and at the other end intersects the air passageway near a restriction in the air passageway defining a venturi opeing. Depression of the piston creates increased positive air flow exiting the sprayer the venturi opening and the resultant low pressure area draws material up the discharge tube from the storage compartment to be dispersed in a uniform amount into the air in the air passageway and ejected from the sprayer as a spray. Air flow control means lowers the pressure in the down pressure area during negative air flow into the sprayer as the piston raises in the air compartment.

REFERENCES:
patent: Re29176 (1977-04-01), Loeffler
patent: 1860136 (1932-05-01), Bunch
patent: 1930872 (1933-10-01), Blackmun
patent: 2391048 (1945-12-01), Vose
patent: 2712472 (1955-07-01), Florjancic
patent: 3369757 (1968-02-01), Boris
patent: 3790034 (1974-02-01), Horvath

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