Conveyors: fluid current – With diverse power-driven conveyor – Rotary
Patent
1980-10-08
1983-01-11
Nase, Jeffrey V.
Conveyors: fluid current
With diverse power-driven conveyor
Rotary
222370, B65G 5346
Patent
active
043679889
ABSTRACT:
In an apparatus for delivering selectable amounts of dust-laden gas, the base structure thereof includes support means having a substantially horizontal and circular recess in which is rotatably supported a circular disk having a plurality of transverse openings defining a circle coaxial with the disk. A cover partially covers the disk and has a dust container mounted thereon for selective communication with the transverse openings in the disk. The dust container and the circular recess define a substantially airtight chamber. A pair of coaxial openings are provided through the cover and support means for successive alignment with the transverse openings as the disk rotates and are in communication with a source of pressurized gas, whereby pressurized gas can be directed through a dust-laden transverse opening which is aligned with the coaxial openings. A leakage space is provided between the disk and cover so that when no transverse opening is aligned with the coaxial openings, the pressurized gas passes through the leakage space into the dust container.
REFERENCES:
patent: 2373171 (1945-04-01), Daly
patent: 3201001 (1965-08-01), Roberts et al.
patent: 3517861 (1970-06-01), De La Vega
patent: 3909068 (1975-09-01), Coucher
patent: 4092046 (1978-05-01), Bombelli et al.
patent: 4169419 (1979-10-01), Burgess
patent: 4177941 (1979-12-01), Leong
Manufacturer's Specification Sheet for "NBS Dust Generator".
W. C. Hinds, "Dry-Dispersion Aerosol Generators" in Generation of Aerosols and Facilities for Exposure Experiments, pp. 179-181, Edited by Klaus Willeke, Ann Arbor Science Publishers Inc.
Nase Jeffrey V.
The Upjohn Company
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