Powder delivery system

Details Powder delivery system Powder delivery system

1986-03-19

1989-04-25

Basinger, Sherman D.

Conveyors: fluid current

Intake to fluid current conveyor

Combined intake and discharge

406123, 406144, 406153, 118312, 118634, B65G 5340

Patent

active

048242950

ABSTRACT:
A method and apparatus for pumping a steady flow of powder from a powder spray gun of a powder spray system by pumping the powder from a fluidized bed feed hopper to the spray gun via a small auxiliary fluidized bed hopper located in close proximity to the powder spray gun. The apparatus comprises a primary fluidized bed hopper into which reclaimed powder is supplied from a powder spray booth via a powder filter module and a sieve. Powder from the primary feed hopper is pumped to the gun via an auxiliary and much smaller capacity auxiliary fluidized bed hopper located in relative close proximity to the spray gun.

REFERENCES:
patent: 1629032 (1927-05-01), Goodridge
patent: 2602707 (1952-07-01), Garoutte
patent: 3733011 (1973-05-01), Driscoll
patent: 3746254 (1973-07-01), Duncan et al.
patent: 3791341 (1974-02-01), Diamond et al.
patent: 3847118 (1974-11-01), Ambry
patent: 3870375 (1975-03-01), Duncan et al.
patent: 4380320 (1983-04-01), Hollstein et al.
patent: 4586854 (1986-05-01), Newman et al.

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