Air pump for use in dusty environment

Details Air pump for use in dusty environment Air pump for use in dusty environment

1975-10-23

1976-08-31

Raduazo, Henry F.

Rotary kinetic fluid motors or pumps

With separating means or guard for solid matter in working...

415209, 55306, 302 23, 137 151, 60 3909P, F04D 2970

Patent

active

039778118

ABSTRACT:
Apparatus is disclosed for pumping gases laden with abrasive particles. The pump comprises a cylindrical outer housing within which there are three axially adjacent sections, namely; an inertial bypass inlet; a powered rotor midsection; and an annular exhaust diffuser. The inertial bypass inlet consists of an axially symmetric cone which diverts the heavier sand and dust particles toward the outer walls. Behind the conical deflector is an axially symmetric circular shroud. A rotor within the shroud draws in and accelerates partially clean air from the lee side of the cone while the majority of the sand and dust laden air passes between the shroud and the outside wall. Recombination of the entire airstream occurs at an ejector nozzle serving as an output of the powered rotor midsection. Contaminated air from the ejector nozzle experiences a pressure rise in the annular exhaust diffuser.

REFERENCES:
patent: 3035792 (1962-05-01), Klapproth
patent: 3302395 (1967-02-01), Robbins
patent: 3362155 (1968-01-01), Driscoll
patent: 3616616 (1971-11-01), Flatt
patent: 3766719 (1973-10-01), McAnally

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