Air filter assembly including an improved jet pump cleaning appa

Details Air filter assembly including an improved jet pump cleaning appa Air filter assembly including an improved jet pump cleaning appa

1980-06-16

1982-03-16

Lacey, David L.

Gas separation

With nonliquid cleaning means for separating media

Cohesive filter media cleaning

55468, 417198, B01D 4604, F04F 546

Patent

active

043198970

ABSTRACT:
Disclosed herein is a jet pump including an air nozzle and an ejector tube which is mounted above the open clean air end of a cylindrical pleated paper filter element in an aspirated air filter assembly for use in back pulsing air through the interior of the filter element for removing dust therefrom. The ejector tube is of a cylindrical constant radius configuration having a flared open upper end. As a jet of air is back pulsed through the flared upper end of the ejector tube, the configuration of the tube causes the surrounding air to be entrained and accelerated downwardly into the tube where it is diffused and directed into the interior of the filter element, blowing the dust off the cylindrical wall thereof.

REFERENCES:
patent: 3535852 (1970-10-01), Hirs
patent: 3963467 (1976-06-01), Rolshau
patent: 4007026 (1977-02-01), Groh
patent: 4149828 (1979-04-01), Affri

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