Filter cleaning device

Details Filter cleaning device Filter cleaning device

1983-07-25

1985-01-08

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

55302, 134183, B08B 502

Patent

active

044920032

ABSTRACT:
A filter cleaning device for purging filters made of porous material employs a tank containing pressurized air and a flow conduit communicating with the tank. A shield mounted on the flow conduit is shaped to engage the filter whereby the pressurized air is suddenly released into an interior chamber of the filter upon actuating a flow valve. An extensible member such as a spring is mounted inside the conduit and has a air flow diverter attached to its lower end so that, upon the sudden rush of air, the flow diverter spreads the air outwardly and radially toward the filter medium and the extensible member gradually extends so that dust is purged substantially from all parts of the filter.

REFERENCES:
patent: 457603 (1891-08-01), Fox
patent: 578142 (1897-03-01), Fierz
patent: 956668 (1910-05-01), Becker
patent: 1198276 (1916-09-01), Rival et al.
patent: 1769061 (1930-07-01), Hitchcock
patent: 1830098 (1931-11-01), Dollinger
patent: 2999264 (1961-09-01), Stearns
patent: 3216429 (1965-11-01), Dick
patent: 3566892 (1971-03-01), Logue et al.
patent: 3665547 (1972-05-01), Boylan
patent: 3936902 (1976-02-01), Shackleton et al.

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