Gas separation – Plural serial basically diverse separating media – Plural stages in unitary casing
Patent
1983-10-11
1985-06-04
Lacey, David L.
Gas separation
Plural serial basically diverse separating media
Plural stages in unitary casing
55330, 55337, 55349, 55350, 55385D, 55432, 55472, 55484, B01D 5000
Patent
active
045212325
ABSTRACT:
An air filter unit has a housing including a plurality of separate filter element chambers disposed side by side and each including openings to an elongated air inlet chamber. Each of the filter element chambers includes a porous media filter element for receiving a portion of a material laden air flow stream entering the housing in such a way that the lower velocity portions of the flow stream are diverted into the respective filter element chambers and forced to flow in a vortical manner to provide inertial separation of material prior to flow of air through the filter elements. The inlet air flow is directed against a wall of the inlet chamber at the end opposite the inlet end of the inlet chamber so that higher velocity portions of the inlet air flow stream impinge the wall to separate particulate material entrained with the higher velocity portion of the flowstream. Separate hoppers in the inlet chamber and the filter element chambers are in communication with each other through a one way door which conducts separated material from the inlet chamber through one or more of the filter element chambers and through a second door for discharge to the exterior of the housing.
REFERENCES:
patent: 1743934 (1930-01-01), Ruemelin
patent: 2687782 (1954-08-01), Sonderegger
patent: 3378994 (1968-04-01), Farr
patent: 3822532 (1974-07-01), Weisgerber
patent: 4099937 (1978-07-01), Ufken et al.
patent: 4204849 (1980-05-01), Johnston
patent: 4214882 (1980-07-01), Brenholt
patent: 4218226 (1980-08-01), Boozer
patent: 4224043 (1980-09-01), Dupre
patent: 4372762 (1983-02-01), Cooley
patent: 4388087 (1983-06-01), Tipton
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