High temperature gas filtering device

Details High temperature gas filtering device High temperature gas filtering device

1978-06-22

1979-04-17

Nozick, Bernard

Gas separation

With separating media bypass or system gas pressure relief

Valved bypass means

55487, 55498, 55387, 55500, 55DIG30, 60311, 181258, 422181, B01D 5000

Patent

active

041498623

ABSTRACT:
An internal combustion engine exhaust gas filtering device in which an elongated high temperature resistant filter cartridge, gas permeable from end to end and radially, is received within a sheet metal casing having gas inlet and gas outlet ends with the filter cartridge spaced from the gas inlet end to form an entering exhaust gas distributing plenum, the filter cartridge being spaced from the casing internal side walls by an elongated circumferential spacing member which forms gas passages along the length of the filter cartridge which are open toward the filter cartridge but are closed toward the casing internal side walls whereby the exhaust gas to be filtered can flow longitudinally into the filter cartridge from the entering gas plenum and can flow radially from the passages in the spacing member into the filter cartridge, the spacing member also acting to protect the sheet metal casing against high temperature corrosive action of the exhaust gases.

REFERENCES:
patent: 3018841 (1962-01-01), Gerlich
patent: 3147097 (1964-09-01), Aguas
patent: 3857688 (1974-12-01), Wisnewski
patent: 3898064 (1975-08-01), Tao et al.

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