Exhaust gas filter

Details Exhaust gas filter Exhaust gas filter

1991-10-10

1995-10-10

Chiesa, Richard L.

Gas separation

With means securing or retaining separating media

Unit or cohesive sheet-like media in flow line or frame

55520, 55523, 264DIG48, B01D 2907

Patent

active

054560691

ABSTRACT:
An exhaust gas filter employed to remove harmful components from exhaust gases, more particularly from exhaust gases expelled by combustion engines, includes flow channels or chambers having gas-permeable walls. The walls are formed by a band having compression-moulded material and spacers with the band wound into a spiral. The spacers serve to form flow channels by maintaining a space between the individual windings of the band. The band and, if required, further parts of the proposed filter are then sintered together to form a unit.

REFERENCES:
patent: 2038071 (1936-04-01), Wilhelm
patent: 2322548 (1943-06-01), Sigmund
patent: 3112184 (1963-11-01), Hollenbach
patent: 3874899 (1975-04-01), Miszenti et al.
patent: 4128684 (1978-12-01), Bomio et al.
patent: 4501663 (1985-02-01), Merrill
patent: 4652286 (1987-03-01), Kusuda et al.
patent: 4662915 (1987-05-01), Shirai et al.

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