Gas filter device

Details Gas filter device Gas filter device

1980-04-24

1981-03-31

Lacey, David L.

Gas separation

Two or more separators

55494, 55501, 123568, 210316, B01D 5000

Patent

active

042590990

ABSTRACT:
A gas filter device, adapted to be installed between an exhaust emission control device and an intake manifold of an internal combustion engine for filtration of the intake manifold gases which pass to the control device upon variations in vacuum, is comprised of a filtering chamber having an inlet port for connection to the intake manifold and an outlet port for connection to the control device, a first filter element positioned in the chamber and including glass fiber, metallic wire, and sintered bronze, a second filter element positioned in the chamber between the outlet port and the first filter element and made of non-woven cloth having a fine texture, a retaining late located between the inlet port and the first filter element and having multiple passageways, and a hat-shaped separating disc having multiple passageways and a head portion installed between the first filter element and the second filter element for keeping the second filter element away from the first filter element.

REFERENCES:
patent: 1739093 (1929-12-01), Ruby
patent: 1807521 (1931-05-01), Foulk
patent: 2689199 (1954-09-01), Pesce
patent: 2796950 (1957-06-01), Hersey, Jr.
patent: 2826265 (1958-03-01), DeWoody
patent: 2888095 (1959-05-01), Perrini et al.
patent: 3387435 (1968-06-01), Broad, Jr.
patent: 3747772 (1973-07-01), Brown
patent: 3953182 (1976-04-01), Roth

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