Filter cartridge with series elements for chemical and mechanica

Details Filter cartridge with series elements for chemical and mechanica Filter cartridge with series elements for chemical and mechanica

1987-10-23

1989-12-12

Fisher, Richard V.

Liquid purification or separation

Particulate material type separator, e.g., ion exchange or...

Within flow line or flow line connected closed casing

210314, 2104165, 210444, 2105021, 210DIG5, 210DIG6, 55316, 55486, 55498, 55521, B01D 2702, B01D 2706

Patent

active

048865990

ABSTRACT:
A filter cartridge for cleaning oil of an oil sealed vacuum pump which comprises a cartridge housing, the cartridge housing being releasably mounted to the vacuum pump; filter materials including at least two types of filters having different characteristics, the filter materials including the filters being disposed in the cartridge housing.

REFERENCES:
patent: 3228527 (1966-01-01), McPherson
patent: 3662893 (1972-05-01), Humbert, Jr.
patent: 3836005 (1974-09-01), Bauer
patent: 4231768 (1980-11-01), Seibert et al.
patent: 4372847 (1983-02-01), Lewis
patent: 4557829 (1985-12-01), Fields

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