Filter housing for closed fluid circulating system

Details Filter housing for closed fluid circulating system Filter housing for closed fluid circulating system

1984-10-26

1986-10-07

Adee, John

Liquid purification or separation

Processes

Separating

210234, B01D 3514

Patent

active

046158120

ABSTRACT:
A fluid containing system, as in a filter, for toxic or hazardous fluids is provided with rotatable base seals that can be alternatively positioned to permit the flow of fluids from the filter supply line, passing through the filter or, alternatively, the filter supply line can be sealed shut to prevent fluid leakage when the filter is removed. A third filter seal position is provided, wherein a cleaning fluid, for example compressed air, can be supplied to the filter in order to remove excess fluid from the filter prior to removal. An alternative embodiment permits removal of the filter and sealing of the supply line by rotating the filter and seal assembly about the supply line access to save space or to facilitate changing the filter. The fluid containing system can also function as a fluid sampler, or to add materials to the fluid system.

REFERENCES:
patent: 2991885 (1961-07-01), Gutkowski
patent: 3347386 (1967-10-01), Kraissl, Jr.
patent: 4367144 (1983-01-01), Peters et al.
patent: 4529515 (1985-07-01), Selz

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