Flowable material passage with interposable slide member

Details Flowable material passage with interposable slide member Flowable material passage with interposable slide member

1979-03-12

1980-12-02

Sever, Frank

Liquid purification or separation

Plural distinct separators

Filters

210352, 210398, 210451, 210455, B01D 3128, B29F 300

Patent

active

042370140

ABSTRACT:
Flowable material is pumped between upstream and downstream passages in a body through an aperture portion formed in a slide member that communicates between the passages. An annular seal member engages the slide member under the urging of a Belleville spring. The slide member, formed as a filter, has a region of uniform porosity that is moved progressively through the path of flow of the material for changing the filter.

REFERENCES:
patent: 2640033 (1953-05-01), Marshall
patent: 3947202 (1976-03-01), Goller et al.

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