Filter apparatus with stop valve

Details Filter apparatus with stop valve Filter apparatus with stop valve

1988-12-22

1990-08-07

Jones, W.

Liquid purification or separation

With repair or assembling means

Removable treatment part with normally disabled flow controller

210432, 210450, 210451, 210452, 210453, 21049701, 2105101, 137549, B01D 3500

Patent

active

049460471

ABSTRACT:
A filter apparatus having a filter element and a stop valve, both incorporated in a body thereof. By means of an engagement, the stop valve is coupled with a cap which is fitted to a body of the filter apparatus by thread-engagement. When the cap is removed from the body for replacement of the filter element, the stop valve rotates together with the cap to close an inlet port of the filter apparatus. On the other hand, when the cap is fitted to the filter apparatus, the stop valve directs the fluid into the filter apparatus since an opening provided in the stop valve coincides with the inlet port because of rotation of the stop valve.

REFERENCES:
patent: 2057779 (1936-10-01), Jacobs
patent: 4615812 (1986-10-01), Darling

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