Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Fluid pressure responsive
Patent
1981-01-19
1982-06-01
Cintins, Ivars C.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Fluid pressure responsive
55270, 210 97, 210266, B01D 1500, B01D 5330
Patent
active
043326790
ABSTRACT:
A filtering apparatus for indicating the degree of exhaustion of an adsorption filter which includes a mechanical filter and a pressure meter for detecting the difference in pressure between a point downstream and a point upstream of the mechanical filter to provide an indication of the degree of exhaustion of the adsorption filter. The mechanical filter may be an internal type filter or a surface filter and it may be either series-connected or connected in shunt with the flow path of the adsorption filter.
REFERENCES:
patent: 2858024 (1958-10-01), Babcock
patent: 3826368 (1974-07-01), Walters
patent: 3985648 (1976-10-01), Casolo
patent: 4026792 (1977-05-01), Orth
patent: 4197098 (1980-04-01), Stiehl et al.
Grosspietsch Wolfgang
Hengst Bernd
Ognibeni Karl-Heinz
Cintins Ivars C.
Fichtel & Sachs AG
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