Liquid purification or separation – Flow – fluid pressure or material level – responsive – Filter cleaning
Patent
1978-04-04
1979-04-24
Cuchlinski, Jr., William A.
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Filter cleaning
210142, 73714, B01D 2324
Patent
active
041510860
ABSTRACT:
A multi-point fluid sample collection and distribution system is provided wherein the sample inputs are made through one or more of a plurality of sampling valves to a progressive cavity pump which is not susceptible to damage by large unfiltered particles. The pump output is through a filter unit that can provide a filtered multi-point sample. An unfiltered multi-point sample is also provided. An effluent sample can be taken and applied to a second progressive cavity pump for pumping to a filter unit that can provide one or more filtered effluent samples. The second pump can also provide an unfiltered effluent sample. Means are provided to periodically back flush each filter unit without shutting off the whole system.
REFERENCES:
patent: 1520668 (1924-12-01), Wilkin
patent: 2828017 (1958-03-01), Ronningen et al.
patent: 3441136 (1969-04-01), Serfass et al.
patent: 4060485 (1977-11-01), Eaton
Brooks Richard L.
Frosch Robert A. Administrator of the National Aeronautics and Space
Cuchlinski Jr. William A.
Manning John R.
Marnock Marvin J.
Matthews Marvin F.
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