Onstream backflush filter

Details Onstream backflush filter Onstream backflush filter

1975-07-28

1976-11-30

Hart, Charles N.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Diverse sensing means

210108, 210333A, B01D 2938

Patent

active

039948102

ABSTRACT:
This invention comtemplates a new and novel filtering device that comprises a plurality of parallel filter elements with means within the device for backflushing two or more of the filter elements without removing the elements from the device and while the device is being operated onstream and filtering. The backflushed fluid used to clean the elements is isolated from the primary fluid stream and discharged from the device.

REFERENCES:
patent: 2173060 (1939-09-01), Andrews
patent: 2834474 (1958-05-01), Jalkanen
patent: 2858024 (1958-10-01), Babcock
patent: 2940517 (1960-06-01), Skellern
patent: 3149070 (1964-09-01), Nash
patent: 3635348 (1972-01-01), Carr
patent: 3746642 (1973-07-01), Bergstrom
patent: 3853762 (1974-12-01), Moatti
Filtering to Advantage, Boll & Kirch Fitterbau G.m.b.H., Types 174-20 and 174-21, (1974).

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