Filter unit with protected valve controllers

Details Filter unit with protected valve controllers Filter unit with protected valve controllers

1974-12-16

1976-08-24

Hart, Charles N.

Liquid purification or separation

Plural distinct separators

Filters

210340, B01D 2338

Patent

active

039765776

ABSTRACT:
Filter assembly, particularly for handling liquids at elevated temperatures. There is disclosed a filter assembly wherein the headers supplying filter liquid to the filter units and receiving filtrate therefrom are arranged in a first zone, all the filter units are arranged in a second zone, and at least some of the actuators for the backwash controlling valves extend outwardly of and away from both of said zones to avoid the heat associated with said zones. A heat shield may then be positioned between said valve actuators and the rest of the filter assembly, which heat shield may, if desired, be one wall of a heat retaining box enclosing the headers and filter cylinders.

REFERENCES:
patent: 211640 (1879-01-01), Peterson
patent: 767808 (1904-08-01), Forbes
patent: 2434427 (1948-01-01), Muller
patent: 2454124 (1948-11-01), Birsch et al.
patent: 2828017 (1958-03-01), Ronningen et al.
patent: 3193100 (1965-07-01), Broughton
patent: 3445002 (1969-05-01), Muller

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