Dual oil filter automatic switching system

Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Fluid pressure responsive

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Details

210103, 210132, 210149, 210340, B01D 2936

Patent

active

040338703

ABSTRACT:
A dual oil filter automatic switching system incorporating two oil filters and a switching oil valve and an oil pump, all connected together. The system also includes electric means incorporating a differential pressure switch and a latching relay, and an electric signal and an electrically-operative temperature switch are also disclosed. The oil valve is electrically responsive to the electric switching, and the valve directs the oil to either or both of the filters.

REFERENCES:
patent: 2423329 (1947-07-01), Le Clair
patent: 2522502 (1950-09-01), Clark
patent: 3341019 (1967-09-01), Florkowski
patent: 3396845 (1968-08-01), Bouskill
patent: 3485369 (1969-12-01), Voorheis
patent: 3666101 (1972-05-01), Rosaen
patent: 3979292 (1976-09-01), Kuhn

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