Fluid filter having separable elements and removable end closure

Details Fluid filter having separable elements and removable end closure Fluid filter having separable elements and removable end closure

1987-07-17

1989-02-07

Spear, Frank

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Fluid pressure responsive by-pass

210232, 210340, B01D 2708

Patent

active

048029793

ABSTRACT:
An oil filter attaches to an internal combustion engine and filters the oil that is circulated through the engine. The filter includes a first can and a second can that may be attached together or separated apart. The first can attaches to the engine, and it has a first inlet and a first outlet for receiving oil from and transmitting oil to the engine. It also has a second inlet and a second outlet for receiving oil from and transmitting oil to the second can. The second can sealably attaches and detaches from the first can and, when attached, the second outlet of the first can is connected to an inlet of the second can, and an outlet of the second can is sealably connected to the second inlet of the first can. Filters are disposed within the two cans and flow directing apparatus is provided to direct the oil from the engine, through the two filters in series and back to the engine. In alternate embodiments, the cans include removable lids so that the filter element may be removed from a can. Also, a cap is provided for covering and sealing against one end of a can so that a single can may be used alone as a filter.

REFERENCES:
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patent: 4640772 (1987-02-01), Graham
patent: 4695377 (1987-09-01), Medley, III

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