Method of preventing air from entering an oil suction filter

Details Method of preventing air from entering an oil suction filter Method of preventing air from entering an oil suction filter

1999-10-08

2000-12-26

Savage, Matthew O.

Liquid purification or separation

Processes

Separating

95268, 96220, B01D 3501

Patent

active

06165373&

ABSTRACT:
An oil suction filter having an enclosed housing with a base surface and an oil intake opening, a top surface with an oil discharge opening, and a filter usually in the form of a filter cloth in the housing between the intake opening and the outlet. In one form, an oil diverting device at least partially surrounds the oil intake opening. In another form, an oil flow diverting device is provided at either or both of the oil intake opening and the oil outlet. In another form, an oil filter cloth has various densities, thicknesses or layers that control the flow. All the foregoing is for the purpose of minimizing formation of large air bubbles passing through the suction filter. Further, beads in the housing may keep the filter cloth off the base surface.

REFERENCES:
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patent: 4828694 (1989-05-01), Leason
patent: 4889621 (1989-12-01), Yamada et al.
patent: 5494575 (1996-02-01), Kitajima et al.
patent: 5538633 (1996-07-01), Kitajima et al.

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