Apparatus for extracting oil from spent oil filters

Details Apparatus for extracting oil from spent oil filters Apparatus for extracting oil from spent oil filters

1994-02-25

1996-06-11

Bennet, Henry

Drying and gas or vapor contact with solids

Apparatus

Treated material vibrating type

34401, 15304, F26B 900

Patent

active

055243568

ABSTRACT:
The present invention provides apparatus for low-cost extraction of oil residues from oil filters. The apparatus of the invention has a mounting structure or plate to which a number of oil filters can be strapped. Over 95% of the oil in each filter can be drained therefrom under the influence of gravitational forces. Oil draining from the oil filters is allowed to gather in a pan, bucket, container or well located below the mounting plate. Connected to the mounting structure is a mechanical or electrical oscillator for imparting a vibratory oscillation to the mounting structure and, hence, to the mounted oil filters. The weak surface tension and molecular forces between the residual oil molecules and the paper filter materials will be overcome by the vibration, and the residual oil will run off.

REFERENCES:
patent: 1691514 (1928-11-01), Dollinger
patent: 4067749 (1978-01-01), McKinney

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