Pre-filter oil inspection screen

Details Pre-filter oil inspection screen Pre-filter oil inspection screen

1992-10-16

1994-05-31

Savage, Matthew O.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

210316, 210443, 210445, 210495, 210499, 210DIG17, B01D 3502

Patent

active

053166655

ABSTRACT:
The invention is a disk-shaped screen adapted for removable placement onto one end of a standard-type oil filter. When the screen is placed on the oil filter, it is located in an area bounded by the oil filter's mounting gasket and it overlies the filter's inlet ports. The screen is made of a wire mesh having approximately 1600 openings per square inch. The screen functions to collect larger-sized particles from the oil stream before they enter the interior of the oil filter. By collecting these particles in a readily viewable manner, the screen enables a person to easily determine from the types and size of collected particles if any unusual engine wear has occurred or if the engine has suffered internal damage.

REFERENCES:
patent: 2646884 (1953-07-01), Findley
patent: 5112476 (1992-05-01), Cote et al.
Brochure from Allied Signal Inc., Aftermarket Filter Division Copyright 1991, six pages.

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