Magnetically attached magnet for oil filters

Details Magnetically attached magnet for oil filters Magnetically attached magnet for oil filters

1992-10-13

1994-02-01

Savage, Matthew O.

Liquid purification or separation

Magnetic

With additional separator

96 1, B01D 3506

Patent

active

052829634

ABSTRACT:
A permanent magnet is disclosed for enhancing the performance of filters, particularly oil filters associated with internal combustion engines. The permanent magnet is attached to the bottom of the filter by its own magnetic attraction to the bottom metal portion of the end of the filter canister and requires no other means of attachment. A screwdriver slot is also provided to enable a screwdriver to be inserted to pry off the magnet from the filter canister when necessary. The magnet is re-usable and may be made in various sizes and shapes to fit the contour of the bottom of the canister.

REFERENCES:
patent: Re23570 (1952-11-01), Clark
patent: 3480145 (1969-11-01), Gladden
patent: 4218320 (1980-08-01), Liaw
patent: 4446019 (1984-05-01), Robinson
patent: 4450075 (1984-05-01), Krow
patent: 4501660 (1985-02-01), Hebert
patent: 4629558 (1986-12-01), Garrity
patent: 4763092 (1988-08-01), Tomita
patent: 4826592 (1989-05-01), Taylor
patent: 4851116 (1989-07-01), Tomita
patent: 4894153 (1990-01-01), Shirdavani
patent: 5078871 (1992-01-01), McCready
patent: 5089129 (1992-02-01), Brigman

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