Filter cartridge magnetic attachment

Details Filter cartridge magnetic attachment Filter cartridge magnetic attachment

1997-09-13

1999-03-09

Reifsnyder, David A.

Liquid purification or separation

With heater or heat exchanger

For filter

210223, B01D 3506

Patent

active

058795499

ABSTRACT:
An improved magnet assembly apparatus is provided for a filter cartridge magnetic attachment such as disclosed in U.S. Pat. No. 5,510,024. With the present invention, the improvement is comprised of a first shunt element attached to a first end of the first particle-attracting magnet. A second shunt element is attached to a first end of the second particle-attracting magnet, and a first or more shunt magnets are connected between the first shunt element and the second shunt element. The first shunt element and the second shunt element are made from iron-containing material. The first particle-attracting magnet has a first longitudinal axis, the second particle-attracting magnet has a second longitudinal. The first longitudinal axis and the second longitudinal axis are parallel, and the first shunt magnet has a first longitudinal shunt axis which is perpendicular to the first longitudinal axis and the second longitudinal axis. With one embodiment of the invention, the first longitudinal axis the second longitudinal axis and the first longitudinal shunt axis lie in a common plane. With another embodiment of the invention, a second shunt magnet is connected between the first shunt element and the second shunt element. With another embodiment of the invention, a third shunt magnet is connected between the first shunt element and the second shunt element. The first particle-attracting magnet, the second particle-attracting magnet, the first shunt magnet, the second shunt magnet, and the third shunt magnet are cylindrical magnets.

REFERENCES:
patent: 2613246 (1952-10-01), Spodig
patent: 2936408 (1960-10-01), Bennetot
patent: 3067366 (1962-12-01), Hofman
patent: 3168686 (1965-02-01), King et al.
patent: 4575663 (1986-03-01), Sanders et al.
patent: 4816796 (1989-03-01), Miyajima et al.
patent: 5510024 (1996-04-01), Caiozza
patent: 5714063 (1998-02-01), Brunsting

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