Liquid purification or separation – Magnetic – With additional separator
Patent
1977-11-21
1979-11-27
Spitzer, Robert H.
Liquid purification or separation
Magnetic
With additional separator
55100, 209223R, B01D 3506
Patent
active
041760654
ABSTRACT:
Clusters of elongated magnets are aligned in an end-to-end relationship to provide an elongated magnetic element that is insertable into the central cavity of an annular screen. A circulating stream of liquid, such as hydraulic fluid, is drawn through the screen and over the magnets for removal of ferreous particles or other magnetically attracted contaminants. The magnets of each cluster are arranged in a radial pattern around a common longitudinal axis and are retained in place by spacers located in intervals along the axis. The maximum width of the clusters is greater than the maximum width of the spacers with which the magnets of the clusters are abutted. Accordingly the edges of the magnets project radially outward from the spacers and are thus advantageously placed for contact with a surrounding annular screening element, and can be clustered closer together for more intense magnetic interaction between the poles of adjacent magnets without seriously impeding the flow of a liquid along the length of the element.
REFERENCES:
patent: 2149764 (1939-03-01), Frei
patent: 2789655 (1957-04-01), Michael et al.
patent: 2800230 (1957-07-01), Thoma
patent: 2951586 (1960-09-01), Moriya
patent: 3034651 (1962-05-01), Morrell
patent: 3186549 (1965-06-01), Botstiber
patent: 3371790 (1968-03-01), Kudlaty et al.
patent: 3923660 (1975-12-01), Kottmeier
patent: 3951807 (1976-04-01), Sanderson
patent: 4026805 (1977-05-01), Fowler
patent: 4067810 (1978-01-01), Sullivan
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