Magnetic oil strainer

Details Magnetic oil strainer Magnetic oil strainer

1988-06-17

1989-06-13

Jones, W. Gary

Liquid purification or separation

Structural installation

Closed circulating system

123196A, 184 625, 210223, 210452, B01D 3506

Patent

active

048390410

ABSTRACT:
A strainer is mounted in an oil passage within a valve body constituting the hydraulic control unit of an automatic transmission. The strainer includes a frame (4) fitted into the oil passage, a reticulate member (5) secured to the frame (4) so as to form a barrier across the oil passage, and a permanent magnet (8) secured by press-fitting or by bonding to frame at a position ahead of the reticulate member (5) in terms of the direction of working oil flow. Foreign matter contained in the working oil is removed by the reticulate member (5) while extremely small contaminants exhibiting a magnetic property, such as ferrous chips, that cannot be removed by the reticulate member (5) are removed by the magnet (8).

REFERENCES:
patent: 3784011 (1974-01-01), Ward
patent: 3890232 (1975-06-01), Combest
patent: 4067810 (1978-01-01), Sullivan
patent: 4746427 (1988-05-01), Fukuda et al.

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