Debris tolerant solenoid

Details Debris tolerant solenoid Debris tolerant solenoid

1986-03-03

1987-01-27

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

335260, 25112921, H01F 708

Patent

active

046397043

ABSTRACT:
A solenoid designed to operate immersed in a fluid containing magnetic particles of debris, and having a movable armature slidable toward and away from a fixed core within a bobbin carrying the electromagnetic coil. The bobbin is provided with internal flutes defining longitudinal passages opening at both ends of the solenoid for conducting magnetic particles or debris out through the passages as the solenoid armature moves toward the core.

REFERENCES:
patent: 2931617 (1960-04-01), Jamieson
patent: 3103612 (1963-09-01), Marmo
patent: 4166262 (1979-08-01), Jencke et al.

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