Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – With magneto-mechanical motive device
Patent
1996-11-13
1999-12-07
Gellner, Michael L.
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
With magneto-mechanical motive device
335281, 335297, 336216, H01F 700
Patent
active
059990732
ABSTRACT:
A tri-core solenoid includes first, second and third core segments. The first and second core segments mate to form a low reluctance mating interconnect. The low reluctance mating interconnect includes, in one example, overlapping regions of the first and second core segments that form a joint surface area substantially in the same plane as the flow of flux through the first and second core segments. The third core segment, such as a plunger or armature, is slideably received in an aperture defined by the first and second core segments. The first core segment includes an end portion preferably having a first pole face that mates with a second pole face on the third core segment. The second core segment has a receiving region, such as a journal or bushing, that slideably receives the third core segment and forms a journal air gap therebetween.
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Ricker Russell
Sheppard Clinton
Barrera Raymond
Gellner Michael L.
WPI Magnetic, Inc.
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