Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Magnet structure or material
Patent
1974-12-16
1976-11-30
Harris, George
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Magnet structure or material
192 84C, 29606, H01F 300
Patent
active
039952444
ABSTRACT:
An exciting device for use in an electromagnetic clutch and a method for manufacturing same, in which a member having a cylindrical portion is secured to the end surface of a yoke of a doughnut or annular form to thereby provide a coil supporting portion which is open in the radial direction and has a U-shaped cross section, and then a cnductor is directly wound through the medium of an insulating material around the aforesaid cylindrical portion, after which the exposing portions of the coil formed of the conductor are insulated according to a resin-impregnating treatment or varnish immersion treatment, thereby providing an exciting device for an electromagnetic clutch.
REFERENCES:
patent: 3244944 (1966-04-01), Birge
patent: 3494453 (1970-02-01), Sepko
patent: 3833871 (1974-09-01), Fisher et al.
patent: 3854562 (1974-12-01), Wilczewski
Harris George
Hitachi , Ltd.
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