Electromagnetic coupling device

Details Electromagnetic coupling device Electromagnetic coupling device

1995-08-22

1996-04-16

Picard, Leo P.

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Magnet structure or material

336107, 336192, 335299, F16D 2714, H01F 2704, H01F 1510

Patent

active

055086713

ABSTRACT:
The electromagnetic clutch 1 includes a driven shaft 3, an armature assembly 4, a rotor and a coil assembly. The armature assembly 4 is mounted on the driven shaft 3. The rotor 7 is driven by a belt that engages the poly V-groove 7d. The coil assembly is supported in a groove 7a in the rotor. When the coil assembly is energized the armature 17 of the armature assembly 4 is pulled axially into contact with the rotor 7 and torque is transmitted from the rotor to the driven shaft 3. The coil assembly includes a magnetizing coil 21 enclosed in a bobbin 19 and a cover 20 and secured in a yoke 18. The bobbin 19 includes a terminal holder 19j. A terminal holder 19j receives a terminal assembly 23 and is held in position by a terminal housing 28. The terminal assembly 23 includes two terminals 24 connected by a diode 25. The diode 25 and a portion of each terminal is embedded in an enclosing member 27.

REFERENCES:
patent: 4119184 (1978-10-01), Mower et al.
patent: 4935713 (1990-06-01), Bekheet
patent: 5138293 (1992-08-01), Ishimaru

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