Structure of rotor of electromagnetic clutch

Details Structure of rotor of electromagnetic clutch Structure of rotor of electromagnetic clutch

1992-03-10

1993-09-07

Lorence, Richard M.

192 clutches and power-stop control

Clutches

Operators

192107R, 335281, F16D 27112

Patent

active

052420400

ABSTRACT:
An electromagnetic clutch rotor has an axial end plate with a plurality of concentric rings formed therearound. Each concentric ring is defined by a plurality of alternating arcuate slits and ribs. Arcuate slits form poles on opposite sides thereof, and cause the magnetic flux to follow a zigzagging path between the axial end plate and the armature plate. The ribs on adjacent concentric rings are not aligned radially, and thus reduce the amount of flux leakage through the axial end plate. In addition, the ribs are progressively larger towards the radial center to account for the increased bending stresses towards the center of the axial end plate.

REFERENCES:
patent: 3036680 (1962-05-01), Jaeschke
patent: 4498066 (1985-02-01), Fujiwara et al.
patent: 4567975 (1986-02-01), Roll
patent: 4635774 (1987-01-01), Sekiguchi et al.

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