Electromagnetic clutch and rotation transmission device

Details Electromagnetic clutch and rotation transmission device Electromagnetic clutch and rotation transmission device

2006-03-28

2006-03-28

Rodriguez, Saul (Department: 3681)

192 clutches and power-stop control

Clutches

Automatic

C192S046000, C192S084700

Reexamination Certificate

active

07017723

ABSTRACT:
The magnetic attraction force of an electromagnetic coil in an electromagnetic clutch is increased in a limited installation space, thereby improving reliability of operation. The dimensions of a field core housing the electromagnetic coil and a rotor are optimized to increase the magnetic attraction force. The thicknesses of cylindrical portions on the inner-diameter side of the field core and the rotor have larger thicknesses than those of cylindrical portions on its outer-diameter side so that the sectional areas of both cylindrical portions will be equal to each other. Also, a rotation transmission device provided with an electromagnetic clutch is proposed which can avoid deterioration of its sealing property and damage to its bearing and avoid cost increase.

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