Electromagnetic clutch with torque isolation for return springs

Details Electromagnetic clutch with torque isolation for return springs Electromagnetic clutch with torque isolation for return springs

1992-11-20

1993-10-12

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310100, 192101, 1921062, 192111A, H02K 4900, F16D 1900

Patent

active

052528740

ABSTRACT:
An electromagnetic clutch, including a contact plate assembly, a rotor adapted for connection to a driven device, and first mounting assembly for mounting the contact plate assembly to a rotatable member associated with a driving device. The first mounting assembly includes compression springs for biasing the contact plate assembly away from the rotor. An electromagnetic assembly overcomes the bias of the compression springs when energized, causing the contact plate assembly to engage the rotor. The first mounting assembly includes resiliently mounted members which allow the contact plate assembly to oscillate circumferentially relative to the rotatable member, in response to torsional oscillations in the driving device. A second mounting assembly mounts each of the compression springs between the rotatable member and the contact plate assembly, isolating the compression springs from damage due to relative circumferential movement between the rotatable member and contact plate assembly.

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