Brushless motor with resilient shaft end-play absorber

Details Brushless motor with resilient shaft end-play absorber Brushless motor with resilient shaft end-play absorber

1992-06-24

1993-04-20

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 51, 384223, H02K 0524, H02K 0516, H02K 0708, F16C 2708

Patent

active

052045676

ABSTRACT:
A brushless motor is provided with a rigid resin member that faces one end of the drive shaft with a predetermined gap therebetween. The rigid member is positioned to be struck by the end of the drive shaft when the drive shaft vibrates. The impact of the collision is absorbed by the elastic deformation of a resilient member that supports the rigid member. This prevents noise from being generated by vibrations of the drive shaft.

REFERENCES:
patent: 3749457 (1973-07-01), Latussek et al.
patent: 3845339 (1974-10-01), Merkle et al.
patent: 4050130 (1977-09-01), Pitner
patent: 4452541 (1984-06-01), Carpenter
patent: 4588912 (1986-05-01), Shinmura et al.
patent: 4963076 (1990-10-01), Fleishmann et al.

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