Eddy current brake assembly

Details Eddy current brake assembly Eddy current brake assembly

1988-07-29

1989-08-01

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 93, 188164, 188267, H02K 4904, H02P 1500

Patent

active

048535737

ABSTRACT:
An eddy current brake for braking the rotation of a rotating shaft driven by a drive including a rotatable, stamped one-piece inductor drum member connectable to a driven shaft, having a radially extending portion and an axially extending portion spaced from and substantially parallel to the axis of rotation of the driven shaft. A pole assembly is located within a volume defined by said drum member and is rigidly attached to an end adaptor plate of the drive. The pole assembly includes a pair of stamped pole members each defining a plurality of poles which are placed in a confronting, interdigitated relationship upon assembly. When energized, a flux path is established which sequentially passes from a coil located intermediate the pole members to one of said pole members, through the axially extending portion of the inductor drum, through the other of the pole members and back to the coil in order to magnetically couple the rotatable inductor drum to the rigidly mounted pole members in order to apply a braking force to the driven shaft of the drive.

REFERENCES:
patent: 3624436 (1971-11-01), Jaeschke
patent: 4476410 (1984-10-01), Wolcott
patent: 4780637 (1988-10-01), Wolcott
patent: 4791330 (1988-12-01), Charbonnier et al.

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