Lead wire routing and sealing assembly for large electric motor

Details Lead wire routing and sealing assembly for large electric motor Lead wire routing and sealing assembly for large electric motor

1998-07-22

1999-09-07

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

310 89, 310 67R, 174 65R, H02K 504, H02K 522

Patent

active

059491671

ABSTRACT:
Lead wires of large electric motors are routed through annular shrouds located inside of the motor housing to surround respective stator coilheads. Each of the shrouds includes at least one attachment portion defining an opening for passage of the leads. In one embodiment, a support element defining a lead channel aligns with the lead opening. The support element includes a mounting structure for attachment of a conduit box thereon. A seal arrangement having a planar seal element may be provided in the lead channel to support and separate the individual leads, while providing a seal to inhibit passage of cooling air from the housing interior into the conduit box. In another embodiment, a cover arrangement is attached directly to the attachment portion of the shroud. The cover arrangement may include a flexible gasket juxtaposed to a rigid cover plate.

REFERENCES:
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JP Abstract 1-283040, Kano, Nov. 1989.
JP Abstract 4-117150, Nakamura et al., Apr. 17, 1992.
JP Abstract 8-182244, Yutaka, Jul. 12, 1996.

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