Elevator motor with flat construction

Details Elevator motor with flat construction Elevator motor with flat construction

1995-04-03

1998-07-21

Laballe, Clayton E.

Electrical generator or motor structure

Dynamoelectric

Rotary

310261, 310254, 310156, 187 17, 187 27, H02K 122

Patent

active

057838950

ABSTRACT:
An elevator motor (2) employing permanent magnets (30) attached in a circle on the surface (36) of the rotor disc (12). The rotor disc (12) forms part of both the magnetic circuit and the supporting structure of the rotor (13). The permanent magnets (30) are placed in a separate cavity formed in the stator disc and having one side open, the cavity also housing the stator windings (17). The outer cavity wall directed towards the rotor disc (12) is provided with a sealing member to close the cavity.

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patent: 5289069 (1994-02-01), Hasegawa et al.
patent: 5397953 (1995-03-01), Cho
patent: 5440185 (1995-08-01), Allwine, Jr.

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