Damper winding of an elevator motor

Details Damper winding of an elevator motor Damper winding of an elevator motor

1996-03-14

1998-09-22

Dougherty, Thomas M.

Electrical generator or motor structure

Dynamoelectric

Rotary

310182, 310268, 310156, H02K 0000

Patent

active

058119060

ABSTRACT:
Damper winding (13) for an elevator motor provided with permanent magnets (14). The damper winding consists of frames (16) surrounding each permanent magnet (14). Each one of the frames is electrically connected to the adjacent frame (16) or the frames are integrated together. The damper winding (13) can be used as a jig for positioning the magnets when these are being fixed to the rotor disc (6). In one of the embodiments, the magnets and damper winding are fixed to the rotor disc by a form-fit interlocking arrangement.

REFERENCES:
patent: 2872604 (1959-02-01), Speth
patent: 3023330 (1962-02-01), Roters
patent: 3235760 (1966-02-01), Kober
patent: 3334254 (1967-08-01), Kober
patent: 3573517 (1971-04-01), Osterstrom
patent: 4007387 (1977-02-01), Rustecki
patent: 5216339 (1993-06-01), Skybyk
patent: 5229766 (1993-07-01), Dade et al.
patent: 5463263 (1995-10-01), Flynn

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