Rotor for an electric motor

Details Rotor for an electric motor Rotor for an electric motor

2007-07-24

2007-07-24

Mullins, Burton (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S211000

Reexamination Certificate

active

10539500

ABSTRACT:
The invention relates to a rotor for an electric motor, especially an electric line-start motor, comprising spaces (4to7) which receive permanent magnets (10to13) and extend in an axial direction, and spaces (20to25) that accommodate conductor rods and extend in an axial direction. In order for the rotor to run as regularly as possible, the spaces (20to25) accommodating the conductor rods are provided with a substantially elongate cross-section in at least one sector of the rotor while being embodied in a curved manner along the longitudinal axis thereof in said sector when viewed from a cross-sectional perspective.

REFERENCES:
patent: 3113230 (1963-12-01), Linkous
patent: 4358696 (1982-11-01), Liu et al.
patent: 5182483 (1993-01-01), Hibino et al.
patent: 5498918 (1996-03-01), Weihrauch
patent: 6223416 (2001-05-01), Boyd, Jr. et al.
patent: 6727624 (2004-04-01), Morita et al.
patent: 458 510 (1968-08-01), None
patent: 740 689 (1943-05-01), None
patent: 1 177 247 (1970-01-01), None
patent: 56-71442 (1981-06-01), None
patent: WO 97/45942 (1997-12-01), None
patent: WO 01/06624 (2001-01-01), None
Translation of JP 56-71442, “Electric Motor”, T.Nakada, Jun. 15, 1981.

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