Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1998-07-24
1999-07-27
Dougherty, Thomas M.
Electrical generator or motor structure
Dynamoelectric
Rotary
310217, 310218, 310265, 310267, 310268, 310259, 310262, 310162, 310156, 310 91, 310258, H02K 100
Patent
active
059295511
ABSTRACT:
A rotor assembly for a synchronous reluctance machine has a plurality of steel punched star-shaped supports secured along a shaft at spaced locations for retaining a plurality of laminated rotor sections. The star-shaped supports have four equiangularly spaced arms having arcuate valleys disposed therebetween that define a plurality of channels for receiving the rotor sections. The rotor sections have a plurality of linearly-disposed apertures for receiving mounting members that extend radially from the valleys of the star-shaped supports. The portions of free ends of the mounting members that extend through the apertures, are stamped or formed to secure the rotor sections to the star-shaped supports. A rotor bar may be disposed within a concave cavity defined by the rotor sections to reduce audible noise produced as the rotor rotates at a high rate of speed.
REFERENCES:
patent: 1538196 (1925-05-01), Livingston
patent: 2547599 (1951-04-01), Roters
patent: 4864175 (1989-09-01), Rossi
patent: 5449963 (1995-09-01), Mok
patent: 5744893 (1998-04-01), Zhao et al.
patent: 5831367 (1998-11-01), Fei et al.
El-Antably Ahmed Mostafa
Erfanfar Moshen M.
Cichosz Vincent A.
Dobrowitsky Margaret A.
Dougherty Thomas M.
General Motors Corporation
Lam Thanh
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