Rotor for an electric machine having a retaining device for...

Electrical generator or motor structure – Dynamoelectric – Rotary

Reexamination Certificate

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C310S260000, C310S261100

Reexamination Certificate

active

08049393

ABSTRACT:
A rotor for an electric machine includes a rotor yoke having a plurality of axial winding slots distributed on an outer periphery of the rotor yoke; a winding bar disposed in one of the plurality of axial winding slots, the winding bar having at least one winding end emerging axially from the rotor yoke so as to form an end winding; and a retaining device including a plurality of radial bolts, each of the plurality of radial bolts having a head fixedly connected to a shank, wherein the retaining device retains the end winding against a centrifugal force acting on the end winding.

REFERENCES:
patent: 5635785 (1997-06-01), Schwanda et al.
patent: 5927766 (1999-07-01), Rosen
patent: 2003/0152441 (2003-08-01), Monson
patent: 2005/0230510 (2005-10-01), Flanhardt et al.
patent: 701612 (1941-01-01), None
patent: 19519127 (1996-09-01), None
patent: 19513457 (1996-10-01), None
patent: 0736953 (1996-10-01), None
patent: 14680 (1911-06-01), None
patent: 63240343 (1988-10-01), None
patent: WO 9834327 (1998-08-01), None
Machine Translation DE19519127 (1996).
International Search Report for PCT/EP2008/053204, mailed Jul. 8, 2008.
German Search Report for DE 10 2007 000 668.5, dated Sep. 25, 2008.

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