Rotor for an electrodynamic machine

Details Rotor for an electrodynamic machine Rotor for an electrodynamic machine

H - Electricity

02

K

H02K 1/32 (2006.01) H02K 1/26 (2006.01)

Patent

CA 2681975

Disclosed is a rotor for an electrodynamic machine, particularly a hydro generator. Said rotor comprises a sheet metal member that is composed of a plurality of sheet metal segments (10) which are arranged behind one another in an axial direction. Spacing webs (14) are inserted between axially successive sheet metal segments (10) in order to form cooling ducts. The spacing webs (14) are supported on bolts (12) extending through the sheet metal member of the rotor in an axial direction in order to absorb centrifugal forces that are applied to the spacing webs (14).

La présente invention concerne un rotor pour une machine électrodynamique, en particulier un hydrogénérateur, lequel rotor comprend un corps en tôle qui est composé de plusieurs segments de tôle (10) placés les uns derrière les autres dans la direction axiale. Des barrettes d'écartement (14) sont introduites entre des segments de tôle (10) qui se suivent dans la direction axiale afin de former des canaux de refroidissement. Ces barrettes d'écartement (14) s'appuient contre des boulons (12) qui passent à travers le corps en tôle du rotor dans la direction axiale, afin d'absorber des forces centrifuges s'exerçant sur elles.

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