POLYPHASE MACHINE COMPRISING A BELL-SHAPED ROTOR
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United States of America Patent
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Issued Date -
Dec 17, 2009
app pub date -
Dec 7, 2007
filing date -
Dec 7, 2006
priority date (Note) -
Abandoned
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Abstract
The invention relates to an electrical polyphase machine comprising an inner stator (11) and a rotor (3) that is mounted on a shaft (1). Several permanent magnets (13) are disposed so as to rest against the internal face of a cylindrical rotor (3) wall (3a). The permanent magnets (13), along with at least one electrical field coil (9) of the inner stator, generate an excitation flux which penetrates the cylindrical rotor (3) wall (3a). The rotor (3) is fitted with an entraining element (4) which connects the shaft (1) in a rotationally fixed manner to the cylindrical wall (3a). The cylindrical wall (3a) encompasses the entraining element (4), at least partly rests against the same (4), and is fastened thereto.
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