ROTARY ELECTRIC MACHINE EQUIPPED WITH MAGNETIC FLUX VARIABLE MECHANISM

A rotary electric machine equipped with a magnetic flux variable mechanism (30) includes a case body (32), a mover (40) moving upon receipt of centrifugal force, a magnetic flux short circuit member (42), a cam member (44), and biasing springs (46, 47). The cam member (44) includes a cam surface (50...

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Bibliographische Detailangaben
Hauptverfasser: HATTORI, Hiroyuki, MIZUTANI, Tatsuhiko
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A rotary electric machine equipped with a magnetic flux variable mechanism (30) includes a case body (32), a mover (40) moving upon receipt of centrifugal force, a magnetic flux short circuit member (42), a cam member (44), and biasing springs (46, 47). The cam member (44) includes a cam surface (50) so as to face the mover (40) and make contact with the mover (40), and the cam member (44) converts a radial movement of the mover (40) received by the cam surface (50) into an axial movement of the magnetic flux short circuit member (42). The biasing springs (46, 47) give a biasing force to the magnetic flux short circuit member (42) in a direction distanced from an axial end surface (28) of the rotor core (22), so as to determine a position of the magnetic flux short circuit member (42) along the axial direction in a state where the biasing force is balanced with the centrifugal force applied to the mover (40) via the cam member (44).