A synchronous machine and a process of manufacturing a synchronous machine

A synchronous machine and a process of manufacturing a synchronous machine

  • CN 101,529,694 A
  • Filed: 08/15/2007
  • Published: 09/09/2009
  • Est. Priority Date: 08/16/2006
  • Status: Active Application
First Claim
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1. synchronous machine, it comprises stator and rotor (10), the rotor of substantial cylindrical (10) has surface portion and rotor core part (12), described rotor (10) is provided with the mouse cage (16) that is positioned on the described surface portion, described mouse cage (16) is formed by the ring (18) that is placed in the conducting rod in the cage grooves (16) and in its end described conducting rod is interconnectedDescribed rotor (10) also comprises at least one pair of permanent magnet (22), and described permanent magnet (22) is placed in the described magnet-fixation grooves (20), and described magnet-fixation grooves (20) is prolonged on the rotor core (12) that is longitudinal positioning of described rotor (10),Described motor is characterised in that:

  • Described holddown groove (20) has the cross section of basic rectangle, and this cross section has engaging zones (R E) and first free end portion (25) and second free end portion (26), described holddown groove (20) extends along described rotor (10), and described permanent magnet (22) is fixed on described engaging zones (R explicitly with described rotor (10) E) in, described holddown groove (20) positions with the surface portion of secant mode with respect to described rotor (10), described holddown groove (20) has first elongation end (101), this first elongation end (101) is configured to produce magnetic resistance near described first free end portion (25) increase passage (50), described elongation end (101) extends to end adjacent areas with described bottom land (15 '"'"') from described first free end portion (25), described first elongation end (101) forms from the open construction of described rotor (10), described opening is along described rotor (10), and extends along described holddown groove (20).

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