公开(公告)号：WO2014204469A1

公开(公告)日：2014-12-24

申请号：PCT/US2013/046847

申请日：2013-06-20

Applicant: OTIS ELEVATOR COMPANY

Inventor： PIECH, Zbigniew ,  TANGUDU, Jagadeesh ,  HIMMELMANN, Richard A.

IPC: H02K16/04

CPC classification number: H02K1/27 ,  H02K1/276 ,  H02K1/2766 ,  H02K1/2786 ,  H02K1/30 ,  H02K16/04

Abstract: An electric machine including a rotor and an annularly-shaped first stator is provided. The rotor includes an annularly-shaped rotor body and permanent magnets positionally-fixed relative to the rotor body. The first stator includes circumferentially-spaced stator poles. The rotor and the first stator are concentric and axially-aligned relative to an axial centerline of the electric machine. Each of the permanent magnets creates a magnetic dipole. Each magnetic dipole extends along a dipole axis that passes through the respective permanent magnet. Each dipole axis extends in a first plane. The centerline of the electric machine extends in a second plane that is at least substantially perpendicular to the first plane. Each of the permanent magnets is positioned so that a magnet angle that is between 15° and 75° is defined between the respective dipole axis and a radial axis that extends between the respective permanent magnet and the centerline.

Abstract translation: 提供了包括转子和环形的第一定子的电机。 转子包括环形转子体和相对于转子体位置固定的永磁体。 第一定子包括周向间隔开的定子极。 转子和第一定子相对于电机的轴向中心线是同心的和轴向对准的。 每个永磁体产生磁偶极子。 每个磁偶极子沿着穿过相应永久磁铁的偶极轴延伸。 每个偶极轴在第一平面内延伸。 电机的中心线在至少基本上垂直于第一平面的第二平面中延伸。 每个永磁体被定位成使得在相应的偶极轴线和在相应的永磁体和中心线之间延伸的径向轴线之间限定在15°和75°之间的磁体角度。

公开(公告)号：EP3011664B1

公开(公告)日：2019-01-02

申请号：EP13887070.4

申请日：2013-06-20

Applicant: Otis Elevator Company

Inventor： PIECH, Zbigniew ,  TANGUDU, Jagadeesh ,  HIMMELMANN, Richard A.

IPC: H02K1/27 ,  H02K1/30 ,  H02K16/04

公开(公告)号：EP3011664A1

公开(公告)日：2016-04-27

申请号：EP13887070.4

申请日：2013-06-20

Applicant: Otis Elevator Company

Inventor： PIECH, Zbigniew ,  TANGUDU, Jagadeesh ,  HIMMELMANN, Richard A.

IPC: H02K16/04

CPC classification number: H02K1/27 ,  H02K1/2706 ,  H02K1/276 ,  H02K1/2766 ,  H02K1/2786 ,  H02K1/30 ,  H02K16/04

Abstract: An electric machine including a rotor and an annularly-shaped first stator is provided. The rotor includes an annularly-shaped rotor body and permanent magnets positionally-fixed relative to the rotor body. The first stator includes circumferentially-spaced stator poles. The rotor and the first stator are concentric and axially-aligned relative to an axial centerline of the electric machine. Each of the permanent magnets creates a magnetic dipole. Each magnetic dipole extends along a dipole axis that passes through the respective permanent magnet. Each dipole axis extends in a first plane. The centerline of the electric machine extends in a second plane that is at least substantially perpendicular to the first plane. Each of the permanent magnets is positioned so that a magnet angle that is between 15° and 75° is defined between the respective dipole axis and a radial axis that extends between the respective permanent magnet and the centerline.