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1. 发明申请

WO2010052177A1 HIGH-EFFICIENCY PERMANENT-MAGNET SYNCHRONOUS MOTOR 审中-公开
标题翻译：高效率永磁同步电机
公开(公告)号：WO2010052177A1
公开(公告)日：2010-05-14
申请号：PCT/EP2009/064416
申请日：2009-11-02
申请人： APPLIANCES COMPONENTS COMPANIES S.p.A. , VEGLIA, Lorenzo , BONACINA, Sergio
发明人： VEGLIA, Lorenzo , BONACINA, Sergio
IPC分类号： H02K21/00
CPC分类号： H02K21/024
摘要： Permanent-magnet electric motor comprising a stator, a rotor that is adapted to translate along its own axis (X) into different positions relative to the stator, a rotating shaft on which the rotor is shhnk-fitted in a freely rotatable manner, and means that are adapted to detect the rotating speed and axially displace the rotor by taking advantage of the centrifugal force. These means comprise a first ring that is integral with and perpendicular to the shaft, situated by the side of the rotor and provided with grooves that are open on the side facing the same rotor; accommodated in these grooves there are respective disks that are able to roll therewithin. Such grooves and the related disks are so arranged and sized relative to each other as to ensure that, as the shaft rotates, said disks are caused to protrude from the grooves to thereby push the rotor axially, so as to cause it to slide axially relative to the stator. When the motor slows down, the axially pushing effect of said disks comes to an end, and the magnetic attraction force between the permanent magnets and the stator is capable of causing the rotor to move back into the initial alignment position thereof.
摘要翻译：永磁电动机包括定子，转子，其适于沿着其自身的轴线（X）平移到相对于定子的不同位置;旋转轴，转子以可自由旋转的方式安装在该转轴上;以及装置其适合于通过利用离心力来检测转速并使转子轴向移位。这些装置包括与转子一体并垂直于轴的第一环，该第一环由转子的侧面设置并设置有在面向同一转子的一侧开口的槽; 容纳在这些槽中的是能够在其上滚动的各自的盘。这样的槽和相关的盘相对于彼此布置和尺寸设置，以确保当轴旋转时，使所述盘从槽突出，从而轴向推动转子，以使其轴向相对滑动到定子。当电动机减速时，所述盘的轴向推动效果结束，并且永磁体和定子之间的磁吸引力能够使转子回到初始对准位置。

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