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    • 4. 发明授权
    • MOTOR-GENERATOR USING PERMANENT MAGNETS
    • 电动发电机使用永久磁铁
    • EP0696391B1
    • 1996-12-18
    • EP94914990.0
    • 1994-04-29
    • OBIDNIAK, Louis
    • OBIDNIAK, Louis
    • H02K25/00H02K47/00
    • H02K47/00H02K25/00
    • An electric motor-generator has a rotor (1), a stator including soft ferromagnetic cores (3, 5) and coils (4, 6), permanent magnets (2) having pole axes in a plane radial to an axis of rotation of the rotor, means for mounting the magnets, the cores and coils to the rotor and stator, and means for energizing the coils. The rotor is caused to rotate by attraction of the magnets to the cores (5) as the magnets and cores approach one another, an opposite attraction force between the magnets and the cores being neutralizeable by energizing the coils (6) as the magnets and cores move apart. The cores are C-shaped and a magnetic circuit is formed when the magnets and cores are in proximate alignment.
    • 一种电动发电机具有转子(1),包括软铁磁芯(3,5)和线圈(4,6)的定子,永磁体(2),永磁体(2)的极轴位于径向于 转子,用于将磁体,铁芯和线圈安装到转子和定子的装置,以及用于激励线圈的装置。 随着磁体和铁芯彼此靠近,通过磁体吸引磁铁而使转子旋转,磁体和铁芯之间的相反吸引力通过激励线圈(6)而被中和,因为磁体和铁芯 分开。 芯是C形的,并且当磁体和芯靠近对齐时形成磁路。
    • 9. 发明公开
    • A MOTOR-GENERATOR SHAFT WITH CENTRIFUGAL FAN BLADES
    • 电动发生器 - 卫生麻醉机ZENTRIFUGALGEBLÄSESCHAUFELN
    • EP3047151A1
    • 2016-07-27
    • EP14844719.6
    • 2014-07-18
    • Altigreen Propulsion Labs Private Limited
    • BANGURA, JohnMOKLEGAARD, LasseSARAN, Amitabh
    • F04D29/28H02K1/32H02K47/00
    • H02K47/00F04D17/16F04D29/281F04D29/582H02K1/28H02K1/32H02K7/003H02K9/06H02K16/00H02K17/165
    • Disclosed in the present invention is a shaft construction for motor-generators and alternators that provides effective airflow and improved overall cooling without the need for an external fan. The shaft comprises a plurality of circumferentially disposed centrifugal fan blades and longitudinal cooling channels. As the shaft rotates, the centrifugal fan blades pull the air inwardly across the winding end-turns on one end of the stator into the housing and propels the w at high pressure through the cooling channels along the shaft to cool the rotor diner circumferential surfaces, winding end-turns on the other end of the stator and bearings mounting surfaces, and exhausts through the exhaust vents on the ends of the housing. The airflow path provides effective cooling of the stator windings, rotor, shaft and bearings that prevents high temperature gradients, thus resulting in improved motor-generator performance.
    • 在本发明中公开了一种用于电动发电机和交流发电机的轴结构,其提供有效的气流和改进的总体冷却,而不需要外部风扇。 轴包括多个周向设置的离心风扇叶片和纵向冷却通道。 当轴旋转时,离心风扇叶片将空气向内拉过定子一端的绕组端匝到壳体中,并且通过沿着轴的冷却通道将w推向高压,以冷却转子餐具周向表面, 在定子和轴承安装表面的另一端上缠绕端头,并通过外壳端部的排气口排出。 气流路径可有效冷却定子绕组,转子,轴和轴承,防止高温梯度,从而导致电机发电机性能的提高。