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1. 发明公开

EP1601088A3 Stepping motor for use in high-temperature environments 审中-公开
标题翻译：步进电动机在高温环境下使用
公开(公告)号：EP1601088A3
公开(公告)日：2007-04-18
申请号：EP05010958.6
申请日：2005-05-20
申请人： Minebea Co. Ltd.
发明人： Hata, Masato , Suzuki, Yuzuru , Fukushima, Atsushi , Harada, Naoyuki
IPC分类号： H02K37/14 , H02K1/28
CPC分类号： H02K37/14 , H02K1/28 , H02K5/1672 , H02K37/22
摘要： There is provided a stepping motor comprising: a stator assembly; a rotor assembly rotatably disposed inside the stator assembly, and including a rotary shaft rotatably supported by bearings, a sleeve fixedly attached onto the rotary shaft, and at least one magnet disposed outside the sleeve; and a preloading mechanism disposed between the sleeve and one of the bearings, and including a coil spring, and a spring holder which is composed of an outer case shaped in a cup-like configuration and an inner case shaped in a cup-like configuration, and which is adapted to house the coil spring. In the stepping motor described above, the spring holder of the preloading mechanism is formed of reinforced polyamide resin, and a washer member having a high sliladability is disposed between the preloading mechanism and the one bearing.

2. 发明公开

EP1601088A2 Stepping motor for use in high-temperature environments 审中-公开
标题翻译：在Umgebungen mit hoher Temperatur的Schrittmotor zur Verwendung
公开(公告)号：EP1601088A2
公开(公告)日：2005-11-30
申请号：EP05010958.6
申请日：2005-05-20
申请人： Minebea Co. Ltd.
发明人： Hata, Masato , Suzuki, Yuzuru , Fukushima, Atsushi , Harada, Naoyuki
IPC分类号： H02K37/14 , H02K1/28
CPC分类号： H02K37/14 , H02K1/28 , H02K5/1672 , H02K37/22
摘要： There is provided a stepping motor comprising: a stator assembly; a rotor assembly rotatably disposed inside the stator assembly, and including a rotary shaft rotatably supported by bearings, a sleeve fixedly attached onto the rotary shaft, and at least one magnet disposed outside the sleeve; and a preloading mechanism disposed between the sleeve and one of the bearings, and including a coil spring, and a spring holder which is composed of an outer case shaped in a cup-like configuration and an inner case shaped in a cup-like configuration, and which is adapted to house the coil spring. In the stepping motor described above, the spring holder of the preloading mechanism is formed of reinforced polyamide resin, and a washer member having a high sliladability is disposed between the preloading mechanism and the one bearing.
摘要翻译：提供了一种步进电机，包括：定子组件; 转子组件，其可旋转地设置在所述定子组件的内部，并且包括由轴承可旋转地支撑的旋转轴，固定地附接到所述旋转轴上的套筒和设置在所述套筒外部的至少一个磁体; 以及设置在套筒和其中一个轴承之间并且包括螺旋弹簧的预加载机构和由杯状构造形状的外壳和呈杯形构造的内壳构成的弹簧保持器，并且其适于容纳螺旋弹簧。在上述步进电机中，预加载机构的弹簧保持架由增强聚酰胺树脂形成，并且在预压机构和一个轴承之间设置具有高可滑移性的垫圈构件。

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