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1. 发明授权

EP2762385B1 POWER ASSIST APPARATUS 有权
标题翻译：电源辅助设备
公开(公告)号：EP2762385B1
公开(公告)日：2017-08-23
申请号：EP12834901.6
申请日：2012-09-28
申请人： NSK Ltd.
发明人： KIYOTA Haruhiko , MURAKAMI Takeshi
IPC分类号： B62D5/04 , G01L5/22 , B62D6/10 , G01L3/10
CPC分类号： B62D5/0403 , B62D5/0409 , B62D6/10 , G01L3/101 , G01L5/221

2. 发明公开

EP2960549A1 WORM WHEEL, AND ELECTRIC POWER STEERING DEVICE 有权
标题翻译：蜗轮和电动转向装置
公开(公告)号：EP2960549A1
公开(公告)日：2015-12-30
申请号：EP14754667.5
申请日：2014-02-24
申请人： NSK Ltd.
发明人： KIYOTA Haruhiko , YAMAMOTO Takeshi , MITSUHASHI Fumiaki
IPC分类号： F16H55/22 , B62D5/04 , F16H55/06
CPC分类号： B62D5/0409 , F16H55/06 , F16H55/22 , F16H57/0006 , F16H2055/065 , Y10T74/19907 , Y10T74/19921 , Y10T74/19953
摘要： A core of a worm wheel has an axial end surface formed with a first annular recess nad and another axial end surface formed with a second annular recess. A rim portion has a first inner circumferential portion fixed to the first annular recess and a second inner circumferential portion fixed to the second annular recess. An outer circumferential wall surface of the second annular recess extends from a bottom surface of the second annular recess so as to be perpendicular to the bottom surface. A depth of the second annular recess is at least 0.1 mm but not deeper than half of a gate thickness.
摘要翻译：蜗轮的芯部具有形成有第一环形凹槽槽的轴向端面和形成有第二环形凹槽的另一轴向端面。边缘部分具有固定到第一环形凹槽的第一内圆周部分和固定到第二环形凹槽的第二内圆周部分。第二环形凹槽的外圆周壁表面从第二环形凹槽的底表面延伸，从而垂直于底表面。第二环形凹槽的深度至少为0.1mm，但不超过浇口厚度的一半。

3. 发明公开

EP2960550A1 WORM WHEEL, AND ELECTRIC POWER STEERING DEVICE 无效
标题翻译： SCHNECKENRAD UND ELEKTRISCHE SERVOLENKVORRICHTUNG
公开(公告)号：EP2960550A1
公开(公告)日：2015-12-30
申请号：EP14754948.9
申请日：2014-02-24
申请人： NSK Ltd.
发明人： KIYOTA Haruhiko , YAMAMOTO Takeshi , MITSUHASHI Fumiaki
IPC分类号： F16H55/22 , B62D5/04 , F16H55/06
CPC分类号： B62D5/0409 , F16H55/06 , F16H55/22 , F16H57/0006 , F16H2055/065 , Y10T74/19907 , Y10T74/19921 , Y10T74/19953
摘要： A core of a worm wheel has an axial end surface formed with a first annular recess nad and another axial end surface formed with a second annular recess. An outer circumferential wall surface of a radially outer region of the second annular recess has a tapered surface extending from a bottom surface of the second annular recess to form an obtuse angle relative to the bottom surface, and a third annular recess formed radially outside the tapered surface. A cross-section of the third annular recess is a right-angled triangle having, as two sides, a surface parallel to the bottom surface of the second annular recess and a surface perpendicular to the bottom surface of the second annular recess. A rim portion has a first inner circumferential portion fixed to the first annular recess and a second inner circumferential portion fixed to the second annular recess.
摘要翻译：蜗轮的芯部具有形成有第一环形凹部的轴向端面和形成有第二环形凹部的另一个轴向端面。第二环形凹部的径向外部区域的外周壁表面具有从第二环形凹部的底表面延伸的锥形表面，以相对于底表面形成钝角，以及形成在锥形的径向外侧的第三环形凹部表面。第三环形凹部的横截面是直角三角形，其具有平行于第二环形凹部的底表面的表面和垂直于第二环形凹部的底表面的表面的两侧。边缘部分具有固定到第一环形凹部的第一内周部分和固定到第二环形凹部的第二内圆周部分。

4. 发明公开

EP2960548A1 WORM WHEEL, AND ELECTRIC POWER STEERING DEVICE 有权
标题翻译：蜗轮和电动转向装置
公开(公告)号：EP2960548A1
公开(公告)日：2015-12-30
申请号：EP14753780.7
申请日：2014-02-24
申请人： NSK Ltd.
发明人： KIYOTA Haruhiko , YAMAMOTO Takeshi , MITSUHASHI Fumiaki
IPC分类号： F16H55/22 , B62D5/04 , F16H55/06
CPC分类号： B62D5/0409 , F16H55/06 , F16H55/22 , F16H57/0006 , F16H2055/065 , Y10T74/19907 , Y10T74/19921 , Y10T74/19953
摘要： A core of a worm wheel has an axial end surface formed with a first annular recess, another axial end surface formed with a second annular recess, and a third annular recess formed in a radially outer region of the first annular recess. A rim portion has a first inner circumferential portion fixed to the first annular recess, a second inner circumferential portion fixed to the second annular recess, and a protrusion engaged with the third annular recess.
摘要翻译：蜗轮的芯部具有形成有第一环形凹部的轴向端面，形成有第二环形凹部的另一轴向端面以及形成在第一环形凹部的径向外部区域中的第三环形凹部。边缘部分具有固定到第一环形凹槽的第一内圆周部分，固定到第二环形凹槽的第二内圆周部分和与第三环形凹槽接合的突起。

5. 发明公开

EP2762385A1 ELECTRIC ASSIST DEVICE 有权
标题翻译： LEISTUNGSHILFSVORRICHTUNG
公开(公告)号：EP2762385A1
公开(公告)日：2014-08-06
申请号：EP12834901.6
申请日：2012-09-28
申请人： NSK Ltd.
发明人： KIYOTA Haruhiko , MURAKAMI Takeshi
IPC分类号： B62D5/04 , G01L5/22
CPC分类号： B62D5/0403 , B62D5/0409 , B62D6/10 , G01L3/101 , G01L5/221
摘要： A power assist apparatus includes an electric motor, a speed reducer, an annular torque sensor, a housing in which the speed reducer and the torque sensor are arranged, and an annular center aligning bracket. The housing includes a first housing element and a second housing element, and one of the first housing element and the second housing element is made of a synthetic resin. The center aligning bracket is fixed to the one of the first housing element and the second housing element by insert molding such that the center aligning bracket is concentric to the one of the first housing element and the second housing element. The first housing element and the second housing element are joined such that the first housing element and the second housing element are engaged with each other in an axial direction of the torque sensor via the center aligning bracket.
摘要翻译：动力辅助装置包括电动机，减速器，环形扭矩传感器，其中设置有减速器和扭矩传感器的壳体和环形中心对准支架。壳体包括第一壳体元件和第二壳体元件，并且第一壳体元件和第二壳体元件中的一个由合成树脂制成。中心对准支架通过插入模制固定到第一壳体元件和第二壳体元件中的一个，使得中心对准支架与第一壳体元件和第二壳体元件之一同心。第一壳体元件和第二壳体元件被接合，使得第一壳体元件和第二壳体元件经由中心对准支架在扭矩传感器的轴向方向上彼此接合。

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