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公开(公告)号：US08711514B2
公开(公告)日：2014-04-29
申请号：US13613109
申请日：2012-09-13
申请人： Shuji Iwasaki , Yoichi Sekii , Takehito Tamaoka , Hideki Nishimura , Kazuto Miyajima , Takuro Iguchi , Kazuhiro Sato , Takeyuki Shuto
发明人： Shuji Iwasaki , Yoichi Sekii , Takehito Tamaoka , Hideki Nishimura , Kazuto Miyajima , Takuro Iguchi , Kazuhiro Sato , Takeyuki Shuto
IPC分类号： G11B5/39
CPC分类号： H02K5/167 , F16C17/107 , F16C33/103 , F16C33/107 , F16C33/745 , F16C2226/12 , F16C2226/40 , F16C2226/60 , F16C2370/12 , G11B19/2036 , H02K5/1677 , H02K7/086
摘要： A motor includes a shaft component including an inner shaft portion and an outer shaft portion. A radial gap is defined between a sleeve portion and the outer shaft portion. A radial dynamic pressure generating groove array is arranged on at least one surface of an inner circumferential surface of the sleeve portion and an outer circumferential surface of the outer shaft portion, which define the radial gap. The radial dynamic pressure generating groove array includes an upper and lower radial dynamic pressure generating groove array. The inner shaft portion is fixed to the outer shaft portion in an interference fit. An axial range of a fixing region of the inner shaft portion and the outer shaft portion which is in the interference fit is included in a range between the upper and lower radial dynamic pressure generating groove array.
摘要翻译： 电动机包括轴组件，其包括内轴部分和外轴部分。 径向间隙限定在套筒部分和外轴部分之间。 径向动压产生槽阵列布置在套筒部分的内圆周表面的至少一个表面和限定径向间隙的外轴部分的外圆周表面上。 径向动压产生槽阵列包括上和下径向动压产生凹槽阵列。 内轴部以过盈配合固定在外轴部。 内轴部和外轴部的紧固配合的固定区域的轴向范围包含在上部和下部径向动态压力产生槽阵列之间的范围内。
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公开(公告)号：US20130242429A1
公开(公告)日：2013-09-19
申请号：US13613109
申请日：2012-09-13
申请人： Shuji Iwasaki , Yoichi Sekii , Takehito Tamaoka , Hideki Nishimura , Kazuto Miyajima , Takuro Iguchi , Kazuhiro Sato , Takeyuki Shuto
发明人： Shuji Iwasaki , Yoichi Sekii , Takehito Tamaoka , Hideki Nishimura , Kazuto Miyajima , Takuro Iguchi , Kazuhiro Sato , Takeyuki Shuto
CPC分类号： H02K5/167 , F16C17/107 , F16C33/103 , F16C33/107 , F16C33/745 , F16C2226/12 , F16C2226/40 , F16C2226/60 , F16C2370/12 , G11B19/2036 , H02K5/1677 , H02K7/086
摘要： A motor includes a shaft component including an inner shaft portion and an outer shaft portion. A radial gap is defined between a sleeve portion and the outer shaft portion. A radial dynamic pressure generating groove array is arranged on at least one surface of an inner circumferential surface of the sleeve portion and an outer circumferential surface of the outer shaft portion, which define the radial gap. The radial dynamic pressure generating groove array includes an upper and lower radial dynamic pressure generating groove array. The inner shaft portion is fixed to the outer shaft portion in an interference fit. An axial range of a fixing region of the inner shaft portion and the outer shaft portion which is in the interference fit is included in a range between the upper and lower radial dynamic pressure generating groove array.
摘要翻译： 电动机包括轴组件，其包括内轴部分和外轴部分。 径向间隙限定在套筒部分和外轴部分之间。 径向动压产生槽阵列布置在套筒部分的内圆周表面的至少一个表面和限定径向间隙的外轴部分的外圆周表面上。 径向动压产生槽阵列包括上和下径向动压产生凹槽阵列。 内轴部以过盈配合固定在外轴部。 内轴部和外轴部的紧固配合的固定区域的轴向范围包含在上部和下部径向动态压力产生槽阵列之间的范围内。
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公开(公告)号：US20130083427A1
公开(公告)日：2013-04-04
申请号：US13613108
申请日：2012-09-13
申请人： Shuji IWASAKI , Yoichi SEKII , Takehito TAMAOKA , Hideki NISHIMURA , Kazuto MIYAJIMA , Takuro IGUCHI , Kazuhiro SATO , Takeyuki SHUTO
发明人： Shuji IWASAKI , Yoichi SEKII , Takehito TAMAOKA , Hideki NISHIMURA , Kazuto MIYAJIMA , Takuro IGUCHI , Kazuhiro SATO , Takeyuki SHUTO
CPC分类号： G11B19/2009 , H02K5/1677
摘要： A motor includes a shaft component, an upper plate portion, a lower plate portion, and a sleeve portion. The shaft component includes an inner shaft portion and an outer shaft portion. The upper plate portion defines a single monolithic member with one of the inner shaft portion and the outer shaft portion. The lower plate portion defines a single monolithic member with the other of the inner shaft portion and the outer shaft portion. The sleeve portion is disposed between the upper plate portion and the lower plate portion. A radial gap is defined between the sleeve portion and the outer shaft portion. A fixing range in which the outer shaft portion and the inner shaft portion radially overlap is arranged. At least a portion in an axial direction of the fixing range radially overlaps with an existing range in the axial direction of the radial gap.
摘要翻译： 电动机包括轴部件，上板部分，下板部分和套筒部分。 轴部件包括内轴部分和外轴部分。 上板部分限定了具有内轴部分和外轴部分中的一个的单个整体部件。 下板部分与内轴部分和外轴部分中的另一个部分形成单个整体部件。 套筒部分设置在上板部分和下板部分之间。 径向间隙限定在套筒部分和外轴部分之间。 布置外轴部和内轴部径向重叠的固定范围。 固定范围的轴向的至少一部分与径向间隙的轴向的现有范围径向重叠。
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公开(公告)号：US08514515B2
公开(公告)日：2013-08-20
申请号：US13613108
申请日：2012-09-13
申请人： Shuji Iwasaki , Yoichi Sekii , Takehito Tamaoka , Hideki Nishimura , Kazuto Miyajima , Takuro Iguchi , Kazuhiro Sato , Takeyuki Shuto
发明人： Shuji Iwasaki , Yoichi Sekii , Takehito Tamaoka , Hideki Nishimura , Kazuto Miyajima , Takuro Iguchi , Kazuhiro Sato , Takeyuki Shuto
IPC分类号： G11B17/02
CPC分类号： G11B19/2009 , H02K5/1677
摘要： A motor includes a shaft component, an upper plate portion, a lower plate portion, and a sleeve portion. The shaft component includes an inner shaft portion and an outer shaft portion. The upper plate portion defines a single monolithic member with one of the inner shaft portion and the outer shaft portion. The lower plate portion defines a single monolithic member with the other of the inner shaft portion and the outer shaft portion. The sleeve portion is disposed between the upper plate portion and the lower plate portion. A radial gap is defined between the sleeve portion and the outer shaft portion. A fixing range in which the outer shaft portion and the inner shaft portion radially overlap is arranged. At least a portion in an axial direction of the fixing range radially overlaps with an existing range in the axial direction of the radial gap.
摘要翻译： 电动机包括轴部件，上板部分，下板部分和套筒部分。 轴部件包括内轴部分和外轴部分。 上板部分限定了具有内轴部分和外轴部分中的一个的单个整体部件。 下板部分与内轴部分和外轴部分中的另一个部分形成单个整体部件。 套筒部分设置在上板部分和下板部分之间。 径向间隙限定在套筒部分和外轴部分之间。 布置外轴部和内轴部径向重叠的固定范围。 固定范围的轴向的至少一部分与径向间隙的轴向的现有范围径向重叠。
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