公开(公告)号：US20050147336A1

公开(公告)日：2005-07-07

申请号：US10506561

申请日：2004-01-09

申请人： Yuji Shishido ,  Kenichiro Yazawa ,  Kiyoyuki Takada ,  Toshio Hashimoto

发明人： Yuji Shishido ,  Kenichiro Yazawa ,  Kiyoyuki Takada ,  Toshio Hashimoto

IPC分类号： F16C17/02 ,  F04D29/04 ,  F04D29/051 ,  F04D29/057 ,  F04D29/06 ,  F16C17/04 ,  F16C17/10 ,  F16C33/10 ,  F16C35/02 ,  H02K5/15 ,  H02K5/167 ,  H02K7/08 ,  F16C32/06

CPC分类号： F04D29/0513 ,  F04D29/057 ,  F04D29/063 ,  F16C17/107 ,  F16C33/103 ,  F16C33/107 ,  H02K7/085

摘要： A reliable bearing unit, in which lubricant does not leak and the problem of shaft lifting at the time of the rotation of a rotor due to the imbalance of a pair of dynamic pressure generating grooves can be surely and inexpensively solved, and a rotary drive apparatus including the bearing unit are provided. Accordingly, a shaft 100 which has an exposed end 160, an inner end 162 of a small external diameter provided opposite to the exposed end 160, and a stepped middle portion 170 formed between the exposed end 160 and the inner end 162; a thrust bearing 130 which supports the inner end 162 of the shaft 100 in a rotatable manner in the thrust direction; and lubricant 150 in a retention member 120 which is filled between the shaft 100, a radial bearing 110 and the thrust bearing 130 are provided; and the length m of the inner end 162 of the shaft 100 in the direction of the shaft is shorter than the length n in the direction of the shaft of the part between the outer surface of the retention member 120 and the stepped middle portion 170 of the shaft 100.

摘要翻译： 可以可靠且低成本地解决润滑剂不泄漏的可靠的轴承单元和由于一对动压产生槽的不平衡而使转子旋转时的轴提升的问题，并且旋转驱动装置 包括轴承单元。 因此，具有暴露端160的轴100，与暴露端160相对设置的小外径的内端162和形成在暴露端160和内端162之间的台阶状中间部170; 推力轴承130，其在推力方向上以可旋转的方式支撑轴100的内端162; 并且设置在填充在轴1​​00，径向轴承110和止推轴承130之间的保持构件120中的润滑剂150; 并且轴100的内端162在轴的方向上的长度m比保持构件120的外表面和台阶中间部170之间的部分的轴的方向上的长度n短 轴100。

公开(公告)号：US20070071377A1

公开(公告)日：2007-03-29

申请号：US11604720

申请日：2006-11-28

申请人： Yuji Shishido ,  Kenichiro Yazawa ,  Takeshi Kaneko ,  Kiyoyuki Takada ,  Hiroshi Sato ,  Yoshiaki Kakinuma ,  Ichiro Nakamura

发明人： Yuji Shishido ,  Kenichiro Yazawa ,  Takeshi Kaneko ,  Kiyoyuki Takada ,  Hiroshi Sato ,  Yoshiaki Kakinuma ,  Ichiro Nakamura

IPC分类号： F16C17/10

CPC分类号： F16C33/107 ,  F16C17/026 ,  F16C17/107 ,  F16C33/103 ,  H02K5/1675 ,  H02K7/085

摘要： A bearing unit for rotatably supporting a shaft comprises a seamless holding member with a gap allowing a shaft to run through and extend to the outside, a bearing arranged in the inside of the holding member to rotatably support the shaft so as to make it radially revolvable, an anti-shaft-release member fitted to the shaft so as to abut the bearing in order to prevent the shaft from slipping away in the thrusting direction and a space-forming member arranged in the inside of the holding member so as to secure a space around the anti-shaft-release member. A bearing unit may further comprise an lubricating oil seal member and the space-forming member may be used to form a passage way for lubricating oil to prevent lubricating oil from leaking.

公开(公告)号：US20070036475A1

公开(公告)日：2007-02-15

申请号：US11584489

申请日：2006-10-23

申请人： Yuji Shishido ,  Kenichiro Yazawa ,  Takeshi Kaneko ,  Kiyoyuki Takada ,  Hiroshi Sato ,  Yoshiaki Kakinuma ,  Ichiro Nakamura

发明人： Yuji Shishido ,  Kenichiro Yazawa ,  Takeshi Kaneko ,  Kiyoyuki Takada ,  Hiroshi Sato ,  Yoshiaki Kakinuma ,  Ichiro Nakamura

IPC分类号： F16C32/06

CPC分类号： F16C33/107 ,  F16C17/026 ,  F16C17/107 ,  F16C33/103 ,  H02K5/1675 ,  H02K7/085

摘要： A bearing unit (90) for rotatably supporting a shaft (100) comprises a seamless holding member (120) with a gap allowing a shaft to run through and extend to the outside, a bearing (130) arranged in the inside of the holding member to rotatably support the shaft so as to make it radially revolvable, an anti-shaft-release member (115) fitted to the shaft so as to abut the bearing in order to prevent the shaft from slipping away in the thrusting direction and a space-forming member (113) arranged in the inside of the holding member so as to secure a space around the anti-shaft-release member. A bearing unit may further comprise an lubricating oil seal member and the space-forming member may be used to form a passage way for lubricating oil to prevent lubricating oil from leaking.

摘要翻译： 用于可旋转地支撑轴（100）的轴承单元（90）包括具有允许轴穿过并延伸到外部的间隙的无缝保持构件（120），布置在保持构件内部的轴承（130） 为了可旋转地支撑轴以使其可径向旋转，安装在轴上的防轴释放构件（115）以便抵靠轴承，以防止轴在推动方向上滑落， 形成构件（113），其设置在所述保持构件的内部，以便确保所述防轴释放构件周围的空间。 轴承单元还可以包括润滑油密封构件，并且空间形成构件可以用于形成用于润滑油的通道，以防止润滑油泄漏。

公开(公告)号：US07438475B2

公开(公告)日：2008-10-21

申请号：US10969062

申请日：2004-10-21

申请人： Kenichiro Yazawa ,  Takeshi Kaneko ,  Kiyoyuki Takada ,  Yoshiaki Kakinuma ,  Hiroshi Sato ,  Yuji Shishido

发明人： Kenichiro Yazawa ,  Takeshi Kaneko ,  Kiyoyuki Takada ,  Yoshiaki Kakinuma ,  Hiroshi Sato ,  Yuji Shishido

IPC分类号： F16C32/06

CPC分类号： G11B19/2009 ,  F16C17/107 ,  F16C33/74 ,  F16C43/02 ,  F16C2370/12 ,  Y10S384/903

摘要： A bearing unit comprises a shaft, a radial bearing for supporting the shaft in a peripheral rotation direction of the shaft, a thrust bearing supporting an end of the shaft in a thrust direction of the shaft, a housing made of a molded body of a synthetic resin, inside of which housing the radial bearing and the thrust bearing are arranged, the housing having a sealed configuration except for a shaft insertion hole, through which the shaft is inserted, a slip-out preventing member provided on an end side of the radial bearing at which the thrust bearing is provided, the slip-out preventing member preventing the shaft from slipping out from the radial bearing, and a viscous fluid filled in the housing. The slip-out preventing member is made of a material having a thermal deformation temperature higher than a temperature applied to the slip-out preventing member upon molding of the housing.

摘要翻译： 轴承单元包括轴，用于沿轴的周向旋转方向支撑轴的径向轴承，在轴的推力方向上支撑轴的端部的推力轴承，由合成的成型体制成的壳体 在其内部设置有径向轴承和推力轴承的树脂，壳体具有密封构造，除了插入轴的轴插入孔外，设置在径向的端部侧的防脱出构件 提供止推轴承的轴承，防止轴从径向轴承滑出的防滑部件和填充在壳体中的粘性流体。 防脱出构件由在壳体成型时具有高于施加到防脱出构件的温度的热变形温度的材料制成。

公开(公告)号：US20050220378A1

公开(公告)日：2005-10-06

申请号：US10512826

申请日：2004-03-01

申请人： Takeshi Kaneko ,  Kenichiro Yazawa ,  Yuji Shishido ,  Kiyoyuki Takada ,  Yoshiaki Kakinuma ,  Hiroshi Sato

发明人： Takeshi Kaneko ,  Kenichiro Yazawa ,  Yuji Shishido ,  Kiyoyuki Takada ,  Yoshiaki Kakinuma ,  Hiroshi Sato

IPC分类号： F16C17/02 ,  F16C17/08 ,  F16C17/10 ,  F16C17/22 ,  F16C33/10 ,  F16C35/02 ,  H02K5/16 ,  H02K7/08 ,  F16C32/06

摘要： The present invention relates to bearing unit for supporting a shaft 2 so as to freely rotate and includes a radial bearing 4 for supporting the shaft 2 so as to freely rotate and a housing member 6 made of a resin for holding the radial bearing 4. The housing member 6 is formed with a material having a coefficient of thermal contraction larger than that of a material used for the radial bearing 4. Assuming that the radial thickness of the radial bearing 4 is m and the radial thickness of a housing main body part of the housing member 6 with which the outer periphery of the radial bearing is covered is n, a relation of m>n is satisfied. Thus, an influence due to a thermal contraction upon molding is prevented from being applied to the radial bearing.

摘要翻译： 本发明涉及用于支撑轴2以自由旋转的轴承单元，并且包括用于支撑轴2以便自由旋转的径向轴承4和由用于保持径向轴承4的树脂制成的壳体部件6。 壳体构件6形成有热收缩系数大于用于径向轴承4的材料的热收缩系数的材料。假设径向轴承4的径向厚度为m，壳体主体的径向厚度为 覆盖径向轴承的外周的壳体构件6为n，满足m> n的关系。 因此，防止了由于在成型时的热收缩而产生的影响被施加到径向轴承。

公开(公告)号：US07775719B2

公开(公告)日：2010-08-17

申请号：US11584606

申请日：2006-10-23

申请人： Yuji Shishido ,  Kenichiro Yazawa ,  Takeshi Kaneko ,  Kiyoyuki Takada ,  Hiroshi Sato ,  Yoshiaki Kakinuma ,  Ichiro Nakamura

发明人： Yuji Shishido ,  Kenichiro Yazawa ,  Takeshi Kaneko ,  Kiyoyuki Takada ,  Hiroshi Sato ,  Yoshiaki Kakinuma ,  Ichiro Nakamura

IPC分类号： F16C32/06 ,  H02K7/08

CPC分类号： F16C33/107 ,  F16C17/026 ,  F16C17/107 ,  F16C33/103 ,  H02K5/1675 ,  H02K7/085

摘要： A bearing unit (90) for rotatably supporting a shaft (100) comprises a seamless holding member (120) with a gap allowing a shaft to run through and extend to the outside, a bearing (130) arranged in the inside of the holding member to rotatably support the shaft so as to make it radially revolvable, an anti-shaft-release member (115) fitted to the shaft so as to abut the bearing in order to prevent the shaft from slipping away in the thrusting direction and a space-forming member (113) arranged in the inside of the holding member so as to secure a space around the anti-shaft-release member. A bearing unit may further comprise an lubricating oil seal member and the space-forming member may be used to form a passage way for lubricating oil to prevent lubricating oil from leaking.

摘要翻译： 用于可旋转地支撑轴（100）的轴承单元（90）包括具有允许轴穿过并延伸到外部的间隙的无缝保持构件（120），布置在保持构件内部的轴承（130） 为了可旋转地支撑轴以使其可径向旋转，安装在轴上的防轴释放构件（115）以便抵靠轴承，以防止轴在推动方向上滑落， 形成构件（113），其设置在所述保持构件的内部，以便确保所述防轴释放构件周围的空间。 轴承单元还可以包括润滑油密封构件，并且空间形成构件可以用于形成用于润滑油的通道，以防止润滑油泄漏。

公开(公告)号：US20070037652A1

公开(公告)日：2007-02-15

申请号：US11584606

申请日：2006-10-23

申请人： Yuji Shishido ,  Kenichiro Yazawa ,  Takeshi Kaneko ,  Kiyoyuki Takada ,  Hiroshi Sato ,  Yoshiaki Kakinuma ,  Ichiro Nakamura

发明人： Yuji Shishido ,  Kenichiro Yazawa ,  Takeshi Kaneko ,  Kiyoyuki Takada ,  Hiroshi Sato ,  Yoshiaki Kakinuma ,  Ichiro Nakamura

IPC分类号： F16H47/04

CPC分类号： F16C33/107 ,  F16C17/026 ,  F16C17/107 ,  F16C33/103 ,  H02K5/1675 ,  H02K7/085

摘要： A bearing unit (90) for rotatably supporting a shaft (100) comprises a seamless holding member (120) with a gap allowing a shaft to run through and extend to the outside, a bearing (130) arranged in the inside of the holding member to rotatably support the shaft so as to make it radially revolvable, an anti-shaft-release member (115) fitted to the shaft so as to abut the bearing in order to prevent the shaft from slipping away in the thrusting direction and a space-forming member (113) arranged in the inside of the holding member so as to secure a space around the anti-shaft-release member. A bearing unit may further comprise an lubricating oil seal member and the space-forming member may be used to form a passage way for lubricating oil to prevent lubricating oil from leaking.

公开(公告)号：US20050163405A1

公开(公告)日：2005-07-28

申请号：US10969062

申请日：2004-10-21

申请人： Kenichiro Yazawa ,  Takeshi Kaneko ,  Kiyoyuki Takada ,  Yoshiaki Kakinuma ,  Hiroshi Sato ,  Yuji Shishido

发明人： Kenichiro Yazawa ,  Takeshi Kaneko ,  Kiyoyuki Takada ,  Yoshiaki Kakinuma ,  Hiroshi Sato ,  Yuji Shishido

IPC分类号： F16C17/02 ,  F16C17/04 ,  F16C17/10 ,  F16C32/06 ,  F16C33/10 ,  F16C33/20 ,  F16C33/74 ,  F16C35/02 ,  F16D31/00 ,  G11B19/20 ,  H02K5/167

CPC分类号： G11B19/2009 ,  F16C17/107 ,  F16C33/74 ,  F16C43/02 ,  F16C2370/12 ,  Y10S384/903

摘要： A bearing unit comprises a shaft, a radial bearing for supporting the shaft in a peripheral rotation direction of the shaft, a thrust bearing supporting an end of the shaft in a thrust direction of the shaft, a housing made of a molded body of a synthetic resin, inside of which housing the radial bearing and the thrust bearing are arranged, the housing having a sealed configuration except for a shaft insertion hole, through which the shaft is inserted, a slip-out preventing member provided on an end side of the radial bearing at which the thrust bearing is provided, the slip-out preventing member preventing the shaft from slipping out from the radial bearing, and a viscous fluid filled in the housing. The slip-out preventing member is made of a material having a thermal deformation temperature higher than a temperature applied to the slip-out preventing member upon molding of the housing.

摘要翻译： 轴承单元包括轴，用于沿轴的周向旋转方向支撑轴的径向轴承，在轴的推力方向上支撑轴的端部的推力轴承，由合成的成型体制成的壳体 在其内部设置有径向轴承和推力轴承的树脂，壳体具有密封构造，除了插入轴的轴插入孔外，设置在径向的端部侧的防脱出构件 提供止推轴承的轴承，防止轴从径向轴承滑出的防滑部件和填充在壳体中的粘性流体。 防脱出构件由在壳体成型时具有高于施加到防脱出构件的温度的热变形温度的材料制成。

公开(公告)号：US07510329B2

公开(公告)日：2009-03-31

申请号：US11584489

申请日：2006-10-23

申请人： Yuji Shishido ,  Kenichiro Yazawa ,  Takeshi Kaneko ,  Kiyoyuki Takada ,  Hiroshi Sato ,  Yoshiaki Kakinuma ,  Ichiro Nakamura

发明人： Yuji Shishido ,  Kenichiro Yazawa ,  Takeshi Kaneko ,  Kiyoyuki Takada ,  Hiroshi Sato ,  Yoshiaki Kakinuma ,  Ichiro Nakamura

IPC分类号： F16C32/06

CPC分类号： F16C33/107 ,  F16C17/026 ,  F16C17/107 ,  F16C33/103 ,  H02K5/1675 ,  H02K7/085

摘要： A bearing unit (90) for rotatably supporting a shaft (100) comprises a seamless holding member (120) with a gap allowing a shaft to run through and extend to the outside, a bearing (130) arranged in the inside of the holding member to rotatably support the shaft so as to make it radially revolvable, an anti-shaft-release member (115) fitted to the shaft so as to abut the bearing in order to prevent the shaft from slipping away in the thrusting direction and a space-forming member (113) arranged in the inside of the holding member so as to secure a space around the anti-shaft-release member. A bearing unit may further comprise an lubricating oil seal member and the space-forming member may be used to form a passage way for lubricating oil to prevent lubricating oil from leaking.

摘要翻译： 用于可旋转地支撑轴（100）的轴承单元（90）包括具有允许轴穿过并延伸到外部的间隙的无缝保持构件（120），布置在保持构件内部的轴承（130） 为了可旋转地支撑轴以使其可径向旋转，安装在轴上的防轴释放构件（115）以便抵靠轴承，以防止轴在推动方向上滑落， 形成构件（113），其设置在所述保持构件的内部，以便确保所述防轴释放构件周围的空间。 轴承单元还可以包括润滑油密封构件，并且空间形成构件可以用于形成用于润滑油的通道，以防止润滑油泄漏。

公开(公告)号：US07455456B2

公开(公告)日：2008-11-25

申请号：US10506433

申请日：2004-01-08

申请人： Yuji Shishido ,  Kenichiro Yazawa ,  Takeshi Kaneko ,  Kiyoyuki Takada ,  Hiroshi Sato ,  Yoshiaki Kakinuma ,  Ichiro Nakamura

发明人： Yuji Shishido ,  Kenichiro Yazawa ,  Takeshi Kaneko ,  Kiyoyuki Takada ,  Hiroshi Sato ,  Yoshiaki Kakinuma ,  Ichiro Nakamura

IPC分类号： F16C32/06

CPC分类号： F16C33/107 ,  F16C17/026 ,  F16C17/107 ,  F16C33/103 ,  H02K5/1675 ,  H02K7/085

摘要： A bearing unit (90) for rotatably supporting a shaft (100) comprises a seamless holding member (120) with a gap allowing a shaft to run through and extend to the outside, a bearing (130) arranged in the inside of the holding member to rotatably support the shaft so as to make it radially revolvable, an anti-shaft-release member (115) fitted to the shaft so as to abut the bearing in order to prevent the shaft from slipping away in the thrusting direction and a space-forming member (113) arranged in the inside of the holding member so as to secure a space around the anti-shaft-release member. A bearing unit may further comprise an lubricating oil seal member and the space-forming member may be used to form a passage way for lubricating oil to prevent lubricating oil from leaking.

摘要翻译： 用于可旋转地支撑轴（100）的轴承单元（90）包括具有允许轴穿过并延伸到外部的间隙的无缝保持构件（120），布置在保持构件内部的轴承（130） 为了可旋转地支撑轴以使其可径向旋转，安装在轴上的防轴释放构件（115）以便抵靠轴承，以防止轴在推动方向上滑落， 形成构件（113），其设置在所述保持构件的内部，以便确保所述防轴释放构件周围的空间。 轴承单元还可以包括润滑油密封构件，并且空间形成构件可以用于形成用于润滑油的通道，以防止润滑油泄漏。