-
公开(公告)号：US20130094342A1
公开(公告)日：2013-04-18
申请号：US13705608
申请日：2012-12-05
Applicant: NIDEC CORPORATION
Inventor： Yoichi SEKII , Hirokazu SHIRAI , Junya MIZUKAMI , Kazuyoshi SAITO , Hideki NISHIMURA , Atsushi YAWATA
CPC classification number: G11B19/2027 , G11B19/2009 , H02K5/24 , H02K7/085 , H02K7/09
Abstract: A spindle motor includes a stationary portion and a rotating portion. The rotating portion includes a magnet arranged around a central axis extending in a vertical direction. The stationary portion includes a base member and a magnetic member arranged below the magnet and fixed to the base member. The base member includes an upper surface extending out perpendicularly or substantially perpendicularly to the central axis, and a wall surface extending in an axial direction. The magnetic member includes an annular plate portion arranged on the base member and a projecting portion arranged to extend downward from the plate portion. At least a portion of the projecting portion is arranged to be in contact with the wall surface. An adhesive is arranged between the plate portion and the upper surface of the base member and between the projecting portion and the wall surface.
Abstract translation: 主轴电动机包括固定部分和旋转部分。 旋转部包括围绕在垂直方向延伸的中心轴线布置的磁体。 固定部包括基部构件和布置在磁体下方并固定到基座构件的磁性构件。 基部构件包括垂直于或基本上垂直于中心轴线延伸的上表面和沿轴向方向延伸的壁表面。 磁性构件包括布置在基底构件上的环形板部分和布置成从板部向下延伸的突出部分。 突出部分的至少一部分被布置成与壁表面接触。 粘合剂布置在板部分和基部构件的上表面之间以及突出部分和壁表面之间。
-
公开(公告)号：US20140192439A1
公开(公告)日：2014-07-10
申请号：US14208003
申请日：2014-03-13
Applicant: Nidec Corporation
Inventor： Shuji IWASAKI , Yoichi SEKII , Takehito TAMAOKA , Hideki NISHIMURA , Kazuto MIYAJIMA , Takuro IGUCHI , Kazuhiro SATO , Takeyuki SHUTO
CPC classification number: H02K1/27 , F16C17/107 , F16C33/103 , F16C33/107 , F16C33/745 , F16C2226/12 , F16C2226/40 , F16C2226/60 , F16C2370/12 , G11B19/2036 , H02K5/1677 , H02K7/086 , H02K2201/03
Abstract: 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 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 provided. 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.
Abstract translation: 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。 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。 提供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。
-
公开(公告)号：US20160053770A1
公开(公告)日：2016-02-25
申请号：US14820678
申请日：2015-08-07
Applicant: Nidec Corporation
Inventor： Junya MIZUKAMI , Hideki NISHIMURA , Yoshito NISHITANI , Michihiro ITO , Naohiro NAGASAWA
IPC: F04D29/22 , F04D29/42 , F04D29/043 , F04D1/00 , F04D13/06
CPC classification number: F04D29/186 , F04D3/00 , F04D5/001 , F04D11/00 , F04D13/0633 , F04D29/0476
Abstract: A pump a shaft portion arranged to extend in a vertical direction; a rotor portion arranged to surround an outer circumference of the shaft portion, and including a magnet; and a housing joined to the shaft portion, and arranged to contain the rotor portion. The housing includes a stator arranged opposite to the magnet; a rotor accommodating portion arranged to accommodate the rotor portion; and an inlet and an outlet each of which is arranged to pass through a portion of the rotor accommodating portion. A surface of at least one of the rotor portion, the shaft portion, and the rotor accommodating portion includes at least one first dynamic pressure groove arranged to support rotation of the rotor portion. A surface of at least one of the rotor portion and the rotor accommodating portion includes at least one second dynamic pressure groove arranged to transfer a fluid from the inlet to the outlet.
Abstract translation: 泵，轴部，其布置成在垂直方向上延伸; 转子部分，其布置成围绕所述轴部分的外圆周，并且包括磁体; 以及与所述轴部接合的壳体，并且设置成容纳所述转子部。 壳体包括与磁体相对布置的定子; 转子容纳部分，其布置成容纳转子部分; 以及各自设置成通过转子容纳部的一部分的入口和出口。 转子部分，轴部分和转子容纳部分中的至少一个的表面包括布置成支撑转子部分的旋转的至少一个第一动压槽。 转子部分和转子容纳部分中的至少一个的表面包括布置成将流体从入口传送到出口的至少一个第二动压槽。
-
公开(公告)号：US20140334035A1
公开(公告)日：2014-11-13
申请号：US14444146
申请日：2014-07-28
Applicant: Nidec Corporation
Inventor： Shuji IWASAKI , Yoichi SEKII , Takehito TAMAOKA , Hideki NISHIMURA , Kazuto MIYAJIMA , Takuro IGUCHI , Kazuhiro SATO , Takeyuki SHUTO
CPC classification number: H02K5/165 , F16C17/107 , F16C33/103 , F16C33/107 , F16C33/745 , F16C2226/12 , F16C2226/40 , F16C2226/60 , F16C2370/12 , G11B19/2036 , H02K5/1677 , H02K7/086
Abstract: A motor includes a rotating portion including a sleeve portion and a stationary portion. The stationary portion includes a shaft component which includes an inner shaft portion and an outer shaft portion. A radial dynamic pressure generating groove array is provided 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 radial dynamic pressure generating groove array and a lower radial dynamic pressure generating groove array. A range of a fixing region in an axial direction between the inner shaft portion and the outer shaft portion in an interference fit state is included in a range between the upper radial dynamic pressure generating groove array and the lower radial dynamic pressure generating groove array.
Abstract translation: 马达包括具有套筒部和固定部的旋转部。 固定部包括轴部，该轴部包括内轴部和外轴部。 径向动压产生槽阵列设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径向动压产生凹槽阵列和下径向动压产生凹槽阵列。 在上部径向动态压力产生槽阵列和下部径向动态压力产生槽阵列之间的范围内包括在干涉配合状态下在内轴部和外轴部之间沿轴向方向的固定区域的范围。
-
公开(公告)号：US20220014082A1
公开(公告)日：2022-01-13
申请号：US17369983
申请日：2021-07-08
Applicant: NIDEC CORPORATION
Inventor： Atsunori HIRATA , Tomohiro HASEGAWA , Daisuke ADACHI , Hiroaki HIRANO , Hideki NISHIMURA
IPC: H02K33/02
Abstract: A vibration motor includes a stationary part, and a movable element which has a magnet and can vibrate in one direction. The stationary part includes a coil which applies a driving force to the magnet due to energization, a housing which houses the movable element and the coil therein, a first lid part which closes an end portion of the housing on one side in the one direction, and a first bearing part. The first bearing part is disposed inside the housing on the other side in the one direction from the first lid part. The first bearing part includes a bearing inner circumferential surface disposed with a gap therebetween with respect to an outer circumferential surface of a portion of the movable element on one side in the one direction.
-
Patent Agency Ranking
公开(公告)号：US20170317555A1
公开(公告)日：2017-11-02
申请号：US15479521
申请日：2017-04-05
Applicant: Nidec Corporation
Inventor： Hideki NISHIMURA , Yoichi SEKII
CPC classification number: G02B26/105 , G02B7/1821 , H02K1/2706 , H02K1/2786 , H02K7/08 , H02K7/083 , H02K7/14
Abstract: This rotary drive apparatus includes a stationary portion including a stator; and a rotating portion supported through a bearing portion to be rotatable about a central axis extending in a vertical direction with respect to the stationary portion, the rotating portion including a magnet arranged opposite to the stator. The bearing portion includes an upper bearing portion, and a lower bearing portion arranged below the upper bearing portion. A center of gravity of the rotating portion is located below an upper end of the upper bearing portion and above a lower end of the lower bearing portion.
-
公开(公告)号：US20170315345A1
公开(公告)日：2017-11-02
申请号：US15479517
申请日：2017-04-05
Applicant: Nidec Corporation
Inventor： Hideki NISHIMURA , Yoichi SEKII
CPC classification number: G02B26/105 , G02B7/1821 , H02K1/2706 , H02K1/2786 , H02K7/08 , H02K7/083 , H02K7/14
Abstract: This rotary drive apparatus is an apparatus arranged to rotate a first mirror and a second mirror each of which reflects incident light coming from a light source. The rotary drive apparatus includes rotating bodies including a first rotating body including the first mirror, and a second rotating body including the second mirror; and a motor arranged to support the rotating bodies. The motor includes a stationary portion including a stator; and a rotating portion supported through a bearing portion to be rotatable about a central axis extending in a vertical direction with respect to the stationary portion, the rotating portion including a magnet arranged opposite to the stator. At least a portion of the first mirror is arranged on the central axis above the bearing portion. At least a portion of the second mirror is arranged on the central axis below the bearing portion.
-
公开(公告)号：US20140334034A1
公开(公告)日：2014-11-13
申请号：US14444145
申请日：2014-07-28
Applicant: Nidec Corporation
Inventor： Shuji IWASAKI , Yoichi SEKII , Takehito TAMAOKA , Hideki NISHIMURA , Kazuto MIYAJIMA , Takuro IGUCHI , Kazuhiro SATO , Takeyuki SHUTO
CPC classification number: H02K1/27 , F16C17/107 , F16C33/103 , F16C33/107 , F16C33/745 , F16C2226/12 , F16C2226/40 , F16C2226/60 , F16C2370/12 , G11B19/2036 , H02K5/1677 , H02K7/086 , H02K2201/03
Abstract: A motor includes a rotating portion and a stationary portion. The stationary portion includes a shaft component which includes an inner shaft portion and an outer shaft portion, an upper plate portion, and a lower plate portion. The upper plate portion is disposed in one side of the shaft component and extends radially outward from the one side of the shaft component. The lower plate portion is disposed on the other side of the shaft component and extends radially outward from the other side of the shaft component. The rotating portion includes a sleeve portion. The inner shaft portion and the outer shaft portion are fixed by an adhesive. An adhesive retaining portion is provided between an outer peripheral portion of the inner shaft portion and an inner peripheral portion of the outer shaft portion.
Abstract translation: 马达包括旋转部分和固定部分。 固定部包括轴部件，其包括内轴部分和外部轴部分，上部板部分和下部板部分。 上板部分设置在轴部件的一侧，并从轴部件的一侧径向向外延伸。 下板部分设置在轴部件的另一侧，并从轴部件的另一侧径向向外延伸。 旋转部分包括套筒部分。 内轴部和外轴部由粘合剂固定。 在内轴部的外周部和外轴部的内周部之间设置有粘接保持部。
-
公开(公告)号：US20210376693A1
公开(公告)日：2021-12-02
申请号：US17335361
申请日：2021-06-01
Applicant: Nidec Corporation
Inventor： Hideki NISHIMURA , Tomohiro HASEGAWA , Hiroaki HIRANO , Yoichi SEKII
Abstract: A motor includes a stator, a rotor, and a bearing. The stator includes a shaft that extends in a vertical direction. The rotor is rotatable around the shaft. The bearing supports the rotor in a rotatable manner. The rotor includes a magnet, a case, and a tooth groove. The magnet is radially outward of the stator and opposes the stator in a radial direction. The case covers a radially outer end of the magnet. The tooth groove is provided in a radially outer surface of the case.
-
公开(公告)号：US20160053769A1
公开(公告)日：2016-02-25
申请号：US14820675
申请日：2015-08-07
Applicant: Nidec Corporation
Inventor： Junya MIZUKAMI , Hideki NISHIMURA , Yoshito NISHITANI , Michihiro ITO , Naohiro NAGASAWA
IPC: F04D29/22 , F04D29/42 , F04D29/043 , F04D1/00 , F04D13/06
CPC classification number: F04D29/186 , F04D3/00 , F04D5/001 , F04D11/00 , F04D13/0633 , F04D29/0476
Abstract: A pump a shaft portion arranged to extend in a vertical direction; a rotor portion arranged to surround an outer circumference of the shaft portion, and including a magnet; and a housing joined to the shaft portion, and arranged to contain the rotor portion. The housing includes a stator arranged opposite to the magnet; a rotor accommodating portion arranged to accommodate the rotor portion; and an inlet and an outlet each of which is arranged to pass through a portion of the rotor accommodating portion. A surface of at least one of the rotor portion, the shaft portion, and the rotor accommodating portion includes at least one first dynamic pressure groove arranged to support rotation of the rotor portion. A surface of at least one of the rotor portion and the rotor accommodating portion includes at least one second dynamic pressure groove arranged to transfer a fluid from the inlet to the outlet. The rotor portion includes a through hole arranged to pass therethrough in an axial direction.
Abstract translation: 泵，轴部，其布置成在垂直方向上延伸; 转子部分，其布置成围绕所述轴部分的外圆周，并且包括磁体; 以及与所述轴部接合的壳体，并且设置成容纳所述转子部。 壳体包括与磁体相对布置的定子; 转子容纳部分，其布置成容纳转子部分; 以及各自设置成通过转子容纳部的一部分的入口和出口。 转子部分，轴部分和转子容纳部分中的至少一个的表面包括布置成支撑转子部分的旋转的至少一个第一动压槽。 转子部分和转子容纳部分中的至少一个的表面包括布置成将流体从入口传送到出口的至少一个第二动压槽。 转子部分包括沿轴向穿过的通孔。
-
-
-
-
-
-
-
-
-
Search Results
10
records
(took 0.012 seconds)
