公开(公告)号：US20160043603A1

公开(公告)日：2016-02-11

申请号：US14754821

申请日：2015-06-30

Applicant: Hitachi, Ltd.

Inventor： Yasushi HAYASAKA ,  Masanori MATSUMOTO ,  Yasunori OTSUKI ,  Tetsuo FUJIGAKI ,  Yoshihiro YASUI ,  Motonobu IIZUKA ,  Masaaki ENDOU ,  Atsushi FUKUNAGA ,  Takeshi NAKAYAMA

IPC: H02K3/28 ,  H02K15/00 ,  H02K15/10

CPC classification number: H02K3/51 ,  H02K13/003 ,  H02K15/0062 ,  H02K15/10

Abstract: A rotating electrical machine includes a rotor core, a rotor shaft, a coil, a bind, a lead-out wire of which one end is connected to the coil and the other end is connected to a neutral ring. A filling is filled between the coil and the neutral ring. The neutral ring is formed with a plurality of members that are connected with one another to have flexibility.

Abstract translation: 旋转电机包括转子芯，转子轴，线圈，接合线，一端连接到线圈的引出线，另一端连接到中性环。 在线圈和中性环之间填充填充物。 中性环形成有多个彼此连接以具有柔性的构件。

公开(公告)号：US20170155292A1

公开(公告)日：2017-06-01

申请号：US15305375

申请日：2014-12-03

Applicant: Hitachi, Ltd.

Inventor： Mamoru KIMURA ,  Masahiro HORI ,  Youichi MATSUMOTO ,  Tetsuo FUJIGAKI ,  Motonobu IIDUKA ,  Yoshihiro YASUI ,  Eiichirou TOKIZAKI ,  Masanori MATSUMOTO

IPC: H02K1/27 ,  H02K9/02 ,  H02K1/32

CPC classification number: H02K1/2706 ,  H02K1/2766 ,  H02K1/32 ,  H02K9/02 ,  H02K9/10

Abstract: A permanent magnet electrical rotating machine is provided which is capable of contributing to protected permanent magnets and increased cooling performance during operation. The permanent magnet electrical rotating machine includes: permanent magnets; rotor cores that have the permanent magnets mounted thereto and are laminated in a rotating axis direction; spacers that are placed between adjacent rotor cores; and permanent magnet protection members that are installed between the permanent magnets and the rotor cores and also placed to maintain radial continuity in space partitioned by the spacers between the rotor cores.

公开(公告)号：US20180301952A1

公开(公告)日：2018-10-18

申请号：US16012502

申请日：2018-06-19

Applicant: Hitachi, Ltd.

Inventor： Yasushi HAYASAKA ,  Masanori MATSUMOTO ,  Yasunori OTSUKI ,  Tetsuo FUJIGAKI ,  Yoshihiro YASUI ,  Motonobu IIZUKA ,  Masaaki ENDOU ,  Atsushi FUKUNAGA ,  Takeshi NAKAYAMA

IPC: H02K3/51 ,  H02K15/00 ,  H02K15/10

Abstract: A method for manufacturing a neutral ring includes connecting a cut-off neutral ring to an arc-shaped connection element. The method also includes filling an insulator between the cut-off neutral ring and a connection element. The neutral ring shunts the rotor coil in three phases.

公开(公告)号：US20170117769A1

公开(公告)日：2017-04-27

申请号：US15303629

申请日：2014-08-06

Applicant: Hitachi, Ltd.

Inventor： Naoki KUNIHIRO ,  Daisuke KORI ,  Motonobu IIZUKA ,  Tetsuo FUJIGAKI ,  Atsushi FUKUNAGA ,  Yasunori OTSUKI ,  Masakatsu SATO ,  Masanori MATSUMOTO ,  Takeshi NAKAYAMA ,  Masaaki ENDO ,  Yoshihiro YASUI ,  Yasushi HAYASAKA

IPC: H02K3/51 ,  F03D9/00 ,  F03D9/25 ,  F03D1/06 ,  H02K7/18 ,  H02K19/26

CPC classification number: H02K3/51 ,  F03D1/06 ,  F03D9/25 ,  H02K7/1838 ,  H02K19/26 ,  H02K2203/06 ,  Y02E10/721 ,  Y02E10/725

Abstract: A rotating electric machine comprises a field winding provided on a rotor iron core and a neutral ring supported independently of the field winding, wherein: the field winding and the neutral ring are electrically connected to each other through a connecting wire; the neutral ring is disposed spaced with respect to the rotor iron core; and the connecting wire absorbs the stress difference between the field winding and the neutral ring when a centrifugal stress is applied.

公开(公告)号：US20130340256A1

公开(公告)日：2013-12-26

申请号：US13920203

申请日：2013-06-18

Applicant: Hitachi, Ltd.

Inventor： Osamu TSUCHITANI ,  Motonobu IIZUKA ,  Shuji MIZUTANI ,  Tetsuo FUJIGAKI ,  Masaaki ENDO ,  Yoshihiro YASUI ,  Shogo SERITA ,  Masakazu SHINDEN

IPC: F16C35/06 ,  F03D11/00

CPC classification number: F16C35/062 ,  B25B27/06 ,  F03D80/50 ,  F03D80/70 ,  F05B2230/80 ,  F16C2237/00 ,  F16C2360/31 ,  Y02E10/722 ,  Y02E10/726 ,  Y02P70/523 ,  Y10T29/49679 ,  Y10T29/53104

Abstract: A bearing replacement method for a rotating machine of the present invention includes the steps of: when at least one bearing of a rotating machine is to be replaced with a new one, mounting at an end portion of the rotating machine a plurality of bendable arms for removing a first bearing covering part, a power supply unit outer frame, and a slipring, respectively; removing with the arms the first bearing covering part, the power supply unit outer frame, and the slipring, respectively; and thereafter replacing the at least one bearing with a new one.

Abstract translation: 本发明的旋转机械的轴承更换方法包括以下步骤：当要更换新的旋转机械的至少一个轴承时，在旋转机器的端部安装多个可弯曲臂 分别去除第一轴承盖部分，电源单元外框架和滑环; 分别用臂移除第一轴承盖部分，电源单元外框架和滑环; 然后用新的轴承代替至少一个轴承。