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1.发明公开Rotating electric machine, rail vehicle and electric vehicle equipped therewith 审中-公开旋转电机，轨道车辆和配备有它的电动车辆
公开(公告)号：EP2605380A3
公开(公告)日：2017-12-06
申请号：EP12197185.7
申请日：2012-12-14
申请人： Hitachi, Ltd.
发明人： Sugimoto, Shinji , Komura, Akiyoshi , Kimura, Mamoru , Masuda, Seikichi , Fujieda, Masayasu , Otake, Shunsuke , Koike, Masatoshi , Endo, Mikio
CPC分类号： H02K9/06 , H02K1/32 , H02K9/10 , Y02T10/641
摘要： Object
Not only inside air but also coil end part of a stator 2 are prevented from becoming high in temperature, and cooling performance is improved.
Solution to Problem
In order to achieve the object described above, a rotating electric machine 1 of the present invention is made up of a stator 2 and a rotor 3 oppositely arranged through the intervention of predetermined air gap at the inner diameter side of the stator 2; the stator 2 has a stator iron core 4, a plurality of stator slots 12 that extend in the axial direction and are formed in the circumferential direction at predetermined intervals at the inner diameter side of the stator iron core 4, and stator coils attached in the plurality of stator slots 12; the rotor 3 has a rotor iron core 7, a plurality of rotor slots 6 that extend in the axial direction and are formed in the circumferential direction at predetermined intervals at the outer circumference side of the rotor iron core 7, and magnetic field members inserted in the rotor slots 6; and the rotor iron core 7 has an outside air ventilation hole 17a for ventilating air outside the machine and an inside air ventilation hole 16 for ventilating air inside the machine.摘要翻译： 目的不仅在定子2的内部而且定子2的线圈端部分变得高温，并且冷却性能得到改善。 解决问题的方案为了实现上述目的，本发明的旋转电机1由定子2和转子3构成，该定子2和转子3通过预定气隙的介入而相对地布置在定子2的内径侧 ; 定子2具有：定子铁芯4;在定子铁芯4的内径侧以规定间隔沿周向形成的多个定子槽12;以及在定子铁芯4的内径侧以规定间隔形成的定子线圈 多个定子槽12; 转子3具有：转子铁芯7;在转子铁芯7的外周侧以规定间隔沿周向形成的多个转子槽6;以及插入到转子铁芯7的外周侧的磁场构件 转子槽6; 并且转子铁芯7具有用于使机器外部的空气通风的外部空气通风孔17a和用于使机器内部的空气通风的内部空气通风孔16。
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公开(公告)号：EP2725690A2
公开(公告)日：2014-04-30
申请号：EP13190027.6
申请日：2013-10-24
申请人： Hitachi Ltd.
发明人： Sugimoto, Shinji , Komura, Akiyoshi , Masuda, Seikichi , Fujieda, Masayasu , Endou, Mikio , Koike, Masatoshi
IPC分类号： H02K9/16
CPC分类号： H02K9/12 , H02K9/14 , H02K2213/09
摘要： The dynamo-electric machine includes: a stator (2) having a stator winding (5) wound around a stator core (4); a rotor (3) having a rotor core (7) and a rotating shaft (8) rotatably retaining the rotor core (7); and a housing (11) rotatably retaining the rotor (3) to the stator (2). The rotor (3) has a cooling hole formed in the rotor core (7) in a rotating shaft direction of the rotor (3), and a fan (50) arranged at one end of the rotating shaft (8). The housing (11) has ventilation holes (57, 58) formed in one end and the other end in an axial direction of an outer peripheral surface thereof to allow the inside and the outside of the housing (11) to communicate with each other, a ventilation passage (30) connecting these ventilation holes outside the housing (11), and an opening/closing member (60) arranged in a discharge port to the atmosphere of the ventilation passage.
摘要翻译： 发电机包括：定子（2），其具有围绕定子铁芯（4）缠绕的定子绕组（5）; 具有转子芯（7）的转子（3）和可旋转地保持转子芯（7）的转轴（8）; 以及将转子（3）可旋转地保持到定子（2）的壳体（11）。 转子（3）具有沿转子（3）的旋转轴方向形成在转子铁芯（7）中的冷却孔，和设置在转轴（8）的一端的风扇（50）。 壳体（11）具有一端形成的通气孔（57,58），另一端在其外周面的轴向上形成，以使壳体（11）的内部和外部彼此连通， 将这些通气孔连接到壳体（11）外部的通风通道（30）以及布置在通风通道的大气的排出口的开闭部件（60）。
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公开(公告)号：EP2605380B1
公开(公告)日：2019-02-20
申请号：EP12197185.7
申请日：2012-12-14
申请人： Hitachi, Ltd.
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公开(公告)号：EP2897259A2
公开(公告)日：2015-07-22
申请号：EP15000110.5
申请日：2015-01-16
申请人： Hitachi, Ltd.
摘要： A rotating electric machine (1) includes a cooling frame (17) disposed on the outer circumference side of a housing (11) and making a first liquid coolant (101) circulate therethrough to cool the inside of the rotating electric machine (1). The cooling frame (17) includes a flow passage (21) through which the first liquid coolant (101) circulates, a flow inlet (19) connected to one end of the flow passage (21) so as to make the first liquid coolant (101) flow from the outside into the flow passage (21), and a flow outlet (20) connected to the other end of the flow passage (21) so as to make the first liquid coolant (101) having flown through the flow passage (21) flow to the outside. The rotating electric machine (1) is configured that, when the flow passage (21) is divided into a front half portion (22) closer to the flow inlet (19) and a latter half portion (23) closer to the flow outlet (20), the front half portion (22) becomes a portion where the first liquid coolant (101) mainly cools the second liquid coolant (100), and the latter half portion (23) becomes a portion where the first liquid coolant (101) mainly cools the gas coolant (102).
摘要翻译： 旋转电机（1）包括设置在壳体（11）的外周侧的冷却框架（17），并且使第一液体冷却剂（101）在其中循环以冷却旋转电机（1）的内部。 冷却框架（17）包括第一液体冷却剂（101）循环通过的流路（21），与流路（21）的一端连接的流入口（19），以使第一液体冷却剂 101）从外部流入流路（21），流出口（20）与流路（21）的另一端连接，使第一液体冷却剂（101）流过流路 （21）流向外部。 旋转电机（1）被构造成当流路（21）被分成更接近流入口（19）的前半部分（22）和靠近流出口（19）的后半部分 20），前半部（22）成为第一液体冷却剂（101）主要冷却第二液体冷却剂（100）的部分，后半部（23）成为第一液体冷却剂（101）的部分， 主要冷却气体冷却剂（102）。
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公开(公告)号：EP3396816A1
公开(公告)日：2018-10-31
申请号：EP17168378.2
申请日：2017-04-27
申请人： Hitachi, Ltd.
CPC分类号： H02K9/10 , H02K7/08 , H02K7/11 , H02K9/19 , H02K15/0006 , H02K15/16 , H02K49/102 , H02K2213/09
摘要： Maintainability of a rotary electric machine including a cooling fan is maintained, mechanical loss and noise caused by rotation of the cooling fan are reduced, and efficiency of the rotary electric machine is further enhanced and noise reduction is achieved in the rotary electric machine at the same time. The rotary electric machine includes a stator, a rotor, a shaft as a rotating shaft of the rotor, a frame, a first bearing, a second bearing, a cooling fan, a third bearing, and a torque limiter. The first bearing and the second bearing rotatably support the shaft. The third bearing is disposed between the first bearing and the second bearing. The cooling fan is rotatably supported by the third bearing and has the same axis of rotation as that of the rotor. The torque limiter includes an inner ring fixed on the shaft and an outer ring fixed on the cooling fan. The inner ring and the outer ring are brought to an asynchronous rotation at a predetermined or larger number of revolutions.
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公开(公告)号：EP2099114B1
公开(公告)日：2018-01-24
申请号：EP09001519.9
申请日：2009-02-04
申请人： Hitachi, Ltd.
IPC分类号： H02K1/27
CPC分类号： H02K1/276 , B60L1/02 , B60L3/0061 , B60L7/14 , B60L11/123 , B60L11/14 , B60L15/007 , B60L15/20 , B60L15/2009 , B60L2210/40 , B60L2240/36 , B60L2240/421 , B60L2240/423 , B60L2270/142 , B60L2270/145 , Y02T10/6217 , Y02T10/641 , Y02T10/645 , Y02T10/7077 , Y02T10/7241 , Y02T10/7275
摘要： A rotary electric machine includes a stator (230) having stator windings (238; 338); and a rotor (250) rotatably disposed in the stator (230), said rotor (250) having a rotor core (252) provided with a plurality of magnets (254) and a plurality of magnetic auxiliary salient poles (259) formed between poles of the magnets (254). In this rotary electric machine: a magnetic air gap (258) is provided in an axial direction of the rotor (250) in a position shifted in a circumferential direction from a q axis passing through a center of the magnetic auxiliary salient pole (259) within the magnetic auxiliary salient pole (259); and an amount of shifting the magnetic air gap (258) from the q axis in the circumferential direction differs according to a position of the magnetic air gap (257) in the axial direction so as to cancel torque pulsation in energization caused due to the magnetic air gap (258).
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7.发明公开Rotary electric machine and electric vehicle 有权Fahrzeug和Elektrische Drehmaschine und elektrisches Fahrzeug
公开(公告)号：EP2099114A2
公开(公告)日：2009-09-09
申请号：EP09001519.9
申请日：2009-02-04
申请人： Hitachi Ltd.
IPC分类号： H02K1/27
CPC分类号： H02K1/276 , B60L1/02 , B60L3/0061 , B60L7/14 , B60L11/123 , B60L11/14 , B60L15/007 , B60L15/20 , B60L15/2009 , B60L2210/40 , B60L2240/36 , B60L2240/421 , B60L2240/423 , B60L2270/142 , B60L2270/145 , Y02T10/6217 , Y02T10/641 , Y02T10/645 , Y02T10/7077 , Y02T10/7241 , Y02T10/7275
摘要： A rotary electric machine includes a stator (230) having stator windings (238; 338); and a rotor (250) rotatably disposed in the stator (230), said rotor (250) having a rotor core (252) provided with a plurality of magnets (254) and a plurality of magnetic auxiliary salient poles (259) formed between poles of the magnets (254). In this rotary electric machine: a magnetic air gap (258) is provided in an axial direction of the rotor (250) in a position shifted in a circumferential direction from a q axis passing through a center of the magnetic auxiliary salient pole (259) within the magnetic auxiliary salient pole (259); and an amount of shifting the magnetic air gap (258) from the q axis in the circumferential direction differs according to a position of the magnetic air gap (257) in the axial direction so as to cancel torque pulsation in energization caused due to the magnetic air gap (258).
摘要翻译： 旋转电机包括具有定子绕组（238; 338）的定子（230）。 以及转子（250），其可旋转地设置在所述定子（230）中，所述转子（250）具有设置有多个磁体（254）的转子铁心（252）和形成在所述定子（230）之间的多个磁性辅助凸极 的磁体（254）。 在该旋转电机中，在从磁性辅助凸极（259）的中心经过圆周方向偏移的位置，在转子（250）的轴向上设置有磁性气隙258， 磁辅助凸极（259）; 磁性气隙（258）在周向上从q轴移动的量根据磁性空气间隙（257）在轴向上的位置而不同，以抵消由于磁性而导致的通电中的扭矩脉动 气隙（258）。
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公开(公告)号：EP2897259B1
公开(公告)日：2017-10-11
申请号：EP15000110.5
申请日：2015-01-16
申请人： Hitachi, Ltd.
摘要： A rotating electric machine (1) includes a cooling frame (17) disposed on the outer circumference side of a housing (11) and making a first liquid coolant (101) circulate therethrough to cool the inside of the rotating electric machine (1). The cooling frame (17) includes a flow passage (21) through which the first liquid coolant (101) circulates, a flow inlet (19) connected to one end of the flow passage (21) so as to make the first liquid coolant (101) flow from the outside into the flow passage (21), and a flow outlet (20) connected to the other end of the flow passage (21) so as to make the first liquid coolant (101) having flown through the flow passage (21) flow to the outside. The rotating electric machine (1) is configured that, when the flow passage (21) is divided into a front half portion (22) closer to the flow inlet (19) and a latter half portion (23) closer to the flow outlet (20), the front half portion (22) becomes a portion where the first liquid coolant (101) mainly cools the second liquid coolant (100), and the latter half portion (23) becomes a portion where the first liquid coolant (101) mainly cools the gas coolant (102).
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公开(公告)号：EP2725690A3
公开(公告)日：2017-07-26
申请号：EP13190027.6
申请日：2013-10-24
申请人： Hitachi, Ltd.
发明人： Sugimoto, Shinji , Komura, Akiyoshi , Masuda, Seikichi , Fujieda, Masayasu , Endou, Mikio , Koike, Masatoshi
IPC分类号： H02K9/16
CPC分类号： H02K9/12 , H02K9/14 , H02K2213/09
摘要： The dynamo-electric machine includes: a stator (2) having a stator winding (5) wound around a stator core (4); a rotor (3) having a rotor core (7) and a rotating shaft (8) rotatably retaining the rotor core (7); and a housing (11) rotatably retaining the rotor (3) to the stator (2). The rotor (3) has a cooling hole formed in the rotor core (7) in a rotating shaft direction of the rotor (3), and a fan (50) arranged at one end of the rotating shaft (8). The housing (11) has ventilation holes (57, 58) formed in one end and the other end in an axial direction of an outer peripheral surface thereof to allow the inside and the outside of the housing (11) to communicate with each other, a ventilation passage (30) connecting these ventilation holes outside the housing (11), and an opening/closing member (60) arranged in a discharge port to the atmosphere of the ventilation passage.
摘要翻译： 该电动发电机包括：定子（2），具有缠绕在定子铁芯（4）上的定子绕组（5）;定子 具有转子铁心（7）和可旋转地保持转子铁心（7）的旋转轴（8）的转子（3）; 和可转动地将转子（3）保持在定子（2）上的壳体（11）。 转子（3）具有沿转子（3）的旋转轴方向形成在转子铁芯（7）中的冷却孔以及布置在旋转轴（8）的一端处的风扇（50）。 壳体11在其外周面的轴向上的一端和另一端形成有通气孔57,58，以允许壳体11的内部和外部彼此连通， 将这些通气孔连接在壳体11的外部的通风通道30以及配置在通风通道的大气的排出口的开闭部件60。
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公开(公告)号：EP2897259A3
公开(公告)日：2016-04-27
申请号：EP15000110.5
申请日：2015-01-16
申请人： Hitachi, Ltd.
摘要： A rotating electric machine (1) includes a cooling frame (17) disposed on the outer circumference side of a housing (11) and making a first liquid coolant (101) circulate therethrough to cool the inside of the rotating electric machine (1). The cooling frame (17) includes a flow passage (21) through which the first liquid coolant (101) circulates, a flow inlet (19) connected to one end of the flow passage (21) so as to make the first liquid coolant (101) flow from the outside into the flow passage (21), and a flow outlet (20) connected to the other end of the flow passage (21) so as to make the first liquid coolant (101) having flown through the flow passage (21) flow to the outside. The rotating electric machine (1) is configured that, when the flow passage (21) is divided into a front half portion (22) closer to the flow inlet (19) and a latter half portion (23) closer to the flow outlet (20), the front half portion (22) becomes a portion where the first liquid coolant (101) mainly cools the second liquid coolant (100), and the latter half portion (23) becomes a portion where the first liquid coolant (101) mainly cools the gas coolant (102).
摘要翻译： 旋转电机（1）包括设置在壳体（11）的外周侧并且使第一液体冷却剂（101）循环以冷却旋转电机（1）的内部的冷却框架（17）。 所述冷却框架17具有使所述第一液体冷却剂101循环的流路21，与所述流路21的一端连接而形成所述第一液体冷却剂的流入口19， 101）从外部流入所述流路（21），所述流出口（20）与所述流路（21）的另一端连接，以使所述第一液体冷却剂（101）流过所述流路 （21）流到外面。 旋转电机1构成为，在将流路21分割成靠近流入口19的前半部22和靠近流出口19的后半部23时， 前半部22成为第一液体冷却剂101主要冷却第二液体冷却剂100的部分，后半部23成为第一液体冷却剂101的部分， 主要冷却气体冷却剂（102）。
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