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公开(公告)号：EP4203269A1
公开(公告)日：2023-06-28
申请号：EP21875693.0
申请日：2021-09-29
摘要： A stator (60) is accommodated in a casing (20). A rotor (70) is provided on an inner circumference of the stator (60). A shaft (50) is provided on an inner circumference of the rotor (70). A functional part (11) is provided on an outer circumference of a first member that is the stator (60) or the shaft (50). A heat-resistant part (12) is provided between the functional part (11) and a second member that is the casing (20) or the rotor (70).
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公开(公告)号：EP4187561A1
公开(公告)日：2023-05-31
申请号：EP21875659.1
申请日：2021-09-29
IPC分类号： H01F27/245 , H02K1/04 , H02K1/18
摘要： A core (11, 21) includes a laminated body (12, 22) including a plurality of electrical steel sheets stacked one on another. The laminated body (12, 22) includes a contact area (C) between a pair of adj acent electrical steel sheets of the plurality of electrical steel sheets. The contact area (C) includes a first friction area (F1) and a second friction area (F2) with friction coefficients different from each other.
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公开(公告)号：EP4156460A1
公开(公告)日：2023-03-29
申请号：EP21808752.6
申请日：2021-05-17
摘要： A rotary electrical device includes a rotor having a substantially hollow cylindrical shape or a substantially solid cylindrical shape and configured to be rotatable; and a stator having a substantially annular shape and disposed in a radial direction of the rotor to surround a rotation axis of the rotor. The stator includes a plurality of stator units that are stacked in an axial direction of the rotor. Each of the stator units includes a winding that is wound in a substantially annular shape around the rotation axis, a stator core that surrounds the winding, and one or more claw magnetic poles that protrude radially toward the rotor from each of two end portions in an axial direction of the stator core. The rotor includes a magnet that radially faces at least a portion of any of claw magnetic poles of the stator at a predetermined rotation position. At least one of magnet end portions in an axial direction of the magnet protrudes further in the axial direction than all of the claw magnetic poles of the stator.
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公开(公告)号：EP3952061A1
公开(公告)日：2022-02-09
申请号：EP20776336.8
申请日：2020-03-25
摘要： At least one of a stator (10) and a rotor (50, 100) of a motor (1) includes an iron core (11, 111) formed by a powder magnetic core. A first end plate (61) is arranged to contact one end surface (10B) of the iron core (11) in an axial direction. A second end plate (62) is arranged to contact another end surface of the iron core (11) in the axial direction. A rod-like portion (63) is fixed to the first end plate (61) and the second end plate (62) in a state in which the rod-like portion (63) is inserted in a through hole of the iron core (11), and the iron core (11) is sandwiched by the first end plate (61) and the second end plate (62) in the axial direction of the rotor.
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公开(公告)号：EP4164093A1
公开(公告)日：2023-04-12
申请号：EP21821468.2
申请日：2021-06-08
IPC分类号： H02K1/27
摘要： A technique by which the magnetic flux of the magnetic pole facing the stator of the magnet can be further increased in a rotor, is provided. An electric motor according to the present disclosure includes a stator 10; a rotor 20 facing the stator 10 in an axial direction (first direction) and configured to be rotatable in a circumferential direction (second direction) that is orthogonal to the axial direction; and a short-circuit reduction member 25, 26, wherein the rotor 20 includes a main magnet 22 having a first magnetic pole on a surface facing the stator 10; an auxiliary magnet 23, 24 arranged adjacent to the main magnet 22 and having a second magnetic pole and a third magnetic pole that is different in polarity from the second magnetic pole, and configured to increase a magnetic flux of the first magnetic pole, and wherein the auxiliary magnet 23, 24 is arranged adjacent to the main magnet 22 in a radial direction (third direction) that is orthogonal to the axial direction, and the short-circuit reduction member 25, 26 is provided at a portion around the auxiliary magnet 23, 24 facing the auxiliary magnet 23, 24 in parallel with a virtual line connecting the second magnetic pole and the third magnetic pole, to reduce a short-circuit of a magnetic flux between the second magnetic pole and the third magnetic pole.
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公开(公告)号：EP3979490A1
公开(公告)日：2022-04-06
申请号：EP21199393.6
申请日：2012-01-18
摘要： A DC link (3) is provided, which includes a capacitor (3a) connected in parallel to an output of a converter circuit (2), and outputs a pulsating DC link voltage (v dc ). An inverter circuit (4) is provided, which converts an output of the DC link (3) to AC by switching, and supplies the AC to a motor (7) connected thereto. A controller (5) is provided, which controls switching of the inverter circuit (4) so that motor currents (i u , i v , and i w ) pulsate in synchronization with pulsation of a power-supply voltage (vin). The controller (5) controls the switching of the inverter circuit (4) in accordance with a load of the motor (7) or an operational state of the motor (7), and reduces pulsation amplitude of the motor currents (i u , i v , and i w ).
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公开(公告)号：EP2485381A1
公开(公告)日：2012-08-08
申请号：EP10818573.7
申请日：2010-09-27
发明人： HIBINO, Hiroshi
CPC分类号： H02P27/08 , G01R19/0092 , H02M7/53875 , H02M2001/0009
摘要： A control section (4) which repeats inverter control in units of an inverter control period (T2) having a predetermined length is provided. In the control section (4), a phase current detection period (T1) in which a phase current is detected is provided between predetermined two inverter control periods (T2), each of switching states of switching elements (Sup, ..., Swn) of a inverter circuit (3) is controlled so that a voltage pulse having a larger width than a width of a voltage pulse in the inverter control period (T2) is output from a shunt resistor (R) in the phase current detection period (T1).
摘要翻译： 提供以具有预定长度的逆变器控制周期（T2）为单位重复逆变器控制的控制部分（4）。 在控制部分（4）中，在预定的两个逆变器控制周期（T2）之间设置检测相电流的相电流检测周期（T1），开关元件的开关状态（Sup，...，Swn ），使得在相电流检测期间（T）从分流电阻（R）输出具有比逆变器控制周期（T2）中的电压脉冲宽度大的宽度的电压脉冲（ T1）。
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9.发明公开BIDIRECTIONAL SWITCH CIRCUIT AND POWER CONVERTER PROVIDED WITH SAME 审中-公开BIDIREKTIONALER SCHALTKREIS UND LEISTUNGSUMWANDLER DAMIT
公开(公告)号：EP2381567A1
公开(公告)日：2011-10-26
申请号：EP10731169.8
申请日：2010-01-18
发明人： KAWASHIMA, Reiji , HISAYAMA, Kazushi , HIBINO, Hiroshi , SEKIMOTO, Morimitsu , MAEDA, Toshiyuki , MATSUNO, Sumikazu
IPC分类号： H02M1/08
CPC分类号： H02M1/4208 , H02M3/33576 , H02M5/458 , H03K17/664 , H03K17/6874 , H03K17/74 , H03K2217/0009 , H03K2217/0081 , Y02B70/126
摘要： A bidirectional switch circuit includes two switching elements (SW1, SW2) connected to conduct a current in both directions. The two switching elements (SW1, SW2) are connected in series to each other. Of the two switching elements (SW1, SW2), the switching element (SW1) to which a reverse voltage is applied, a voltage of a source (S1) of one of the switching elements (SW1, SW2) being higher than a voltage of a drain (D) of the one, is configured to conduct a current from the source (S1) to the drain (D) even when an on-drive signal is not being input to a gate terminal (G1) of the one.
摘要翻译： 双向开关电路包括两个开关元件（SW1，SW2），其连接以在两个方向上传导电流。 两个开关元件（SW1，SW2）彼此串联连接。 在两个开关元件（SW1，SW2）中，施加有反向电压的开关元件（SW1），开关元件（SW1，SW2）中的一个的源极（S1）的电压高于 即使在未将驱动信号输入到该栅极端子（G1）的情况下，该漏极（D）被配置为将来自源极（S1）的电流传导到漏极（D）。
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公开(公告)号：EP2259419A1
公开(公告)日：2010-12-08
申请号：EP09720739.3
申请日：2009-03-10
IPC分类号： H02M7/48
CPC分类号： H02M7/48 , H01L2224/48091 , H01L2224/48137 , H01L2924/13091 , H02M7/003 , H02M2001/348 , H01L2924/00014 , H01L2924/00
摘要： In a power converter for converting AC power supplied from an AC power source or DC power supplied from a DC power source to DC power or AC power having predetermined voltage and frequency including at least one switching device (130) configured to be operable at high temperature, at least one snubber circuit (300) configured to be operable at high temperature and having a capacitor (301) configured to be operable at high temperature is provided.
摘要翻译： 在用于将从AC电源供应的AC电力或从DC电源供应的DC电力转换成具有预定电压和频率的DC电力或AC电力的电力转换器中，所述电力转换器包括被配置为在高温下可操作的至少一个开关装置（130） 提供至少一个配置成可在高温下操作的缓冲电路（300），并具有配置成可在高温下操作的电容器（301）。
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