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61. 发明专利

JPH03112392A PROTECTIVE DEVICE FOR DC BRUSHLESS MOTOR 失效
公开(公告)号：JPH03112392A
公开(公告)日：1991-05-13
申请号：JP24549589
申请日：1989-09-21
申请人： MITSUBISHI ELECTRIC CORP
发明人： AZUMA RYOTA , KAWAGUCHI HITOSHI
IPC分类号： H02H7/08 , H02H7/12 , H02P6/12
摘要： PURPOSE:To protect a semiconductor switch group even when it is subjected to the function of strong wind force by detecting abnormal voltage between the windings of e motor based on a signal from a phase detecting means for detecting the position of the pole of a rotor through a permanent magnet thereby controlling the function of a switch. CONSTITUTION:The protective device comprises a semiconductor switch group 3 outputting winding current of a brushless motor, a phase detecting means 5 for detecting the position of the pole of a rotor 4 through a permanent magnet, and a control means 23 for a switch 20. When the phase detecting means 5 detects increase of the rotation of the brushless motor in reverse direction due to the wind force, a line voltage judging means 22 judges whether the line voltage between the motor windings 2 is normal or not. If the line voltage is normal, the switch 20 brings the input lines to the semiconductor switch group 3 into conducting state while brings the input lines into short-circuited state if the line voltage is abnormal. By such arrangement, the semiconductor switch group 3 can be protected even when it is subjected to the function of strong wind force.

62. 发明专利

JPH03112369A INVERTER CIRCUIT FOR DC BRUSHLESS MOTOR 失效
公开(公告)号：JPH03112369A
公开(公告)日：1991-05-13
申请号：JP24549789
申请日：1989-09-21
申请人： MITSUBISHI ELECTRIC CORP
发明人： AZUMA RYOTA , KAWAGUCHI HITOSHI , KOMIYAMA KIKUO
IPC分类号： H02M7/48 , H02M7/537 , H02P6/06 , H02P6/08
摘要： PURPOSE:To protect a transistor in the upper stage section from breakdown by arranging a protective circuit comprising a transistor, a capacitor and a diode for a PNP transistor having high breakdown strength located at the upper stage section of a semiconductor switch group. CONSTITUTION:Upon provision of a driver signal, i.e., an ON signal, to the base of a transistor Qd1 at the lower stage section, the transistor Qd1 operates to feed a displacement current (in the direction of an arrow) through the emitter- base of a transistor Q4. Consequently, a capacitor C1 is charged. Upon function of the transistor Q4, the base-emitter voltage of a transistor Qu1 is equal to the collector saturation voltage of the transistor Q4 thus turning the transistor Qu1 OFF positively. Since the transistors Qul, Qu2, Qu3, Qd1, Qd2, Qd3 at the upper and lower stage sections are not conducted through, large current does not flow and thereby the transistors Qu1, Qu2, Qu3 are protected against breakdown.

63. 发明专利

JPS60202568A CODE MODULATOR OF OPTICAL DISC 失效
公开(公告)号：JPS60202568A
公开(公告)日：1985-10-14
申请号：JP5788284
申请日：1984-03-26
申请人： MITSUBISHI ELECTRIC CORP
发明人： KAWAGUCHI HITOSHI
IPC分类号： H04L25/49 , G11B7/00 , G11B7/004 , G11B20/10 , G11B20/14
摘要： PURPOSE:To eliminate a specific pattern exists in the record data and to delete the DC component out of a modulation signal, by adding the random data to the front of a code modulating circuit and to the back of a code demodulating circuit. CONSTITUTION:The existing data covering several bytes for synchronization and several repetitions of data marks are added to the record data an. The synchronization is secured with the data mark set immediately before the record data. Then the record data an is added to the random data bn fed from a random data generating circuit 11. These added data are modulated by a code modulating circuit 1. In other words, the continuous patterns of short cycles included in the data are turned into a specific pattern of a long cycle contained in the data bn by the circuit 11. Then the cycle can be set larger than a record capacity bit of a sector by the sum of both data bn and an even with continuous specific patterns of short cycles where a DC component is produced just over a sector. Thus such a data string that produces a DC component is deleted.

64. 发明专利

JP2011083164A Rotor of permanent magnet type motor 审中-公开
标题翻译：永磁电机转子
公开(公告)号：JP2011083164A
公开(公告)日：2011-04-21
申请号：JP2009235531
申请日：2009-10-09
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： BABA KAZUHIKO , KAWAGUCHI HITOSHI
IPC分类号： H02K1/27
摘要： PROBLEM TO BE SOLVED: To provide a rotor of a permanent magnet type motor in which leakage flux is further reduced in a rotor core. SOLUTION: The rotor 600 of the permanent magnet type motor includes: a rotor iron core 67 constituted by laminating the predetermined number of electromagnetic steel plates punched into a predetermined shape; a plurality of magnet insertion holes 11 formed along the outer periphery of the rotor iron core 67; a pair of leakage flux suppressing slits 63a, 63b provided at both ends of the magnet insertion hole 11, coupled with the magnet insertion hole 11 and extending to the center of the magnetic pole along the outer periphery of the rotor iron core 67; a permanent magnet 8 inserted into the magnet insertion hole 11: an outer peripheral thin wall formed between the outer periphery of the rotor core 67 and the leakage flux suppressing slits 63a, 63b; and the predetermined number of holes, each of which is formed with a predetermined shape along the circumferential direction inside the outer peripheral thin wall. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种永磁式电动机的转子，其中在转子铁心中漏电流进一步减小。解决方案：永磁式电动机的转子600包括：转子铁芯67，其通过层压预定数量的被冲压成预定形状的电磁钢板而构成; 沿着转子铁芯67的外周形成的多个磁铁插入孔11; 设置在磁铁插入孔11的两端的一对漏磁通抑制狭缝63a，63b，与磁铁插入孔11连接并且沿着转子铁心67的外周延伸到磁极的中心; 插入到磁体插入孔11中的永磁体8：形成在转子铁心67的外周与漏磁通抑制狭缝63a，63b之间的外周薄壁; 以及预定数量的孔，每个孔在外周薄壁内沿周向形成预定形状。版权所有（C）2011，JPO＆INPIT

65. 发明专利

JP2011066999A Rotor of permanent magnet motor 审中-公开
标题翻译：永磁电机转子
公开(公告)号：JP2011066999A
公开(公告)日：2011-03-31
申请号：JP2009214897
申请日：2009-09-16
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： BABA KAZUHIKO , KAWAGUCHI HITOSHI
IPC分类号： H02K1/27
摘要： PROBLEM TO BE SOLVED: To provide a rotor of a permanent magnet motor further reduced in the leakage of magnetic flux in a rotor core. SOLUTION: The rotor 100 of the permanent magnet motor is equipped with: the rotor core 17 which is constituted by laminating a prescribed number of electromagnetic steel plates which are punched out in prescribed shapes; a plurality of magnet accommodation holes 11 which are formed along the external periphery of the rotor core 17; a pair of magnetic flux leakage suppression slits 13a, 13b which are formed at both ends of the magnet accommodation holes 11, connected to the magnet accommodation holes 11, and extended toward the center of a magnetic pole along the external periphery of the rotor core 17; permanent magnets 8 which are inserted into the magnet accommodation holes 11; and an external peripheral thinned part which is formed between the external periphery of the rotor core 17 and the magnetic flux leakage suppression slits 13a, 13b. A shape of the external peripheral thinned part is formed in such a waveform shape that the magnetic passage length of the external peripheral thinned part becomes long compared with the case where the external peripheral thinned part is linear or circular, and extends in the circumferential direction. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种永磁电动机的转子，其进一步减小了转子铁芯中的磁通量的泄漏。解决方案：永磁电动机的转子100装有转子铁心17，该转子铁芯17层压规定数量的以规定形状冲压的电磁钢板构成; 沿着转子铁心17的外周形成的多个磁铁容纳孔11; 一对磁通泄漏抑制狭缝13a，13b，其形成在磁体容纳孔11的两端，与磁体容纳孔11连接，沿着转子铁心17的外周朝向磁极的中心延伸 ; 插入磁体容纳孔11中的永磁体8; 以及形成在转子铁芯17的外周与磁通泄漏抑制狭缝13a，13b之间的外周侧薄壁化部。外周薄型部的形状形成为与外周薄型化部分呈直线状或圆形并且沿圆周方向延伸的外围部分变薄部的磁通长度变长的波形形状。版权所有（C）2011，JPO＆INPIT

66. 发明专利

JP2010081776A Rotor of synchronous motor, and method of manufacturing the same rotor 有权
标题翻译：同步电动机的转子及其制造方法
公开(公告)号：JP2010081776A
公开(公告)日：2010-04-08
申请号：JP2008250619
申请日：2008-09-29
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： MATSUOKA ATSUSHI , BABA KAZUHIKO , KAWAGUCHI HITOSHI
IPC分类号： H02K1/02 , H02K1/22 , H02K1/27 , H02K15/02 , H02K15/03
摘要： PROBLEM TO BE SOLVED: To provide a rotor of a synchronous motor that reduces vibration and noise. SOLUTION: The rotor 100 of the synchronous motor has a first magnetic material member 2 which is formed of a material containing a soft magnetic powder and has a function of a back yoke, permanent magnets 1 disposed in the outside of the magnetic material member 2, and a second magnetic material member 3 disposed in the outer periphery of each permanent magnet 1 and consisting of a member containing the soft magnetic powder. The area of the second magnetic material member 3 is made large in the vicinity of the center of each magnetic pole constituted by each permanent magnet 1, and is made small in the vicinity of each space between the magnetic poles. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供减少振动和噪声的同步电动机的转子。解决方案：同步电动机的转子100具有第一磁性材料构件2，其由含有软磁性粉末的材料形成，并且具有背轭的功能，设置在磁性材料外侧的永磁体1 以及设置在每个永磁体1的外周中并由包含软磁性粉末的构件组成的第二磁性材料构件3。第二磁性体部件3的面积在由各永磁体1构成的各磁极的中心附近形成得较大，并且在磁极之间的每个间隔附近变小。版权所有（C）2010，JPO＆INPIT

67. 发明专利

JP2007177795A Motor control device for feed-water pump 有权
标题翻译：供水泵的电机控制装置
公开(公告)号：JP2007177795A
公开(公告)日：2007-07-12
申请号：JP2007092433
申请日：2007-03-30
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： TAKITA YOSHIO , KAWAGUCHI HITOSHI , MATSUOKA ATSUSHI
IPC分类号： F04B49/00
摘要： PROBLEM TO BE SOLVED: To provide a motor control device for a feed-water pump which stops a motor of the feed-water pump when a feed-water tank has run out of water.
SOLUTION: A control circuit is provided which stops the motor by detecting that the number of revolutions of the motor has exceeded the prescribed number of revolutions to be stopped.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于给水泵的电动机控制装置，其在给水箱已经用完时停止给水泵的电动机。
解决方案：提供一种控制电路，其通过检测到电动机的转数超过要停止的规定转数来停止电动机。版权所有（C）2007，JPO＆INPIT

68. 发明专利

JP2006217702A Manufacturing method of motor stator , motor rotor, and motor core 审中-公开
标题翻译：电机定子，电机转子和电机芯的制造方法
公开(公告)号：JP2006217702A
公开(公告)日：2006-08-17
申请号：JP2005026179
申请日：2005-02-02
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KAWASAKI SACHIKO , MATSUOKA ATSUSHI , KAWAGUCHI HITOSHI , TAKITA YOSHIO , NAKANE KAZUHIRO , ISHII HIROYUKI , HANAKI TAKAYUKI , MATSUNAGA NORIAKI
IPC分类号： H02K1/02 , H02K1/17 , H02K1/18 , H02K1/22 , H02K15/02
摘要： PROBLEM TO BE SOLVED: To provide a stator used in a motor capable of performing winding by making the most of the cross-sectional area of a slot without adjacent coils interfering with each other in winding a coil around respective teeth.
SOLUTION: This stator of the motor uses a stator core formed by injecting, cooling and solidifying a compound material kneaded with a soft magnetic powder material and resin. The stator core is formed circularly in series after winding a split core which includes one tooth section, a tooth tip, and a core back section. The respective split cores are formed in a metal mold provided with an orientation magnetic field so as to meet the direction of a magnetic path of the split core.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种电动机中使用的定子，其能够通过在没有相邻线圈的情况下最大限度地进行绕组的横截面积来缠绕，从而绕着相应的齿圈缠绕线圈。解决方案：该电动机的定子使用通过注射，冷却和固化用软磁粉末材料和树脂捏合的复合材料形成的定子芯。在卷绕包括一个齿部，齿尖和芯部后部的分割铁心之后，定子铁心圆周地串联地形成。相应的分割芯形成在具有取向磁场的金属模具中，以便满足分割芯的磁路的方向。版权所有（C）2006，JPO＆NCIPI

69. 发明专利

JP2006130506A Dehumidifier 有权
标题翻译：除湿机
公开(公告)号：JP2006130506A
公开(公告)日：2006-05-25
申请号：JP2005366661
申请日：2005-12-20
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： YAMADA TOMOO , KAWAGISHI KENJI , SAKANOBE KAZUNORI , KAWAGUCHI HITOSHI , BABA KAZUHIKO , KAWAGUCHI SUSUMU , MAEYAMA HIDEAKI , TANI MASAO , KAZAMA OSAMU
IPC分类号： B01D53/26 , H02K1/27 , H02K21/16 , H02P6/08 , H02P6/10
摘要： PROBLEM TO BE SOLVED: To provide a small-sized, lightweight and highly reliable dehumidifier low in power consumption, sound and vibration and capable of being operated at variable speeds. SOLUTION: This dehumidifier has a condenser and an evaporator constituting a refrigeration cycle accommodated in a same dehumidifier body, and has, in the dehumidifier body, a converter circuit for converting an alternate current voltage to a direct current voltage, an inverter circuit for converting the direct current voltage converted by the converter circuit to an alternate current voltage of an arbitrary voltage, frequency and phase, a control circuit for controlling the voltage, frequency and phase produced by the inverter circuit and a compressor having a DC brushless motor outputted by the inverter circuit. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供低功耗，声音和振动的小型，重量轻，可靠性高的除湿机，能够以可变速度运行。解决方案：该除湿器具有冷凝器和蒸发器，其构成容纳在相同的除湿器主体中的制冷循环，并且在除湿器主体中具有用于将交流电压转换为直流电压的转换器电路，逆变器电路用于将由转换器电路转换的直流电压转换为任意电压，频率和相位的交流电压，用于控制由逆变器电路产生的电压，频率和相位的控制电路以及输出具有直流无刷电动机的压缩机由逆变电路。版权所有（C）2006，JPO＆NCIPI

70. 发明专利

JP2006034100A Permanent magnet type motor 审中-公开
标题翻译：永磁电机类型电机
公开(公告)号：JP2006034100A
公开(公告)日：2006-02-02
申请号：JP2005297428
申请日：2005-10-12
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： BABA KAZUHIKO , KAWAGUCHI HITOSHI , OIKAWA TOMOAKI , TAJIMA YASUYOSHI
IPC分类号： H02K1/22 , H02K1/27 , H02K21/16
摘要： PROBLEM TO BE SOLVED: To provide a permanent magnet type motor that is satisfactory in controllability, even during high-speed rotation. SOLUTION: The permanent magnet type motor is provided with a stator 12 having a winding of plural phases and a rotor 16 having a rotor iron core 14, which is arranged facing the inner diameter side of the stator 12 via an air gap part and to which a magnet inserting hole 26 for arranging a permanent magnet 15 is provided, and the permanent magnet 15 provided to the inside of the magnet insertion hole 26 of the rotor iron core 14. A magnet notched part 29 is provided to the circumferential end part of the permanent magnet 15, and a thin coupling part is provided to the rotor iron core 14 along the magnet notched part 29. When the maximum value of the length of an air gap, where the inner periphery of the stator 12 and the outer periphery of the rotor 16 face each other, is set as La and the minimum value of the length of the air gap is set as Lb, the ratio La/Lb of the maximum value La to the minimum value Lb of the length of the air gap is set so as to be 1.3 ≤ La/Lb ≤ 3. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：即使在高速旋转期间，提供令人满意的可控性的永磁式电动机。解决方案：永磁式电动机设置有具有多相绕组的定子12和具有转子铁芯14的转子16，转子铁芯14经由气隙部分配置成与定子12的内径侧相对并且设置有用于设置永磁体15的磁体插入孔26，以及设置在转子铁芯14的磁体插入孔26的内侧的永久磁铁15.磁体切口部分29设置在圆周端永久磁铁15的一部分以及沿着磁体切口部29向转子铁芯14设置的薄的连接部。当定子12的内周和外侧的空气间隙的长度的最大值转子16的周边彼此面对，被设定为La，将气隙的长度的最小值设定为Lb，将最大值La的比率La / Lb设定为空气长度的最小值Lb 间隙设定为1.3≤La/Lb≤3 YRIGHT：（C）2006，JPO＆NCIPI

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