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    • 2. 发明专利
    • Starter
    • 起动机
    • JP2013099083A
    • 2013-05-20
    • JP2011239112
    • 2011-10-31
    • Mitsubishi Electric Corp三菱電機株式会社
    • NAKAMURA HISAHIROTSUTSUMI TAKAHIROSHIRAFUJI YOSHINORI
    • H02P1/44H02K17/08H02K17/30
    • PROBLEM TO BE SOLVED: To provide a starter capable of avoiding occurrence of a problem when restarting a single phase induction motor.SOLUTION: The starter for starting a single phase induction motor 1 consisting of a main winding 2 and an auxiliary winding 3 includes an operation capacitor 4 connected in series with the auxiliary winding 3, a PTC thermistor 5-1 connected in parallel with the operation capacitor 4, a thermal switch 6 connected in series between the operation capacitor 4 and the PTC thermistor 5-1, and at least one PTC thermistor 10 connected in parallel with the PTC thermistor 5-1. The thermal switch 6 detects the temperature of the enclosure of a compressor 20, and interrupts the operation capacitor 4, the PTC thermistor 5-1 and the PTC thermistor 10 electrically when the temperature of the enclosure of a compressor 20 exceeds a temperature threshold.
    • 要解决的问题:提供一种能够在重启单相感应电动机时避免出现问题的起动器。 解决方案:用于启动由主绕组2和辅助绕组3组成的单相感应电动机1的起动器包括与辅助绕组3串联连接的工作电容器4,与 操作电容器4,串联连接在工作电容器4和PTC热敏电阻5-1之间的热开关6以及与PTC热敏电阻5-1并联连接的至少一个PTC热敏电阻10。 热敏开关6检测压缩机20的外壳的温度,并且当压缩机20的外壳的温度超过温度阈值时,电中断操作电容器4,PTC热敏电阻5-1和PTC热敏电阻10。 版权所有(C)2013,JPO&INPIT
    • 3. 发明专利
    • Single-phase induction motor and enclosed compressor
    • 单相感应电动机和封闭式压缩机
    • JP2011166865A
    • 2011-08-25
    • JP2010023874
    • 2010-02-05
    • Mitsubishi Electric Corp三菱電機株式会社
    • YOSHINO ISATOBABA KAZUHIKOYABE KOJIOIKAWA TOMOAKITSUTSUMI TAKAHIRO
    • H02K17/16
    • PROBLEM TO BE SOLVED: To provide a single-phase induction motor whose starting characteristics are improved by providing two different kinds of slots, i.e., rotor large slots and rotor small slots different in slot sectional area, and continuously arranging a predetermined number of rotor large slots in predetermined positions.
      SOLUTION: The single-phase induction motor includes a stator having a main winding inserted into multiple stator slots formed along the inner circumferential edge of a stator core fabricated by laminating a predetermined number of electromagnetic steel plates stamped into a predetermined shape and an auxiliary winding, and a rotor placed on the inner radial side of the stator with a gap in between. The rotor includes the rotor core fabricated by laminating the predetermined number of electromagnetic steel plates stamped into the predetermined shape and two different kinds of slots, i.e., rotor large slots and rotor small slots different in slot sectional area, that are formed along the outer circumferential edge of the rotor core and filled with a conductive material. The predetermined number of rotor large slots are continuously placed.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种单相感应电动机,其起动特性通过提供两种不同类型的槽,即,转子大槽和槽截面积不同的转子小槽,并且连续地布置预定数量 的转子大槽在预定位置。 解决方案:单相感应电动机包括定子,其具有插入到沿着定子芯的内周边缘形成的多个定子槽中的主绕组,该定子芯通过层压预定数量的冲压成预定形状的电磁钢板和 辅助绕组和设置在定子的内径向侧上的转子之间具有间隙的转子。 转子包括通过层叠预定数量的冲压成预定形状的电磁钢板和两个不同类型的槽,即沿槽外周面形成的转子大槽和转子小槽而形成的转子芯, 转子芯的边缘并填充有导电材料。 预定数量的转子大槽连续放置。 版权所有(C)2011,JPO&INPIT
    • 4. 发明专利
    • Rotor, sealed compressor, and refrigerating cycle device
    • 转子,密封压缩机和制冷循环装置
    • JP2008022601A
    • 2008-01-31
    • JP2006190080
    • 2006-07-11
    • Mitsubishi Electric Corp三菱電機株式会社
    • KAZAMA OSAMUOIKAWA TOMOAKISHIRAHATA TOMOHIROIWASAKI TOSHIAKIOKADA MASANORITSUTSUMI TAKAHIROFUJISUE YOSHIKAZU
    • H02K1/28F04B39/00H02K1/27H02K15/02
    • PROBLEM TO BE SOLVED: To provide a rotor reduced in the risk of the deterioration of the performance of a permanent magnet even if a rotating shaft is fit to the rotor by shrink fitting.
      SOLUTION: The rotor comprises: a first pipe 56 which is attached to a substantially cylindrically-shaped rotor core 21, and has a shaft hole 49 at its inside; a second pipe 57 which is arranged outside the first pipe 56, and has a plurality of magnet insertion holes 22 in the circumferential direction; ribs 55 which connect the first pipe 56 and the second pipe 57, and are arranged in the circumferential direction at intervals; and wind holes 45 or rivet holds 46 which are formed at the radial outside of the ribs 55 in the axial direction. The first pipe 56 and the second pipe 57 are arranged apart from each other, slits 47 which are surrounded by the first pipe 56, the second pipe 57 and the ribs 55, and a thin part 48a and a thin part 48b each having a prescribed thickness are formed between the wind holes 45 or the rivet holes 46 and the slit 47 in the axial direction.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:即使通过收缩配合将旋转轴配合到转子,也能减小永磁体的性能劣化的风险。 解决方案:转子包括:第一管56,其连接到基本上圆柱形的转子芯21上,并且在其内部具有轴孔49; 第二管57,其布置在第一管56的外侧,并且在圆周方向上具有多个磁体插入孔22。 连接第一管56和第二管57的肋55,并且间隔地沿圆周方向排列; 以及形成在肋55的径向外侧的轴向的风孔45或铆钉保持件46。 第一管56和第二管57彼此分开布置,被第一管56,第二管57和肋55包围的狭缝47以及薄的部分48a和薄的部分48b,每个具有规定的 厚度在轴向上形成在风孔45或铆钉孔46和狭缝47之间。 版权所有(C)2008,JPO&INPIT
    • 5. 发明专利
    • Method for manufacturing sealed compressor
    • 密封压缩机的制造方法
    • JP2006304467A
    • 2006-11-02
    • JP2005121814
    • 2005-04-20
    • Mitsubishi Electric Corp三菱電機株式会社
    • TAJIMA YASUYOSHIOIKAWA TOMOAKIKAZAMA OSAMUTSUTSUMI TAKAHIROSHIRAHATA TOMOHIRO
    • H02K15/02F04B39/00H02K3/18H02K15/12H02K21/16
    • PROBLEM TO BE SOLVED: To provide a method for manufacturing a sealed compressor capable of preventing degradation of performance and reliability.
      SOLUTION: In the method for manufacturing the sealed compressor in which a motor device element having a stator 4 wound with winding and a rotor 5 which uses a rare earth series permanent magnet and which is formed with a shaft insertion hole 11 at a central portion, and a compression element 3 which compresses coolant and is connected with the motor element by a shaft 8 are accommodated in a sealed container 1, the rare earth series permanent magnet of the rotor 5 is polarized, a coil 23 for heating is inserted in the shaft insertion hole 11 of the rotor 5 to heat the rotor 5 by means of induction heating, and the shaft 8 of the compression element 3 is inserted and fixed at the thermally-expanded shaft insertion hole 11 of the rotor 5.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种能够防止性能和可靠性降低的密封压缩机的制造方法。 解决方案:在具有缠绕有绕组的定子4的电动机装置元件和使用稀土系列永久磁铁的转子5的密封压缩机的制造方法中,其中形成有轴插入孔11 中央部分和压缩冷却剂并通过轴8与电机元件连接的压缩元件3容纳在密封容器1中,转子5的稀土类永久磁铁被极化,加热用线圈23插入 在转子5的轴插入孔11中通过感应加热来加热转子5,压缩元件3的轴8插入并固定在转子5的热膨胀轴插入孔11上。

      版权所有(C)2007,JPO&INPIT

    • 6. 发明专利
    • Single-phase induction motor and sealed compressor
    • 单相电动机和密封压缩机
    • JP2011188703A
    • 2011-09-22
    • JP2010054180
    • 2010-03-11
    • Mitsubishi Electric Corp三菱電機株式会社
    • YOSHINO ISATOBABA KAZUHIKOYABE KOJIOIKAWA TOMOAKITSUTSUMI TAKAHIRO
    • H02K17/16H02K17/08
    • PROBLEM TO BE SOLVED: To provide a single-phase induction motor improving starting characteristics by continuously arranging rotor slots filled with a conductive material having a low electric resistivity at specified positions. SOLUTION: The single-phase induction motor includes: a stator including main windings and auxiliary windings inserted into a plurality of stator slots formed along the inner peripheries of a stator core manufactured by stacking a fixed number of electromagnetic steel plates punched in a fixed shape; and a rotor arranged through an air gap on the inner peripheral side of the stator. In the single-phase induction motor, the rotor includes: a rotor core manufactured by stacking a fixed number of electromagnetic steel plates punched in the fixed shape; and the rotor slots formed along the outer periphery of the rotor core while being filled with the conductive material. In the single-phase induction motor, the rotor slots filled with the conductive material having the lower electric resistivity in the rotor slots are disposed continuously in the fixed number at the specified positions. COPYRIGHT: (C)2011,JPO&INPIT
    • 解决的问题:提供一种提高起动特性的单相感应电动机,其通过连续地设置填充有在特定位置具有低电阻率的导电材料的转子槽。 解决方案:单相感应电动机包括:定子,其包括插入沿着定子芯的内周形成的多个定子槽中的主绕组和辅助绕组,该定子芯通过堆叠固定数量的冲压在 固定形状; 以及通过定子的内周侧的气隙配置的转子。 在单相感应电动机中,转子包括:通过堆叠固定数量的以固定形状冲压的电磁钢板制成的转子芯; 并且转子槽在被导电材料填充的同时沿着转子芯的外周形成。 在单相感应电动机中,在转子槽中具有较低电阻率的导电材料填充的转子槽以固定数量连续地设置在指定位置。 版权所有(C)2011,JPO&INPIT
    • 7. 发明专利
    • Stator of motor, compressor, and refrigeration cycle apparatus
    • 电动机,压缩机和制冷循环装置的定子
    • JP2011078312A
    • 2011-04-14
    • JP2011008284
    • 2011-01-18
    • Mitsubishi Electric Corp三菱電機株式会社
    • TSUTSUMI TAKAHIROOIKAWA TOMOAKIKAZAMA OSAMU
    • H02K3/34
    • PROBLEM TO BE SOLVED: To provide a stator of motor that prevents an insulator of a coil end from being displaced when a root of each connector of an insulating member is cut in forming the coil end, and preventing layer short-circuit. SOLUTION: In the motor stator having an insulating member for insulating different phases of the coil ends which are formed at both ends in the axial direction, the insulating member has the two insulators for insulating between the different phases of the coil end, and connectors for connecting the two insulators. The connectors are each formed so that at least either of roots to the insulating portion of each connector, which is a straight portion of the roots except an R-portion for connecting the connector to the insulating portion, has a longer circumferential length than around the center of the connector. The connectors are each inserted into one slot of the stator. The dimension of the root of the connector to the insulating portion is 70-90% of the maximum circumferential dimension of the slot. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种电动机的定子,当绝缘构件的每个连接器的根部被切割以形成线圈端时,防止线圈端的绝缘体发生位移,并且防止层短路。 解决方案:在具有绝缘构件的电动机定子中,绝缘构件用于绝缘部件,用于绝缘部件,用于绝缘部件,用于绝缘部件,用于绝缘部件,其在线轴端的两端形成在轴向方向上的不同相位,绝缘部件具有两个用于绝缘的绝缘体, 以及用于连接两个绝缘体的连接器。 连接器各自被形成为使得除了用于将连接器连接到绝缘部分的用于连接连接器的R部分以外的根部的直线部分的每个连接器的绝缘部分的至少任一根具有比周围长的周长 连接器的中心。 连接器各自插入定子的一个槽中。 连接器的根部到绝缘部分的尺寸是槽的最大周向尺寸的70-90%。 版权所有(C)2011,JPO&INPIT
    • 9. 发明专利
    • Protector for synchronous induction motor, compressor, freezing cycle device
    • 同步感应电机,压缩机,冷冻循环装置的保护器
    • JP2005253134A
    • 2005-09-15
    • JP2004056306
    • 2004-03-01
    • Mitsubishi Electric Corp三菱電機株式会社
    • TSUTSUMI TAKAHIROOIKAWA TOMOAKIKAZAMA OSAMUTAJIMA YASUYOSHITAKITA YOSHIOYOSHINO ISATO
    • H02P25/18H02P7/54
    • PROBLEM TO BE SOLVED: To prevent burning, etc. by quickly detecting the step-out state of a synchronous induction motor of such a type that a permanent magnet is not used for a rotor. SOLUTION: Since this protector is equipped with a breaker 12 which is arranged in a power supply line from an AC power source 10 to the synchronous induction motor 11 of such a type that a permanent magnet is used for the rotor, an oscillation detector 13 which detects the oscillation of the synchronous induction motor 11, and a controller 14 which switches off the breaker 12 when the oscillation state detected by the oscillation detector 13 shows a step-out state, this can prevent the burning, etc. by quickly detecting the step-out state of the synchronous induction motor of such a type that a permanent magnet is not used for the rotor. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:通过快速检测不使用永久磁铁的同步感应电动机的转出状态来防止燃烧等。 解决方案:由于该保护器配备有断路器12,该断路器12布置在从AC电源10到同步感应电动机11的电源线中,使得永磁体用于转子,振荡 检测同步感应电动机11的振荡的检测器13,以及当由振荡检测器13检测到的振荡状态显示出退出状态时断开断路器12的控制器14,可以快速地防止燃烧等 检测出永磁体不用于转子的同步感应电动机的退出状态。 版权所有(C)2005,JPO&NCIPI
    • 10. 发明专利
    • Rotor of synchronous induction motor and compressor
    • 同步电动机和压缩机的转子
    • JP2005245052A
    • 2005-09-08
    • JP2004047523
    • 2004-02-24
    • Mitsubishi Electric Corp三菱電機株式会社
    • YOSHINO ISATOTAKITA YOSHIOKAWAGUCHI HITOSHIFUJIMURA SATORUTSUTSUMI TAKAHIRO
    • F04B39/00H02K19/06H02K19/10H02K19/14
    • PROBLEM TO BE SOLVED: To obtain a rotor of a synchronous induction motor that is high in efficiency by increasing reluctance torque while decreasing a leakage flux in a q-axis direction, and also is improved in starting performance. SOLUTION: There are formed around a rotor core 1: a plurality of slits 2 formed in parallel with the rotor core 1 that is formed by laminating a plurality of electromagnetic steel sheets, and for generating the reluctance torque by forming magnetic pole protrusions on a d-axis that is a direction where a magnetic flux is easy to flow and on the q-axis that is a direction where the magnetic flux is hard to flow; and a plurality of slots 3 for generating induction torque. The slits 2 and the slots 3 arranged at both ends of the slits are separated by arranging a thin-walled rib 7 formed of the electromagnetic steel sheet, and non-magnetic parts 8 are arranged at the external peripheral side of the slits 2 and the slot 3 that are separated by the rib 7. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了通过在减小q轴方向的漏磁通量的同时增加磁阻转矩来获得效率高的同步感应电动机的转子,并且提高起动性能。 解决方案:围绕转子芯1形成:与转子芯1平行形成的多个狭缝2,其通过层叠多个电磁钢板而形成,并且通过形成磁极突起来产生磁阻转矩 在磁通容易流动的方向的d轴和作为磁通难以流动的方向的q轴上; 以及用于产生感应转矩的多个槽3。 通过布置由电磁钢板形成的薄壁肋7而将狭缝2和狭缝3布置在狭缝的两端处,并且非磁性部件8布置在狭缝2的外周侧,并且 槽3由肋7分开。版权所有(C)2005,JPO&NCIPI