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    • 5. 发明授权
    • Dynamoelectric machine
    • 发电机
    • US08334633B2
    • 2012-12-18
    • US12920954
    • 2008-04-04
    • Moriyuki HazeyamaHiroyuki AkitaRyuichi ShimomuraMasaya InoueMasao MoritaToshiyuki YoshizawaShinji NishimuraKazunori Tanaka
    • Moriyuki HazeyamaHiroyuki AkitaRyuichi ShimomuraMasaya InoueMasao MoritaToshiyuki YoshizawaShinji NishimuraKazunori Tanaka
    • H02K1/22H02K9/22
    • H02K9/06H02K21/044
    • The present invention provides a dynamoelectric machine that enables heat that is generated in a permanent magnet to be transmitted to a fan and be radiated from the fan effectively, that suppresses occurrences of damage to the fan that result from centrifugal forces that act on the permanent magnet, and that also enables the fan to be prepared easily and inexpensively.In a dynamoelectric machine according to the present invention, a magnet holder (30, 35) that is made of a magnetic material is disposed so as to span over a trough portion (26, 27), an interfitting groove (31, 36) that has a groove direction in an axial direction is formed on the magnet holder (30, 35) so as to open radially outward, and so as to lead inward from an axially outer side, and a permanent magnet (32, 37) is held by the magnet holder (30, 35) by being fitted into the interfitting groove (31, 36) and is disposed so as to face an inner circumferential surface near a tip end of claw-shaped magnetic pole portions (24, 20) and have a predetermined clearance. In addition, a metal fan (40A, 40B) is fixed to an end surface of a pole core body (17, 21), a thermally conductive plate (43) is disposed so as to extend from a base portion (41) axially inward, and a leading end portion thereof is press-fitted between a lower surface of the permanent magnet (32, 37) and a bottom surface of the interfitting groove (31, 36).
    • 本发明提供一种电动机,其能够使永磁体中产生的热量有效地传递到风扇并从风扇辐射,从而抑制由作用于永久磁铁的离心力引起的风扇损坏的发生 ,而且还能够容易且廉价地制备风扇。 在根据本发明的电动机中,由磁性材料制成的磁体保持器(30,35)设置成跨过谷部(26,27),配合槽(31,36),该配合槽 在磁体保持器(30,35)上形成有沿轴向的槽方向,从而沿径向向外侧开口,并从轴向外侧向内方引导,永久磁铁(32,37)由 所述磁体保持器(30,35)通过嵌合在所述嵌合槽(31,36)中并且配置成面对爪状磁极部(24,20)的前端附近的内周面,并且具有 预定间隙。 此外,金属风扇(40A,40B)固定在极芯体(17,21)的端面,导热板(43)设置成从基部(41)轴向向内延伸 并且其前端部压配合在永磁体(32,37)的下表面和配合槽(31,36)的底面之间。
    • 6. 发明申请
    • DYNAMOELECTRIC MACHINE
    • 电动机
    • US20110012449A1
    • 2011-01-20
    • US12920954
    • 2008-04-04
    • Moriyuki HazeyamaHiroyuki AkitaRyuichi ShimomuraMasaya InoueMasao MoritaToshiyuki YoshizawaShinji NishimuraKazunori Tanaka
    • Moriyuki HazeyamaHiroyuki AkitaRyuichi ShimomuraMasaya InoueMasao MoritaToshiyuki YoshizawaShinji NishimuraKazunori Tanaka
    • H02K9/22
    • H02K9/06H02K21/044
    • The present invention provides a dynamoelectric machine that enables heat that is generated in a permanent magnet to be transmitted to a fan and be radiated from the fan effectively, that suppresses occurrences of damage to the fan that result from centrifugal forces that act on the permanent magnet, and that also enables the fan to be prepared easily and inexpensively.In a dynamoelectric machine according to the present invention, a magnet holder (30, 35) that is made of a magnetic material is disposed so as to span over a trough portion (26, 27), an interfitting groove (31, 36) that has a groove direction in an axial direction is formed on the magnet holder (30, 35) so as to open radially outward, and so as to lead inward from an axially outer side, and a permanent magnet (32, 37) is held by the magnet holder (30, 35) by being fitted into the interfitting groove (31, 36) and is disposed so as to face an inner circumferential surface near a tip end of claw-shaped magnetic pole portions (24, 20) and have a predetermined clearance. In addition, a metal fan (40A, 40B) is fixed to an end surface of a pole core body (17, 21), a thermally conductive plate (43) is disposed so as to extend from a base portion (41) axially inward, and a leading end portion thereof is press-fitted between a lower surface of the permanent magnet (32, 37) and a bottom surface of the interfitting groove (31, 36).
    • 本发明提供一种电动机,其能够使永磁体中产生的热量有效地传递到风扇并从风扇辐射,从而抑制由作用于永久磁铁的离心力引起的风扇损坏的发生 ,而且还能够容易且廉价地制备风扇。 在根据本发明的电动机中,由磁性材料制成的磁体保持器(30,35)设置成跨越槽部(26,27),配合槽(31,36),该配合槽 在磁体保持器(30,35)上形成有沿轴向的槽方向,从而沿径向向外侧开口,并从轴向外侧向内方引导,永久磁铁(32,37)由 所述磁体保持器(30,35)通过嵌合在所述嵌合槽(31,36)中并且配置成面对爪状磁极部(24,20)的前端附近的内周面,并且具有 预定间隙。 此外,金属风扇(40A,40B)固定在极芯体(17,21)的端面,导热板(43)设置成从基部(41)轴向向内延伸 并且其前端部压配合在永磁体(32,37)的下表面和配合槽(31,36)的底面之间。
    • 7. 发明申请
    • DYNAMOELECTRIC MACHINE
    • 电动机
    • US20100207476A1
    • 2010-08-19
    • US12670917
    • 2008-03-26
    • Toshiyuki YoshizawaMasaya InoueKanji ShinkawaMasao MoritaMoriyuki HazeyamaHiroyuki AkitaShinji NishimuraNorihiro Murata
    • Toshiyuki YoshizawaMasaya InoueKanji ShinkawaMasao MoritaMoriyuki HazeyamaHiroyuki AkitaShinji NishimuraNorihiro Murata
    • H02K1/28H02K1/22H02K21/04
    • H02K21/044
    • A dynamoelectric machine includes first and second magnet seat portions disposed to project from portions of first and second yoke portions that face respective inner circumferential surfaces near tip ends of second and first claw-shaped magnetic pole portions, and magnet housing portions disposed integrally to extend axially outward from outer circumferential portions of a pair of flange portions of a bobbin, extend near the first and second yoke portions that face the inner circumferential surfaces near the tip ends of the first and second claw-shaped magnetic pole portions, and be held by the first and second magnet seat portions. First and second permanent magnets are housed and held in the first and second magnet housing portions, are disposed to face the inner circumferential surfaces near the tip ends of the second and first claw-shaped magnetic pole portions, and the first and second permanent magnets are respectively magnetically oriented in a reverse direction to a direction of a magnetic field that the field coil produces.
    • 电动机包括第一和第二磁体座部分,该第一和第二磁体座部分从第一和第二磁轭部分的第二和第一爪形磁极部分的末端附近的内周面突出,以及一体地设置成轴向延伸的磁体壳体部分 从绕线筒的一对凸缘部的外周部向外侧延伸,靠近第一爪状磁极部和第二爪状磁极部的前端附近的内周面的第一磁轭部和第二磁轭部附近, 第一和第二磁体座部分。 第一永久磁铁和第二永久磁铁被容纳并保持在第一和第二磁体容纳部中,与第二爪状磁极部和第一爪状磁极部的前端附近的内周面相对配置, 分别沿与磁场线圈产生的磁场方向相反的方向磁性取向。
    • 9. 发明申请
    • DYNAMOELECTRIC MACHINE AND MANUFACTURING METHOD THEREFOR
    • 动力电机及其制造方法
    • US20080315701A1
    • 2008-12-25
    • US12141370
    • 2008-06-18
    • Masaya InoueKanji ShinkawaShinji NishimuraHiroyuki AkitaToshiyuki YoshizawaMoriyuki HazeyamaNorihiro MurataMasao Morita
    • Masaya InoueKanji ShinkawaShinji NishimuraHiroyuki AkitaToshiyuki YoshizawaMoriyuki HazeyamaNorihiro MurataMasao Morita
    • H02K1/28H02K15/03
    • H02K21/044Y10T29/49012
    • A dynamoelectric machine includes: a permanent magnet holding portion that is disposed integrally so as to project from the yoke portion on a portion of the pair of yoke portions that faces an inner circumferential surface near a tip end of the plurality of claw-shaped magnetic pole portions; an arc-shaped magnet holding aperture that has a C-shaped cross section that is formed in each of the permanent magnet holding portions so as to have an aperture center that is oriented axially, in which at least one axial end is open, and that opens radially outward; a magnet holding member that is made of a nonmagnetic material that is fitted into and held by the magnet holding aperture; and a permanent magnet that is held by the magnet holding member so as to face the inner circumferential surface near the tip end of the claw-shaped magnetic pole portions, that is prepared into a prismatic body that has a quadrilateral cross section perpendicular to an axial direction, and that is magnetically oriented in a reverse direction to an orientation of a magnetic field produced by the field coil.
    • 电动机包括:永磁体保持部,其一体地设置成从所述轭部突出到所述一对轭部的与所述多个爪状磁极的前端附近的内周面相对的部分突出 部分 弧形磁体保持孔,其具有形成在每个永磁体保持部分中的C形横截面,以便具有轴向定向的孔径中心,其中至少一个轴向端部敞开,并且 径向向外打开; 磁体保持构件,其由非磁性材料制成,所述非磁性材料装配并由所述磁体保持孔保持; 以及永磁体,其由所述磁体保持构件保持以面对所述爪状磁极部的前端附近的内周面,所述永磁体被准备为具有与轴向垂直的四边形截面的棱柱体 方向,并且与磁场线圈产生的磁场的方向相反的方向磁性取向。
    • 10. 发明授权
    • Dynamoelectric machine and manufacturing method therefor
    • 发电机及其制造方法
    • US07560851B2
    • 2009-07-14
    • US12141370
    • 2008-06-18
    • Masaya InoueKanji ShinkawaShinji NishimuraHiroyuki AkitaToshiyuki YoshizawaMoriyuki HazeyamaNorihiro MurataMasao Morita
    • Masaya InoueKanji ShinkawaShinji NishimuraHiroyuki AkitaToshiyuki YoshizawaMoriyuki HazeyamaNorihiro MurataMasao Morita
    • H02K1/22
    • H02K21/044Y10T29/49012
    • A dynamoelectric machine includes: a permanent magnet holding portion that is disposed integrally so as to project from the yoke portion on a portion of the pair of yoke portions that faces an inner circumferential surface near a tip end of the plurality of claw-shaped magnetic pole portions; an arc-shaped magnet holding aperture that has a C-shaped cross section that is formed in each of the permanent magnet holding portions so as to have an aperture center that is oriented axially, in which at least one axial end is open, and that opens radially outward; a magnet holding member that is made of a nonmagnetic material that is fitted into and held by the magnet holding aperture; and a permanent magnet that is held by the magnet holding member so as to face the inner circumferential surface near the tip end of the claw-shaped magnetic pole portions, that is prepared into a prismatic body that has a quadrilateral cross section perpendicular to an axial direction, and that is magnetically oriented in a reverse direction to an orientation of a magnetic field produced by the field coil.
    • 电动机包括:永磁体保持部,其一体地设置成从所述轭部突出到所述一对轭部的与所述多个爪状磁极的前端附近的内周面相对的部分突出 部分 弧形磁体保持孔,其具有形成在每个永磁体保持部分中的C形横截面,以便具有轴向定向的孔径中心,其中至少一个轴向端部敞开,并且 径向向外打开; 磁体保持构件,其由非磁性材料制成,所述非磁性材料装配并由所述磁体保持孔保持; 以及永磁体,其由所述磁体保持构件保持以面对所述爪状磁极部的前端附近的内周面,所述永磁体被准备为具有与轴向垂直的四边形截面的棱柱体 方向,并且与磁场线圈产生的磁场的方向相反的方向磁性取向。