WO2008153171A1 - 回転電機 - Google Patents
回転電機 Download PDFInfo
- Publication number
- WO2008153171A1 WO2008153171A1 PCT/JP2008/060935 JP2008060935W WO2008153171A1 WO 2008153171 A1 WO2008153171 A1 WO 2008153171A1 JP 2008060935 W JP2008060935 W JP 2008060935W WO 2008153171 A1 WO2008153171 A1 WO 2008153171A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rotor
- groove
- width
- degrees
- electrical angle
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
- H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
- H02K29/03—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with a magnetic circuit specially adapted for avoiding torque ripples or self-starting problems
Definitions
- the present invention relates to a rotating electrical machine, and more particularly to a rotating electrical machine in which noise is reduced.
- Tonole crypt nore shows the variation in output torque as a percentage of the average torque, and it is generally known that the greater this torque ripple, the greater the vibration and noise in the rotating electrical machine.
- Examples of the rotating electrical machine in which the cogging torque is reduced include, for example, the rotating electrical machines described in Japanese Patent Application Laid-Open No. 2005-354798, Japanese Patent Application Laid-Open No. 2005-124281, and Japanese Patent Application Laid-Open No. 2000-5210826. is there.
- the present invention has been made in view of the above-described problems, and an object thereof is to provide a rotating electrical machine in which noise is reduced.
- the rotating electrical machine includes a stator having a plurality of winding phases formed by distributed flaws, a rotor having a plurality of magnetic poles and having an outer periphery facing the stator, The first groove part formed on the outer periphery of the child and the first groove part among the magnetic poles, And a second groove formed in a portion located on the opposite side of the reference magnetic pole closest to the first groove.
- the ratio of the half width of the protrusion in the circumferential direction of the rotor to the width is 0.37 or more and 6 or less.
- the width of the first groove portion in the circumferential direction of the rotor is an electrical angle of not less than 0.46 degrees and not more than 3.45 degrees, and the circumferential width of the rotor of the protrusion is 5. 1 degree or more and 1 1.0 or less and 8 degrees or less.
- the width of the first groove portion in the circumferential direction of the rotor is 2.0 degrees or more and 3.4 or less degrees in terms of electrical angle, and the width of the protrusion is 5.1 degrees in terms of electrical angle. More than 8.0 degrees.
- the sum of the electrical angle that is half the width of the protrusion in the circumferential direction of the rotor and the electrical angle of the width of the first groove in the circumferential direction of the rotor is constant.
- the groove extends from the reference position on the outer periphery of the rotor so as to be away from the center line of the reference magnetic pole closest to the groove, and the reference position passes through the reference position and the center point of the rotor.
- the electrical angle between the virtual straight line and the center line of the reference magnetic pole is 84 degrees.
- the rotating electrical machine includes a stator having a plurality of winding phases formed by distributed flaws, a rotor having a plurality of magnetic poles and having an outer periphery facing the stator, and the rotor Embedded in the permanent magnet that defines the magnetic pole, and a plurality of salient poles that are located radially outside of the rotor with respect to the magnet and that are formed on the outer periphery of the rotor at intervals in the circumferential direction of the rotor A part.
- the rotating electrical machine is formed on the outer periphery of the adjacent rotor with respect to the salient pole part, and from the circumferential end of the salient pole part, the circumferential end and the first reference position of the rotor
- the first reference position has an electrical angle of 9 between an imaginary straight line passing through the first reference position and the center point of the rotor, and the center line of the magnetic pole. Located at 0 degrees.
- the ratio of the electrical angle in the circumferential direction of the rotor of the groove portion to the electrical angle of half the circumferential electrical angle of the rotor in the salient pole portion is 0. Is larger than 0.07.
- the rotating electrical machine includes a stator having a plurality of winding phases formed by distributed winding, a rotor having a plurality of magnetic poles, and an outer periphery facing the stator,
- the outer periphery of the rotor includes a plurality of salient pole portions formed at intervals in the circumferential direction of the rotor, and a groove portion formed on the outer periphery of the rotor adjacent to the salient pole portion.
- the electrical angle with the second end virtual line defined by is 84 degrees.
- FIG. 1 is a cross-sectional view of the rotating electrical machine according to the present embodiment.
- FIG. 2 is an enlarged view of a portion indicated by I I in FIG.
- FIG. 3 is an enlarged view showing the groove and its vicinity.
- FIG. 4 is an enlarged view showing the groove and its vicinity in the rotating electrical machine when the electrical angle of the groove width is 6 degrees.
- FIG. 5 is a cross-sectional view showing a modification of the rotor.
- FIG. 6 is a graph showing the simulation results, and is a graph showing the 24th-order components of torque ripple generated when various types of rotating electrical machines having different groove widths are driven.
- FIG. 7 is a graph showing simulation results, and is a graph showing torque ripple 48th order components generated when various types of rotating electrical machines having different groove widths are driven.
- FIG. 8 is a graph showing the simulation results, and is a graph showing the 24th-order component of the radial force generated in the rotor when various types of rotating electrical machines having different groove widths are driven.
- FIG. 9 is a graph showing the simulation results, and is a graph showing the 48th-order component of the radial force when various types of rotating electrical machines having different groove widths are driven.
- FIG. 1 is a cross-sectional view of rotating electric machine 1 according to the present embodiment.
- FIG. 2 is an enlarged view of a portion indicated by I I in FIG.
- the rotating electrical machine 1 includes a U-phase coil 1 1 0 U, a V-phase coinor 1 1 0 V, and a W-phase as a plurality of winding phases formed by distributed winding.
- a stator 1 0 0 having a coil 1 1 0 W, and a rotor 1 0 having a permanent magnet 3 0 as a plurality of magnetic poles and having an outer peripheral surface (outer periphery) 1 3 facing the stator 1 0 0 It has.
- the stator 100 has an annular core body 103, and is configured, for example, by stacking a plurality of magnetic steel plates.
- stator teeth 1001 projecting inward in the radial direction is formed.
- Slot portions (recess portions) 10 2 are formed between the stator teeth 100 1, and each slot portion 10 2 opens toward the inner peripheral side of the core body 10 3. .
- the slot portions 102 are formed at 48 locations.
- the stator teeth 1 0 1 are wound with a U-phase coinore 1 1 0 U, a V-phase coinore 1 1 0 V, and a W-phase coil 1 1 0 W as a negative phase due to the distribution. That is, the rotating electrical machine 1 is a three-phase motor generator.
- the U-phase coinore 1 1 0 U is located on the outermost side of the core body 1 0 3, and the V-phase coil 1 1 OV is located radially inward from the U-phase coil 1 1 0 U. Yes.
- the W-phase coil 1 1 O W is located on the radially inner side with respect to the V-phase coil 1 1 O V.
- each coil is wound directly on the stator teeth 100.
- each coil may be mounted using an insulator. .
- the rotor 10 includes a cylindrical core body 20 formed by laminating electromagnetic steel plates made of iron or ferrous metal.
- the core body 20 is formed with a plurality of magnet housing portions 20 A to 2 OH that are formed at intervals in the circumferential direction of the core body 20 and house the permanent magnets 30.
- the magnet housing part 2 OA has a pair of holes 20 A 1 and 20 A 2, and the holes 20 A 1 and 20 A 2 are slightly separated in the circumferential direction of the core body 20. Then, permanent magnets 30 (30 A) are accommodated in the holes 20A1, 20A2. A gap 40 is formed between the inner surface of the core body 20 that defines the holes 20A1 and 20A2 and the permanent magnet 30. The gap 40 is located at both ends of the permanent magnet 30.
- the other magnet housing portions 20 B to 2 OH also have a pair of holes, similarly to the magnet housing portion 2 OA, and the permanent magnets 30 are housed in the respective hole portions.
- the rotating electrical machine 1 is a three-phase 8-pole motor generator.
- each permanent magnet 3OA accommodated in each hole 20A1, 20A2 of the magnet accommodating portion 20A is the same.
- the magnet housing part 2 The permanent magnet 3 housed in the OA, the magnetism on the outer peripheral side of the OA, the magnet housing part 20B adjacent to the magnet housing part 20A, and the permanent magnet 30 housed in the hole of the 2OH It is different from the magnetism on the outer periphery side of.
- the magnet housing part 2 the permanent magnet housed in the OA 3 OA magnetic pole center line 1 1 A is between the hole 2 OA 1 and the hole 2 OA 2 and the center point of the core body 20 1 20 Pass through.
- an imaginary straight line 12 having an electrical angle of 90 degrees with the center line 11 is adjacent to the magnet housing part 2 OA and the circumferential direction of the core body 20 with respect to the magnet housing part 2 OA. Passes through the middle of the matching magnet housing 20 B and through the center point 120.
- the rotor 10 includes a plurality of permanent magnets 30, and the stator 100 rotates by supplying AC power to the coils 1 10U, 1 10 V, and 1 10 W of the stator 100. .
- the rotor 10 is fixed to a rotary shaft 130 inserted into a through hole formed in the center of the rotor 10.
- a portion of the outer peripheral surface 13 of the rotor 10 that is located radially outward of the rotor 10 with respect to the permanent magnet 30 housed in the magnet housing portion 20 is A salient pole portion 60 is formed.
- a groove portion 14 is formed on the peripheral surface of the salient pole portion 60.
- the electrical angle defined by the virtual line passing through the bottom of the groove 14 and the center point 120 of the rotor 10 and the center line 11 is 6 degrees or more and 22 degrees or less.
- a groove portion 51 is formed at a position adjacent to the salient pole portion 60 in the circumferential direction of the rotor 10.
- the groove part 51 is positioned and positioned on both ends of the salient pole part 60 in the circumferential direction.
- the groove 51 A is closest to the permanent magnet 3 OA among all the permanent magnets 30.
- Two grooves 51A are formed in a portion of the rotor 10 that is located symmetrically with respect to the magnetic pole center line 11A of the permanent magnet 30A.
- the salient pole portion 6OA is defined by the two symmetrically arranged grooves 51A.
- FIG. 3 is an enlarged view showing the groove 51A and the vicinity thereof.
- the electrical angle C defined by the above is 84 degrees
- the circumferential width (electrical angle CX 2) of the salient pole part 6 OA is 168 degrees (electrical angle). That is, the salient pole part 60 is formed symmetrically with respect to the center line 11.
- the groove 51A extends in the circumferential direction of the rotor 10 from the circumferential end (reference position) 54A of the salient pole portion 6OA toward the reference position 53.
- the reference position is set so that the electrical angle defined by the virtual straight line 12 passing through the reference position 53 and the center point of the rotor 10 and the center line 1 1 of the permanent magnet 3 OA magnetic pole is 90 degrees. 53 ranks It is location.
- Groove 5 1 A extends from circumferential end 5 4 A of salient pole 6 OA toward reference position 53 and reaches between circumferential end 5 4 A and reference position 53 .
- salient pole portions 60 are formed for each permanent magnet 30, and the width of each salient pole portion 60 is also set to 1 68 degrees in electrical angle.
- a groove 51 is formed at a position adjacent to the salient pole 60.
- one circumferential end of the salient pole part 60 B is located at a position of 84 degrees (electrical angle) from the center line 11 of the permanent magnet 3 OB to the permanent magnet 3 OA side.
- Portion 5 5 A is located, and groove portion 5 1 B is formed on outer peripheral surface 13 of rotor 10 adjacent to permanent magnet 3 OA with respect to circumferential end portion 5 5 A. .
- the groove 5 1 A and the groove 5 1 B are positioned symmetrically with respect to the virtual straight line 12 passing through the reference position 53 and the center point O of the rotor 10. is doing.
- the widths of the grooves 51 are all the same.
- the protrusions 52 are defined between the grooves 51. .
- the central portion in the circumferential direction of the tip of the protrusion 52 A is located at an electrical angle of 90 degrees with respect to the center line 11 of each magnetic pole of the permanent magnet 30 A and the permanent magnet 3 OB.
- each salient pole portion 60 is set to 1 68 degrees (electrical angle), and each salient pole portion 60 is equidistant from the outer peripheral surface 13 of the rotor 10. Has been placed. For this reason, the width between the salient pole portions 60 is set to 12 degrees (electrical angle).
- the electrical angle t 1 of the circumferential width of the groove 51 A is an imaginary value that passes through the center point O and the point that defines the largest circumferential width of the opening edge of the groove 51 A. Straight line And an electrical angle defined by a virtual straight line passing through the other point and the center point o.
- the groove 51 extends in the axial direction of the rotor 10, and the width of the groove 51 is a uniform rectangular shape. In addition, the depth of the groove 51 is uniform over the axial direction of the rotor 10.
- FIG. 4 is an enlarged view showing the grooves 5 1 A, 51 B and the vicinity thereof in the rotating electrical machine 1 when the electrical angle of the width of the grooves 51 A, 51 B is 6 degrees.
- the electrical angle of the grooves 51A and 51B is 6 degrees, the grooves communicate with each other, and the protrusion 52 is not defined.
- FIGS. 1 to 4 a groove 14 is formed, and the torque ripple 2 can also reduce the quaternary component by this groove 14.
- the groove 14 is an essential component. is not.
- FIG. 5 is a cross-sectional view showing a modified example of the rotor 10. As shown in FIG. 5, the groove 14 may not be formed.
- Fig. 6 is a graph showing the simulation results, and is a graph showing the 2nd and 4th order components of torque ripple generated when various types of rotating electrical machines 1 with different groove widths are driven.
- Fig. 7 shows the simulation results. It is a graph which shows a result, and is a graph which shows a torque lip nore 48th order component.
- FIG. 8 is a graph showing the simulation results, and is a graph showing the 24th-order component of the radial force generated in the rotor when various rotating electrical machines 1 having different groove widths of the groove width 51 are driven.
- Fig. 9 is a graph showing the simulation results, showing the 48th order component of the radial force.
- the noise generated when the rotating electrical machine 1 is driven is configured by overlapping various kinds of noise. Then, in the three-phase eight-pole motor generator as in the rotating electrical machine 1 according to the present embodiment, among the noise components of the respective orders obtained by Fourier transforming noise generated by driving the rotating electrical machine 1 2 4th order noise corresponding to the least common multiple of the number of phases and the number of poles increases. Furthermore, among the noise components of each order obtained by performing Fourier transform on the noise generated by driving the rotating electrical machine 1, the noise of the order corresponding to the number of slots also increases.
- the horizontal axis indicates the width of the groove 51 in electrical angle
- the left vertical axis Indicates torque ripple 2 quaternary component.
- the vertical axis on the right side shows the torque ripple generated in the rotating electricity without the groove 51. The torque ripple generated when the width of each groove is varied when the quaternary component is 100%. This indicates the size of the component.
- the size of the tonneau kripple 2 quaternary component can be expected to decrease as the width (t 1) of the groove 51 increases.
- each groove 5 1 A, 5 1 B is greater than 0 degrees (electrical angle) and less than 6 degrees (electrical angle), thereby reducing torque ripple 2 4th order component. Can be achieved.
- an electrical angle C (projection) defined by a virtual straight line 16 passing through one circumferential end 5 4 A of the salient pole 60 and the center point ⁇ of the rotor 10 and the center line 11
- the ratio of the circumferential width t 1 (electrical angle) of the groove 51 to the pole) is greater than 0 and 0.07 or less.
- the horizontal axis shows the width of the groove 51 in electrical angle
- the left vertical axis shows the radial component 2 4th order component.
- the vertical axis on the right side shows the radial force generated by rotating electricity without the groove 51.
- the radial force 2 quaternary component can be greatly reduced when the circumferential width of the groove 51 is greater than 0 degrees in electrical angle.
- the torque ripple 2 of the 4th order component can be obtained by setting the width (tl) of each of the grooves 5 1 A and 5 1 B to be larger than 0 degree (electrical angle) and not larger than 6 degrees (electrical angle). Reduction can be achieved.
- the horizontal axis represents the width of the groove 51 in electrical angle
- the left vertical axis represents the radial force 48th order component.
- the vertical axis on the right side shows the radial force 4 generated in the rotating electricity where the groove 51 is not formed. 8 Radial force generated when the width of each groove is varied when the 8th order component is 100%. This indicates the size of the next component.
- the radial force 48th-order component is lower in the range where the circumferential width of the groove 51 is larger than 0 degree (electrical angle). For this reason, it is possible to reduce the 48th order component of the motor noise generated when the rotating electrical machine 1 is driven. ,
- the radial force 4 of the 8th order component can be obtained by setting the width (t 1) of each of the grooves 5 1 A and 5 1 B to be greater than 0 degrees (electrical angle) and less than 6 degrees (electrical angle). Reduction can be achieved.
- Electrical angle C defined by a virtual straight line 16 passing through one circumferential end 5 4 ⁇ of the salient pole part 60 and the center point O of the rotor 10 and the center line 11 (salient pole part)
- the ratio of the circumferential width t 1 of the groove 51 is greater than 0 and equal to or less than 0.07.
- the virtual straight line 16 passing through one circumferential end 5 4 A of the salient pole 60 and the center point O of the rotor 10 0, The ratio of the circumferential width t 1 of the groove 51 to the electrical angle C (salient pole) defined by the center line 11 and the groove 51 and the groove 51 and It can be seen that the formation of the salient pole portion 60 can reduce the motor noise 2 4th order component and 48th order component. Furthermore, in other words, the electrical angle formed between the circumferential end portion 5 4 A of the salient pole portion 60 and the center line 11 is set to 84 degrees, and the circumferential end portion 54 A is used as a reference position. It can be seen that the formation of the groove extending on the opposite side of the salient pole portion 60 of the rotor 100 can reduce the 2nd and 4th order components of the noise generated in the rotating electrical machine 1.
- the radial force 48 component is reduced when the circumferential width of the groove 51 is smaller than the electrical angle of 3.45 degrees.
- the circumferential width t 2 of the protrusion 52 is 5.1 degrees (electrical angle).
- the sum of the half width (t 2 Z 2) of the width t 2 of the protrusion 5 2 and the width t 1 of the groove 5 1 is 6 degrees in electrical angle. Therefore, as the width t 1 of the groove 51 becomes smaller, the width t 2 of the protrusion 52 becomes larger.
- the ratio of the width of the groove 51 to the half of the width t 2 of the protrusion 52 is 0.37 or more.
- the ratio of the width of the groove 51 to the half of the width t2 of the protrusion 52 is 0.
- the radial force 4 8th order component can be kept low.
- the width t 1 of the groove portion 51 A is preferably set to 0.46 degrees or more.
- the width t 2 of the protrusion 52 is 11.08 degrees (electrical angle).
- the ratio of the width of the groove 51 to the half of the width t 2 of the protrusion 52 is 0.37 or more and 6 or less.
- the radial force 4 8th-order component can be reduced by setting the width tl of the groove 51 to 2.0 degrees (electrical angle) or more and 3.45 degrees (electrical angle) or less. .
- the electrical angle of the circumferential width t 2 of the protrusion 52 is 5.1 degrees or more and 8.
- the horizontal axis shows the width of groove 51 in electrical angle
- the left vertical axis shows torque ripple.
- the torque ripple 48th order component can be reduced by making the width tl of the groove 51 smaller than 3.45 degrees in electrical angle. That is, by defining the protrusion 52 and the groove 51 so that the ratio of the width of the groove 51 to the half of the width t2 of the protrusion 52 is 0.37 or more, It can be seen that both the force 4 8th order component and the torque ripple 4 8th order component can be reduced. Furthermore, preferably, the width t 1 of the groove 51 is set to 2.3 degrees or more and 3.45 degrees or less in terms of electrical angle. It can be seen that by forming the groove 51 in this way, it is possible in particular to reduce the tonnecripple 4 8 7 fire component.
- the present invention is suitable for a rotating electrical machine.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008800187985A CN101682220B (zh) | 2007-06-13 | 2008-06-10 | 旋转电机 |
US12/664,332 US7960886B2 (en) | 2007-06-13 | 2008-06-10 | Rotating electric machine |
DE112008001567T DE112008001567T5 (de) | 2007-06-13 | 2008-06-10 | Rotierende elektrische Maschine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007156350A JP4900069B2 (ja) | 2007-06-13 | 2007-06-13 | 回転電機 |
JP2007-156350 | 2007-06-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008153171A1 true WO2008153171A1 (ja) | 2008-12-18 |
Family
ID=40129772
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/060935 WO2008153171A1 (ja) | 2007-06-13 | 2008-06-10 | 回転電機 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7960886B2 (ja) |
JP (1) | JP4900069B2 (ja) |
CN (1) | CN101682220B (ja) |
DE (1) | DE112008001567T5 (ja) |
WO (1) | WO2008153171A1 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011083114A (ja) * | 2009-10-07 | 2011-04-21 | Suzuki Motor Corp | 電動機 |
JP2012029405A (ja) * | 2010-07-21 | 2012-02-09 | Asmo Co Ltd | モータ |
JP5372296B2 (ja) * | 2011-05-16 | 2013-12-18 | 三菱電機株式会社 | 永久磁石型回転電機 |
US20170373550A1 (en) * | 2016-06-22 | 2017-12-28 | Honda Motor Co., Ltd. | Electric motor |
WO2019187205A1 (ja) * | 2018-03-30 | 2019-10-03 | 株式会社 東芝 | 回転電機 |
WO2022176829A1 (ja) * | 2021-02-16 | 2022-08-25 | トヨタ自動車株式会社 | ロータ |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5433198B2 (ja) | 2008-10-16 | 2014-03-05 | 日立オートモティブシステムズ株式会社 | 回転電機及び電気自動車 |
US8643239B2 (en) * | 2010-07-21 | 2014-02-04 | Asmo Co., Ltd. | Motor |
CN103026586B (zh) * | 2010-07-27 | 2015-11-25 | 日产自动车株式会社 | 电动机用转子 |
JP5418467B2 (ja) * | 2010-11-02 | 2014-02-19 | 株式会社安川電機 | 回転電機 |
JP5609844B2 (ja) * | 2011-05-11 | 2014-10-22 | 株式会社デンソー | 電動機 |
JP5857627B2 (ja) * | 2011-10-27 | 2016-02-10 | スズキ株式会社 | 電動回転機 |
US20150054380A1 (en) * | 2011-11-21 | 2015-02-26 | Honda Motor Co., Ltd. | Rotating electric machine |
US8933606B2 (en) | 2011-12-09 | 2015-01-13 | GM Global Technology Operations LLC | Interior permanent magnet machine with pole-to-pole asymmetry of rotor slot placement |
CN102570753B (zh) * | 2011-12-29 | 2015-01-28 | 中国科学院深圳先进技术研究院 | 一种永磁谐波电机 |
US10153671B2 (en) * | 2011-12-29 | 2018-12-11 | Philip Totaro | Permanent magnet rotor with intrusion |
DE102013219106B4 (de) | 2012-09-28 | 2020-08-06 | Suzuki Motor Corporation | Elektrische drehmaschine mit innenliegenden dauermagneten |
DE102013219067B4 (de) | 2012-09-28 | 2020-08-06 | Suzuki Motor Corporation | Elektrische drehmaschine mit innenliegenden dauermagneten |
JP5958305B2 (ja) * | 2012-11-29 | 2016-07-27 | スズキ株式会社 | Ipm型電動回転機 |
CN103762760B (zh) * | 2014-01-07 | 2016-07-06 | 广东美芝制冷设备有限公司 | 用于旋转式压缩机的电机及具有该电机的旋转式压缩机 |
SI24435A (sl) * | 2014-01-14 | 2015-01-30 | Letrika D.D. | Razdeljena reža rotorskega paketa z vogalnim zračnim žepkom |
CN103956872B (zh) * | 2014-04-25 | 2018-07-20 | 联合汽车电子有限公司 | 永磁同步电机及其转子 |
JP2016082696A (ja) * | 2014-10-16 | 2016-05-16 | アイシン精機株式会社 | 埋込磁石型モータおよび埋込磁石型モータのロータ |
CN106936284B (zh) * | 2015-12-29 | 2024-04-16 | 丹佛斯(天津)有限公司 | 电动机 |
JP2017131044A (ja) * | 2016-01-21 | 2017-07-27 | 富士電機株式会社 | 回転電機の制御装置 |
JP6826412B2 (ja) * | 2016-10-07 | 2021-02-03 | 東芝産業機器システム株式会社 | 同期リラクタンス型回転電機 |
CN109660039A (zh) * | 2018-12-21 | 2019-04-19 | 广州精传科技有限公司 | 低噪音永磁同步电机转子冲片 |
US11894726B2 (en) * | 2019-03-22 | 2024-02-06 | Mitsubishi Electric Corporation | Rotating electric machine |
DE102019206102A1 (de) | 2019-04-29 | 2020-10-29 | Robert Bosch Gmbh | Rotor einer elektrischen Maschine |
DE102019117364A1 (de) | 2019-06-27 | 2020-12-31 | Valeo Siemens Eautomotive Germany Gmbh | Rotor für eine elektrische Maschine, elektrische Maschine für ein Fahrzeug und Fahrzeug |
KR20210043079A (ko) * | 2019-10-11 | 2021-04-21 | 현대자동차주식회사 | 비대칭 회전자 코어를 갖는 모터 |
EP4184756A4 (en) * | 2021-01-29 | 2024-03-13 | Anhui Welling Auto Parts Co Ltd | ROTOR STAMPING SHEET, ROTOR IRON CORE, ROTOR, ELECTRIC MOTOR AND VEHICLE |
TWI801840B (zh) * | 2021-04-14 | 2023-05-11 | 東元電機股份有限公司 | 具有邊緣缺口之轉子結構 |
JP2023107070A (ja) * | 2022-01-21 | 2023-08-02 | 株式会社東芝 | 回転電機 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002165394A (ja) * | 2000-09-13 | 2002-06-07 | Sanyo Denki Co Ltd | 永久磁石内蔵型同期モータ |
JP2002305859A (ja) * | 2001-03-30 | 2002-10-18 | Aisin Aw Co Ltd | 永久磁石式同期電動機 |
JP2004072845A (ja) * | 2002-08-02 | 2004-03-04 | Aichi Elec Co | 永久磁石電動機 |
JP2004328956A (ja) * | 2003-04-28 | 2004-11-18 | Toyota Motor Corp | 電動機 |
JP2007097387A (ja) * | 2005-08-31 | 2007-04-12 | Toshiba Corp | 回転電機 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4797227B2 (ja) | 2000-06-14 | 2011-10-19 | ダイキン工業株式会社 | スイッチトリラクタンスモータ |
TW538578B (en) * | 2000-09-13 | 2003-06-21 | Sanyo Electric Co | Synchronous motor with built-in type permanent magnet |
JP2004088846A (ja) | 2002-08-23 | 2004-03-18 | Toshiba Corp | 永久磁石回転子 |
EP1450462B1 (en) * | 2003-02-18 | 2008-07-09 | Minebea Co., Ltd. | Rotor and stator for an electrical machine with reduced cogging torque |
JP4447278B2 (ja) | 2003-10-15 | 2010-04-07 | アイチエレック株式会社 | 永久磁石埋め込み型電動機 |
JP4311182B2 (ja) * | 2003-12-08 | 2009-08-12 | 日産自動車株式会社 | 回転電機の回転子 |
JP2005210826A (ja) | 2004-01-22 | 2005-08-04 | Fujitsu General Ltd | 電動機 |
JP2005354798A (ja) | 2004-06-10 | 2005-12-22 | Fujitsu General Ltd | 電動機 |
JP2006060915A (ja) | 2004-08-19 | 2006-03-02 | Toyota Industries Corp | 電動機の電機子 |
JP4898201B2 (ja) * | 2005-12-01 | 2012-03-14 | アイチエレック株式会社 | 永久磁石回転機 |
-
2007
- 2007-06-13 JP JP2007156350A patent/JP4900069B2/ja not_active Expired - Fee Related
-
2008
- 2008-06-10 US US12/664,332 patent/US7960886B2/en not_active Expired - Fee Related
- 2008-06-10 CN CN2008800187985A patent/CN101682220B/zh not_active Expired - Fee Related
- 2008-06-10 DE DE112008001567T patent/DE112008001567T5/de not_active Withdrawn
- 2008-06-10 WO PCT/JP2008/060935 patent/WO2008153171A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002165394A (ja) * | 2000-09-13 | 2002-06-07 | Sanyo Denki Co Ltd | 永久磁石内蔵型同期モータ |
JP2002305859A (ja) * | 2001-03-30 | 2002-10-18 | Aisin Aw Co Ltd | 永久磁石式同期電動機 |
JP2004072845A (ja) * | 2002-08-02 | 2004-03-04 | Aichi Elec Co | 永久磁石電動機 |
JP2004328956A (ja) * | 2003-04-28 | 2004-11-18 | Toyota Motor Corp | 電動機 |
JP2007097387A (ja) * | 2005-08-31 | 2007-04-12 | Toshiba Corp | 回転電機 |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011083114A (ja) * | 2009-10-07 | 2011-04-21 | Suzuki Motor Corp | 電動機 |
JP2012029405A (ja) * | 2010-07-21 | 2012-02-09 | Asmo Co Ltd | モータ |
JP5372296B2 (ja) * | 2011-05-16 | 2013-12-18 | 三菱電機株式会社 | 永久磁石型回転電機 |
US20170373550A1 (en) * | 2016-06-22 | 2017-12-28 | Honda Motor Co., Ltd. | Electric motor |
US10693330B2 (en) * | 2016-06-22 | 2020-06-23 | Honda Motor Co., Ltd. | Electric motor |
WO2019187205A1 (ja) * | 2018-03-30 | 2019-10-03 | 株式会社 東芝 | 回転電機 |
CN111466066A (zh) * | 2018-03-30 | 2020-07-28 | 株式会社东芝 | 旋转电机 |
JPWO2019187205A1 (ja) * | 2018-03-30 | 2020-10-22 | 株式会社東芝 | 回転電機 |
WO2022176829A1 (ja) * | 2021-02-16 | 2022-08-25 | トヨタ自動車株式会社 | ロータ |
Also Published As
Publication number | Publication date |
---|---|
CN101682220A (zh) | 2010-03-24 |
US7960886B2 (en) | 2011-06-14 |
JP4900069B2 (ja) | 2012-03-21 |
DE112008001567T5 (de) | 2010-08-19 |
JP2008312316A (ja) | 2008-12-25 |
CN101682220B (zh) | 2012-02-08 |
US20100181864A1 (en) | 2010-07-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2008153171A1 (ja) | 回転電機 | |
KR100878297B1 (ko) | 단순 구조를 갖는 모터 및 그의 제어장치 | |
US9735636B2 (en) | Rotor and dynamo-electric machine having the same | |
US20060279158A1 (en) | Permanent-magnet motor | |
KR101092321B1 (ko) | Lspm 동기모터의 로터 | |
JP2004304928A (ja) | ブラシレスモータ | |
US20110163641A1 (en) | Permanent-magnet synchronous motor | |
JP5665660B2 (ja) | 永久磁石式回転電機 | |
JP2008306849A (ja) | 回転電機 | |
JP2009540781A (ja) | 自動車用のオルタネータ | |
JP2006060952A (ja) | 永久磁石埋込み型電動機 | |
JP5248048B2 (ja) | 回転電機の回転子及び回転電機 | |
WO2008108478A1 (ja) | 電動機 | |
JP5298798B2 (ja) | モータ | |
JP5125623B2 (ja) | 回転電機の固定子及び回転電機 | |
JP5857837B2 (ja) | 永久磁石式回転電機 | |
CN111541315B (zh) | 旋转电机的定子 | |
JP2019047630A (ja) | 回転電機 | |
JP2006254621A (ja) | 永久磁石型電動機 | |
JP2002369422A (ja) | 永久磁石式回転電機 | |
JP7365956B2 (ja) | ブラシレスモータ及びブラシレスモータ制御方法 | |
CN218958633U (zh) | 用于电机的定子的定子冲片、定子和电机 | |
JP2006060951A (ja) | 電動機 | |
JP2007104863A (ja) | 外転型コンデンサ電動機の固定子 | |
US9692282B2 (en) | Method of fabricating electrical machine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 200880018798.5 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 08765628 Country of ref document: EP Kind code of ref document: A1 |
|
DPE2 | Request for preliminary examination filed before expiration of 19th month from priority date (pct application filed from 20040101) | ||
DPE2 | Request for preliminary examination filed before expiration of 19th month from priority date (pct application filed from 20040101) | ||
WWE | Wipo information: entry into national phase |
Ref document number: 12664332 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1120080015678 Country of ref document: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 08765628 Country of ref document: EP Kind code of ref document: A1 |
|
RET | De translation (de og part 6b) |
Ref document number: 112008001567 Country of ref document: DE Date of ref document: 20100819 Kind code of ref document: P |