WO2011101960A1 - 回転電機 - Google Patents
回転電機 Download PDFInfo
- Publication number
- WO2011101960A1 WO2011101960A1 PCT/JP2010/052340 JP2010052340W WO2011101960A1 WO 2011101960 A1 WO2011101960 A1 WO 2011101960A1 JP 2010052340 W JP2010052340 W JP 2010052340W WO 2011101960 A1 WO2011101960 A1 WO 2011101960A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- region
- outer cylinder
- cylinder ring
- casing
- skirt
- Prior art date
Links
Images
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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
- H02K1/185—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to outer stators
Definitions
- This invention relates to the structure of a rotating electrical machine.
- a motor or generator as a rotating electric machine mounted on a vehicle such as an automobile has a rotor and an annular stator that is annularly arranged around the rotor.
- a rotational force is obtained by energizing the stator
- a current is obtained by the rotation of the rotor.
- the stator has an annular stator core with stator windings.
- a plurality of split cores are annularly arranged, and a cylindrical outer cylinder ring is fastened to the outer peripheral surface.
- the stator and the motor case are usually positioned and centered by a positioning mechanism using pins or the like provided on the outer cylinder ring.
- a positioning mechanism using pins or the like provided on the outer cylinder ring.
- the outer cylinder ring is fastened to the annularly arranged split core, the outer cylinder ring is heated and cooled by shrink fitting and mold resin sealing. May be misaligned.
- FIG. 20 is a perspective view of the outer cylinder ring 120.
- the outer cylinder ring 120 has a cylindrical shape whose both ends are open, and a flange 122 that projects outward in the radial direction is provided on one end side of the outer cylinder ring 120.
- the flange 122 has a bolt hole 123h used when the outer cylinder ring 120 is fixed to the motor case side, and a positioning pin fitted to the positioning pin when the positioning pin is provided on the motor case side as a positioning mechanism.
- a wide region 123 provided with a hole 123p is provided.
- a positioning hole may be provided on the motor case side, and a positioning pin may be provided on the outer cylinder ring side.
- FIG. 21 is a schematic cross-sectional view showing a state in which the split core 110 is fixed by shrink fitting with the outer cylinder ring 120.
- a positioning mechanism such as a positioning hole 123p provided in the flange 122 of the outer cylinder ring 120 is finished as designed and the inner diameter ( ⁇ D) of the outer cylinder ring 120 is finished). (Not shown) is also finished to the dimensions as designed.
- FIG. 22 exaggerates the actual deformation amount in order to facilitate understanding of the deformation of the outer cylinder ring 120.
- the problem to be solved by the present invention is that, when a stator used in a rotating electrical machine is manufactured, when the outer cylinder ring is fastened to the stator core, a positional displacement in the radial direction occurs in the positioning mechanism provided on the stator side.
- An object of the present invention is to solve the above-described problems, and provides a rotating electrical machine having a structure capable of suppressing deformation of an outer cylinder ring when the outer cylinder ring is fastened to a stator core. It is in.
- a rotating electrical machine based on the present invention is a rotating electrical machine including a stator having an annular shape and a casing for fixing the stator, and has the following configuration.
- the stator includes a stator core and an outer cylinder ring that fastens an outer peripheral surface of the stator core.
- the outer cylinder ring includes a cylindrical body and one end of the body located on the inlet side of the casing. And a radially outward flange.
- the body portion fastens the outer peripheral surface of the stator core and is inscribed in the outer peripheral surface of the stator core, and a skirt region that is located on the bottom surface side of the casing and has an inner diameter different from the inner diameter of the fastening region.
- the skirt region has a region in contact with the inner surface of the casing.
- the skirt region has a region where the bottom end portion of the casing is located outside the inner diameter position of the fastening region.
- the skirt region has a region provided in parallel with the fastening region.
- the skirt region has a region in which a tip portion on a bottom surface side of the casing is located on an inner side of an inner diameter position of the fastening region, and the skirt region has an inner surface of the casing. It has a protruding region in contact with the region.
- the skirt region has a region provided in parallel with the fastening region.
- the skirt region has a tapered shape provided so as to be gradually reduced in diameter toward the inside.
- the skirt region has a region that does not contact the casing, and a fragile region is provided in this region.
- the rotating electrical machine based on the present invention, it is possible to provide a rotating electrical machine having a structure capable of suppressing deformation of the outer cylindrical ring when the outer cylindrical ring is fastened to the stator core.
- FIG. 3 is a diagram schematically showing an example of the structure of a drive unit having a rotating electrical machine in the first embodiment.
- FIG. 3 is a schematic perspective view showing a structure of a stator and a casing of the rotating electrical machine in the first embodiment.
- FIG. 3 is a perspective view showing a structure of an outer cylinder ring in the first embodiment.
- FIG. 4 is a cross-sectional view taken along line IV-IV in FIG. 3. It is a fragmentary sectional view which shows the state which fastened the outer cylinder ring in Embodiment 1 to the outer peripheral surface of the stator core.
- FIG. 3 is a partial cross-sectional view showing a state where the stator in the first embodiment is fixed in the casing.
- FIG. 6 is a partial perspective view showing a structure of an outer cylinder ring in a second embodiment.
- FIG. 8 is a cross-sectional view taken along line VIII in FIG. 7.
- FIG. 12 is a partial perspective view showing another form of the outer cylinder ring in the second embodiment.
- FIG. 10 is a partial cross-sectional view showing still another form of the outer cylinder ring in the second embodiment.
- FIG. 10 is a diagram showing a structure of an outer cylinder ring in a third embodiment, and is a diagram corresponding to a view taken along line XI-XI in FIG.
- FIG. 10 is a partial perspective view showing a structure of an outer cylinder ring in a fourth embodiment.
- FIG. 10 is a partial cross-sectional view showing still another form of the outer cylinder ring in the fourth embodiment.
- FIG. 10 is a partial perspective view showing a structure of an outer cylinder ring in a fifth embodiment. It is a fragmentary sectional view which shows the state which fastened the outer cylinder ring in Embodiment 5 to the outer peripheral surface of the stator core.
- FIG. 1 is a diagram schematically showing an example of the structure of a drive unit 1 having a rotating electrical machine according to an embodiment of the present invention.
- the drive unit 1 is a drive unit mounted on a hybrid vehicle, and includes a motor generator 100, a casing 200, a resolver 350, a speed reduction mechanism 300, a differential mechanism 400, and a drive shaft receiver.
- the unit 500 and the terminal block 600 are included.
- the motor generator 100 is a rotating electric machine that functions as an electric motor or a generator.
- the motor generator 100 is a rotating shaft 150 that is rotatably attached to the casing 200 via a bearing 160, a rotor 130 that is attached to the rotating shaft 150, and a stator 110. And have.
- the rotor 130 has a rotor core configured by laminating plate-like magnetic bodies such as iron or an iron alloy, and a permanent magnet embedded in the rotor core.
- the permanent magnets are arranged at substantially equal intervals in the vicinity of the outer periphery of the rotor core.
- the stator 110 includes a ring-shaped stator core 111, a stator coil 112 wound around the stator core 111, and a bus bar 113 connected to the stator coil 112.
- the bus bar 113 is connected to a PCU (Power Control Unit) 800 via a terminal block 600 provided in the casing 200 and a power supply cable 800A.
- PCU 800 is connected to battery 900 via power supply cable 900A. Thereby, battery 900 and stator coil 112 are electrically connected.
- the stator core 111 has a plurality of divided cores arranged in a ring shape, and each divided core is configured by laminating a plate-like magnetic body such as iron or an iron alloy.
- a plurality of teeth portions (not shown) and slot portions (not shown) as recesses formed between the teeth portions are formed on the inner peripheral surface of the stator core 111.
- the slot portion is provided so as to open to the inner peripheral side of the stator core 111.
- an outer cylinder ring (see FIG. 2) for fastening the split core is provided on the outer peripheral surface of the stator core 111.
- the stator coil 112 including the U phase, the V phase, and the W phase, which are three winding phases, is wound around the teeth portion so as to fit into the slot portion.
- the U phase, the V phase, and the W phase of the stator coil 112 are wound so as to deviate from each other on the circumference.
- Bus bar 113 includes a U phase, a V phase, and a W phase corresponding to the U phase, the V phase, and the W phase of stator coil 112, respectively.
- the feeding cable 800A is a three-phase cable including a U-phase cable, a V-phase cable, and a W-phase cable.
- U-phase, V-phase, and W-phase of bus bar 113 are connected to U-phase cable, V-phase cable, and W-phase cable in power supply cable 800A, respectively.
- the power output from the motor generator 100 is transmitted from the speed reduction mechanism 300 to the drive shaft receiving portion 500 via the differential mechanism 400.
- the driving force transmitted to the drive shaft receiving portion 500 is transmitted as a rotational force to wheels (not shown) via a drive shaft (not shown), thereby causing the vehicle to travel.
- Motor generator 100 is driven via drive shaft receiving portion 500, differential mechanism 400 and reduction mechanism 300 by the rotational force from the wheels. At this time, the motor generator 100 acts as a generator.
- the electric power generated by motor generator 100 is stored in battery 900 via an inverter in PCU 800.
- the resolver 350 includes a resolver rotor 360 and a resolver stator 370.
- Resolver rotor 360 is connected to rotating shaft 150 of motor generator 100.
- the resolver stator 370 includes a resolver stator core 371 and a resolver stator coil 372 wound around the core.
- the resolver 350 detects the rotation angle of the rotor 130 of the motor generator 100.
- the detected rotation angle is transmitted to the PCU 800 via the connector 10.
- PCU 800 generates a drive signal for driving motor generator 100 using the detected rotation angle of rotor 130 and a torque command value from an external ECU (Electrical Control Unit), and uses the generated drive signal as a motor. Output to the generator 100.
- ECU Electronic Control Unit
- FIGS. 2 is a schematic perspective view showing the structure of the stator 110 and the casing 200
- FIG. 3 is a perspective view showing the structure of the outer cylinder ring 120A
- FIG. 4 is a cross-sectional view taken along the line IV-IV in FIG. 5 is a partial cross-sectional view showing a state in which the outer cylinder ring 120A is fastened to the outer peripheral surface of the stator core 111.
- FIG. 6 is a partial cross-sectional view showing a state in which the stator 110 is fixed in the casing 200.
- the stator 110 is inserted from the inlet side 200 a side provided in the casing 200 toward the inlet side 200 a side, and is accurately positioned and fixed with respect to the casing 200.
- illustration of the rotor built in the stator 110 is omitted.
- the stator 110 is provided with a stator core 111 and an outer cylinder ring 120 ⁇ / b> A for fastening the outer peripheral surface of the stator core 111.
- an outer ring 120 ⁇ / b> A includes a cylindrical body 121, a flange 122 that is provided at one end of the body 121 located on the inlet side 200 a of the casing 200, and extends outward in the radial direction. have.
- the flange 122 is provided with wide regions 123 provided with bolt holes 123h used for fixing the outer cylinder ring 120A to the casing 200 side at a pitch of 120 degrees around the rotation center axis CL.
- body portion 121 is positioned in fastening region 121 a inscribed in the outer peripheral surface of stator core 111 to fasten the outer peripheral surface of stator core 111, and in bottom surface side 200 b of casing 200 (the side opposite to flange 122). And the skirt area
- At least the tip of the skirt region 121b is located outside the inner diameter position of the fastening region 121a.
- the skirt region 121b has a tapered skirt region 125a that gradually expands outward in the radial direction, and a cylindrical skirt region 125b that is provided in parallel with the fastening region 121a.
- the inner diameter ( ⁇ D2) of the cylindrical skirt region 125b is provided to be larger than the inner diameter ( ⁇ D1) of the fastening region 121a.
- stator core 111 when stator core 111 is fastened using outer cylinder ring 120 ⁇ / b> A having the above-described configuration, deformation of outer cylinder ring 120 ⁇ / b> A during fastening of outer cylinder ring 120 ⁇ / b> A to stator core 111 is suppressed. be able to.
- the skirt region 121b has a structure in which the diameter of the member of the outer cylinder ring 120A expands outward, so that the rigidity in the skirt region 121b is increased similarly to the flange 122.
- the outer cylinder ring 120A contracts during cooling of the outer cylinder ring 120A, so that a large internal pressure is applied from the stator core 111 to the inner surface of the outer cylinder ring 120A, but the skirt region 121b has high rigidity, so the skirt region The deformation of 121b can be suppressed.
- the outer surface of the cylindrical skirt region 125b of the outer cylindrical ring 120A is connected to the cylindrical portion 201 on the casing 200 side. It can be made to contact
- positioning between the stator 110 and the casing 200 can be performed using the cylindrical skirt region 125b, which eliminates the need for a positioning mechanism using a conventional pin or the like, and increases the manufacturing cost of the rotating electrical machine. Therefore, it is possible to provide a rotating electrical machine with high operational reliability.
- FIGS. 10A and 10B are partial cross-sectional views showing the structure of an outer cylinder ring 120D having still another embodiment.
- the outer cylinder ring 120B according to the second embodiment has a fastening region 121a and a skirt region 121b having the same outer shape as the outer cylinder ring 120A according to the first embodiment, and further includes a tapered skirt region 125a in the skirt region 121b. A plurality of openings 125h are provided.
- the tapered skirt region 125a becomes an easily deformable region.
- the stress generated when the outer cylinder ring 120B is fastened to the stator core 111 can be positively absorbed in the weak region, and the dimensional accuracy of the outer surface of the cylindrical skirt region 125b is further allowed. Can be within the range.
- a plurality of openings 125h are provided annularly in the tapered skirt region 125a.
- a plurality of openings 125h are provided annularly in the tapered skirt region 125a.
- the opening 125h is not provided as in the outer cylinder ring 120B and the outer cylinder ring 120C, but a groove 125g is provided as in the outer cylinder ring 120D shown in FIG. You may make it provide.
- the form of the groove 125g may be either a continuous annular form or a form in which a plurality of grooves are provided as shown in the opening 125h.
- FIG. 11 is a diagram showing the structure of the outer cylinder ring 120E, and corresponds to a view taken along the line XI-XI in FIG.
- the outer cylinder ring 120E in the third embodiment has a fastening area 121a having the same outer shape as the outer cylinder ring 120A in the first embodiment, and is divided into three portions instead of an annular form in which the skirt area 121b is continuous. It has a form.
- the width and interval of the skirt regions 121b are provided with a width of 60 degrees on the circumference.
- FIG. 12 is a partial perspective view showing the structure of the outer cylinder ring 120F
- FIG. 13 is a partial sectional view showing a state in which the outer cylinder ring 120F is fastened to the outer peripheral surface of the stator core 111
- FIG. 14 shows the stator 110 inside the casing 200.
- FIG. 15 is a partial sectional view showing an outer cylinder ring 120G of another form
- FIG. 16 is a partial sectional view showing an outer cylinder ring 120H of still another form.
- outer cylinder ring 120 ⁇ / b> F in the present embodiment includes cylindrical trunk 121 similar to outer cylinder ring 120 ⁇ / b> A shown in the first embodiment, and a trunk located on inlet side 200 a of casing 200. And a flange 122 which is provided at one end portion of 121 and faces outward in the radial direction.
- the illustration of the flange 122 is omitted, but the form is the same as the flange 122 shown in the first embodiment.
- body 121 is positioned at fastening region 121 a inscribed in the outer peripheral surface of stator core 111 to fasten the outer peripheral surface of stator core 111, and at bottom surface side 200 b of casing 200 (on the opposite side to flange 122). And the skirt area
- the tip of the skirt region 121b is located inside the inner diameter position of the fastening region 121a.
- the skirt region 121b includes a tapered skirt region 125c that gradually decreases inward in the radial direction, and a cylindrical skirt region 125d that is provided in parallel with the fastening region 121a.
- the inner diameter ( ⁇ D3) of the cylindrical skirt region 125d is provided to be smaller than the inner diameter ( ⁇ D1) of the fastening region 121a.
- the outer core ring 120F having the above configuration is used to fasten the stator core 111, deformation of the outer cylindrical ring 120F when the outer cylindrical ring 120F is fastened to the stator core 111 can be suppressed.
- the skirt region 121b has a structure in which the diameter of the member of the outer cylinder ring 120F is reduced inward, so that the rigidity in the skirt region 121b is increased similarly to the flange 122.
- the outer cylinder ring 120F contracts during cooling of the outer cylinder ring 120F, so that a large internal pressure is applied from the stator core 111 to the inner surface of the outer cylinder ring 120F, but the skirt region 121b has high rigidity, so the skirt region The deformation of 121b can be suppressed.
- the outer surface of the cylindrical skirt region 125d of the outer cylindrical ring 120F is connected to the cylindrical portion 201 on the casing 200 side. Can be brought into contact with the protruding region 201P provided on the inner surface of the substrate. As a result, the stator 110 can be accurately positioned with respect to the casing 200.
- the tapered skirt region 125c is provided with a plurality of openings 125h as weak regions. It is also possible to adopt a configuration (outer cylinder ring 120G shown in FIG. 15) and a configuration (outer cylinder ring 120H shown in FIG. 16) provided with a groove 125g.
- FIG. 17 is a partial perspective view showing the structure of the outer cylinder ring 120I
- FIG. 18 is a partial cross-sectional view showing a state in which the outer cylinder ring 120I is fastened to the outer peripheral surface of the stator core 111
- FIG. 19 shows the stator 110 fixed in the casing. It is a fragmentary sectional view which shows the state which carried out.
- outer cylinder ring 120 ⁇ / b> I in the present embodiment includes a cylindrical trunk 121 similar to outer cylinder ring 120 ⁇ / b> A shown in the first embodiment, and a trunk located on inlet side 200 a of casing 200. And a flange 122 which is provided at one end portion of 121 and faces outward in the radial direction.
- the illustration of the flange 122 is omitted, but the form is the same as the flange 122 shown in the first embodiment.
- body 121 is positioned in fastening region 121 a that is inscribed in the outer peripheral surface of stator core 111 in order to fasten the outer peripheral surface of stator core 111, and in bottom surface side 200 b of casing 200 (on the opposite side to flange 122). And the skirt area
- At least the tip of the skirt region 121b is located inside the inner diameter position of the fastening region 121a.
- the skirt region 121b has a tapered skirt region 125I that gradually decreases inward in the radial direction.
- the minimum inner diameter ( ⁇ D4) of the tapered skirt region 125I is provided to be smaller than the inner diameter ( ⁇ D1) of the fastening region 121a.
- the outer core ring 120I having the above configuration is used to fasten the stator core 111, deformation of the outer cylindrical ring 120I when the outer cylindrical ring 120I is fastened to the stator core 111 can be suppressed.
- the skirt region 121b has a structure in which the diameter of the member of the outer cylinder ring 120I is reduced inward, so that the rigidity in the skirt region 121b is increased similarly to the flange 122.
- the outer cylinder ring 120I contracts during cooling of the outer cylinder ring 120F, so that a large internal pressure is applied from the stator core 111 to the inner surface of the outer cylinder ring 120I.
- the skirt area 121b has high rigidity, the skirt area The deformation of 121b can be suppressed.
- the outer surface of the tapered skirt region 125I is a cylinder on the casing 200 side. It can be brought into contact with the protruding region 201P provided on the inner surface of the part 201. As a result, the stator 110 can be accurately positioned with respect to the casing 200.
- the outer surface of the tapered skirt region 125I that contacts the protruding region 201P is conical, so that the stator 110 can be easily centered.
- positioning between the stator 110 and the casing 200 can be performed using the tapered skirt region 125I, which eliminates the need for a positioning mechanism using a conventional pin or the like, and reduces the manufacturing cost of the rotating electrical machine. It is possible to provide a rotating electrical machine with high operational reliability without causing an increase.
- 1 drive unit 100 motor generator (rotary electric machine), 110 stator, 111 stator core, 112 stator coil, 113 bus bar, 120A, 120B, 120C, 120D, 120E, 120F, 120G, 120H, 120I outer cylinder ring, 121 barrel, 121a fastening region, 121b skirt region, 122 flange, 123 wide region, 123h bolt hole, 125a, 125c, 125I tapered skirt region, 125b, 125d cylindrical skirt region, 125g groove, 125h opening, 130 rotor, 150 rotating shaft, 160 bearing, 200 casing, 200a inlet side, 200b bottom side, 300 speed reduction mechanism, 350 resolver, 370 resolver stator, 371 resolver station Stator core, 372 resolver stator coil, 400 differential mechanism, 500 a drive shaft receiving portion, 600 terminal block, 800 PCU (Power Control Unit), 800A power supply cable, 900 battery, 900A power supply cable, CL rotation center axis.
- 800 PCU Power Control Unit
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Motor Or Generator Frames (AREA)
Abstract
Description
図1は、本発明の1つの実施の形態における回転電機を有する駆動ユニット1の構造の一例を概略的に示す図である。図1に示される例では、駆動ユニット1は、ハイブリッド車両に搭載される駆動ユニットであり、モータジェネレータ100と、ケーシング200と、レゾルバ350と、減速機構300と、ディファレンシャル機構400と、ドライブシャフト受け部500と、端子台600とを含んで構成される。
次に、図2から図6を参照して、本実施の形態おける外筒リング120Aの構造について説明する。なお、図2はステータ110とケーシング200との構造を示す概略斜視図、図3は外筒リング120Aの構造を示す斜視図、図4は図3中のIV-IV線矢視断面図、図5は外筒リング120Aをステータコア111の外周面に締結した状態を示す部分断面図、図6はステータ110をケーシング200内に固定した状態を示す部分断面図である。
以上、本実施の形態によれば、ステータコア111に外筒リング120Aを締結する際、外筒リング120Aのスカート領域121bの変形を抑制することが可能となる。その結果、外筒リング120Aをステータコア111に焼嵌めによる締結した後であっても、外筒リング120Aに設けられる円筒スカート領域125bの外面の寸法精度を許容範囲内に収めることができる。
次に、図7から図10を参照して、外筒リングの他の形態について説明する。その他、モータジェネレータ100に関する構成、ステータコア111の構成は、上記実施の形態1と同じであるため、ここでの説明は繰り返さない。なお、図7は、外筒リング120Bの構造を示す部分斜視図、図8は図7中のVIII線矢視断面図、図9は他の形態を有する外筒リング120Cの構造を示す部分斜視図、図10は、さらに他の形態を有する外筒リング120Dの構造を示す部分断面図である。
以上、本実施の形態によれば、実施の形態1の外筒リング120Aと同様の作用効果を得ることができる。また、テーパ状スカート領域125aに積極的に脆弱領域を設けることで、ステータコア111に外筒リング120Bを締結する際に生じる応力を積極的にこの脆弱領域で吸収させることが可能となり、円筒スカート領域125bの外面の寸法精度をより許容範囲内に収めることができる。
次に、図11を参照して、外筒リングの他の形態について説明する。その他、モータジェネレータ100に関する構成、ステータコア111の構成は、上記実施の形態1と同じであるため、ここでの説明は繰り返さない。なお、図11は、外筒リング120Eの構造を示す図であり、図3中のXI-XI線矢視図に相当する図である。
以上、本実施の形態によれば、実施の形態1の外筒リング120Aと同様の作用効果を得ることができる。また、回転電機の大きさは、求められる容量によって様々である。その結果、外筒リングの形状、部材厚さも種々の最適材料の中から選択される。したがって、スカート領域121bを、複数に分割させることで、スカート領域121bの剛性を調節することができる。なお、本実施の形態においても、実施の形態2で示したように、テーパ状スカート領域に積極的に脆弱領域を設けることも可能である。
次に、図12から図16を参照して、外筒リングの他の形態について説明する。その他、モータジェネレータ100に関する構成、ステータコア111の構成は、上記実施の形態1と同じであるため、ここでの説明は繰り返さない。なお、図12は、外筒リング120Fの構造を示す部分斜視図、図13は外筒リング120Fをステータコア111の外周面に締結した状態を示す部分断面図、図14はステータ110をケーシング200内に固定した状態を示す部分断面図、図15は他の形態の外筒リング120Gを示す部分断面図、図16はさらに他の形態の外筒リング120Hを示す部分断面図である。
以上、本実施の形態によれば、ステータコア111に外筒リング120Fを締結する際、外筒リング120Fのスカート領域121bの変形を抑制することが可能となる。その結果、外筒リング120Fをステータコア111に焼嵌めによる締結した後であっても、外筒リング120Fに設けられる円筒スカート領域125dの外面の寸法精度を許容範囲内に収めることができる。
次に、図17から図19を参照して、外筒リングの他の形態について説明する。その他、モータジェネレータ100に関する構成、ステータコア111の構成は、上記実施の形態1と同じであるため、ここでの説明は繰り返さない。なお、図17は外筒リング120Iの構造を示す部分斜視図、図18は外筒リング120Iをステータコア111の外周面に締結した状態を示す部分断面図、図19はステータ110をケーシング内に固定した状態を示す部分断面図である。
以上、本実施の形態によれば、ステータコア111に外筒リング120Iを締結する際、外筒リング120Iのスカート領域121bの変形を抑制することが可能となる。その結果、外筒リング120Iをステータコア111に焼嵌めによる締結した後であっても、外筒リング120Iに設けられるテーパ状スカート領域125Iの外面の寸法精度を許容範囲内に収めることができる。
Claims (7)
- 環状形態を有するステータ(110)と、前記ステータ(110)を固定するケーシング(200)とを備える、回転電機であって、
前記ステータ(110)は、
ステータコア(111)と、
前記ステータコア(111)の外周面を締結する外筒リング(120A,120B,120C,120D,120E,120F,120G)と、を含み、
前記外筒リング(120A,120B,120C,120D,120E,120F,120G,120H,120I)は、
円筒状の胴部(121)と、
前記ケーシング(200)の入口側(200a)に位置する前記胴部(121)の一方端部に設けられる、半径方向外方に向かうフランジ(122)と、を有し、
前記胴部(121)は、前記ステータコア(111)の外周面を締結するために、前記ステータコア(111)の外周面に内接する締結領域(121a)と、
前記ケーシング(200)の底面側(200b)に位置し、前記締結領域(121a)の内径(φD1)とは異なる内径(φD2)に設けられるスカート領域(121b)と、が設けられ、
前記スカート領域(121b)は、前記ケーシング(200)の内面に接する領域を有する、回転電機。 - 前記スカート領域(121b)は、前記ケーシング(200)の底面側(200b)の先端部が、前記締結領域(121a)の内径(φD1)位置よりも外側に位置している領域を有する、請求の範囲第1項に記載の回転電機。
- 前記スカート領域(121b)は、前記締結領域(121a)と並行に設けられる領域(125b)を有する、請求の範囲第2項に記載の回転電機。
- 前記スカート領域(121b)は、前記ケーシング(200)の底面側(200b)の先端部が、前記締結領域(121a)の内径(φD1)位置よりも内側に位置している領域を有し、
前記ケーシング(200)の内面には、前記スカート領域(121b)に接する突出領域(201P)を有する、請求の範囲第2項に記載の回転電機。 - 前記スカート領域(121b)は、前記締結領域(121a)と並行に設けられる領域(125d)を有する、請求の範囲第4項に記載の回転電機。
- 前記スカート領域(121b)は、徐々に内側に向かって縮径するように設けられるテーパ形状(125I)を有する、請求の範囲第4項に記載の回転電機。
- 前記スカート領域(121b)は、前記ケーシング(200)と接しない領域(125a,125c)を有し、この領域に脆弱領域(125h,125g)が設けられる、請求の範囲第1項から第6項のいずれかに記載の回転電機。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2010/052340 WO2011101960A1 (ja) | 2010-02-17 | 2010-02-17 | 回転電機 |
CN201080063828.1A CN102771034B (zh) | 2010-02-17 | 2010-02-17 | 旋转电机 |
EP10846099.9A EP2538524A4 (en) | 2010-02-17 | 2010-02-17 | Rotating electric machine |
US13/579,488 US8928200B2 (en) | 2010-02-17 | 2010-02-17 | Rotating electric machine |
JP2012500417A JP5370578B2 (ja) | 2010-02-17 | 2010-02-17 | 回転電機 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2010/052340 WO2011101960A1 (ja) | 2010-02-17 | 2010-02-17 | 回転電機 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011101960A1 true WO2011101960A1 (ja) | 2011-08-25 |
Family
ID=44482581
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2010/052340 WO2011101960A1 (ja) | 2010-02-17 | 2010-02-17 | 回転電機 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8928200B2 (ja) |
EP (1) | EP2538524A4 (ja) |
JP (1) | JP5370578B2 (ja) |
CN (1) | CN102771034B (ja) |
WO (1) | WO2011101960A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120299436A1 (en) * | 2011-05-23 | 2012-11-29 | Aisin Seiki Kabushiki Kaisha | Stator for rotating electrical device and stator retaining ring |
US9525314B2 (en) | 2013-01-17 | 2016-12-20 | Mitsubishi Electric Corporation | Rotary electric machine |
US10749402B2 (en) | 2012-05-02 | 2020-08-18 | Mitsubishi Electric Corporation | Rotary electric machine |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20140022505A (ko) * | 2012-08-13 | 2014-02-25 | 삼성전기주식회사 | 모터 하우징 |
JP6127794B2 (ja) * | 2013-07-18 | 2017-05-17 | 株式会社デンソー | 回転電機の固定子 |
FR3034694B1 (fr) * | 2015-04-08 | 2017-09-15 | Jtekt Europe Sas | Utilisation d’une bague de frettage etagee pour assembler un moteur d’assistance de direction dans un carter de direction |
WO2016174711A1 (ja) * | 2015-04-27 | 2016-11-03 | 三菱電機株式会社 | 回転電機 |
US20180358855A1 (en) * | 2017-06-07 | 2018-12-13 | Hsia-Yuan Hsu | Permanent magnet motor with external rotor |
JP2020043734A (ja) * | 2018-09-13 | 2020-03-19 | 本田技研工業株式会社 | 回転電機用ステータコアおよび回転電機 |
CN113113984B (zh) * | 2020-01-13 | 2022-03-22 | 安徽美芝制冷设备有限公司 | 电机、压缩机和制冷设备 |
US11245318B1 (en) * | 2020-07-29 | 2022-02-08 | Schaeffler Technologies AG & Co. KG | Resolver clamping plate for electric motor |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005312151A (ja) | 2004-04-20 | 2005-11-04 | Honda Motor Co Ltd | ステータ |
JP2009060760A (ja) * | 2007-09-03 | 2009-03-19 | Jtekt Corp | 電動モータ |
JP2009142031A (ja) * | 2007-12-05 | 2009-06-25 | Aisin Seiki Co Ltd | 回転電機用ステータ |
JP2009195082A (ja) * | 2008-02-18 | 2009-08-27 | Toyota Motor Corp | ステータの冷却構造 |
JP2010022171A (ja) * | 2008-07-14 | 2010-01-28 | Toyota Motor Corp | 回転電機 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4517479A (en) * | 1983-11-07 | 1985-05-14 | Sundstrand Corporation | Generator armature cooling and air gap sealing system |
JP3443248B2 (ja) * | 1996-07-30 | 2003-09-02 | 株式会社荏原製作所 | 水冷キャンドモータ |
DE19705974A1 (de) * | 1997-02-17 | 1998-08-20 | Wilo Gmbh | Elektromotor für eine Pumpe oder einen Lüfter |
JP4283711B2 (ja) * | 2004-03-11 | 2009-06-24 | アスモ株式会社 | モータヨークの製造方法 |
DE102004022557B4 (de) * | 2004-05-07 | 2021-07-22 | Siemens Aktiengesellschaft | Elektrische Maschine mit Wasserkühlung |
JP2007129835A (ja) * | 2005-11-04 | 2007-05-24 | Aisin Seiki Co Ltd | モータ |
CN102396136B (zh) | 2009-04-15 | 2014-06-18 | 丰田自动车株式会社 | 定子及其制造方法 |
-
2010
- 2010-02-17 WO PCT/JP2010/052340 patent/WO2011101960A1/ja active Application Filing
- 2010-02-17 US US13/579,488 patent/US8928200B2/en not_active Expired - Fee Related
- 2010-02-17 JP JP2012500417A patent/JP5370578B2/ja not_active Expired - Fee Related
- 2010-02-17 EP EP10846099.9A patent/EP2538524A4/en not_active Withdrawn
- 2010-02-17 CN CN201080063828.1A patent/CN102771034B/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005312151A (ja) | 2004-04-20 | 2005-11-04 | Honda Motor Co Ltd | ステータ |
JP2009060760A (ja) * | 2007-09-03 | 2009-03-19 | Jtekt Corp | 電動モータ |
JP2009142031A (ja) * | 2007-12-05 | 2009-06-25 | Aisin Seiki Co Ltd | 回転電機用ステータ |
JP2009195082A (ja) * | 2008-02-18 | 2009-08-27 | Toyota Motor Corp | ステータの冷却構造 |
JP2010022171A (ja) * | 2008-07-14 | 2010-01-28 | Toyota Motor Corp | 回転電機 |
Non-Patent Citations (1)
Title |
---|
See also references of EP2538524A4 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120299436A1 (en) * | 2011-05-23 | 2012-11-29 | Aisin Seiki Kabushiki Kaisha | Stator for rotating electrical device and stator retaining ring |
JP2012244834A (ja) * | 2011-05-23 | 2012-12-10 | Aisin Seiki Co Ltd | 回転電機のステータおよびステータの保持リング |
US9024502B2 (en) * | 2011-05-23 | 2015-05-05 | Aisin Seiki Kabushiki Kaisha | Stator for rotating electrical device and stator retaining ring |
US10749402B2 (en) | 2012-05-02 | 2020-08-18 | Mitsubishi Electric Corporation | Rotary electric machine |
US9525314B2 (en) | 2013-01-17 | 2016-12-20 | Mitsubishi Electric Corporation | Rotary electric machine |
Also Published As
Publication number | Publication date |
---|---|
JPWO2011101960A1 (ja) | 2013-06-17 |
EP2538524A4 (en) | 2018-03-28 |
CN102771034A (zh) | 2012-11-07 |
JP5370578B2 (ja) | 2013-12-18 |
CN102771034B (zh) | 2015-03-25 |
US8928200B2 (en) | 2015-01-06 |
EP2538524A1 (en) | 2012-12-26 |
US20120306312A1 (en) | 2012-12-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5370578B2 (ja) | 回転電機 | |
US10186916B2 (en) | Rotary machine and electric vehicle | |
US7948133B2 (en) | Rotor and rotating electric machine with the rotor | |
JP4743167B2 (ja) | 回転電機用端末モジュールおよび回転電機 | |
KR20140004154A (ko) | 로터 유닛, 회전형 전기 기기 및 로터 유닛의 제조 방법 | |
JP5105169B2 (ja) | レゾルバ、モータ、パワーステアリング装置およびレゾルバの製造方法 | |
JP5004110B2 (ja) | アウターロータ型突極集中巻き電動機 | |
JP6208365B2 (ja) | ステータ及び回転機 | |
WO2014192558A1 (ja) | 回転機 | |
JP5962027B2 (ja) | 回転電機 | |
JP4714077B2 (ja) | ロータシャフト | |
US9882456B2 (en) | Magnet wheel | |
JP5814206B2 (ja) | ステータコア | |
US20150015110A1 (en) | Electric Rotating Machine | |
JP5387604B2 (ja) | 回転電機用端末モジュールおよび回転電機 | |
JP5359225B2 (ja) | 電動機、産業機械用モータ及び電気自動車用ホイールモータ | |
JP2011160550A (ja) | 電動モータ、電動車輌及び電動モータの製造方法 | |
JP2008278678A (ja) | 回転電機 | |
JP4962280B2 (ja) | 回転電機 | |
US20160126789A1 (en) | Permanent magnet motor | |
JP6369096B2 (ja) | 回転機 | |
JP2011155738A (ja) | ステータ | |
JP5918392B2 (ja) | 回転機及びステータの製造方法 | |
JP5607591B2 (ja) | ステータ用外筒、ステータ、及びステータの製造方法 | |
JPS63171150A (ja) | ブラシレス直流モ−タ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 201080063828.1 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 10846099 Country of ref document: EP Kind code of ref document: A1 |
|
DPE1 | Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101) | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2012500417 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2010846099 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 13579488 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |