JPWO2022244113A5 - - Google Patents
Download PDFInfo
- Publication number
- JPWO2022244113A5 JPWO2022244113A5 JP2023522054A JP2023522054A JPWO2022244113A5 JP WO2022244113 A5 JPWO2022244113 A5 JP WO2022244113A5 JP 2023522054 A JP2023522054 A JP 2023522054A JP 2023522054 A JP2023522054 A JP 2023522054A JP WO2022244113 A5 JPWO2022244113 A5 JP WO2022244113A5
- Authority
- JP
- Japan
- Prior art keywords
- magnetic pole
- rotor
- region
- core
- electric motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000037431 insertion Effects 0.000 claims 6
- 238000003780 insertion Methods 0.000 claims 6
- 230000002093 peripheral effect Effects 0.000 claims 4
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000005057 refrigeration Methods 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
Claims (13)
前記軸線を中心とする径方向の外側から前記回転子を囲む固定子と
を有し、
前記第１の磁極部と前記第２の磁極部とは、前記軸線を含む平面に対して互いに反対側に位置し、且つ前記固定子に対向し、
前記回転子は、前記軸線の方向に第１の領域と第２の領域とを有し、
前記第１の領域では、前記第１の磁極部の外周が他の磁極部の外周よりも前記径方向の外側に位置し、
前記第２の領域では、前記第２の磁極部の外周が他の磁極部の外周よりも前記径方向の外側に位置する
電動機。 a rotor having a plurality of magnetic pole parts including a first magnetic pole part and a second magnetic pole part in a circumferential direction around an axis;
a stator surrounding the rotor from the outside in a radial direction centered on the axis;
The first magnetic pole part and the second magnetic pole part are located on opposite sides of a plane including the axis, and face the stator,
The rotor has a first region and a second region in the direction of the axis,
In the first region, the outer periphery of the first magnetic pole portion is located outside the outer periphery of the other magnetic pole portions in the radial direction,
In the second region, the outer periphery of the second magnetic pole portion is located on the outer side in the radial direction than the outer periphery of the other magnetic pole portions.
前記軸線を中心とする径方向の外側から前記回転子を囲む固定子と
を有し、
前記第１の磁極部と前記第２の磁極部とは、前記軸線を含む平面に対して互いに反対側に位置し、且つ前記固定子に対向し、
前記回転子は、前記軸線の方向に第１の領域と第２の領域とを有し、
前記第１の領域では、前記第２の磁極部の外周が他の磁極部の外周よりも前記径方向の内側に位置し、
前記第２の領域では、前記第１の磁極部の外周が他の磁極部の外周よりも前記径方向の内側に位置する
電動機。 a rotor having a plurality of magnetic pole parts including a first magnetic pole part and a second magnetic pole part in a circumferential direction around an axis;
a stator surrounding the rotor from the outside in a radial direction centered on the axis;
The first magnetic pole part and the second magnetic pole part are located on opposite sides of a plane including the axis, and face the stator,
The rotor has a first region and a second region in the direction of the axis,
In the first region, the outer periphery of the second magnetic pole portion is located inside the outer periphery of the other magnetic pole portions in the radial direction,
In the second region, the outer periphery of the first magnetic pole portion is located inside the outer periphery of the other magnetic pole portions in the radial direction.
前記第１の磁極部は、前記回転子コアの前記第１の磁石挿入孔よりも前記径方向の外側に位置する第１のコア部であり、
前記第２の磁極部は、前記回転子コアの前記第２の磁石挿入孔よりも前記径方向の外側に位置する第２のコア部である
請求項１または２に記載の電動機。 The rotor includes a rotor core having a first magnet insertion hole and a second magnet insertion hole, a first permanent magnet inserted into the first magnet insertion hole, and a second magnet insertion hole. a second permanent magnet inserted into the
The first magnetic pole part is a first core part located outside the first magnet insertion hole of the rotor core in the radial direction,
The electric motor according to claim 1 or 2, wherein the second magnetic pole part is a second core part located outside the second magnet insertion hole of the rotor core in the radial direction.
前記第２の領域では、前記第１のコア部に１以上のスリットが形成され、前記第２のコア部に前記第１のコア部の前記スリットよりも総面積が小さい０または１以上のスリットが形成されている
請求項３に記載の電動機。 In the first region, zero or one or more slits are formed in the first core part, and one or more slits having a total area larger than the slits in the first core part are formed in the second core part. is formed,
In the second region, one or more slits are formed in the first core part, and zero or one or more slits having a total area smaller than the slits in the first core part are formed in the second core part. The electric motor according to claim 3, wherein: is formed.
前記第１の磁極部は、前記第１の永久磁石であり、
前記第２の磁極部は、前記第２の永久磁石である
請求項１または２に記載の電動機。 The rotor has a rotor core, and a first permanent magnet and a second permanent magnet fixed to the outer periphery of the rotor core,
The first magnetic pole part is the first permanent magnet,
The electric motor according to claim 1 or 2, wherein the second magnetic pole part is the second permanent magnet.
前記第１の領域および前記第２の領域のいずれにおいても、前記回転子コアの前記第１の外周部分の前記径方向の位置と、前記第２の外周部分の前記径方向の位置とが異なる
請求項５に記載の電動機。 The rotor core has a first outer peripheral portion to which the first permanent magnet is fixed, and a second outer peripheral portion to which the second permanent magnet is fixed,
In both the first region and the second region, the radial position of the first outer peripheral portion of the rotor core is different from the radial position of the second outer peripheral portion. The electric motor according to claim 5.
請求項１から６までの何れか１項に記載の電動機。 The electric motor according to any one of claims 1 to 6, wherein the stator includes a stator core and a coil wound around the stator core in a distributed winding manner.
前記Ｎ個のコイル部分は、直列に接続されている
請求項７に記載の電動機。 The coil has N coil parts of the same phase,
The electric motor according to claim 7, wherein the N coil portions are connected in series.
前記３相のコイルは、Ｙ結線またはデルタ結線で接続されている
請求項７または８に記載の電動機。 The coil is a three-phase coil,
The electric motor according to claim 7 or 8, wherein the three-phase coils are connected in a Y connection or a delta connection.
請求項１から９までの何れか１項に記載の電動機。 The electric motor according to any one of claims 1 to 9, wherein the rotor has a balance weight part that generates centrifugal force in a direction perpendicular to the plane.
前記第１の磁極部と前記軸線の方向に重なり合う位置に第１のバランスウエイト部を有し、 a first balance weight portion at a position overlapping the first magnetic pole portion in the direction of the axis;
前記第２の磁極部と前記軸線の方向に重なり合う位置に第２のバランスウエイト部を有する A second balance weight portion is provided at a position overlapping the second magnetic pole portion in the direction of the axis.
請求項１０に記載の電動機。 The electric motor according to claim 10.
前記電動機によって駆動される圧縮機構部と
を備えた圧縮機。 The electric motor according to any one of claims 1 to 11 ;
A compressor comprising: a compression mechanism section driven by the electric motor.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2021/018841 WO2022244113A1 (en) | 2021-05-18 | 2021-05-18 | Electric motor, compressor, and refrigeration circuit device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2022244113A1 JPWO2022244113A1 (en) | 2022-11-24 |
| JPWO2022244113A5 true JPWO2022244113A5 (en) | 2023-12-05 |
Family
ID=84141448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023522054A Pending JPWO2022244113A1 (en) | 2021-05-18 | 2021-05-18 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPWO2022244113A1 (en) |
| WO (1) | WO2022244113A1 (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4712059B2 (en) * | 2008-03-12 | 2011-06-29 | 三菱電機株式会社 | Synchronous motor rotor and compressor |
| FI20090417A (en) * | 2009-11-10 | 2011-05-11 | Abb Oy | With permanent magnets synchronized synchronous machine and method of manufacture and assembly thereof |
| JP5904416B2 (en) * | 2013-10-21 | 2016-04-13 | 株式会社安川電機 | Rotating electric machine |
| WO2019189313A1 (en) * | 2018-03-30 | 2019-10-03 | 日本電産株式会社 | Rotor, motor, and electric power steering device |
-
2021
- 2021-05-18 WO PCT/JP2021/018841 patent/WO2022244113A1/en active Application Filing
- 2021-05-18 JP JP2023522054A patent/JPWO2022244113A1/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9188115B2 (en) | Electric motor for a motor-driven compressor and said motor-driven compressor | |
| US20120131945A1 (en) | Self-Starting Type Axial Gap Synchronous Motor, Compressor and Refrigeration Cycle Apparatus Using the Same | |
| WO2017175330A1 (en) | Electric motor, air blower, compressor, and air conditioning device | |
| GB2555354A (en) | Permanent Magnet-Embedded Motor, Compressor, and Refrigerating and Air Conditioning Apparatus | |
| JP2015122936A (en) | Magnet embedded-type motor and method for using magnet embedded-type motor | |
| US6552461B2 (en) | Permanent magnet type rotating electric machine | |
| JP6545393B2 (en) | Conscious pole rotor, motor and air conditioner | |
| JP2015208164A (en) | electric compressor | |
| US20220166270A1 (en) | Motor, compressor, and air conditioner | |
| JP2001251825A (en) | Permanent magnet synchronous motor and air conditioner using the same | |
| KR102237601B1 (en) | Internal permanent magnet motor and compressor with internal permanent magnet motor | |
| JP2016116391A (en) | Motor for compressor, and compressor comprising the same | |
| JP2002223538A (en) | Rotor for motor | |
| JP6081315B2 (en) | Permanent magnet type electric motor, compressor using the same, and refrigeration cycle apparatus | |
| JP7086212B2 (en) | Manufacturing method of stator, motor, compressor, air conditioner and stator | |
| JPWO2022244113A5 (en) | ||
| WO2021251442A1 (en) | Electric motor | |
| JP5446482B2 (en) | Stator for adder motor | |
| JP2006353100A (en) | Air conditioner | |
| JPWO2021260882A5 (en) | ||
| JPWO2021199419A5 (en) | ||
| JPWO2023032134A5 (en) | ||
| KR20120041780A (en) | Air-core coil winding for hvac blower | |
| JPWO2022180717A5 (en) | ||
| JPWO2022144967A5 (en) |