JP7031619B2 - 回転電機 - Google Patents
回転電機 Download PDFInfo
- Publication number
- JP7031619B2 JP7031619B2 JP2019009529A JP2019009529A JP7031619B2 JP 7031619 B2 JP7031619 B2 JP 7031619B2 JP 2019009529 A JP2019009529 A JP 2019009529A JP 2019009529 A JP2019009529 A JP 2019009529A JP 7031619 B2 JP7031619 B2 JP 7031619B2
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- flow path
- teeth
- yoke
- rotor core
- 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.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
-
- 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
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- 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
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
-
- 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]
-
- 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
- H02K21/16—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having annular armature cores with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
- H02K9/197—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Motor Or Generator Cooling System (AREA)
Description
Claims (3)
- 回転軸線を規定するロータシャフトであって、当該ロータシャフトの外周面に開口し冷却液が送られるシャフト内流路が形成されたロータシャフトと、
前記ロータシャフトが中心を貫通しているロータコアであって、内側端が前記シャフト内流路の開口に対向し、外側端が当該ロータコアの外周面に開口したロータコア内流路が形成されたロータコアと、
円環または円筒形状のヨークと前記ヨークの内周面に間隔を空けて周方向に配列されたティースとを有し、前記ロータコアの外周を囲むように配置されたステータコアであって、前記ティースが前記ロータコア内流路の前記外側端に対応する位置において隙間を空けて分割されている、ステータコアと、
を備え、
前記回転軸線に沿う方向において、前記ティースの分割された部分の間の前記隙間の内周側の寸法が、前記ロータコア内流路の、前記ロータコアの外周面の開口の寸法よりも大きく、
前記ティースの分割された部分の間の前記隙間は、前記回転軸線に直交する断面の形状が、前記ティースの断面形状と同一であり、かつ前記回転軸線に沿う方向において一定である空間として形成され、周囲を前記ヨークに囲まれている、
回転電機。 - 請求項1に記載の回転電機であって、前記ヨークには、内側端が前記ティースの分割された部分の間の前記隙間に対して開口し、外側端が前記ヨークの外周面に開口したヨーク内流路が形成されている、回転電機。
- 請求項1または2に記載の回転電機であって、前記ティースは、回転軸線に沿う方向において中央部で分割されている、回転電機。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019009529A JP7031619B2 (ja) | 2019-01-23 | 2019-01-23 | 回転電機 |
CN201911179217.2A CN111478519B (zh) | 2019-01-23 | 2019-11-27 | 旋转电机 |
US16/706,973 US11387697B2 (en) | 2019-01-23 | 2019-12-09 | Rotary electric machine |
DE102020200626.1A DE102020200626A1 (de) | 2019-01-23 | 2020-01-21 | Elektrische rotationsmaschine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019009529A JP7031619B2 (ja) | 2019-01-23 | 2019-01-23 | 回転電機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020120491A JP2020120491A (ja) | 2020-08-06 |
JP7031619B2 true JP7031619B2 (ja) | 2022-03-08 |
Family
ID=71402559
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019009529A Active JP7031619B2 (ja) | 2019-01-23 | 2019-01-23 | 回転電機 |
Country Status (4)
Country | Link |
---|---|
US (1) | US11387697B2 (ja) |
JP (1) | JP7031619B2 (ja) |
CN (1) | CN111478519B (ja) |
DE (1) | DE102020200626A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112564356A (zh) * | 2020-10-28 | 2021-03-26 | 西安交通大学 | 一种电机具有冷却通道的电动涡旋压缩机 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070194638A1 (en) | 2006-02-21 | 2007-08-23 | Honeywell International, Inc. | High power generator with enhanced heat removal |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1316790A (en) * | 1919-09-23 | m ax-gbitjbeb | ||
JPS56149561U (ja) * | 1980-04-09 | 1981-11-10 | ||
JPH0161841U (ja) * | 1987-10-14 | 1989-04-20 | ||
JP2004312898A (ja) | 2003-04-08 | 2004-11-04 | Shinko Electric Co Ltd | 回転子、固定子および回転機 |
JP4800847B2 (ja) * | 2006-06-01 | 2011-10-26 | 三菱電機株式会社 | 全閉形液冷電動機 |
CN102983680A (zh) * | 2012-11-28 | 2013-03-20 | 沈阳工业大学 | 一种风水混合冷却高速永磁电机 |
JP6268750B2 (ja) | 2013-05-23 | 2018-01-31 | トヨタ自動車株式会社 | 回転電機 |
WO2015045517A1 (ja) * | 2013-09-24 | 2015-04-02 | 三菱電機株式会社 | 磁気誘導子型電動機 |
US9793783B2 (en) | 2014-06-27 | 2017-10-17 | Toyota Jidosha Kabushiki Kaisha | Rotor of rotary electric machine |
JP6079733B2 (ja) | 2014-09-03 | 2017-02-15 | トヨタ自動車株式会社 | 回転電機のロータ |
JP6977328B2 (ja) | 2017-06-21 | 2021-12-08 | 日本電気株式会社 | 顔認証装置、人物追跡システム、人物追跡方法、および、人物追跡プログラム |
CN208369334U (zh) * | 2018-07-05 | 2019-01-11 | 无锡东元电机有限公司 | 一种电机冷却结构 |
-
2019
- 2019-01-23 JP JP2019009529A patent/JP7031619B2/ja active Active
- 2019-11-27 CN CN201911179217.2A patent/CN111478519B/zh active Active
- 2019-12-09 US US16/706,973 patent/US11387697B2/en active Active
-
2020
- 2020-01-21 DE DE102020200626.1A patent/DE102020200626A1/de active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070194638A1 (en) | 2006-02-21 | 2007-08-23 | Honeywell International, Inc. | High power generator with enhanced heat removal |
Also Published As
Publication number | Publication date |
---|---|
US20200235620A1 (en) | 2020-07-23 |
DE102020200626A1 (de) | 2020-07-23 |
US11387697B2 (en) | 2022-07-12 |
JP2020120491A (ja) | 2020-08-06 |
CN111478519B (zh) | 2022-06-17 |
CN111478519A (zh) | 2020-07-31 |
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