JP7099987B2 - 車両用電動機の冷却機構 - Google Patents
車両用電動機の冷却機構 Download PDFInfo
- Publication number
- JP7099987B2 JP7099987B2 JP2019087232A JP2019087232A JP7099987B2 JP 7099987 B2 JP7099987 B2 JP 7099987B2 JP 2019087232 A JP2019087232 A JP 2019087232A JP 2019087232 A JP2019087232 A JP 2019087232A JP 7099987 B2 JP7099987 B2 JP 7099987B2
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- JP
- Japan
- Prior art keywords
- discharge port
- oil passage
- rotor
- end plate
- rotor shaft
- 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
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
-
- 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
- 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
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
- H02K1/30—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures using intermediate parts, e.g. spiders
-
- 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
- H02K7/006—Structural association of a motor or generator with the drive train of a motor vehicle
-
- 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
- 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
- H02K9/193—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil with provision for replenishing the cooling medium; with means for preventing leakage of the cooling medium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/90—Vehicles comprising electric prime movers
- B60Y2200/92—Hybrid vehicles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Description
44:ロータ
46:ロータシャフト
48:ステータコイル
64:冷却機構
72:ロータコア
76:溝
80:冷却油路
82:第1エンドプレート
84:第2エンドプレート
88:第1排出口
92:第2排出口
MG1:第1電動機(車両用電動機)
Claims (3)
- ロータと、該ロータの外周側に配置されるステータと、該ステータに巻き掛けられたステータコイルとを備え、前記ロータは、ロータシャフトと、該ロータシャフトの外周に相対回転不能に設けられているロータコアと、該ロータシャフトの軸方向で前記ロータコアの両側を挟み込むようにして設けられている一対の第1エンドプレートおよび第2エンドプレートとを、含んで構成される車両用電動機を備え、前記ロータコアと前記ロータシャフトとの間には、前記ロータコアを前記ロータシャフトの軸方向に貫通する冷却油路が形成され、該冷却油路は、前記ロータシャフトの内部に形成された供給油路に連通されている、車両用電動機の冷却機構であって、
前記冷却油路は、前記ロータコアの周方向で複数形成され、
前記第1エンドプレートには、前記冷却油路に隣接するようにして連通し、前記第1エンドプレートを前記ロータシャフトの軸方向に貫通する第1排出口が形成され、
前記第2エンドプレートには、前記冷却油路に隣接するようにして連通し、前記第2エンドプレートを前記ロータシャフトの軸方向に貫通する第2排出口が形成され、
前記第1排出口および前記第2排出口は、前記ロータシャフトの軸方向に見たときそれぞれ異なる位置に形成されており、
前記供給油路は、前記ロータシャフトの内部に形成されて前記ロータシャフトの軸方向に伸びる軸方向油路と、前記軸方向油路の内周面から径方向に伸び前記冷却油路に連通する径方向油路と、から構成されている
ことを特徴とする車両用電動機の冷却機構。 - 前記第1排出口および前記第2排出口は、それぞれ複数形成され、
前記第1排出口および前記第2排出口は、前記ロータシャフトの軸方向に見たとき、前記ロータコアの周方向で等角度間隔に交互に配置されている
ことを特徴とする請求項1の車両用電動機の冷却機構。 - 前記冷却油路は、前記ロータコアの内周面に形成された溝から形成されている
ことを特徴とする請求項1または2の車両用電動機の冷却機構。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019087232A JP7099987B2 (ja) | 2019-05-06 | 2019-05-06 | 車両用電動機の冷却機構 |
US16/846,767 US11515746B2 (en) | 2019-05-06 | 2020-04-13 | Cooling mechanism for vehicle electric motor |
DE102020205329.4A DE102020205329A1 (de) | 2019-05-06 | 2020-04-28 | Kühlmechanismus für einen elektrischen fahrzeugmotor |
CN202010353668.XA CN111900813B (zh) | 2019-05-06 | 2020-04-29 | 车辆用电动机的冷却机构 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019087232A JP7099987B2 (ja) | 2019-05-06 | 2019-05-06 | 車両用電動機の冷却機構 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020184818A JP2020184818A (ja) | 2020-11-12 |
JP7099987B2 true JP7099987B2 (ja) | 2022-07-12 |
Family
ID=72943611
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019087232A Active JP7099987B2 (ja) | 2019-05-06 | 2019-05-06 | 車両用電動機の冷却機構 |
Country Status (4)
Country | Link |
---|---|
US (1) | US11515746B2 (ja) |
JP (1) | JP7099987B2 (ja) |
CN (1) | CN111900813B (ja) |
DE (1) | DE102020205329A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11820217B2 (en) | 2018-02-19 | 2023-11-21 | Allison Transmission, Inc. | Axle assembly for frame rail vehicles |
WO2019161390A1 (en) * | 2018-02-19 | 2019-08-22 | Axletech International Ip Holdings, Llc | Axle assembly for frame rail vehicles |
WO2023156816A1 (en) * | 2022-02-16 | 2023-08-24 | Rimac Technology Llc | An electric motor rotor assembly having cooling means, and an electric engine having such a rotor central assembly |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009232557A (ja) | 2008-03-21 | 2009-10-08 | Toyota Industries Corp | 永久磁石式回転電機 |
JP2015097436A (ja) | 2013-11-15 | 2015-05-21 | 株式会社デンソー | 回転電機のロータ及びそのロータを備えた回転電機 |
US20190103778A1 (en) | 2016-03-23 | 2019-04-04 | Thyssenkrupp Presta Teccenter Ag[ | Rotor segment of an electric machine |
JP2019187063A (ja) | 2018-04-09 | 2019-10-24 | 日産自動車株式会社 | 回転電機 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010239799A (ja) | 2009-03-31 | 2010-10-21 | Aisin Aw Co Ltd | 回転電機及び回転電機用エンドプレート |
EP2562914A4 (en) * | 2010-04-23 | 2016-06-22 | Ihi Corp | ROTARY MACHINE |
JP5585656B2 (ja) | 2010-08-27 | 2014-09-10 | トヨタ自動車株式会社 | 車両用制御装置 |
JP5899716B2 (ja) * | 2011-09-02 | 2016-04-06 | トヨタ自動車株式会社 | 回転電機のロータ構造 |
JP5772415B2 (ja) | 2011-09-08 | 2015-09-02 | トヨタ自動車株式会社 | 回転電機のロータ構造 |
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2019
- 2019-05-06 JP JP2019087232A patent/JP7099987B2/ja active Active
-
2020
- 2020-04-13 US US16/846,767 patent/US11515746B2/en active Active
- 2020-04-28 DE DE102020205329.4A patent/DE102020205329A1/de active Pending
- 2020-04-29 CN CN202010353668.XA patent/CN111900813B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009232557A (ja) | 2008-03-21 | 2009-10-08 | Toyota Industries Corp | 永久磁石式回転電機 |
JP2015097436A (ja) | 2013-11-15 | 2015-05-21 | 株式会社デンソー | 回転電機のロータ及びそのロータを備えた回転電機 |
US20190103778A1 (en) | 2016-03-23 | 2019-04-04 | Thyssenkrupp Presta Teccenter Ag[ | Rotor segment of an electric machine |
JP2019187063A (ja) | 2018-04-09 | 2019-10-24 | 日産自動車株式会社 | 回転電機 |
Also Published As
Publication number | Publication date |
---|---|
JP2020184818A (ja) | 2020-11-12 |
US11515746B2 (en) | 2022-11-29 |
CN111900813B (zh) | 2023-02-17 |
CN111900813A (zh) | 2020-11-06 |
DE102020205329A1 (de) | 2020-11-12 |
US20200358326A1 (en) | 2020-11-12 |
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