JP6124508B2 - 熱制御システムを備えた直接駆動風車、軸受アセンブリ、及び、直接駆動風車の温度を制御する方法 - Google Patents
熱制御システムを備えた直接駆動風車、軸受アセンブリ、及び、直接駆動風車の温度を制御する方法 Download PDFInfo
- Publication number
- JP6124508B2 JP6124508B2 JP2012101612A JP2012101612A JP6124508B2 JP 6124508 B2 JP6124508 B2 JP 6124508B2 JP 2012101612 A JP2012101612 A JP 2012101612A JP 2012101612 A JP2012101612 A JP 2012101612A JP 6124508 B2 JP6124508 B2 JP 6124508B2
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- cooling
- inner ring
- wind turbine
- outer ring
- 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.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/12—Impregnating, moulding insulation, heating or drying of windings, stators, rotors or machines
- H02K15/125—Heating or drying of machines in operational state, e.g. standstill heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/70—Bearing or lubricating arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C37/00—Cooling of bearings
- F16C37/007—Cooling of bearings of rolling bearings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
- H02K5/1737—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
-
- 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
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1823—Rotary generators structurally associated with turbines or similar engines
- H02K7/183—Rotary generators structurally associated with turbines or similar engines wherein the turbine is a wind turbine
- H02K7/1838—Generators mounted in a nacelle or similar structure of a horizontal axis wind turbine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/60—Cooling or heating of wind motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2220/00—Application
- F05B2220/70—Application in combination with
- F05B2220/706—Application in combination with an electrical generator
- F05B2220/7066—Application in combination with an electrical generator via a direct connection, i.e. a gearless transmission
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/50—Bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/20—Heat transfer, e.g. cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2300/00—Application independent of particular apparatuses
- F16C2300/10—Application independent of particular apparatuses related to size
- F16C2300/14—Large applications, e.g. bearings having an inner diameter exceeding 500 mm
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2360/00—Engines or pumps
- F16C2360/31—Wind motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/03—Machines characterised by aspects of the air-gap between rotor and stator
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/09—Machines characterised by the presence of elements which are subject to variation, e.g. adjustable bearings, reconfigurable windings, variable pitch ventilators
-
- 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
- H02K7/08—Structural association with bearings
- H02K7/086—Structural association with bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
-
- 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
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Sustainable Energy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Sustainable Development (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Mounting Of Bearings Or Others (AREA)
- Wind Motors (AREA)
- Sliding-Contact Bearings (AREA)
- Support Of The Bearing (AREA)
- Rolling Contact Bearings (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP11164589.1A EP2520797B1 (en) | 2011-05-03 | 2011-05-03 | Direct drive wind turbine with a thermal control system |
| EP11164589.1 | 2011-05-03 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2012233576A JP2012233576A (ja) | 2012-11-29 |
| JP2012233576A5 JP2012233576A5 (enExample) | 2015-04-23 |
| JP6124508B2 true JP6124508B2 (ja) | 2017-05-10 |
Family
ID=44653034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012101612A Active JP6124508B2 (ja) | 2011-05-03 | 2012-04-26 | 熱制御システムを備えた直接駆動風車、軸受アセンブリ、及び、直接駆動風車の温度を制御する方法 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US9531245B2 (enExample) |
| EP (1) | EP2520797B1 (enExample) |
| JP (1) | JP6124508B2 (enExample) |
| KR (1) | KR101928791B1 (enExample) |
| CN (1) | CN102767479B (enExample) |
| AU (1) | AU2012202407B2 (enExample) |
| BR (1) | BR102012010527A2 (enExample) |
| CA (1) | CA2775534C (enExample) |
| DK (1) | DK2520797T3 (enExample) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2381918T3 (es) * | 2009-10-06 | 2012-06-01 | Siemens Aktiengesellschaft | Método para controlar una turbina eólica a cargas térmicas elevadas |
| DK2796740T3 (en) | 2013-04-26 | 2017-05-22 | Siemens Ag | Directly operated wind turbine with a slide bearing device |
| DK2827012T3 (en) * | 2013-07-19 | 2018-03-12 | Siemens Ag | Cooling a bearing for a wind turbine |
| US9970577B2 (en) * | 2013-09-27 | 2018-05-15 | The Procter & Gamble Company | Rotary union |
| DK2947312T3 (da) * | 2014-05-23 | 2020-01-06 | Siemens Gamesa Renewable Energy As | Fremgangsmåde til drift af en vindmølle |
| CN104534073B (zh) * | 2014-12-30 | 2017-04-26 | 天津华建天恒传动有限责任公司 | 基于轴承温度和油温的齿轮箱防烧伤的控制方法 |
| DE102015206478A1 (de) * | 2015-04-10 | 2016-10-13 | Wobben Properties Gmbh | Windenergieanlage mit Flüssigkeitskreislauf und Komponenten dafür |
| CN104832774B (zh) * | 2015-04-22 | 2017-03-22 | 北京金风科创风电设备有限公司 | 风力发电机的轴承保护用加热装置及轴承系统 |
| CN107642546B (zh) * | 2017-11-06 | 2020-07-07 | 河南科技大学 | 滚动轴承保护方法、保护装置及使用该保护装置的轴承座 |
| CN110195691B (zh) * | 2018-02-24 | 2020-06-09 | 江苏金风科技有限公司 | 风力发电机组的冷却系统及冷却方法、风力发电机组 |
| EP3578841B1 (en) | 2018-06-06 | 2025-08-13 | Siemens Gamesa Renewable Energy A/S | Bracket to mount cooling rings and cooling arrangement for a bearing with cooling rings and brackets |
| EP3591222B1 (en) * | 2018-07-03 | 2023-09-06 | Siemens Gamesa Renewable Energy A/S | A wind turbine and a method for operating a wind turbine |
| CN109139396B (zh) * | 2018-08-07 | 2020-05-08 | 北京金风科创风电设备有限公司 | 风力发电机组冷却系统及冷却方法及风力发电机 |
| CN110630454B (zh) * | 2018-08-31 | 2021-03-12 | 北京金风科创风电设备有限公司 | 电机及其轴系的换热装置、风力发电机组 |
| CN109779847A (zh) * | 2019-01-16 | 2019-05-21 | 中国矿业大学银川学院 | 一种车载实验测试装置及测试方法 |
| CN110318958B (zh) * | 2019-07-17 | 2022-02-08 | 上海电气风电集团股份有限公司 | 直驱发电机主轴承机构的冷却系统及直驱发电机 |
| CN113931937B (zh) * | 2020-06-29 | 2024-10-29 | 金风科技股份有限公司 | 轴承冷却系统、轴承冷却方法和风力发电机组 |
| KR102390066B1 (ko) | 2020-09-21 | 2022-04-25 | 유니슨 주식회사 | 풍력터빈용 발전기 |
| CN114517773A (zh) * | 2022-02-25 | 2022-05-20 | 哈电风能有限公司 | 一种风力发电机组主轴承冷却系统及主轴承温度控制方法 |
| CN119508374B (zh) * | 2024-12-04 | 2025-10-14 | 洛阳轴研科技有限公司 | 一种负游隙三排滚子变桨轴承的装配方法 |
Family Cites Families (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2747945A (en) * | 1954-03-04 | 1956-05-29 | United Aircraft Corp | Lubricating means |
| DE3826945A1 (de) * | 1988-08-09 | 1990-02-15 | Skf Gmbh | Verfahren und anordnung zur beeinflussung der luft oder vorspannung von waelzlagern |
| US4948269A (en) * | 1989-07-11 | 1990-08-14 | Hamilton James T | Bearing temperature regulation and lubrication system |
| JP2510758B2 (ja) * | 1990-05-21 | 1996-06-26 | 株式会社 牧野フライス製作所 | 機械の主軸用軸受の冷却方法 |
| US5183342A (en) * | 1991-12-16 | 1993-02-02 | General Electric Company | Lubricated bearing assembly |
| JP2581054Y2 (ja) * | 1992-06-04 | 1998-09-17 | 株式会社小森コーポレーション | 印刷機 |
| NZ516566A (en) * | 1999-07-14 | 2003-05-30 | Aloys Wobben | Wind energy facility with a closed cooling circuit |
| NL1013129C2 (nl) * | 1999-09-24 | 2001-03-27 | Lagerwey Windturbine B V | Windmolen. |
| EP1710432B1 (en) * | 2000-09-25 | 2014-04-30 | STX Heavy Industries Co., Ltd. | Wind power generator |
| DE10322631A1 (de) * | 2003-05-20 | 2004-12-09 | Mtu Aero Engines Gmbh | Wälzlager für den geschmierten und gekühlten Dauerbetrieb bei hohen Drehzahlen |
| US7431567B1 (en) * | 2003-05-30 | 2008-10-07 | Northern Power Systems Inc. | Wind turbine having a direct-drive drivetrain |
| AU2005337986B2 (en) * | 2005-11-01 | 2010-12-23 | Vestas Wind Systems A/S | A method for prolonging and/or controlling the life of one or more heat generating and/or passive components in a wind turbine, a wind turbine, and use thereof |
| DE102005058141A1 (de) * | 2005-12-06 | 2007-07-12 | Schaeffler Kg | Wälzlager mit Heizelement |
| WO2007125349A2 (en) * | 2006-04-28 | 2007-11-08 | Swanturbines Limited | Tidal current turbine |
| SE530523C2 (sv) | 2006-10-02 | 2008-07-01 | Metso Panelboard Ab | Roterande maskin, raffinör och förfarande för vibrationsstyrning av en roterande maskin |
| JP2008157340A (ja) * | 2006-12-22 | 2008-07-10 | Ntn Corp | 転がり軸受 |
| DE102007003618A1 (de) * | 2007-01-18 | 2008-07-24 | Voith Patent Gmbh | Energieerzeugungsanlage, angetrieben durch eine Wind- oder Wasserströmung |
| CN101711311A (zh) | 2007-04-30 | 2010-05-19 | 维斯塔斯风力系统有限公司 | 风轮机、控制在风轮机的第一温度控制系统中流动的流体的温度的方法及其使用 |
| DE102007029571B4 (de) * | 2007-05-18 | 2022-04-28 | Fibro Gmbh | Verfahren zum Einstellen der Vorspannung eines Wälzlagers, Wälzlagereinheit mit einstellbarer Vorspannung sowie Rundtisch und Spindel mit entsprechender Wälzlagereinheit |
| DE112009000465T5 (de) * | 2008-02-29 | 2011-02-24 | Thk Co., Ltd. | Drehtischvorrichtung, die mit einer Kühlstruktur versehen ist, und Drehlager, das mit einer Kühlstruktur versehen ist |
| US20100056315A1 (en) * | 2008-08-27 | 2010-03-04 | Scholte-Wassink Hartmut | Fluidic system, a drive train for a wind turbine and a method for actuating a mechanical component |
| US8047774B2 (en) * | 2008-09-11 | 2011-11-01 | General Electric Company | System for heating and cooling wind turbine components |
| WO2011004472A1 (ja) * | 2009-07-08 | 2011-01-13 | 三菱重工業株式会社 | 風力発電装置 |
| JP5455508B2 (ja) * | 2009-08-28 | 2014-03-26 | 三菱重工業株式会社 | 風力発電用風車 |
| NO20092984A1 (no) * | 2009-09-11 | 2011-02-14 | Blaaster Wind Tech As | Vindturbin |
| US8118536B2 (en) * | 2009-10-30 | 2012-02-21 | General Electric Company | Method and system for operating a wind turbine |
| JP6216552B2 (ja) * | 2013-06-25 | 2017-10-18 | 株式会社Nttファシリティーズ | 振動抑制吊構造 |
-
2011
- 2011-05-03 DK DK11164589.1T patent/DK2520797T3/en active
- 2011-05-03 EP EP11164589.1A patent/EP2520797B1/en active Active
-
2012
- 2012-04-26 US US13/456,268 patent/US9531245B2/en active Active
- 2012-04-26 JP JP2012101612A patent/JP6124508B2/ja active Active
- 2012-04-26 AU AU2012202407A patent/AU2012202407B2/en not_active Ceased
- 2012-05-01 CA CA2775534A patent/CA2775534C/en active Active
- 2012-05-03 CN CN201210133838.9A patent/CN102767479B/zh active Active
- 2012-05-03 BR BRBR102012010527-6A patent/BR102012010527A2/pt not_active Application Discontinuation
- 2012-05-03 KR KR1020120047029A patent/KR101928791B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US9531245B2 (en) | 2016-12-27 |
| CA2775534A1 (en) | 2012-11-03 |
| DK2520797T3 (en) | 2016-01-25 |
| AU2012202407B2 (en) | 2014-06-12 |
| CN102767479B (zh) | 2016-12-07 |
| CN102767479A (zh) | 2012-11-07 |
| KR20120124371A (ko) | 2012-11-13 |
| KR101928791B1 (ko) | 2018-12-13 |
| BR102012010527A2 (pt) | 2015-07-28 |
| JP2012233576A (ja) | 2012-11-29 |
| US20120282096A1 (en) | 2012-11-08 |
| EP2520797A1 (en) | 2012-11-07 |
| CA2775534C (en) | 2019-09-24 |
| EP2520797B1 (en) | 2015-10-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6124508B2 (ja) | 熱制御システムを備えた直接駆動風車、軸受アセンブリ、及び、直接駆動風車の温度を制御する方法 | |
| JP5511982B2 (ja) | 冷却システムを有する直接駆動型風車および直接駆動型風車を制御する方法 | |
| CN103299095B (zh) | 带有用于一体化地冷却和/或加热的设备的装置以及用于一体化地加热或冷却的方法 | |
| US9902478B2 (en) | Pod propulsion device and a method for cooling such | |
| WO2019109612A1 (zh) | 轴系的冷却系统及其控制方法以及风力发电机组 | |
| CN109139396A (zh) | 风力发电机组冷却系统及冷却方法及风力发电机 | |
| KR20150133657A (ko) | 기어 유닛 및 기어 유닛 윤활유 가열 방법 | |
| KR20150045188A (ko) | 풍력발전기 나셀의 냉각장치 | |
| JP5518687B2 (ja) | 回転電機のスラスト軸受装置 | |
| JP4501667B2 (ja) | 車両駆動装置 | |
| CN206234127U (zh) | 一种高温重载轴承润滑冷却系统 | |
| JP2006246603A (ja) | 回転電機 | |
| KR101331279B1 (ko) | 바이메탈을 이용한 가변형 임펠러 | |
| US20250343468A1 (en) | Electric drive unit including a heat exchanger with phase changing material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20150304 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20150304 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20160302 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20160314 |
|
| A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20160614 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20160810 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20170306 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20170404 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 6124508 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
| S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |