WO2013034413A3 - Stator für einen elektromotor - Google Patents
Stator für einen elektromotor Download PDFInfo
- Publication number
- WO2013034413A3 WO2013034413A3 PCT/EP2012/065936 EP2012065936W WO2013034413A3 WO 2013034413 A3 WO2013034413 A3 WO 2013034413A3 EP 2012065936 W EP2012065936 W EP 2012065936W WO 2013034413 A3 WO2013034413 A3 WO 2013034413A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- stator
- electric motor
- stator stack
- end winding
- coolant line
- Prior art date
Links
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
- H02K1/20—Stationary 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
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/08—Arrangements for cooling or ventilating by gaseous cooling medium circulating wholly within the machine casing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/10—Arrangements for cooling or ventilating by gaseous cooling medium flowing in closed circuit, a part of which is external to the machine casing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/14—Arrangements for cooling or ventilating wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/14—Arrangements for cooling or ventilating wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle
- H02K9/16—Arrangements for cooling or ventilating wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle wherein the cooling medium circulates through ducts or tubes within the casing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/14—Arrangements for cooling or ventilating wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle
- H02K9/18—Arrangements for cooling or ventilating wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle wherein the external part of the closed circuit comprises a heat exchanger structurally associated with the machine casing
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Windings For Motors And Generators (AREA)
Abstract
Ein Stator (1) für einen Elektromotor, der ein mit Drahtwicklungen versehenes, im wesentlichen hohlzylinderförmiges Statorpaket (2) und einen sich in axialer Richtung an das Statorpaket (2) anschließenden Wickelkopf (6) umfasst, wobei das Statorpaket (2) eine Anzahl von Nuten (4) umfasst, wobei in die jeweilige Nut (4) eine Kühlmittelleitung (8) eingelegt ist, soll eine weitere Verbesserung des Wirkungsgrades des Elektromotors ermöglichen. Dazu erstreckt sich ein Abschnitt (10) der jeweiligen Kühlmittelleitung (8) in den Bereich des Wickelkopfes (6).
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/343,670 US9768666B2 (en) | 2011-09-08 | 2012-08-15 | External cooling tube arrangement for a stator of an electric motor |
CN201280043998.2A CN103959606A (zh) | 2011-09-08 | 2012-08-15 | 电动机的定子 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011082353.0A DE102011082353B4 (de) | 2011-09-08 | 2011-09-08 | Stator für einen Elektromotor |
DE102011082353.0 | 2011-09-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2013034413A2 WO2013034413A2 (de) | 2013-03-14 |
WO2013034413A3 true WO2013034413A3 (de) | 2014-06-19 |
Family
ID=46750313
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2012/065936 WO2013034413A2 (de) | 2011-09-08 | 2012-08-15 | Stator für einen elektromotor |
Country Status (4)
Country | Link |
---|---|
US (1) | US9768666B2 (de) |
CN (1) | CN103959606A (de) |
DE (1) | DE102011082353B4 (de) |
WO (1) | WO2013034413A2 (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2720351B1 (de) * | 2012-10-12 | 2017-04-26 | Siemens Aktiengesellschaft | Vorrichtung zur Entwärmung eines Bauteils einer elektrischen Maschine mittels mehrerer Kühlschlangen |
WO2014166674A2 (de) * | 2013-04-11 | 2014-10-16 | Siemens Aktiengesellschaft | Reluktanzmotor und zugehöriger rotor |
EP2928047A1 (de) | 2014-03-31 | 2015-10-07 | Siemens Aktiengesellschaft | Reluktanzrotor mit mechanischer Stabilisierung |
DE102014210339A1 (de) | 2014-06-02 | 2015-12-03 | Siemens Aktiengesellschaft | Käfigläufer einer Asynchronmaschine |
EP3070824A1 (de) | 2015-03-19 | 2016-09-21 | Siemens Aktiengesellschaft | Rotor einer synchronen Reluktanzmaschine |
CN107852046B (zh) | 2015-07-17 | 2019-10-08 | 西门子公司 | 具有附加的自有磁化部的磁阻转子 |
CN105071619B (zh) * | 2015-09-11 | 2017-07-18 | 天津理工大学 | 一种定子绕组设有散热装置的永磁无刷电机 |
ES2667490T3 (es) | 2015-12-14 | 2018-05-11 | Siemens Aktiengesellschaft | Alineación de rotor para la reducción de las vibraciones y los ruidos |
EP3193431A1 (de) | 2016-01-14 | 2017-07-19 | Siemens Aktiengesellschaft | Elektroblech mit gedrucktem steg |
US10069379B2 (en) * | 2016-02-26 | 2018-09-04 | Ford Global Technologies, Llc | Electric motor cooling system |
DE102016105347A1 (de) * | 2016-03-22 | 2017-09-28 | Phoenix Contact E-Mobility Gmbh | Steckverbinderteil mit einem gekühlten Kontaktelement |
CN105790509A (zh) * | 2016-04-07 | 2016-07-20 | 重庆大学 | 一种用于手术动力装置的基于微流路通道辅助冷却系统 |
CN105811664A (zh) * | 2016-05-23 | 2016-07-27 | 维尔纳(福建)电机有限公司 | 一种变频水冷电机 |
CN109428422B (zh) * | 2017-08-31 | 2021-08-10 | 中车株洲电力机车研究所有限公司 | 一种电机绕组端部冷却装置及冷却系统 |
US10855144B2 (en) | 2018-04-03 | 2020-12-01 | General Electric Company | Electrical winding topologies and methods of making the same |
CN108736631B (zh) * | 2018-06-29 | 2024-06-04 | 李忠亮 | 高功率密度的电机 |
DE102018116031A1 (de) * | 2018-07-03 | 2020-01-09 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Elektromotor mit zu Statornuten beabstandeten elektrischen Leitern |
EP3709484A1 (de) * | 2019-03-14 | 2020-09-16 | Siemens Aktiengesellschaft | Gekapselte elektrische maschine mit äusserem flüssigkeitskühlkreislauf |
DE102019109721A1 (de) * | 2019-04-12 | 2020-10-15 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Rotor für eine elektrische Maschine |
US11383850B2 (en) | 2019-06-06 | 2022-07-12 | Beta Air, Llc | Integrated electric propulsion assembly |
US11679891B2 (en) | 2019-06-06 | 2023-06-20 | Beta Air, Llc | Integrated electric propulsion assembly |
DE102019216125A1 (de) * | 2019-10-21 | 2021-04-22 | Zf Friedrichshafen Ag | Stator für eine elektrische Maschine |
JP7405559B2 (ja) * | 2019-10-25 | 2023-12-26 | ファナック株式会社 | 冷却管を備えた電動機のステータ |
EP4070434A4 (de) * | 2019-12-04 | 2023-12-13 | Beta Air, LLC | Integrierte elektrische antriebseinheit |
CN112054613B (zh) * | 2020-04-27 | 2021-08-17 | 武汉船用电力推进装置研究所(中国船舶重工集团公司第七一二研究所) | 一种水冷电机定子及电机 |
DE102021200277A1 (de) | 2021-01-14 | 2022-07-14 | Valeo Siemens Eautomotive Germany Gmbh | Verfahren zur Herstellung eines gekühlten Stators für eine elektrische Maschine und elektrische Maschine mit einem Kühlsystem |
DE112021008063T5 (de) * | 2021-08-04 | 2024-07-04 | Weg Equipamentos Electricos S.A. | Luftleitelement für den Spulenkopf von Rotoren rotierender elektrischer Maschinen und entsprechende rotierende elektrische Maschine |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59106852A (ja) * | 1982-12-09 | 1984-06-20 | Fanuc Ltd | 液冷式誘導電動機 |
US5798587A (en) * | 1997-01-22 | 1998-08-25 | Industrial Technology Research Institute | Cooling loop structure of high speed spindle |
US20020089242A1 (en) * | 2001-01-11 | 2002-07-11 | Feng Liang | Electric machine with laminated cooling rings |
DE10105983A1 (de) * | 2001-02-09 | 2002-09-12 | Siemens Ag | Elektrische Maschine mit Formteil an Wicklungsköpfen |
DE102007013051A1 (de) * | 2007-03-19 | 2008-09-25 | Siemens Ag | Elektrische Maschine mit Kompensation der induzierten Spannung im Kühlrohrsystem |
Family Cites Families (56)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1016268B (de) | 1940-08-14 | 1957-09-26 | Wasagchemie Ag | Verfahren zur Herstellung von Trimethylentrinitramin |
US3009072A (en) * | 1958-01-28 | 1961-11-14 | Scott L & Electromotors Ltd | Fluid cooled motors |
US3109947A (en) * | 1959-06-26 | 1963-11-05 | Gen Electric | Cooling system for dynamoelectric machines |
US3075103A (en) * | 1959-09-30 | 1963-01-22 | Gen Electric | Fluid cooled chill ring for canned motors |
US3119032A (en) * | 1959-10-31 | 1964-01-21 | Bbc Brown Boveri & Cie | Arrangement for cooling turbogenerators |
US3681628A (en) * | 1970-09-14 | 1972-08-01 | Christoslaw Krastchew | Cooling arrangement for a dynamoelectric machine |
US3978359A (en) * | 1974-10-30 | 1976-08-31 | Westinghouse Electric Corporation | Coil end insulation for dynamoelectric machines |
US4117358A (en) * | 1976-12-06 | 1978-09-26 | Westinghouse Electric Corp. | Combined electrical and coolant distribution system for dynamoelectric machines having internally cooled stator windings |
FR2627913B1 (fr) * | 1988-02-25 | 1992-02-07 | Labavia | Ralentisseur electromagnetique, moyens d'alimentation associes et application a un vehicule |
FR2653949B1 (fr) * | 1989-10-30 | 1992-02-07 | Celduc Const Elect Centre | Dispositif de refroidissement pour inducteur de moteur lineaire. |
JPH03222651A (ja) * | 1989-11-06 | 1991-10-01 | Toshiba Corp | 空冷式誘導電動機 |
DE4003155A1 (de) * | 1990-02-03 | 1991-08-29 | Bosch Gmbh Robert | Elektrische maschine mit fremdbelueftung |
JPH0946975A (ja) * | 1995-08-03 | 1997-02-14 | Nissan Motor Co Ltd | 電気自動車用モータ |
JPH0993869A (ja) | 1995-09-28 | 1997-04-04 | Mitsubishi Electric Corp | 液冷構造を有する回転機械 |
WO1997045916A1 (en) * | 1996-05-29 | 1997-12-04 | Asea Brown Boveri Ab | Axial cooling tubes provided with clamping means |
JPH1114804A (ja) | 1997-06-27 | 1999-01-22 | Fuji Photo Optical Co Ltd | プラスチックレンズ |
DE19749108C5 (de) * | 1997-11-06 | 2004-01-22 | Siemens Ag | Elektromotor |
BR0006183A (pt) * | 1999-06-01 | 2001-04-17 | Bosch Gmbh Robert | Gerador de partida para uma máquina de combustão interna e processo para a fabricação do mesmo |
US7211919B2 (en) * | 1999-08-16 | 2007-05-01 | American Superconductor Corporation | Thermally-conductive stator support structure |
GB9920581D0 (en) * | 1999-09-01 | 1999-11-03 | Alstom Uk Ltd | Improvements in rotating electrical machines |
US6645656B1 (en) | 2000-03-24 | 2003-11-11 | University Of Houston | Thin film solid oxide fuel cell and method for forming |
US6645657B2 (en) | 2001-05-03 | 2003-11-11 | Fuelcell Energy, Inc. | Sol-gel coated cathode side hardware for carbonate fuel cells |
GB0111629D0 (en) * | 2001-05-11 | 2001-07-04 | Switched Reluctance Drives Ltd | Cooling of electrical machines |
DE10156268C1 (de) * | 2001-11-16 | 2002-12-12 | Siemens Ag | Elektrische Maschine, insbesondere Starter-Generator |
US6914354B2 (en) * | 2002-01-16 | 2005-07-05 | Ballard Power Systems Corporation | Assembly and method for direct cooling of motor end-winding |
US6819016B2 (en) * | 2002-07-18 | 2004-11-16 | Tm4 Inc. | Liquid cooling arrangement for electric machines |
US7042124B2 (en) * | 2003-10-03 | 2006-05-09 | Franklin Electric Co., Inc. | Electric motors for washdown, food processing, and chemical applications |
BE1015766A3 (de) * | 2003-11-05 | 2005-08-02 | Atlas Copco Airpower Nv | |
DE20319969U1 (de) | 2003-12-23 | 2004-03-11 | Siemens Ag | Rotationsträger mit elastischer Verbindungseinrichtung zum Einbau elektrischer Maschinen in Rohre |
DE102004048461A1 (de) * | 2004-10-05 | 2006-04-27 | Siemens Ag | Gehäuse für eine elektrische Maschine |
AU2005333156B2 (en) | 2004-11-03 | 2011-05-26 | Iris Molecular Diagnostics, Inc. | Homogeneous analyte detection |
DE102005037373B4 (de) | 2005-08-08 | 2011-05-05 | Siemens Ag | Elektrische Maschine mit einer stirnseitigen Umlenkung von elektrischen Leitern |
DE102005037375B4 (de) | 2005-08-08 | 2007-08-30 | Siemens Ag | Verfahren zur Bewicklung einer elektrischen Maschine |
DE102006005316B4 (de) * | 2006-02-06 | 2020-03-26 | Siemens Aktiengesellschaft | Kühleinrichtung für eine elektrische Maschine, elektrische Maschinen mit einer solchen Kühleinrichtung, Dynamoblech sowie Herstellungsverfahren für solche elektrischen Maschinen |
DE102006043177A1 (de) * | 2006-09-14 | 2008-03-27 | Siemens Ag | Elektrische Maschine mit Blechpaketgehäuse und entsprechendes Herstellungsverfahren |
US7633194B2 (en) * | 2006-10-26 | 2009-12-15 | Gm Global Technology Operations, Inc. | Apparatus for cooling stator lamination stacks of electrical machines |
DE102007007559A1 (de) | 2007-02-15 | 2008-10-09 | Siemens Ag | Elektrische Maschine mit Ferrofluid-Komponenten |
DE102007036032A1 (de) * | 2007-08-01 | 2009-02-19 | Ritz Pumpenfabrik Gmbh & Co Kg | Unterwassermotor mit Wärmetauscher |
US8161643B2 (en) * | 2007-09-20 | 2012-04-24 | Arvinmeritor Technology, Llc | Method for forming a cooling jacket for an electric motor |
DE102007062541A1 (de) * | 2007-12-20 | 2009-06-25 | Sycotec Gmbh & Co. Kg | Elektromotor |
FI120782B (fi) * | 2008-04-18 | 2010-02-26 | Abb Oy | Jäähdytyselementti sähkökoneeseen |
WO2010012070A1 (en) * | 2008-07-28 | 2010-02-04 | Tm4 Inc. | Multi-path liquid cooling arrangement for electric machines |
DE102009008440B3 (de) | 2009-02-11 | 2010-12-02 | Siemens Aktiengesellschaft | Käfigläufer |
KR20110128298A (ko) * | 2009-03-05 | 2011-11-29 | 산요 덴키 가부시키가이샤 | 리니어 모터용 전기자 |
US8247933B2 (en) * | 2009-04-29 | 2012-08-21 | GM Global Technology Operations LLC | Methods and apparatus for a permanent magnet machine with a direct liquid cooled stator |
EP2282396B1 (de) | 2009-08-03 | 2012-12-05 | Siemens Aktiengesellschaft | Herstellungsverfahren für geschrägte Käfigläufer und geschrägter Käfigläufer |
EP2288004B1 (de) | 2009-08-19 | 2017-05-17 | Siemens Aktiengesellschaft | Käfigläufer mit Anlaufstab |
EP2299565B1 (de) | 2009-09-17 | 2012-08-15 | Siemens Aktiengesellschaft | Kühlung eines Asynchronläufers |
DE102009051114A1 (de) | 2009-10-28 | 2011-05-05 | Siemens Aktiengesellschaft | Elektrische Maschine |
EP2320540A1 (de) * | 2009-11-05 | 2011-05-11 | Siemens Aktiengesellschaft | Anordnung zur Kühlung einer elektrischen Maschine |
EP2320080A1 (de) * | 2009-11-06 | 2011-05-11 | Siemens Aktiengesellschaft | Anordnung zur Kühlung eines Stromgenerators |
JP5470015B2 (ja) * | 2009-12-04 | 2014-04-16 | 株式会社日立製作所 | 回転電機 |
US8378550B2 (en) * | 2010-09-10 | 2013-02-19 | Remy Technologies, L.L.C. | Electric machine including a stator having a stator sleeve and method of cooling a stator |
US8405262B1 (en) * | 2011-11-30 | 2013-03-26 | Kollmorgen Corporation | Cooling of electric motor with coolant pipe and conduction plates or cups |
ITMI20121301A1 (it) * | 2012-07-25 | 2014-01-26 | Wilic Sarl | Segmento attivo di una macchina elettrica rotante per aerogeneratore, macchina elettrica rotante, e aerogeneratore |
US9362785B2 (en) * | 2012-11-06 | 2016-06-07 | Lcdrives Corp. | Concentrated winding stator construction for high efficiency machine |
-
2011
- 2011-09-08 DE DE102011082353.0A patent/DE102011082353B4/de active Active
-
2012
- 2012-08-15 WO PCT/EP2012/065936 patent/WO2013034413A2/de active Application Filing
- 2012-08-15 US US14/343,670 patent/US9768666B2/en active Active
- 2012-08-15 CN CN201280043998.2A patent/CN103959606A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59106852A (ja) * | 1982-12-09 | 1984-06-20 | Fanuc Ltd | 液冷式誘導電動機 |
US5798587A (en) * | 1997-01-22 | 1998-08-25 | Industrial Technology Research Institute | Cooling loop structure of high speed spindle |
US20020089242A1 (en) * | 2001-01-11 | 2002-07-11 | Feng Liang | Electric machine with laminated cooling rings |
DE10105983A1 (de) * | 2001-02-09 | 2002-09-12 | Siemens Ag | Elektrische Maschine mit Formteil an Wicklungsköpfen |
DE102007013051A1 (de) * | 2007-03-19 | 2008-09-25 | Siemens Ag | Elektrische Maschine mit Kompensation der induzierten Spannung im Kühlrohrsystem |
Also Published As
Publication number | Publication date |
---|---|
US20140217840A1 (en) | 2014-08-07 |
CN103959606A (zh) | 2014-07-30 |
US9768666B2 (en) | 2017-09-19 |
DE102011082353B4 (de) | 2021-04-01 |
WO2013034413A2 (de) | 2013-03-14 |
DE102011082353A1 (de) | 2013-03-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2013034413A3 (de) | Stator für einen elektromotor | |
WO2014060807A3 (en) | Stator of rotary electric machine | |
WO2012052618A3 (en) | A stator of an electrical machine and an electrical machine | |
EP2495851A8 (de) | Rotierende elektrische Maschine | |
EP2355308A3 (de) | Elektromotor | |
WO2010054651A3 (de) | Elektrische maschine | |
WO2012033679A3 (en) | Electric machine including a stator having a stator sleeve and method of cooling a stator | |
MX2013005968A (es) | Metodo y artefacto de torcido de porciones de extremo de conductores de barra, en particular para devanados de barra de maquinas electricas. | |
WO2012072754A3 (de) | Verfahren zur herstellung einer ständerwicklung einer elektrischen maschine, insbesondere zur herstellung eines wechselstromgenerators | |
WO2011052930A3 (en) | Stator for motor | |
WO2010040785A3 (de) | Elektrische maschine | |
EP2608372A3 (de) | Drehende elektrische Maschine | |
EP2615724A3 (de) | Rotor und Motor damit | |
MY170585A (en) | Stator for electrical rotating machine | |
WO2011151713A3 (en) | Rotor of an electric motor and manufacturing method of same | |
EP2680406A3 (de) | Motor | |
WO2015055445A3 (en) | Apparatus and method for manufacturing components of dynamoelectric machines | |
EP2808980A3 (de) | Motor | |
WO2012059110A3 (en) | Direct drive segmented generator | |
WO2012104055A3 (de) | Elektromotor | |
WO2013021248A3 (en) | Rotary electric machine | |
EP2063515A3 (de) | Stator für elektrische Drehmaschine und elektrische Drehmaschine mit dem Stator | |
EP2624444A3 (de) | Elektrisches Rotationsmaschinensystem | |
EP2645545A3 (de) | Flüssigkühlung für einen Elektromotor | |
GB201312947D0 (en) | Electric machine for a hybrid or electric vehicle |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 14343670 Country of ref document: US |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 12751045 Country of ref document: EP Kind code of ref document: A2 |