WO1993014552A1 - Lightweight high power electromotive device - Google Patents

Lightweight high power electromotive device Download PDF

Info

Publication number
WO1993014552A1
WO1993014552A1 PCT/US1993/000058 US9300058W WO9314552A1 WO 1993014552 A1 WO1993014552 A1 WO 1993014552A1 US 9300058 W US9300058 W US 9300058W WO 9314552 A1 WO9314552 A1 WO 9314552A1
Authority
WO
WIPO (PCT)
Prior art keywords
stator
electromotive device
magnetic field
bars
inductor
Prior art date
Application number
PCT/US1993/000058
Other languages
English (en)
French (fr)
Inventor
Gene A. Fischer
John T. Jacobs
Original Assignee
Fisher Electric Motor Technology, Inc.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fisher Electric Motor Technology, Inc. filed Critical Fisher Electric Motor Technology, Inc.
Priority to JP5512529A priority Critical patent/JPH07505038A/ja
Priority to AU34335/93A priority patent/AU662801B2/en
Priority to KR1019940702418A priority patent/KR100194190B1/ko
Priority to EP93902941A priority patent/EP0620952B1/en
Priority to DE69310714T priority patent/DE69310714T2/de
Publication of WO1993014552A1 publication Critical patent/WO1993014552A1/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02—Linear motors; Sectional motors
    • H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors
    • H02K41/031—Synchronous motors; Motors moving step by step; Reluctance motors of the permanent magnet type
    • 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
    • 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
    • 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
    • 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
    • H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Hybrid Cells (AREA)
  • Electrotherapy Devices (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Filling, Topping-Up Batteries (AREA)
PCT/US1993/000058 1992-01-10 1993-01-07 Lightweight high power electromotive device WO1993014552A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP5512529A JPH07505038A (ja) 1992-01-10 1993-01-07 軽量のハイパワー電動兼発電装置
AU34335/93A AU662801B2 (en) 1992-01-10 1993-01-07 Lightweight high power electromotive device
KR1019940702418A KR100194190B1 (ko) 1992-01-10 1993-01-07 경량 고출력 전동장치
EP93902941A EP0620952B1 (en) 1992-01-10 1993-01-07 Lightweight high power electromotive device
DE69310714T DE69310714T2 (de) 1992-01-10 1993-01-07 Elektromotorische leichtgewichtsvorrichtung von hoher leistung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/820,287 1992-01-10
US07/820,287 US5212419A (en) 1992-01-10 1992-01-10 Lightweight high power electromotive device

Publications (1)

Publication Number Publication Date
WO1993014552A1 true WO1993014552A1 (en) 1993-07-22

Family

ID=25230392

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1993/000058 WO1993014552A1 (en) 1992-01-10 1993-01-07 Lightweight high power electromotive device

Country Status (11)

Country Link
US (1) US5212419A (en:Method)
EP (1) EP0620952B1 (en:Method)
JP (1) JPH07505038A (en:Method)
KR (1) KR100194190B1 (en:Method)
AU (1) AU662801B2 (en:Method)
CA (1) CA2127557C (en:Method)
DE (1) DE69310714T2 (en:Method)
ES (1) ES2104124T3 (en:Method)
MX (1) MX9300043A (en:Method)
TW (1) TW221724B (en:Method)
WO (1) WO1993014552A1 (en:Method)

Families Citing this family (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69309444T2 (de) * 1992-01-29 1997-10-02 Stridsberg Innovation Ab Bürstenloser gleichstrommotor/-generator
JP3152405B2 (ja) * 1992-06-10 2001-04-03 オークマ株式会社 電動機
US5955809A (en) * 1992-08-17 1999-09-21 Intellectual Property Law Department Sundstrand Corporation Permanent magnet generator with auxiliary winding
US5382859A (en) * 1992-09-01 1995-01-17 Unique Mobility Stator and method of constructing same for high power density electric motors and generators
GB9311634D0 (en) * 1993-06-03 1993-07-21 Spooner Edward Electromagnetic machine
US5554902A (en) * 1993-10-15 1996-09-10 Libby Corporation Lightweight high power electromotive device and method for making same
AU8119394A (en) * 1993-11-01 1995-05-23 Stridsberg Innovation Ab An electric motor and its fabrication
AU5576998A (en) * 1997-01-24 1998-08-18 Sohken Ohtex Kabushiki-Kaisha Ac generator
US6262505B1 (en) * 1997-03-26 2001-07-17 Satcon Technology Corporation Flywheel power supply having axial magnetic bearing for frictionless rotation
TW382160B (en) * 1997-04-02 2000-02-11 Ind Tech Res Inst Brush-less motor stator and arc modification method thereof
US5949171A (en) * 1998-06-19 1999-09-07 Siemens Canada Limited Divisible lamination brushless pump-motor having fluid cooling system
DE19838378A1 (de) * 1998-08-24 2000-03-02 Magnet Motor Gmbh Elektrische Maschine mit Dauermagneten
IT1303836B1 (it) * 1998-11-19 2001-03-01 Baruffaldi Spa Dispositivo di trasmissione del moto per ventole di autoveicoli agiunto ad induzione a concatenamento frontale
DK173641B1 (da) * 1998-12-15 2001-05-14 Bonus Energy As Generator, fortrinsvis til en vindmølle
CN1078765C (zh) * 1999-05-04 2002-01-30 李宜和 改良结构的辅助动力电动机
US6384496B1 (en) 1999-05-17 2002-05-07 Wavecrest Laboratories, Llc Multiple magnetic path electric motor
US6313556B1 (en) * 1999-09-30 2001-11-06 Reliance Electric Technologies, Llc Superconducting electromechanical rotating device having a liquid-cooled, potted, one layer stator winding
DE10190175D2 (de) * 2000-01-20 2002-05-29 Bosch Gmbh Robert Verfahren zur Herstellung eines magnetisch erregbaren Kerns mit Kernwicklung für eine elektrische Maschine
US6631794B1 (en) * 2000-04-14 2003-10-14 Meritor Heavy Vehicle Systems, Llc Drive unit assembly with a regenerative retarder
US6376944B1 (en) 2000-07-11 2002-04-23 Eagle-Picher Industries, Inc. Electrical power generator
US6400059B1 (en) * 2000-11-15 2002-06-04 Chun-Pu Hsu Inner stator of drum type motor
US6487769B2 (en) 2000-11-30 2002-12-03 Emerson Electric Co. Method and apparatus for constructing a segmented stator
US6597078B2 (en) 2000-12-04 2003-07-22 Emerson Electric Co. Electric power steering system including a permanent magnet motor
US6897591B2 (en) 2001-03-26 2005-05-24 Emerson Electric Co. Sensorless switched reluctance electric machine with segmented stator
US6700284B2 (en) 2001-03-26 2004-03-02 Emerson Electric Co. Fan assembly including a segmented stator switched reluctance fan motor
US7012350B2 (en) 2001-01-04 2006-03-14 Emerson Electric Co. Segmented stator switched reluctance machine
US6584813B2 (en) 2001-03-26 2003-07-01 Emerson Electric Co. Washing machine including a segmented stator switched reluctance motor
US6744166B2 (en) 2001-01-04 2004-06-01 Emerson Electric Co. End cap assembly for a switched reluctance electric machine
US6885162B2 (en) * 2001-02-08 2005-04-26 Stridsberg Innovation Ab High reliability motor system
US7036207B2 (en) * 2001-03-02 2006-05-02 Encap Motor Corporation Stator assembly made from a plurality of toroidal core segments and motor using same
US7679245B2 (en) 2001-09-17 2010-03-16 Beacon Power Corporation Repulsive lift systems, flywheel energy storage systems utilizing such systems and methods related thereto
US6664704B2 (en) * 2001-11-23 2003-12-16 David Gregory Calley Electrical machine
JP3680213B2 (ja) * 2002-05-30 2005-08-10 デンソートリム株式会社 三相磁石式発電機
US20040021437A1 (en) * 2002-07-31 2004-02-05 Maslov Boris A. Adaptive electric motors and generators providing improved performance and efficiency
US20050046375A1 (en) * 2002-07-31 2005-03-03 Maslov Boris A. Software-based adaptive control system for electric motors and generators
US20040263099A1 (en) * 2002-07-31 2004-12-30 Maslov Boris A Electric propulsion system
JP2004166381A (ja) * 2002-11-12 2004-06-10 Mitsubishi Electric Corp ３相交流発電機
JP2004328986A (ja) * 2003-01-14 2004-11-18 Toyo Tetsushin Kogyo Kk モータ用固定子コアおよびその製造方法
KR101141943B1 (ko) * 2003-07-08 2012-05-04 긴파라 시로 풍력 발전 시스템
US7723888B2 (en) * 2004-05-25 2010-05-25 Marko Petek Synchronous electromechanical transformer
SI21830A (sl) * 2004-05-25 2005-12-31 Marko Petek Sinhronski elektromehanski pretvornik
US7154191B2 (en) * 2004-06-30 2006-12-26 General Electric Company Electrical machine with double-sided rotor
DE102004042768A1 (de) * 2004-09-03 2006-03-09 Ina - Drives & Mechatronics Gmbh & Co. Ohg Hochpoliger, linearer oder rotativer Synchron-Direktantriebsmotor
JP4904736B2 (ja) * 2005-07-21 2012-03-28 日産自動車株式会社 回転電機の固定子
WO2007061210A1 (en) * 2005-11-23 2007-05-31 Daewoo Electronics Corporation Induction motor utilizes magnetic fluxes of end-turns of stator
US7989084B2 (en) * 2007-05-09 2011-08-02 Motor Excellence, Llc Powdered metal manufacturing method and devices
WO2008141214A1 (en) * 2007-05-09 2008-11-20 Motor Excellence, Llc. Electrical output generating devices and driven electrical devices with reduced flux leakage using permanent magnet components, and methods of making and using the same
US7671509B2 (en) * 2007-08-20 2010-03-02 Scott Terry D Rotor and stator assemblies for permanent magnet electric generator
US20090162225A1 (en) * 2007-12-20 2009-06-25 Fu Zhun Precision Industry (Shen Zhen) Co., Ltd. Pump for liquid cooling system
JP2012507983A (ja) 2008-11-03 2012-03-29 モーター エクセレンス， エルエルシー 多相の横方向および／またはコンミュテート式磁束システム
US8084909B2 (en) * 2009-04-09 2011-12-27 Goodzeit Carl L Dual armature motor/generator with flux linkage
US8519582B2 (en) * 2009-09-29 2013-08-27 Regal Beloit America, Inc. Air cooled electric motor
US8395291B2 (en) * 2010-03-15 2013-03-12 Electric Torque Machines, Inc. Transverse and/or commutated flux systems for electric bicycles
EP2548288A1 (en) 2010-03-15 2013-01-23 Motor Excellence, LLC Transverse and/or commutated flux systems configured to provide reduced flux leakage, hysteresis loss reduction, and phase matching
WO2011115634A1 (en) * 2010-03-15 2011-09-22 Motor Excellence Llc Transverse and/or commutated flux systems having phase offset
US20110309695A1 (en) * 2010-06-21 2011-12-22 Huard Steven R Internally cooled servo motor with dry rotor
GB201012675D0 (en) * 2010-07-29 2010-09-15 Rolls Royce Plc Aerospace vehicle yaw generating tail section
US8854171B2 (en) 2010-11-17 2014-10-07 Electric Torque Machines Inc. Transverse and/or commutated flux system coil concepts
US8405275B2 (en) 2010-11-17 2013-03-26 Electric Torque Machines, Inc. Transverse and/or commutated flux systems having segmented stator laminations
US8952590B2 (en) 2010-11-17 2015-02-10 Electric Torque Machines Inc Transverse and/or commutated flux systems having laminated and powdered metal portions
AR083135A1 (es) * 2011-10-05 2013-02-06 Ind Metalurgicas Pescarmona S A I C Y F Generador eolico sincronico
DE102014018338A1 (de) * 2014-12-10 2016-06-16 Audi Ag Elektrische Maschine und Kraftfahrzeug
US11139707B2 (en) * 2015-08-11 2021-10-05 Genesis Robotics And Motion Technologies Canada, Ulc Axial gap electric machine with permanent magnets arranged between posts
KR20180093872A (ko) 2015-08-11 2018-08-22 제네시스 로보틱스 엘엘피 전기 기계
US10594172B2 (en) 2015-11-12 2020-03-17 Hamilton Sundstrand Corporation Electric component including custom metal grain orientation
US11043885B2 (en) 2016-07-15 2021-06-22 Genesis Robotics And Motion Technologies Canada, Ulc Rotary actuator
EP4170871A1 (en) * 2021-10-22 2023-04-26 General Electric Renovables España S.L. Electrical machine tooth assemblies and methods

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4364169A (en) * 1980-10-24 1982-12-21 Nippondenso Co., Ltd. Method of producing a stator iron core
US4900965A (en) * 1988-09-28 1990-02-13 Fisher Technology, Inc. Lightweight high power electromotive device
US5075606A (en) * 1989-01-27 1991-12-24 Lipman Leonard H Solid state DC fan motor

Family Cites Families (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US464026A (en) * 1891-12-01 Transformer and armature-core
US497001A (en) * 1893-05-09 Rookes evelyn
US295368A (en) * 1884-03-18 dennis
US1227185A (en) * 1915-09-01 1917-05-22 Alfons H Neuland Induction device.
US1756672A (en) * 1922-10-12 1930-04-29 Allis Louis Co Dynamo-electric machine
US2792511A (en) * 1954-03-17 1957-05-14 Westinghouse Electric Corp Oriented-punching cores for dynamoelectric machines
US3082337A (en) * 1955-09-26 1963-03-19 Parsons C A & Co Ltd Dynamo-electric machines
FR1204192A (fr) * 1958-10-13 1960-01-25 Procédé de fabrication d'ensembles statoriques, du type à deux couronnes annulaires télescopiques en matière ferro-magnétique avec enroulements placés entre les deux couronnes, et les produits obtenus par ce procédé
US3014139A (en) * 1959-10-27 1961-12-19 Gen Electric Direct-cooled cable winding for electro magnetic device
US3134037A (en) * 1960-10-21 1964-05-19 Napier & Son Ltd Motor with hydrodynamic supported rotor
US3102964A (en) * 1961-04-13 1963-09-03 Black & Decker Mfg Co High-efficiency permanent magnet motor
US3128402A (en) * 1962-05-17 1964-04-07 Jr Owen D Amick Direct current generator
FR1341582A (fr) * 1962-09-11 1963-11-02 Electronique & Automatisme Sa Perfectionnements aux machines électriques tournantes
US3322986A (en) * 1964-04-03 1967-05-30 Sperry Rand Corp Gyroscopic rotor
US3275863A (en) * 1965-02-01 1966-09-27 Elliott M Norton Electric machine construction
FR1552560A (en:Method) * 1968-01-30 1969-01-03
US3729642A (en) * 1970-02-20 1973-04-24 E Esters Plural stator dynamoelectric machine
US3602749A (en) * 1970-02-20 1971-08-31 Ernie B Esters Dynamoelectric machine
US3858071A (en) * 1970-05-28 1974-12-31 Ibm High frequency, low inductance generator
US3663850A (en) * 1970-08-03 1972-05-16 Phelon Co Inc Field means for a dynamoelectric machine, magnet preassembly for use therein
US3659129A (en) * 1970-09-15 1972-04-25 Gen Electric Insulated bar dynamoelectric machine and method of forming
US4128364A (en) * 1972-11-23 1978-12-05 Papst-Motoren Kg Radial flow fan with motor cooling and resilient support of rotor shaft
US3845338A (en) * 1974-02-20 1974-10-29 Transicoil Inc Direct current shell armature motor
CH573678A5 (en:Method) * 1974-06-25 1976-03-15 Bbc Brown Boveri & Cie
US4114057A (en) * 1976-12-06 1978-09-12 Esters Ernie B Dynamoelectric machine with inner and outer stators
US4149309A (en) * 1977-07-27 1979-04-17 Mitsui Mfg. Co., Ltd. Laminated core manufacture
CH632877A5 (de) * 1978-12-14 1982-10-29 Bbc Brown Boveri & Cie Lamellierter pol fuer eine elektrische maschine mit ausgepraegten polen.
GB2075760A (en) * 1979-12-28 1981-11-18 Ibm Electric rotary actuators
JPS57211947A (en) * 1981-06-22 1982-12-25 Brother Ind Ltd Magnetic path forming member
US4451749A (en) * 1981-09-11 1984-05-29 Nippondenso Co., Ltd. AC Generator
ATE14957T1 (de) * 1982-02-18 1985-08-15 Acec Dynamoelektrische maschine mit doppel-luftspalt.
US4501980A (en) * 1982-06-04 1985-02-26 Motornetics Corporation High torque robot motor
US4553075A (en) * 1983-08-04 1985-11-12 Rotron Incorporated Simple brushless DC fan motor with reversing field
JPS60109738A (ja) * 1983-11-16 1985-06-15 Sato Raito Kogyo Kk モ−タ
JPS61240847A (ja) * 1985-04-17 1986-10-27 Secoh Giken Inc 小型電動フアン
JPH0244848B2 (ja) * 1985-07-10 1990-10-05 Nippon Oils & Fats Co Ltd Tosoyonetsukokaseijushisoseibutsu
US4731554A (en) * 1985-11-14 1988-03-15 Allied Corporation Low profile ring-shaped motor
US4734606A (en) * 1985-11-20 1988-03-29 Hajec Chester S Electric motor with ferrofluid bearing
MX161230A (es) * 1985-12-23 1990-08-24 Unique Mobility Inc Mejoras en transductor electromagnetico de peso ligero
US4949022A (en) * 1989-01-27 1990-08-14 Lipman Leonard H Solid state DC fan motor
DE3929331C1 (de) * 1989-09-04 1990-12-13 Buehler Gmbh Nachf Geb Verfahren zur Herstellung und zum Bewickeln von für Elektro-Motore mit Innenläufer bestimmten Statorblechpaketen
JP3094071B2 (ja) * 1993-02-26 2000-10-03 運輸省港湾技術研究所長 混合処理土の品質試験システム

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4364169A (en) * 1980-10-24 1982-12-21 Nippondenso Co., Ltd. Method of producing a stator iron core
US4900965A (en) * 1988-09-28 1990-02-13 Fisher Technology, Inc. Lightweight high power electromotive device
US5075606A (en) * 1989-01-27 1991-12-24 Lipman Leonard H Solid state DC fan motor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP0620952A4 *

Also Published As

Publication number Publication date
MX9300043A (es) 1993-11-01
DE69310714D1 (de) 1997-06-19
JPH07505038A (ja) 1995-06-01
TW221724B (en:Method) 1994-03-11
EP0620952A1 (en) 1994-10-26
EP0620952A4 (en) 1994-11-02
AU3433593A (en) 1993-08-03
CA2127557A1 (en) 1993-07-22
KR100194190B1 (ko) 1999-06-15
AU662801B2 (en) 1995-09-14
DE69310714T2 (de) 1997-10-30
ES2104124T3 (es) 1997-10-01
CA2127557C (en) 1997-04-08
EP0620952B1 (en) 1997-05-14
KR940704077A (ko) 1994-12-12
US5212419A (en) 1993-05-18

Similar Documents

Publication Publication Date Title
EP0620952B1 (en) Lightweight high power electromotive device
US4900965A (en) Lightweight high power electromotive device
US11374442B2 (en) Multi-tunnel electric motor/generator
US11502570B2 (en) Multi-tunnel electric machine
EP1068662B1 (en) Electrical machine element
EP0193929B1 (en) Method for making a servomotor
EP0230639B1 (en) Lightweight high power electromagnetic transducer
US7294948B2 (en) Rotor-stator structure for electrodynamic machines
US6960862B2 (en) Electric machine with soft magnetic teeth
US20030011267A1 (en) Harmonic-frequency synchronous machine with flux concentration
WO2003067740A1 (en) Rotary electric motor having at least three axially aligned stator poles and/or rotor poles
JPH08126277A (ja) フラット回転機
US20080054733A1 (en) Slotless Ac Induction Motor
US20080093950A1 (en) Polyphase Claw-Pole Machines With a Segmented Magnetic Circuit
WO2006047499A2 (en) Rotor-stator structure for electrodynamic machines
CA2051118C (en) Lightweight high power electromotive device
US20250192636A1 (en) A bobbin
EP1017151A2 (en) Stator for high-speed radial flux machines
JP2003274581A (ja) 同期機
WO2025165899A1 (en) Electric machine with rotor magnet overhang
EP0151509A1 (en) Disc-armature electric machines
MXPA00009625A (en) Electrical machine element

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AU CA JP KR

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LU MC NL PT SE

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
WWE Wipo information: entry into national phase

Ref document number: 2127557

Country of ref document: CA

WWE Wipo information: entry into national phase

Ref document number: 1993902941

Country of ref document: EP

WWP Wipo information: published in national office

Ref document number: 1993902941

Country of ref document: EP

WWG Wipo information: grant in national office

Ref document number: 1993902941

Country of ref document: EP