WO1993014552A1 - Lightweight high power electromotive device - Google Patents
Lightweight high power electromotive device Download PDFInfo
- 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
- 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.)
- Ceased
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)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Filling, Topping-Up Batteries (AREA)
- Hybrid Cells (AREA)
- Electrotherapy Devices (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU34335/93A AU662801B2 (en) | 1992-01-10 | 1993-01-07 | Lightweight high power electromotive device |
| JP5512529A JPH07505038A (ja) | 1992-01-10 | 1993-01-07 | 軽量のハイパワー電動兼発電装置 |
| DE69310714T DE69310714T2 (de) | 1992-01-10 | 1993-01-07 | Elektromotorische leichtgewichtsvorrichtung von hoher leistung |
| 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 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/820,287 US5212419A (en) | 1992-01-10 | 1992-01-10 | Lightweight high power electromotive device |
| US07/820,287 | 1992-01-10 |
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 Ceased WO1993014552A1 (en) | 1992-01-10 | 1993-01-07 | Lightweight high power electromotive device |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US5212419A (https=) |
| EP (1) | EP0620952B1 (https=) |
| JP (1) | JPH07505038A (https=) |
| KR (1) | KR100194190B1 (https=) |
| AU (1) | AU662801B2 (https=) |
| CA (1) | CA2127557C (https=) |
| DE (1) | DE69310714T2 (https=) |
| ES (1) | ES2104124T3 (https=) |
| MX (1) | MX9300043A (https=) |
| TW (1) | TW221724B (https=) |
| WO (1) | WO1993014552A1 (https=) |
Families Citing this family (67)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU3466893A (en) * | 1992-01-29 | 1993-09-01 | Stridsberg Innovation Ab | Brushless DC motors/generators |
| 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 |
| WO1998033263A1 (en) * | 1997-01-24 | 1998-07-30 | 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 |
| MXPA01009479A (es) * | 2000-01-20 | 2002-06-04 | Bosch Gmbh Robert | Procedimiento para la fabricacion de un nucleo excitable magneticamente para el embobinado de nucleo de una maquina electrica de un nucleo excitable magneticamente fabricado segun el procedimiento con embobinado de acuerdo con el procedimiento. |
| 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 |
| US6744166B2 (en) | 2001-01-04 | 2004-06-01 | Emerson Electric Co. | End cap assembly for a switched reluctance electric machine |
| US6700284B2 (en) | 2001-03-26 | 2004-03-02 | Emerson Electric Co. | Fan assembly including a segmented stator switched reluctance fan motor |
| US6897591B2 (en) | 2001-03-26 | 2005-05-24 | Emerson Electric Co. | Sensorless switched reluctance electric machine with segmented stator |
| 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 |
| WO2002063760A1 (en) * | 2001-02-08 | 2002-08-15 | 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 |
| US7417334B2 (en) * | 2003-07-08 | 2008-08-26 | Shiro Kinpara | Wind power generation system, arrangement of permanent magnets, and electrical power-mechanical force converter |
| SI21830A (sl) * | 2004-05-25 | 2005-12-31 | Marko Petek | Sinhronski elektromehanski pretvornik |
| US7723888B2 (en) * | 2004-05-25 | 2010-05-25 | Marko Petek | Synchronous electromechanical transformer |
| 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 |
| US20070114870A1 (en) * | 2005-11-23 | 2007-05-24 | Daewood Electronic Corporation | Induction motor capable of utilizing magnetic fluxes of end-turns of a stator to increase torque of a rotor |
| 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 |
| US7973446B2 (en) | 2007-05-09 | 2011-07-05 | Motor Excellence, Llc | Electrical devices having tape wound core laminate rotor or stator elements |
| 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 |
| EP2342803A2 (en) * | 2008-11-03 | 2011-07-13 | Motor Excellence, LLC | Transverse and/or commutated flux system rotor concepts |
| US8084909B2 (en) * | 2009-04-09 | 2011-12-27 | Goodzeit Carl L | Dual armature motor/generator with flux linkage |
| WO2011041403A2 (en) * | 2009-09-29 | 2011-04-07 | A. O. Smith Corporation | Air cooled electric motor |
| WO2011115634A1 (en) * | 2010-03-15 | 2011-09-22 | Motor Excellence Llc | Transverse and/or commutated flux systems having phase offset |
| WO2011115632A1 (en) | 2010-03-15 | 2011-09-22 | Motor Excellence Llc | Transverse and/or commutated flux systems configured to provide reduced flux leakage, hysteresis loss reduction, and phase matching |
| WO2011115633A1 (en) * | 2010-03-15 | 2011-09-22 | Motor Excellence Llc | Transverse and/or commutated flux system for electric bicycles |
| 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 |
| US8952590B2 (en) | 2010-11-17 | 2015-02-10 | Electric Torque Machines Inc | Transverse and/or commutated flux systems having laminated and powdered metal portions |
| US8854171B2 (en) | 2010-11-17 | 2014-10-07 | Electric Torque Machines Inc. | Transverse and/or commutated flux system coil concepts |
| CN103477538A (zh) | 2010-11-17 | 2013-12-25 | 电动转矩机器公司 | 具有分段定子层压件的横向和/或换向磁通系统 |
| 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 |
| WO2017024409A1 (en) | 2015-08-11 | 2017-02-16 | Genesis Robotics Llp | Electric machine |
| 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 |
| ES3064098T3 (en) * | 2021-10-22 | 2026-04-22 | Ge Vernova Renovables Espana S L | Electrical machine tooth assemblies and methods |
Citations (3)
| 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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US497001A (en) * | 1893-05-09 | Rookes evelyn | ||
| US464026A (en) * | 1891-12-01 | Transformer and armature-core | ||
| 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 (https=) * | 1968-01-30 | 1969-01-03 | ||
| US3602749A (en) * | 1970-02-20 | 1971-08-31 | Ernie B Esters | Dynamoelectric machine |
| US3729642A (en) * | 1970-02-20 | 1973-04-24 | E Esters | Plural stator 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 (https=) * | 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 |
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| US4949022A (en) * | 1989-01-27 | 1990-08-14 | Lipman Leonard H | Solid state DC fan motor |
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| 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 |
-
1992
- 1992-01-10 US US07/820,287 patent/US5212419A/en not_active Expired - Lifetime
- 1992-12-04 TW TW081109727A patent/TW221724B/zh active
-
1993
- 1993-01-07 MX MX9300043A patent/MX9300043A/es unknown
- 1993-01-07 KR KR1019940702418A patent/KR100194190B1/ko not_active Expired - Fee Related
- 1993-01-07 CA CA002127557A patent/CA2127557C/en not_active Expired - Fee Related
- 1993-01-07 AU AU34335/93A patent/AU662801B2/en not_active Ceased
- 1993-01-07 WO PCT/US1993/000058 patent/WO1993014552A1/en not_active Ceased
- 1993-01-07 JP JP5512529A patent/JPH07505038A/ja active Pending
- 1993-01-07 EP EP93902941A patent/EP0620952B1/en not_active Expired - Lifetime
- 1993-01-07 DE DE69310714T patent/DE69310714T2/de not_active Expired - Fee Related
- 1993-01-07 ES ES93902941T patent/ES2104124T3/es not_active Expired - Lifetime
Patent Citations (3)
| 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)
| Title |
|---|
| See also references of EP0620952A4 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0620952A4 (en) | 1994-11-02 |
| DE69310714D1 (de) | 1997-06-19 |
| ES2104124T3 (es) | 1997-10-01 |
| EP0620952A1 (en) | 1994-10-26 |
| CA2127557C (en) | 1997-04-08 |
| DE69310714T2 (de) | 1997-10-30 |
| EP0620952B1 (en) | 1997-05-14 |
| KR100194190B1 (ko) | 1999-06-15 |
| AU662801B2 (en) | 1995-09-14 |
| AU3433593A (en) | 1993-08-03 |
| JPH07505038A (ja) | 1995-06-01 |
| MX9300043A (es) | 1993-11-01 |
| KR940704077A (ko) | 1994-12-12 |
| US5212419A (en) | 1993-05-18 |
| TW221724B (https=) | 1994-03-11 |
| CA2127557A1 (en) | 1993-07-22 |
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