SE0001302L - En elektrisk maskin - Google Patents

En elektrisk maskin

Info

Publication number
SE0001302L
SE0001302L SE0001302A SE0001302A SE0001302L SE 0001302 L SE0001302 L SE 0001302L SE 0001302 A SE0001302 A SE 0001302A SE 0001302 A SE0001302 A SE 0001302A SE 0001302 L SE0001302 L SE 0001302L
Authority
SE
Sweden
Prior art keywords
magnetic flux
permanent magnet
magnet elements
winding
path
Prior art date
Application number
SE0001302A
Other languages
English (en)
Other versions
SE0001302D0 (sv
SE521607C2 (sv
Inventor
Lars Gertmar
Chandur Sadarangani
Waqas M Arshad
Original Assignee
Abb Ab
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 Abb Ab filed Critical Abb Ab
Priority to SE0001302A priority Critical patent/SE521607C2/sv
Publication of SE0001302D0 publication Critical patent/SE0001302D0/sv
Priority to AU2001247013A priority patent/AU2001247013B2/en
Priority to PCT/SE2001/000773 priority patent/WO2001078218A1/en
Priority to AT01920067T priority patent/ATE450076T1/de
Priority to JP2001574964A priority patent/JP4769402B2/ja
Priority to US10/240,723 priority patent/US6700229B2/en
Priority to CZ2002-3306A priority patent/CZ304690B6/cs
Priority to EP01920067A priority patent/EP1269610B1/en
Priority to JP2001574965A priority patent/JP4878718B2/ja
Priority to AU2001247012A priority patent/AU2001247012B2/en
Priority to US10/240,724 priority patent/US6717297B2/en
Priority to DE60140606T priority patent/DE60140606D1/de
Priority to PCT/SE2001/000774 priority patent/WO2001078219A1/en
Priority to RU2002129887/11A priority patent/RU2271596C2/ru
Priority to KR1020027013464A priority patent/KR100854606B1/ko
Priority to KR1020027013307A priority patent/KR100814308B1/ko
Priority to AU4701201A priority patent/AU4701201A/xx
Priority to CZ20023308A priority patent/CZ20023308A3/cs
Priority to AU4701301A priority patent/AU4701301A/xx
Priority to RU2002129892/11A priority patent/RU2273086C2/ru
Priority to EP01920068A priority patent/EP1269611B1/en
Publication of SE0001302L publication Critical patent/SE0001302L/sv
Publication of SE521607C2 publication Critical patent/SE521607C2/sv

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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/12—Engines characterised by fuel-air mixture compression with compression ignition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B71/00—Free-piston engines; Engines without rotary main shaft
    • F02B71/04—Adaptations of such engines for special use; Combinations of such engines with apparatus driven thereby
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K35/00—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
    • H02K35/02—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit with moving magnets and stationary coil systems
    • 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
    • H02K7/1869—Linear generators; sectional generators
    • H02K7/1876—Linear generators; sectional generators with reciprocating, linearly oscillating or vibrating parts
    • H02K7/1884—Linear generators; sectional generators with reciprocating, linearly oscillating or vibrating parts structurally associated with free piston engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
    • F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
    • F02B63/041—Linear electric generators
    • 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
    • H02K1/14—Stator cores with salient poles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K99/00—Subject matter not provided for in other groups of this subclass
    • H02K99/10—Generators

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Linear Motors (AREA)
  • Windings For Motors And Generators (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
SE0001302A 2000-04-07 2000-04-07 En linjär elektrisk maskin SE521607C2 (sv)

Priority Applications (21)

Application Number Priority Date Filing Date Title
SE0001302A SE521607C2 (sv) 2000-04-07 2000-04-07 En linjär elektrisk maskin
EP01920068A EP1269611B1 (en) 2000-04-07 2001-04-06 An electrical machine
US10/240,724 US6717297B2 (en) 2000-04-07 2001-04-06 Electrical machine
PCT/SE2001/000774 WO2001078219A1 (en) 2000-04-07 2001-04-06 An electrical machine
AT01920067T ATE450076T1 (de) 2000-04-07 2001-04-06 Elektrische maschine
JP2001574964A JP4769402B2 (ja) 2000-04-07 2001-04-06 電気機械
US10/240,723 US6700229B2 (en) 2000-04-07 2001-04-06 Electrical machine
CZ2002-3306A CZ304690B6 (cs) 2000-04-07 2001-04-06 Elektrický stroj
EP01920067A EP1269610B1 (en) 2000-04-07 2001-04-06 An electrical machine
JP2001574965A JP4878718B2 (ja) 2000-04-07 2001-04-06 電気機械
AU2001247012A AU2001247012B2 (en) 2000-04-07 2001-04-06 An electrical machine
AU2001247013A AU2001247013B2 (en) 2000-04-07 2001-04-06 An electrical machine
DE60140606T DE60140606D1 (de) 2000-04-07 2001-04-06 Elektrische maschine
PCT/SE2001/000773 WO2001078218A1 (en) 2000-04-07 2001-04-06 An electrical machine
RU2002129887/11A RU2271596C2 (ru) 2000-04-07 2001-04-06 Электрическая машина
KR1020027013464A KR100854606B1 (ko) 2000-04-07 2001-04-06 전기 머신
KR1020027013307A KR100814308B1 (ko) 2000-04-07 2001-04-06 전기 장치
AU4701201A AU4701201A (en) 2000-04-07 2001-04-06 An electrical machine
CZ20023308A CZ20023308A3 (cs) 2000-04-07 2001-04-06 Elektrický stroj
AU4701301A AU4701301A (en) 2000-04-07 2001-04-06 An electrical machine
RU2002129892/11A RU2273086C2 (ru) 2000-04-07 2001-04-06 Электрическая машина

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0001302A SE521607C2 (sv) 2000-04-07 2000-04-07 En linjär elektrisk maskin

Publications (3)

Publication Number Publication Date
SE0001302D0 SE0001302D0 (sv) 2000-04-07
SE0001302L true SE0001302L (sv) 2001-10-08
SE521607C2 SE521607C2 (sv) 2003-11-18

Family

ID=20279239

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0001302A SE521607C2 (sv) 2000-04-07 2000-04-07 En linjär elektrisk maskin

Country Status (11)

Country Link
US (2) US6717297B2 (sv)
EP (2) EP1269610B1 (sv)
JP (2) JP4878718B2 (sv)
KR (2) KR100854606B1 (sv)
AT (1) ATE450076T1 (sv)
AU (4) AU2001247013B2 (sv)
CZ (2) CZ20023308A3 (sv)
DE (1) DE60140606D1 (sv)
RU (2) RU2271596C2 (sv)
SE (1) SE521607C2 (sv)
WO (2) WO2001078219A1 (sv)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3711333B2 (ja) * 2001-07-27 2005-11-02 沖電気工業株式会社 半導体装置の製造方法および樹脂封止装置
SE524861C2 (sv) * 2002-08-14 2004-10-12 Abb Ab En elektrisk maskin samt användning därav
DE10344250A1 (de) * 2003-09-23 2005-05-04 Bosch Rexroth Ag Schalteinheit mit Rastfunktion für ein Werkzeug
US7124720B2 (en) * 2004-03-25 2006-10-24 Ford Global Technologies, Llc Permanent magnet electromagnetic actuator for an electronic valve actuation system of an engine
KR100603943B1 (ko) * 2004-10-22 2006-07-25 한국전기연구원 횡자속 선형 전동기를 이용한 양방향 구동형 압축기
US20080309171A1 (en) * 2004-11-11 2008-12-18 Abb Research Ltd. Linear Transverse Flux Machine
EP1810393A1 (en) * 2004-11-11 2007-07-25 Abb Research Ltd. Rotating transverse flux machine
US7576454B2 (en) * 2005-05-23 2009-08-18 Ciiis, Llc Multiple magnet coil in gap generator
FR2893780A1 (fr) * 2005-11-22 2007-05-25 Schneider Electric Ind Sas Dispositif autonome de generation d'energie electrique
JPWO2007116508A1 (ja) * 2006-03-31 2009-08-20 株式会社日立製作所 リニアモータ
US20080022686A1 (en) * 2006-07-31 2008-01-31 Caterpillar Inc. Powertrain and method including HCCI engine
US20080039262A1 (en) * 2006-08-10 2008-02-14 Caterpillar Inc. Vehicle drivetrain having hydraulic power assist
US7868511B2 (en) 2007-05-09 2011-01-11 Motor Excellence, Llc Electrical devices using disk and non-disk shaped rotors
WO2008141224A1 (en) 2007-05-09 2008-11-20 Motor Excellence, Llc. Generators using electromagnetic rotors
US7956753B2 (en) * 2008-05-06 2011-06-07 Fogg Filler Company Tether apparatus
EP2342800A2 (en) 2008-11-03 2011-07-13 Motor Excellence, LLC Polyphase transverse and/or commutated flux systems
US8319366B2 (en) * 2008-12-10 2012-11-27 Juan Andujar System for converting tidal wave energy into electric energy
US8096118B2 (en) * 2009-01-30 2012-01-17 Williams Jonathan H Engine for utilizing thermal energy to generate electricity
US20100194117A1 (en) * 2009-02-05 2010-08-05 Schlumberger Technology Corporation Electromagnetic device having compact flux paths for harvesting energy from vibrations
JP2010213509A (ja) * 2009-03-11 2010-09-24 Univ Of Fukui 横磁束型同期機
MX2011011131A (es) * 2009-04-22 2012-01-31 Dynamic Energy Technologies Llc Dispositivo para conversion de energia.
US9169772B2 (en) 2013-03-27 2015-10-27 Differential Dynamics Corporation One-stroke internal combustion engine
JP5525408B2 (ja) * 2009-11-09 2014-06-18 山洋電気株式会社 電気機械装置
JP5375658B2 (ja) * 2010-02-22 2013-12-25 ブラザー工業株式会社 振動発電機
EP2541743B1 (en) * 2010-02-22 2019-06-12 Brother Kogyo Kabushiki Kaisha Oscillating power generator
JP5748161B2 (ja) 2010-03-15 2015-07-15 エレクトリック トルク マシーンズ インコーポレイテッド 位相オフセットを有する横方向および／または整流磁束システム
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
US8395291B2 (en) 2010-03-15 2013-03-12 Electric Torque Machines, Inc. Transverse and/or commutated flux systems for electric bicycles
DE102010035395B4 (de) * 2010-08-25 2015-02-12 Siemens Aktiengesellschaft Medizinische Untersuchungs- oder Behandlungseinrichtung
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
EP2641316B1 (en) 2010-11-17 2019-02-13 Motor Excellence, LLC Transverse and/or commutated flux systems having segmented stator laminations
US8662029B2 (en) * 2010-11-23 2014-03-04 Etagen, Inc. High-efficiency linear combustion engine
DE102011101932A1 (de) * 2010-11-25 2012-05-31 Baumüller Nürnberg GmbH Elektrische Maschine
CN102104312B (zh) * 2011-03-17 2013-05-01 浙江理工大学 圆筒形双层绕组直线永磁同步发电机
JP5750340B2 (ja) * 2011-09-05 2015-07-22 山洋電気株式会社 電気機械
EP2584683B1 (en) * 2011-10-21 2020-03-18 Université de Liège Energy harvesting system using several energy sources.
US8841789B2 (en) 2011-10-28 2014-09-23 Juan Andujar Hybrid electro magnetic hydro kinetic high pressure propulsion generator
US20130300220A1 (en) * 2012-05-14 2013-11-14 Gene J. Weiss System and methods for generating electricity
GB2503015A (en) 2012-06-14 2013-12-18 Isis Innovation Stator core module and reinforced armature in a linear electromechanical transducer
CN104953780A (zh) 2012-08-03 2015-09-30 埃塞克科技有限公司 模块化旋转横向磁通发电机
US9206672B2 (en) 2013-03-15 2015-12-08 Fastcap Systems Corporation Inertial energy generator for supplying power to a downhole tool
TWI491145B (zh) * 2013-04-30 2015-07-01 Ghing Hsin Dien 電動機
FR3018405B1 (fr) * 2014-03-05 2017-11-03 Jean Baptiste Drevet Generateur electrique a aimants permanents dote d`un collecteur de flux magnetique
SE541880C2 (sv) * 2015-01-19 2020-01-02 Noditech Ab Anordning i en värmecykel för omvandling av värme till elektrisk energi
RU2707266C1 (ru) * 2019-06-19 2019-11-26 Глеб Германович Кравцов Газокинетический трансформатор "Паротранс"

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58165656A (ja) * 1982-03-26 1983-09-30 Yaskawa Electric Mfg Co Ltd 永久磁石形リニヤステツピングモ−タ
EP0120986A1 (de) * 1983-03-31 1984-10-10 Z U V "Progress" Verfahren für die Stromerzeugung bei einem zyklischen Verbrennungsprozess
JPH0295162A (ja) * 1988-09-27 1990-04-05 Matsushita Electric Works Ltd リニアステップモータ
JPH02246762A (ja) * 1989-03-18 1990-10-02 Hitachi Ltd リニアモータ
DE3915623C1 (en) * 1989-05-12 1990-12-20 Herbert Prof. Dr.-Ing. 3300 Braunschweig De Weh Permanent magnet electrical machine - has magnetic flow direction crossing direction of motor movement and permanent magnetic excitation
SE463061B (sv) 1989-11-20 1990-10-01 Svante Gustav Adolf Von Zweygb Permanentmagnetiserad synkronmaskin utformad enligt transversalfloedesprincipen
US5734209A (en) * 1990-01-10 1998-03-31 Uniflo Oilcorp, Ltd. Linear electric motor and method of using and constructing same
US5347186A (en) 1992-05-26 1994-09-13 Mcq Associates, Inc. Linear motion electric power generator
US5276372A (en) * 1992-06-22 1994-01-04 Hammer Charles F Reciprocating electric motor
JPH0787722A (ja) 1993-09-13 1995-03-31 Oriental Motor Co Ltd リニアモータ
DE19507233C2 (de) * 1994-04-15 1998-03-12 Weh Herbert Prof Dr Ing Dr H C Transversalflußmaschine mit Permanenterregung und mehrsträngiger Ankerwicklung
JPH07329783A (ja) * 1994-06-15 1995-12-19 East Japan Railway Co リニア同期モータ駆動式電気転てつ機
US5696413A (en) * 1994-10-24 1997-12-09 Aqua Magnetics, Inc. Reciprocating electric generator
GB2300312B (en) * 1995-04-27 1999-11-24 Blum Gmbh A polyphase transverse flux machine
DE19522382C1 (de) * 1995-06-23 1996-12-19 Voith Gmbh J M Transversalflußmaschine zum Einsatz in einem Direktantrieb für Fahrzeuge, insbesondere Bahnantrieb
US5924975A (en) * 1995-08-30 1999-07-20 International Business Machines Corporation Linear pump
US5788003A (en) 1996-01-29 1998-08-04 Spiers; Kent Electrically powered motor vehicle with linear electric generator
US5693991A (en) * 1996-02-09 1997-12-02 Medis El Ltd. Synchronous twin reciprocating piston apparatus
JP3791082B2 (ja) * 1996-12-04 2006-06-28 株式会社安川電機 リニアモータ
US5945748A (en) * 1997-04-29 1999-08-31 Lg Electronics, Inc. Linear motor structure for linear compressor
JPH10332214A (ja) * 1997-05-29 1998-12-15 Aisin Seiki Co Ltd リニアコンプレッサ
AU8877398A (en) * 1997-10-04 1999-04-27 Wei-Min Zhang Linear motor compressor
DE19811075A1 (de) * 1998-03-13 1999-09-16 Blum Gmbh Einseitige, mehrphasige Transversalflußmaschine
DE19818035A1 (de) * 1998-04-22 1999-10-28 Bayerische Motoren Werke Ag Transversalflußmaschine
US6246561B1 (en) * 1998-07-31 2001-06-12 Magnetic Revolutions Limited, L.L.C Methods for controlling the path of magnetic flux from a permanent magnet and devices incorporating the same
JP3395155B2 (ja) * 1999-05-07 2003-04-07 株式会社日立製作所 リニアモータ及びその製造方法
US6501357B2 (en) * 2000-03-16 2002-12-31 Quizix, Inc. Permanent magnet actuator mechanism

Also Published As

Publication number Publication date
US6700229B2 (en) 2004-03-02
AU4701201A (en) 2001-10-23
JP2003534759A (ja) 2003-11-18
AU2001247012B2 (en) 2004-12-09
SE0001302D0 (sv) 2000-04-07
US20030048019A1 (en) 2003-03-13
JP4769402B2 (ja) 2011-09-07
EP1269611A1 (en) 2003-01-02
US20030048018A1 (en) 2003-03-13
KR100854606B1 (ko) 2008-08-27
CZ20023306A3 (cs) 2003-01-15
ATE450076T1 (de) 2009-12-15
EP1269610B1 (en) 2009-11-25
CZ20023308A3 (cs) 2003-02-12
WO2001078218A1 (en) 2001-10-18
KR20030021156A (ko) 2003-03-12
WO2001078219A1 (en) 2001-10-18
KR100814308B1 (ko) 2008-03-18
RU2002129887A (ru) 2004-03-10
SE521607C2 (sv) 2003-11-18
EP1269611B1 (en) 2012-10-03
DE60140606D1 (de) 2010-01-07
EP1269610A1 (en) 2003-01-02
JP2004500800A (ja) 2004-01-08
RU2271596C2 (ru) 2006-03-10
JP4878718B2 (ja) 2012-02-15
US6717297B2 (en) 2004-04-06
RU2002129892A (ru) 2004-03-10
KR20020087475A (ko) 2002-11-22
AU4701301A (en) 2001-10-23
AU2001247013B2 (en) 2005-06-30
CZ304690B6 (cs) 2014-09-03
RU2273086C2 (ru) 2006-03-27

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