CA2537107C - Circuitry for increasing efficiency of a linear electric generator - Google Patents

Circuitry for increasing efficiency of a linear electric generator Download PDF

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Publication number
CA2537107C
CA2537107C CA2537107A CA2537107A CA2537107C CA 2537107 C CA2537107 C CA 2537107C CA 2537107 A CA2537107 A CA 2537107A CA 2537107 A CA2537107 A CA 2537107A CA 2537107 C CA2537107 C CA 2537107C
Authority
CA
Canada
Prior art keywords
coil
coils
pma
sections
terminals
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.)
Expired - Fee Related
Application number
CA2537107A
Other languages
English (en)
French (fr)
Other versions
CA2537107A1 (en
Inventor
David B. Stewart
Henry I. Schanzer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ocean Power Technologies Inc
Original Assignee
Ocean Power Technologies 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 Ocean Power Technologies Inc filed Critical Ocean Power Technologies Inc
Publication of CA2537107A1 publication Critical patent/CA2537107A1/en
Application granted granted Critical
Publication of CA2537107C publication Critical patent/CA2537107C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
    • H02P25/06—Linear motors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electromagnetism (AREA)
  • Rectifiers (AREA)
  • Control Of Eletrric Generators (AREA)
  • Linear Motors (AREA)
  • Coils Of Transformers For General Uses (AREA)
  • Ac-Ac Conversion (AREA)
CA2537107A 2004-03-16 2005-03-15 Circuitry for increasing efficiency of a linear electric generator Expired - Fee Related CA2537107C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US55366604P 2004-03-16 2004-03-16
US60/553,666 2004-03-16
US11/030,933 US7397152B2 (en) 2004-03-16 2005-01-07 Circuitry for increasing efficiency of a linear electric generator
US11/030,933 2005-01-07
PCT/US2005/008463 WO2005089281A2 (en) 2004-03-16 2005-03-15 Circuitry for increasing efficiency of a linear electric generator

Publications (2)

Publication Number Publication Date
CA2537107A1 CA2537107A1 (en) 2005-09-29
CA2537107C true CA2537107C (en) 2013-10-29

Family

ID=34985517

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2537107A Expired - Fee Related CA2537107C (en) 2004-03-16 2005-03-15 Circuitry for increasing efficiency of a linear electric generator

Country Status (8)

Country Link
US (1) US7397152B2 (https=)
EP (1) EP1741177B1 (https=)
JP (1) JP4829214B2 (https=)
AU (1) AU2005222959B2 (https=)
CA (1) CA2537107C (https=)
ES (1) ES2769243T3 (https=)
NO (1) NO20061963L (https=)
WO (1) WO2005089281A2 (https=)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7323790B2 (en) * 2005-03-15 2008-01-29 Ocean Power Technologies, Inc. Wave energy converters (WECs) with linear electric generators (LEGs)
US7525203B1 (en) * 2005-08-11 2009-04-28 Jeffrey Racho Back-up electric power generator for electronic components attached to automatic firearms
US7554215B1 (en) * 2007-07-03 2009-06-30 Paul Caragine Generator and method for generating electricity from subsurface currents
TWI368381B (en) * 2008-12-22 2012-07-11 Ind Tech Res Inst High efficient power generating module
WO2010104565A2 (en) * 2009-03-09 2010-09-16 Natural Power Concepts, Inc. System and method for generating electricity using grid of wind and water energy capture devices
US8907505B2 (en) * 2011-08-03 2014-12-09 Energy Harvesters Llc Method and apparatus for generating electrical energy
US8836156B2 (en) 2012-01-11 2014-09-16 Richard Alan Neifeld Fluid flow energy converter
JP5921005B2 (ja) * 2012-05-02 2016-05-24 三菱電機エンジニアリング株式会社 振動発電機
US9624900B2 (en) 2012-10-29 2017-04-18 Energystics, Ltd. Linear faraday induction generator for the generation of electrical power from ocean wave kinetic energy and arrangements thereof
US8629572B1 (en) * 2012-10-29 2014-01-14 Reed E. Phillips Linear faraday induction generator for the generation of electrical power from ocean wave kinetic energy and arrangements thereof
US10011910B2 (en) 2012-10-29 2018-07-03 Energystics, Ltd. Linear faraday induction generator for the generation of electrical power from ocean wave kinetic energy and arrangements thereof
GB2570837B (en) 2016-11-10 2021-11-24 Ocean Power Tech Inc High DC voltage to low DC voltage conversion apparatus including rechargeable batteries
US10352290B2 (en) * 2017-02-14 2019-07-16 The Texas A&M University System Method and apparatus for wave energy conversion
US10047717B1 (en) 2018-02-05 2018-08-14 Energystics, Ltd. Linear faraday induction generator for the generation of electrical power from ocean wave kinetic energy and arrangements thereof
CN110336444A (zh) * 2019-08-15 2019-10-15 赵景焕 一种直线往返直流变频发电装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2063574B (en) * 1979-11-13 1984-03-14 Standard Telephones Cables Ltd Static commutation of electric generators
US4649283A (en) * 1985-08-20 1987-03-10 Sunpower, Inc. Multi-phase linear alternator driven by free-piston Stirling engine
US5347186A (en) * 1992-05-26 1994-09-13 Mcq Associates, Inc. Linear motion electric power generator
US6359365B1 (en) * 2000-08-04 2002-03-19 American Superconductor Corporation Superconducting synchronous machine field winding protection
JP2003199313A (ja) * 2001-12-26 2003-07-11 Hiroshi Hosaka 振動発電機
ES2282505T3 (es) * 2002-01-08 2007-10-16 Seabased Ab Unidad y planta olamotriz para la produccion de energia electrica y un metodo para generar energia electrica.
US6812598B2 (en) 2002-02-19 2004-11-02 Rockwell Scientific Licensing, Llc Multiple magnet transducer with differential magnetic strengths
WO2004045050A1 (ja) * 2002-11-11 2004-05-27 Mitsubishi Denki Kabushiki Kaisha 車両用三相交流発電機

Also Published As

Publication number Publication date
WO2005089281A2 (en) 2005-09-29
EP1741177A2 (en) 2007-01-10
AU2005222959A1 (en) 2005-09-29
US20050206247A1 (en) 2005-09-22
EP1741177B1 (en) 2019-11-27
NO20061963L (no) 2006-12-18
JP4829214B2 (ja) 2011-12-07
EP1741177A4 (en) 2010-07-28
US7397152B2 (en) 2008-07-08
CA2537107A1 (en) 2005-09-29
AU2005222959B2 (en) 2009-08-13
WO2005089281A3 (en) 2006-12-21
JP2007529985A (ja) 2007-10-25
ES2769243T3 (es) 2020-06-25

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Legal Events

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EEER Examination request
MKLA Lapsed

Effective date: 20220301

MKLA Lapsed

Effective date: 20200831