NO338432B1 - High speed rotor. Motor units (M) that will allow multiple units to be assembled into a larger and more powerful unit. The motor unit is then used in series to provide high rotational speed - Google Patents

High speed rotor. Motor units (M) that will allow multiple units to be assembled into a larger and more powerful unit. The motor unit is then used in series to provide high rotational speed Download PDF

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Publication number
NO338432B1
NO338432B1 NO20160103A NO20160103A NO338432B1 NO 338432 B1 NO338432 B1 NO 338432B1 NO 20160103 A NO20160103 A NO 20160103A NO 20160103 A NO20160103 A NO 20160103A NO 338432 B1 NO338432 B1 NO 338432B1
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Prior art keywords
unit
current
units
shaft
electricity
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NO20160103A
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Norwegian (no)
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NO20160103A1 (en
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Frode Olsen
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Frode Olsen
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Application filed by Frode Olsen filed Critical Frode Olsen
Priority to NO20160103A priority Critical patent/NO20160103A1/en
Priority to NO20160592A priority patent/NO338545B1/en
Priority to NO20160669A priority patent/NO338546B1/en
Priority to NO20161163A priority patent/NO338711B1/en
Publication of NO338432B1 publication Critical patent/NO338432B1/en
Publication of NO20160103A1 publication Critical patent/NO20160103A1/en

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/02—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor  having a plurality of rotors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/021—Units comprising pumps and their driving means containing a coupling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
    • B66C13/063—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads electrical
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
    • E21B43/121—Lifting well fluids
    • E21B43/128—Adaptation of pump systems with down-hole electric drives
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K16/00—Machines with more than one rotor or stator
    • H02K16/02—Machines with one stator and two or more rotors
    • 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
    • H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
    • H02K5/128—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas using air-gap sleeves or air-gap discs
    • H02K5/1285—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas using air-gap sleeves or air-gap discs of the submersible type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Fluid Mechanics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Manufacturing & Machinery (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Fluid-Driven Valves (AREA)
  • Eye Examination Apparatus (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Wind Motors (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Gyroscopes (AREA)

Description

Patentsøknad Patent application

Enhet (M) som vil gjøre det mulig å montere flere enheter sammen til en større og kraftigere enhet. Dette gjøres med at spor i deksel (14,15) skrus inn i hverandre når flere enheter (M) monteres sammen ved at akslingene (12 ,13) i enhetene (M) skrues inn i hverandre. Det kan benyttes antall enheter som er sammenkoblet etter behov. Enhet /ene (M) vil rotere på egen strømførende aksling som beskrevet i patentkravene. Unit (M) which will make it possible to assemble several units together into a larger and more powerful unit. This is done by screwing grooves in the cover (14,15) into each other when several units (M) are assembled together by screwing the shafts (12,13) in the units (M) into each other. You can use the number of units that are connected as needed. The unit(s) (M) will rotate on its own current-carrying shaft as described in the patent claims.

Enhetene benyttes så i serier for å gi høy The units are then used in series to provide hay

rotasjonshastighet. Dette gjøres med at første enhet (M1) rotation speed. This is done with the first unit (M1)

gir rotasjonskraft til aksling. Neste enhet (M2) roterer på denne roterende og strømførende akslingen. Dette medfører høy hastighet på enhetene (M2, M3), men lav hastighet på opplagringen mellom akslingene og enhetene. provides rotational power to the shaft. The next unit (M2) rotates on this rotating and current-carrying shaft. This results in a high speed of the units (M2, M3), but a low speed of the storage between the shafts and the units.

Enheten benyttes for energi produksjon, og enheten kan benyttes i maskiner som motorer. The unit is used for energy production, and the unit can be used in machines such as motors.

Kjent teknikk er Kelecy P M ET AL: "Control methodology for single stator, dual-rotor induction motor drives for electric vehicles", Power Electronics Specialists Conference, 1995. PESC '95 Record., 26th Annual IEEE Atlanta, GA, USA 18-22 June 1995, 1995.06.18; Known technique is Kelecy P M ET AL: "Control methodology for single stator, dual-rotor induction motor drives for electric vehicles", Power Electronics Specialists Conference, 1995. PESC '95 Record., 26th Annual IEEE Atlanta, GA, USA 18-22 June 1995, 1995.06.18;

1995.06.18 -1995.06.22, ISBN 978-0-7803-2730-6 ; 1995.06.18 -1995.06.22, ISBN 978-0-7803-2730-6 ;

ISBN 0-7803-2730-6 som beskriver en del generell teori for seriekopling av motor. ISBN 0-7803-2730-6 which describes some general theory for series connection of motors.

Publikasjonen vier ikke en detaljert anvisning for The publication does not provide detailed instructions for

anordning av de ulike delene. Publikasjonen nevner heller ikke et prinsipp med en strømleder i akslingens senter, ei heller oppdeling av akslingen i ulike enheter. Publikasjonen nevner heller ikke seriekopling av flere arrangement of the various parts. The publication also does not mention a principle with a current conductor in the center of the shaft, nor the division of the shaft into different units. The publication also does not mention the series connection of several

motorer utover to. engines beyond two.

Teknisk beskrivelse: Technical description:

FiQ. 1 ses som et tverrsnitt sett fra siden. Enhet (1) som har sylinderform (2) hvor anordning (3) med elektronikk tres inn på enheten og låses fast i spor slik at anordningene ikke vrir seg på enheten. Delene låses sammen med bolter og muttere. Delene kan også ha gjenger slik at delene skrues inn i hverandre. FiQ. 1 is seen as a cross-section seen from the side. Unit (1) which has a cylindrical shape (2) where device (3) with electronics is threaded onto the unit and locked in a slot so that the devices do not twist on the unit. The parts are locked together with bolts and nuts. The parts can also have threads so that the parts are screwed into each other.

Røret (2) kan ha strømledere som leder strøm inn til modulene med elektronikk (3). Modulene benyttes til omforming av strøm, signalstyring, regulator eller annen form for elektronikk. The pipe (2) may have current conductors that conduct current into the modules with electronics (3). The modules are used to transform power, signal control, regulators or other forms of electronics.

FiQ .2 ses som et tverrsnitt sett fra siden. To enheter (1) settes mot hverandre og det monteres på rotor / stator. Rotor / stator opplagres (4) på begge enhetene (1). Aksling monteres fast i senter på rotor / stator (5) Strømledere (5) i stator / rotor overfører elektrisitet fra aksling og inn på spole (6). Elektrisiteten kan også ledes inn på anordningene med elektronikk og omformes før den benyttes på stator / rotor. Det benyttes børster imellom stator / rotor og anordningene med elektronikk. Det kan også benyttes strømleder istedenfor for børster. FiQ .2 is seen as a cross-section seen from the side. Two units (1) are placed against each other and mounted on the rotor / stator. The rotor / stator is stored (4) on both units (1). The shaft is fixed in the center of the rotor / stator (5) Current conductors (5) in the stator / rotor transfer electricity from the shaft into the coil (6). The electricity can also be fed into the devices with electronics and transformed before it is used on the stator / rotor. Brushes are used between the stator / rotor and the devices with electronics. Current conductors can also be used instead of brushes.

Magneter / strømledere (7) monteres fast mellom enhetene (1). Magnets / current conductors (7) are fixed between the units (1).

FiQ.3 ses som et tverrsnitt sett fra siden. Aksling med strømleder/e i senter (8) skrues inn på aksling del (10) med strømledere på utsidene som leder elektrisitet inn på stator / rotor (5) Akslingen opplagres i begge endene (9). Deksel (11) tres inn på enheten og låses med bolter til modul enhetene (1). Deksel har spor på begge sidene (14,15) som benyttes når flere enheter (M) monteres sammen. Sporene (14,15) kan også benyttes med kontakter for å overføre elektrisitet / signal mellom flere enheter (M). Børster / strømledere (16) som overfører elektrisitet mellom stator / rotor og modulene / anordning med elektronikk. Det overførers også strøm til strømleder/e i aksling (10) via stator / rotor. Tilkobling i endene på aksling som har kontakt (12,13) slik at strømlederne i akslingene blir sammenhengende om flere enheter monteres sammen. FiQ.3 is seen as a cross-section seen from the side. Shaft with current conductor(s) in the center (8) is screwed onto the shaft part (10) with current conductors on the outside which conduct electricity into the stator / rotor (5) The shaft is stored at both ends (9). Cover (11) is threaded onto the unit and locked with bolts to the module units (1). The cover has grooves on both sides (14,15) which are used when several units (M) are assembled together. The tracks (14,15) can also be used with contacts to transfer electricity / signal between several units (M). Brushes / current conductors (16) which transmit electricity between the stator / rotor and the modules / device with electronics. Power is also transferred to the current conductor(s) in the shaft (10) via the stator / rotor. Connection at the ends of shafts that have contacts (12,13) so that the current conductors in the shafts are connected if several units are assembled together.

FiQ.4 viser figur sett fra siden. Deksel (17) med strøminntak monteres på enhet (M1). Benyttes det enheter på begge sidene på enhet (M1), så er strøminntaket på langsiden (14) til enhet (M1). Akslingene i enhet (M1) og i enhet (M2) skrues sammen (18) slik at strømlederne i akslingene blir sammenhengende. Det benyttes glatte deksel (20) slik at enhetene ikke kommer i kontakt med hverandre. Mellom enhet (M2) og enhet (M3) benyttes det en enhet (19) som skrues fast til enhet (M2). Enheten (19) har ikke kontakt med akslingen i enhet (M2). Enheten (19) har strømledere som overfører elektrisitet fra enhet (M2) til enhet (M3). Enheten (19) kan også benyttes som elektromagnet hvor elektrisiteten som passerer igjennom enheten benyttes som elektromagnet. Aksling i enhet (M3) skrues inn på enhet (19) slik at elektrisitet overføres til stator/ rotor i enhet (M3). Det benyttes glatt deksel (20) på enhet (M3) slik at det er kun aksling i enheten (M3) som er tilkoblet enhet (19) . FiQ.4 shows the figure seen from the side. Cover (17) with power inlet is mounted on unit (M1). If units are used on both sides of unit (M1), then the current intake is on the long side (14) of unit (M1). The shafts in unit (M1) and in unit (M2) are screwed together (18) so that the current conductors in the shafts are connected. A smooth cover (20) is used so that the units do not come into contact with each other. Between unit (M2) and unit (M3) a unit (19) is used which is screwed to unit (M2). The unit (19) does not have contact with the shaft in unit (M2). The unit (19) has current conductors that transfer electricity from unit (M2) to unit (M3). The unit (19) can also be used as an electromagnet where the electricity that passes through the unit is used as an electromagnet. Shaft in unit (M3) is screwed onto unit (19) so that electricity is transferred to stator/rotor in unit (M3). A smooth cover (20) is used on unit (M3) so that only the shaft in unit (M3) is connected to unit (19).

FiQ. 5 viser figur sett fra siden. To aksling deler (8) med strømleder i senter skrues inn på hver sin side på aksling del (10) med strømledere på utsiden. Elektrisitet som ledes igjennom akslingen vil overføres til stator / rotor via aksling del (10) med utvendige strømledere. Stator / rotor kan også bygges direkte på aksling del i midten (10). FiQ. 5 shows the figure seen from the side. Two shaft parts (8) with power conductors in the center are screwed in on either side of the shaft part (10) with power conductors on the outside. Electricity that is conducted through the shaft will be transferred to the stator / rotor via the shaft part (10) with external current conductors. Stator / rotor can also be built directly on the shaft part in the middle (10).

FiQ .6 viser figur sett fra siden med delen montert sammen. FiQ .6 shows the figure seen from the side with the part assembled together.

Claims (6)

1. Enhet som roterer rundt egen strømførende aksling og er videre karaktrisert ved: at enheten (M) har aksling med strømleder/e opplagret i senter, at aksling har inngående gjenger (12) på en side, og utgående gjenger (13) på motsatt side, at aksling består av 3 deler hvor strømleder/e i aksling delene (8) er i senter, mens strømleder/e i midt del på aksling (10) er utvendig, at elektrisitet fra aksling del (10) tilføres stator / rotor (5) i motorenhet (M), at stator / rotor er fast til aksling del (10) som leder elektrisitet, at elektrisitet fra kontakt i deksel (17) ledes inn til enhetene med elektronikk (3) via strømledere, at rotor / stator monteres mellom modulenheten (1) og opplagres med kulelager, at det benyttes børster/ strømledere (16) mellom modul enheten (1) med elektronikk og aksling med strømledere (10) for å overføre elektrisitet, at det benyttes børster / strømleder (16) som overfører elektrisitet mellom modul med elektronikk (1) og stator / rotor i motorenheten (M), 1. Unit that rotates around its own current-carrying shaft and is further characterized by: that the unit (M) has a shaft with current conductor(s) stored in the centre, that the axle has internal threads (12) on one side, and outgoing threads (13) on the opposite side, that the shaft consists of 3 parts where the current conductor(s) in the shaft parts (8) are in the centre, while the current conductor(s) in the middle part of the shaft (10) are on the outside, so that electricity from the shaft part (10) is supplied to the stator / rotor (5) in the motor unit (M), that the stator / rotor is fixed to the shaft part (10) as a conductor electricity, that electricity from the contact in the cover (17) is led in to the units with electronics (3) via current conductors, that the rotor / stator is mounted between the module unit (1) and stored with ball bearings, that brushes/current conductors (16) are used between module unit (1) with electronics and shafting with current conductors (10) to transmit electricity, that brushes / current conductor (16) are used as transmits electricity between module with electronics (1) and stator / rotor in the motor unit (M), 2. Enhet som roterer rundt egen strømførende aksling ifølge krav 1, ved at flere enheter(M) monteres sammen og er videre karaktrisert ved: at akslingene i enhetene skrues inn i hverandre slik at strømlederne blir sammenhengende, at spor i deksel (14,15) på oversiden og undersiden låser motorenhetene (M) sammen når akslingene skrues inn i ny enhet (M), at spor (14,15) i enhet (M) har strømledere som leder strøm inn til modul enhetene med elektronikk (1). at spor (14,15) i enhet (M)l har strømledere som leder elektrisitet / signal mellom enhetene (M) som er montert sammen,2. Unit that rotates around its own current-carrying shaft according to claim 1, in that several units (M) are assembled together and is further characterized by: that the shafts in the units are screwed into each other so that the current conductors are continuous, that grooves in the cover (14,15) on the upper side and the underside locks the motor units (M) together when the shafts are screwed into the new unit (M), that tracks (14,15) in unit (M) have current conductors that leads power into the module units with electronics (1). that tracks (14,15) in unit (M)l have conductors which conducts electricity / signal between the units (M) which are assembled together, 3. Enhet som roterer rundt egen strømførende aksling ifølge krav 1-2, ved at enhet (M2) roterer på en roterende aksling og er videre karaktrisert ved: - at roterende aksling har strømleder /e (10) som leder elektrisitet inn til stator / rotor, - at roterende aksling har strømleder le (10) som leverer elektrisitet til modulene med elektronikk (1) via børster/ strømledere, - at elektrisitet overføres fra modulene i enheten (M2) til enhet (19) via strømledere / kontakter i deksel (14,15), 3. Unit that rotates around its own current-carrying shaft according to claims 1-2, in that unit (M2) rotates on a rotating shaft and is further characterized by: - that rotating shaft has current conductor /e (10) which conducts electricity into the stator / rotor, - that the rotating shaft has a current conductor le (10) which supplies electricity to the modules with electronics (1) via brushes/current conductors, - that electricity is transferred from the modules in the unit (M2) to the unit (19) via current conductors/contacts in the cover ( 14,15), 4. Enhet som roterer rundt egen strømførende aksling ifølge krav 1-3, ved at enhetene (M2) gir rotasjonskraft til enhet (M3) og er videre karaktrisert ved: at aksling i enhet (M3) har strømledere som er tilkoblet strømledere i enhet (19), at enhet (M3) roterer på roterende aksling som er tilkoblet enhet (19),4. Unit that rotates around its own current-carrying shaft according to claims 1-3, in that the units (M2) provide rotational force to unit (M3) and is further characterized by: that the shaft in unit (M3) has current conductors which are connected current conductors in unit (19), that unit (M3) rotates on a rotating shaft which is connected device (19), 5. Enhet som roterer rundt egen strømførende aksling ifølge krav 1-4, ved at enhetene benyttes for energiproduksjon.5. Unit that rotates around its own current-carrying shaft according to claims 1-4, in that the units are used for energy production. 6. Enhet som roterer rundt egen strømførende aksling ifølge krav 1-5, ved at enhetene benyttes i energi forbrukende enheter.6. Unit that rotates around its own current-carrying shaft according to claims 1-5, in that the units are used in energy-consuming units.
NO20160103A 2016-01-20 2016-01-20 High speed rotor. Motor units (M) that will make it possible to mount several units together into a larger and more powerful unit. The motor unit is then used in series to provide high rotational speed NO20160103A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
NO20160103A NO20160103A1 (en) 2016-01-20 2016-01-20 High speed rotor. Motor units (M) that will make it possible to mount several units together into a larger and more powerful unit. The motor unit is then used in series to provide high rotational speed
NO20160592A NO338545B1 (en) 2016-01-20 2016-04-12 Wind turbine with wind turbines that rotate independently of each other and where electrical and mechanical gearing is used
NO20160669A NO338546B1 (en) 2016-01-20 2016-04-21 Pump
NO20161163A NO338711B1 (en) 2016-01-20 2016-07-13 Unit used to create gyro effect. Several units are placed around the load wire to prevent it from swinging from side to side as the rotational speed of the units is increased (29).

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO20160103A NO20160103A1 (en) 2016-01-20 2016-01-20 High speed rotor. Motor units (M) that will make it possible to mount several units together into a larger and more powerful unit. The motor unit is then used in series to provide high rotational speed

Publications (2)

Publication Number Publication Date
NO338432B1 true NO338432B1 (en) 2016-08-15
NO20160103A1 NO20160103A1 (en) 2016-08-15

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Application Number Title Priority Date Filing Date
NO20160103A NO20160103A1 (en) 2016-01-20 2016-01-20 High speed rotor. Motor units (M) that will make it possible to mount several units together into a larger and more powerful unit. The motor unit is then used in series to provide high rotational speed
NO20160592A NO338545B1 (en) 2016-01-20 2016-04-12 Wind turbine with wind turbines that rotate independently of each other and where electrical and mechanical gearing is used
NO20160669A NO338546B1 (en) 2016-01-20 2016-04-21 Pump
NO20161163A NO338711B1 (en) 2016-01-20 2016-07-13 Unit used to create gyro effect. Several units are placed around the load wire to prevent it from swinging from side to side as the rotational speed of the units is increased (29).

Family Applications After (3)

Application Number Title Priority Date Filing Date
NO20160592A NO338545B1 (en) 2016-01-20 2016-04-12 Wind turbine with wind turbines that rotate independently of each other and where electrical and mechanical gearing is used
NO20160669A NO338546B1 (en) 2016-01-20 2016-04-21 Pump
NO20161163A NO338711B1 (en) 2016-01-20 2016-07-13 Unit used to create gyro effect. Several units are placed around the load wire to prevent it from swinging from side to side as the rotational speed of the units is increased (29).

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SE1330086A1 (en) * 2013-07-02 2015-01-03 Mansour Kazempour Generator with varying number of rotors and stators

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