WO2011147000A1 - Ensembles magnétiques - Google Patents

Ensembles magnétiques Download PDF

Info

Publication number
WO2011147000A1
WO2011147000A1 PCT/AU2011/000645 AU2011000645W WO2011147000A1 WO 2011147000 A1 WO2011147000 A1 WO 2011147000A1 AU 2011000645 W AU2011000645 W AU 2011000645W WO 2011147000 A1 WO2011147000 A1 WO 2011147000A1
Authority
WO
WIPO (PCT)
Prior art keywords
drive
rotation
ring
propeller
axis
Prior art date
Application number
PCT/AU2011/000645
Other languages
English (en)
Inventor
Andrew Boyd French
Christopher Bremner
Radu Iliuta
Original Assignee
Andrew Boyd French
Christopher Bremner
Radu Iliuta
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
Priority claimed from AU2010902344A external-priority patent/AU2010902344A0/en
Application filed by Andrew Boyd French, Christopher Bremner, Radu Iliuta filed Critical Andrew Boyd French
Publication of WO2011147000A1 publication Critical patent/WO2011147000A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
    • H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
    • H02K49/102—Magnetic gearings, i.e. assembly of gears, linear or rotary, by which motion is magnetically transferred without physical contact
    • 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
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
    • B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H11/00—Marine propulsion by water jets
    • B63H11/02—Marine propulsion by water jets the propulsive medium being ambient water
    • B63H11/04—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps
    • B63H11/08—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps of rotary type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H23/00—Transmitting power from propulsion power plant to propulsive elements
    • B63H23/22—Transmitting power from propulsion power plant to propulsive elements with non-mechanical gearing
    • B63H23/24—Transmitting power from propulsion power plant to propulsive elements with non-mechanical gearing electric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
    • B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
    • B63H5/14—Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in non-rotating ducts or rings, e.g. adjustable for steering purpose
    • B63H5/15—Nozzles, e.g. Kort-type
    • 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
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D5/00—Pumps with circumferential or transverse flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
    • B60K2007/0038—Disposition of motor in, or adjacent to, traction wheel the motor moving together with the wheel axle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
    • B60K2007/0061—Disposition of motor in, or adjacent to, traction wheel the motor axle being parallel to the wheel axle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H11/00—Marine propulsion by water jets
    • B63H11/02—Marine propulsion by water jets the propulsive medium being ambient water
    • B63H11/04—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps
    • B63H11/08—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps of rotary type
    • B63H2011/081—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps of rotary type with axial flow, i.e. the axis of rotation being parallel to the flow direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H23/00—Transmitting power from propulsion power plant to propulsive elements
    • B63H2023/005—Transmitting power from propulsion power plant to propulsive elements using a drive acting on the periphery of a rotating propulsive element, e.g. on a dented circumferential ring on a propeller, or a propeller acting as rotor of an electric motor
    • 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
    • H02K7/1807—Rotary generators
    • H02K7/1823—Rotary generators structurally associated with turbines or similar engines
    • H02K7/183—Rotary generators structurally associated with turbines or similar engines wherein the turbine is a wind turbine
    • H02K7/1838—Generators mounted in a nacelle or similar structure of a horizontal axis wind turbine
    • 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
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Definitions

  • the present application relates to magnetic drive and coupling assemblies.
  • the assemblies utilise a magnetic element or elements to induce drive in rotatable objects, to couple objects and to provide suspension.
  • Known methods of driving rotatable objects and elements include various couplings attaching the rotatable object to a motor or engine, including pulley belts, chains, gears, discs, cogs, diaphragms and viscous fluid type couplings.
  • mechanical couplings such as the requirement for periodic lubrication of gears, the close alignment requirements for the mechanical couplings, particularly for disc, diaphragm and hydraulic couplings, and the limited life of elastomer and rubber element couplings. Energy losses in the form of friction and heat loss can be considerable in such apparatus .
  • apparatus comprising an inner element having an outer edge, an outer element having an inner edge adapted to be positioned around the inner element, the inner element and outer element being rotatable with respect to one another about an axis; rotation of the inner element with respect to the outer element being effected by repulsive or attractive magnetic forces between the outer edge of the inner element and the inner edge of the outer element.
  • the inner element comprises a plurality of blades and the outer edge comprises a tip section of at least a portion of the plurality of blades.
  • the outer edge of the inner element comprises a ring shaped magnetic array.
  • the outer edge of the inner element and the outer element are ring shaped and are adapted to be positioned concentrically such that the inner element is positioned within the outer element.
  • the inner element comprises an impeller.
  • the inner element comprises a driven element and the outer element comprises a drive element, the outer element being operatively engaged with a motor to provide rotational drive.
  • the apparatus for inducing drive in a propeller having blades the apparatus
  • a drive ring engaged with or integral to the blades of the propeller, such that rotation of the drive ring effects rotation of the propeller, at least one drive element, positioned such that rotation of the drive element about an axis effects rotation of the propeller by repulsive or attractive magnetic forces between the drive element and the drive ring.
  • apparatus for driving a wheel having an outer circumference for contact with a surface and an inner circumference
  • the apparatus comprising a drive element positioned such that rotation of the drive element about an axis effects rotation of the propeller by repulsive or attractive magnetic forces between the drive element and the inner surface.
  • the apparatus comprising a drive ring associated with the propeller such that rotation of the propeller causes the ring to rotate about a central axis and a drive element rotatable about an axis, wherein rotation of the drive ring about an axis effects rotation of the drive element by repulsive or attractive magnetic forces between the drive element and the drive ring.
  • Figure 1 is a perspective view of a magnetic drive assembly of one embodiment of the present application
  • Figure 2 is a cross-sectional view of the drive assembly of Figure 1;
  • Figure 3 is a perspective view of a second embodiment of a magnetic drive assembly
  • Figure 4 is a detail view of the assembly of Figure 3;
  • Figure 5 is a front view of the assembly of Figure 3 ;
  • Figure 6 is a perspective view of a drive assembly of one embodiment of the present application.
  • Figure 7 is a detail view of the drive assembly of Figure 6;
  • Figure 8 is a detail view of the drive assembly of Figure 6;
  • Figure 9 is an exploded view of a portion of the drive assembly of Figure 6;
  • Figure 10 is a drive assembly of one embodiment of the present application.
  • Figure 11 is a front view of the drive assembly of Figure 10.
  • Figure 12 is a rear perspective view of the drive assembly of Figure 10;
  • Figure 13 is a magnetic coupler of one form of the present application.
  • Figure 14 is an exploded view of the magnetic coupler of Figure 13;
  • Figure 15 is a detail view of the coupler of Figure 13;
  • Figure 16 is a detail view of a second embodiment of a coupler ;
  • Figure 17 is a perspective view of a coupler of another embodiment of the present invention.
  • Figure 18 is a perspective view of a suspension system of one embodiment of the present invention.
  • Figure 19 is a cross-sectional perspective view of the suspension system of Figure 18.
  • the apparatus 1 is particularly directed towards inducing drive in an impeller 2.
  • the impeller is adapted to rotate about an axis 3 and is specifically for use as a propeller in a submarine or other water vehicle.
  • the drive apparatus can be adapted for use in any assembly requiring an impeller.
  • the drive assembly further comprises a drive element 5 which is shaped to be positioned about the impeller 2.
  • the impeller 2 extends from the axis 3 to a tip section 4 which is engaged with a drive ring 7.
  • the tip section 4 is integral to the drive ring 7. Rotary movement of the ring 7 about axis 3 results in rotation of the impeller 2 about axis 3.
  • the impeller 2 is shaped as a plurality of blades 8 for impelling movement of water through the assembly 1.
  • the assembly 1 further comprises a plurality of drive elements 10.
  • Each drive element comprises a motor 11 engaged with a magnetic drive 12.
  • the magnetic drive 12 is cylindrical and incorporates a plurality of magnets 14 positioned on its circumference.
  • the outer ring 7 of the impeller 2 incorporates a
  • the hull cavity of a vehicle is enclosed and the magnetic drive 12 and its motor 10 are positioned in the hull cavity.
  • the pressure inside the hull cavity can be adjusted so that it matches the water pressure.
  • the impeller 2 and drive ring 7 are positioned outside the hull.
  • the impeller does not have a drive shaft, but instead rotates about axis 3 on which the impeller 2 is
  • the magnetic array 14 on the drive element 12 may consist of magnets polarised in varying directions as in a
  • Hallbach array This concentrates the strength of the magnetic field in one direction.
  • a metal piece 15 is positioned between the magnets 18 to provide attraction to stabilise the axial load upon the drive ring 7 and to provide additional torque.
  • the use of multiple motors adds a redundancy in case of failure of a motor.
  • the propeller is therefore driven by the tip region 4 of the impeller which reduces the movement of the propeller tip and therefore reduces the irregularity in the rotation of the propeller.
  • the drive assembly can be utilised in a windmill in which case the drive is coming from the drive ring 7 and driving the drive element 12 about axis 13.
  • a drive ring 20 is engaged with the windmill blades 21.
  • the drive ring 20 incorporates an array of magnets 23 which interact with a complementary array 24 on generator 25.
  • the drive ring 20 and the driven magnetic array 24 do not come in contact, rather attractive or repulsive forces between the drive ring 20 and the driven magnetic array 24 cause rotation of 24 about an axis extending through the generator 25.
  • the magnets in the array can be polarised in one direction or can be polarised in various directions to allow for a Hallbach array.
  • Further generators can be affixed with the stand 26 of the windmill to increase power output.
  • the set up allows for 90° transfer of energy, removing the need for a gearbox in the system.
  • the magnetic drives 30 include magnets 33 located on the circumference of the drive.
  • a motor is utilised to rotate the magnetic drives 30 about a central longitudinal axis 34.
  • the tyre 31 includes an array of magnets 35 positioned in the inner circumference of the tyre. Attractive or repulsive forces between drive magnets 33 and driven magnets 35 cause the tyre to rotate about an axis extending through its centre point upon rotation of the magnetic drives 30.
  • Figures 13 through 16 disclose a magnetic coupler comprising a body 40 which is engaged with a plurality of magnets 41 held in place in the outer ring 41 by protrusions 43. In this form the magnets are positioned in an aluminium extrusion 44.
  • the aluminium extrusion 44 includes magnets 45 extending therefrom and held therein by protrusions 46.
  • FIG. 17 In a further embodiment shown in Figure 17 is a mini- coupler magnets 60 which are wedged in a wheel shaped housing 62. The magnets 60 extend beyond the
  • the coupler 59 further comprises a second housing and magnet array 66 which in use is positioned to face the first housing and magnet array to allow for magnetic coupling.
  • Figures 18 and 19 show a suspension system in which an outer ring 70 is polarised in one direction while an inner ring 71 is polarised in the opposite direction.
  • the inner ring 71 is adapted to fit within the outer ring. Pressure on the inner ring 71 to force it into the interior cavity 72 of the outer ring 70 is resisted by the polarity of the inner member 71, creating suspension in response to pressure on the inner ring 71.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Ocean & Marine Engineering (AREA)
  • Transportation (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)

Abstract

L'invention porte sur un appareil pour induire un entraînement, lequel appareil comprend un élément interne ayant un bord externe, un élément externe ayant un bord interne adapté à être positionné autour de l'élément interne, l'élément interne et l'élément externe pouvant tourner l'un par rapport à l'autre autour d'un axe ; une rotation de l'élément interne par rapport à l'élément externe étant effectuée par des forces magnétiques de répulsion ou d'attraction entre le bord externe de l'élément interne et le bord interne de l'élément externe.
PCT/AU2011/000645 2010-05-28 2011-05-30 Ensembles magnétiques WO2011147000A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2010902344A AU2010902344A0 (en) 2010-05-28 Magnetic Drives and Couplers
AU2010902344 2010-05-28

Publications (1)

Publication Number Publication Date
WO2011147000A1 true WO2011147000A1 (fr) 2011-12-01

Family

ID=45003153

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU2011/000645 WO2011147000A1 (fr) 2010-05-28 2011-05-30 Ensembles magnétiques

Country Status (1)

Country Link
WO (1) WO2011147000A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK178025B1 (da) * 2014-03-21 2015-03-23 Technoflex Aps Magnetgear
FR3102618A1 (fr) * 2019-10-23 2021-04-30 Airbus Operations Couplage de rotors de machines électriques
FR3102617A1 (fr) * 2019-10-23 2021-04-30 Airbus Operations Couplage de rotors de machines électriques

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0282095A2 (fr) * 1987-03-13 1988-09-14 Nikkiso Eiko Co., Ltd. Pompe multiple à entraînement magnétique
EP0680131A2 (fr) * 1994-04-28 1995-11-02 Kabushiki Kaisha Toshiba Machine rotative du type à aimants permanents
EP1511159A2 (fr) * 2003-08-26 2005-03-02 Kohei Minato Appareil rotatif magnétique à entraínement direct

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0282095A2 (fr) * 1987-03-13 1988-09-14 Nikkiso Eiko Co., Ltd. Pompe multiple à entraînement magnétique
EP0680131A2 (fr) * 1994-04-28 1995-11-02 Kabushiki Kaisha Toshiba Machine rotative du type à aimants permanents
EP1511159A2 (fr) * 2003-08-26 2005-03-02 Kohei Minato Appareil rotatif magnétique à entraínement direct

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK178025B1 (da) * 2014-03-21 2015-03-23 Technoflex Aps Magnetgear
FR3102618A1 (fr) * 2019-10-23 2021-04-30 Airbus Operations Couplage de rotors de machines électriques
FR3102617A1 (fr) * 2019-10-23 2021-04-30 Airbus Operations Couplage de rotors de machines électriques

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