WO2002003530A1 - Amplification d'energie mecanique au moyen d'une force magnetomotrice - Google Patents

Amplification d'energie mecanique au moyen d'une force magnetomotrice Download PDF

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Publication number
WO2002003530A1
WO2002003530A1 PCT/US2000/018380 US0018380W WO0203530A1 WO 2002003530 A1 WO2002003530 A1 WO 2002003530A1 US 0018380 W US0018380 W US 0018380W WO 0203530 A1 WO0203530 A1 WO 0203530A1
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WO
WIPO (PCT)
Prior art keywords
rotor
magnets
magnet
combination
driven
Prior art date
Application number
PCT/US2000/018380
Other languages
English (en)
Inventor
Donald E. Rounds
Original Assignee
Rounds Donald E
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 Rounds Donald E filed Critical Rounds Donald E
Priority to AU2000262051A priority Critical patent/AU2000262051A1/en
Priority to PCT/US2000/018380 priority patent/WO2002003530A1/fr
Publication of WO2002003530A1 publication Critical patent/WO2002003530A1/fr

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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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K53/00—Alleged dynamo-electric perpetua mobilia

Definitions

  • This invention relates generally to the utilization of the potential energy in magnets, as for example permanent magnets; and more particularly to a device wherein one or more magnets is caused to move unimpeded past a second magnet or magnets, while creating a strong unidirectional movement of the second magnet or magnets.
  • the force derived in this manner can be used to amplify the force of a wide variety of mechanical motors or engines. This permits the application of comparatively small motors to perform the work of larger motors with no additional external energy requirements. Alternatively, the work requirements of an engine or motor are capable of being successfully performed using less external source energy, e.g. gasoline or electric voltage, when coupled with magnetomotive force.
  • Permanent magnets have long been known to contain strong potential energy, but this has only been used in motors or generators, to date, in the form of stators which create or direct electromotive forces, not as a physical supplement to those forces.
  • the present invention has potential for generating greater forces in existing electric or gasoline motors, wind powered generators, human powered bicycles or other such devices without using additional fuel or creating additional environmental pollutants.
  • the rotor typically mounts the driven magnet or magnets for rotation about a first axis; and the wheel typically mounts the driver magnet or magnets for rotation about a second axis.
  • the two axes are typically skewed, as will appear.
  • the driven magnets in the train have north and south poles located in alternating rotary sequence.
  • Such driven magnets may be generally bar-shaped and elongated, as well as uniformly spaced apart along the periphery of the first rotor, such as a flywheel.
  • the driven magnets can alternatively be mounted radially, like spokes in a wheel, with alternating north and south poles at the periphery of the rotor.
  • bipoles of driven magnets form force zones consisting of north-south regions followed by south-north regions, each of equal length around the circumference of the rotor.
  • the invention also basically allows one driver magnet to move unimpeded between bipoles defined by the driven magnets, whereby unidirectional movement of the driven magnet rotor is magnetically created.
  • the north pole of a driver magnet typically drives a north-south bipole of the driven magnets, while a south pole of a driver magnet typically drives a south-north bipole of the driven magnets.
  • Magnets can be replaced, or re-charged, after energy depletion, or the device can simply be allowed to "run-down", it having expanded its utility over a useful time interval.
  • a further object is to provide a device which includes a) a first rotor having a first axis and successive first north and south magnetic poles spaced about that first axis, b) a second rotor having a second axis, and successive second north and south magnetic poles spaced about that second axis, whereby the second rotor is rotated in response to rotation of the first rotor causing interaction of first magnetic poles' magnetic fields with second magnetic poles' magnetic fields, c) one of the rotors defining a recess or recesses receiving successive rotating extents of the other rotor.
  • the recess may be defined by the second rotor, and may extend annularly about that second axis; the recess may advantageously be concave toward the first rotor at a location or locations where the successive rotating extents of the first rotor are received; and the first rotor may define a wheel and successive rotating extents of the wheel may be convex toward the second rotor.
  • An additional object is to provide second rotor magnetic poles distributed in arcuate north magnetic pole rows and south magnetic pole rows which successively and alternately come into and out of proximity to said first rotor as the second rotor rotates.
  • Another object is to provide rotation of the rotors in directions whereby a first magnet on the first rotor advancing toward said one magnet on the second rotor and passing through the recess is magnetically attracted toward that one magnet, and another first magnet on the first rotor advancing away from said one magnet is magnetically repelled by said one magnet.
  • synchronizing structure may be provided to synchronize rotation of the two rotors, one of which defines a recess or recesses as referred to; the synchronizing structure may include interengagable and relatively movable first surfaces on the first rotor and second surfaces on the second rotor, and the second surfaces may extend arcuately, with the first surfaces including bearings engaging the arcuate second surfaces which may be spaced about an axis defined by the second rotor and may be convex toward that axis; and the second surfaces may be defined by rails or channels.
  • a carrier may be provided for the first magnetic poles and bearings; the carrier may comprise at least one non-magnetic tube containing said first magnetic poles, and also carrying said bearings; the second surfaces may extend in skew relation to an axis defined by the second rotor, and are spaced in succession about said axis; and a source of torque may be provided and coupled to a selected rotor, as will be seen.
  • Fig. 1 is a diagram showing principles of the invention
  • Figs. 2A, 2B and 2C are likewise diagrams showing principles of the invention
  • Fig. 3 is a diagram showing basic elements of the invention.
  • Fig. 4(A) — 4(E) are views showing skewed angularity of driver magnet motion relative to driven magnet motion, where a pole of the driver magnet is always maintained equidistant from bipoles of the rotating train magnets;
  • Fig. 5 is a graph of torque values generated at each force zone at the time single driver magnets pass between the bipoles of the driven magnets;
  • Fig. 6 is a graph of torque values generated at each force zone by two sets of three driver magnets at the time they pass between the bipoles of the driven magnets;
  • Fig. 7 is a graph of the amount of rotation counterbalance required at force zones on the driven rotor with a range of torques being applied to the driver magnet when driven magnets are either absent or present;
  • Fig. 8 is a graph of the battery voltage decay rate for the electric motor which activates the driver wheel when driven magnets are either absent or present;
  • Fig. 9 is a schematic view showing groups of north magnets, and groups of south magnets, on a driven wheel, in relation to magnet pole positions on a driven wheel;
  • Fig. 10a is a view taken on lines lOa-lOa of Fig. 9;
  • Fig. 10b is a view like Fig. 10a but showing interdigitization of rotating magnets
  • Fig. 11 is a view like Fig. 9, but showing a recess in a driven wheel or rotor, to receive successive portions of a driver wheel or rotor;
  • Fig. 12 is a side view of a driven wheel or rotor, showing provision of guide rails or surfaces;
  • Fig. 13 is an enlarged section showing provision of a non-magnetic tube containing magnetic poles, carrying bearings.
  • FIG. 1 it shows a driver magnet 10 having opposite, as for example north and south poles 10a and 10b.
  • a second magnet 11 is provided on a rotor 12 mounted by an axle 13 to rotate about an axis 14.
  • Multiple second magnets 11 and 11a are depicted in a "train", i.e. at the periphery of the circular rotor, and they are alike and curved, as shown, and spaced along the circular periphery of 12, which may constitute a flywheel.
  • the bar magnets 11 and 11a create north-south force zones while the air gaps between them create south-north force zones.
  • the north pole (N) of a bar magnet (the driver magnet) is brought into close proximity to the middle of one of the train magnets on the rotor or flywheel, the north pole (N) of the driver magnet repels the north pole of the train magnet and it simultaneously attracts the south pole (S) of that train magnet.
  • the train magnet 11 moves with respect to the driver, resulting in an angular displacement (or rotary motion) of the flywheel 12 (Fig. 1) until the south pole of the train magnet stops at its closest point to the north pole of the driver magnet. If, however, the driver magnet is moved away before the south pole of the train magnet reaches that position, the square of the distance between the two magnets is sufficiently great to reduce the force between them to a negligible level.
  • Fig. 1 also shows a second driven magnet 11a, like 11, but at the diametrically opposite rim portion of 12. This , can also be acted on by driver magnet 10 when it replaces driven magnet 11 during the rotation.
  • the driver magnet 10 is mounted radially on a second rotor or flywheel, designated as 15 in Fig. 2(A), the plane of which is approximately perpendicular to that of the first, with the north pole (N) of the driver magnet 10 extending to the margin of the wheel, its rotation will be influenced by the position of the train magnet 11. Again, if the north pole of the driver magnet is in close proximity to the north pole of the train magnet (when the train is held in a stationary position), the driver magnet is repelled (see arrow 40 in Fig. 2A). If the north pole of the driver magnet is in close proximity to the south pole of the train magnet (when the train is held in a stationary position), the driver magnet is attracted (see arrow 41 in Fig. 2B).
  • the driver wheel 15 can rotate freely through a neutral angular corridor (i.e. angle), without being influenced by the lateral forces of the train magnet 11.
  • a neutral angular corridor i.e. angle
  • Figs. 2(A), (B) and (C) also show axle 16 for rotor 15; axis 17 of rotation of 15; and a second driver bar magnet 10a extending diametrically opposite magnet 10, and having its south pole (S) at the periphery of 15. Bar magnets 10 and 10a extend radially. Maintaining the peripheral pole of the driver magnet in the neutral corridor requires that the two rotors or wheels 12 and 15 be synchronized as through a chain drive 18 (Fig. 3) or other timed drive (timing belt and sprockets or a set of gears), to produce the following conditions: (1) the turning ratio of the train-to-driver wheels 12 and 15 is typically 1:4;.
  • the train magnets must have poles uniformly spaced in N and S sequence on the circumference of the train flywheel; (3) the driver wheel must be mounted on an angle (Fig. 4) described by the hypotenuse of a right triangle, where the base is equal to 0.5 times the distance between the bipoles on the train wheel, while the altitude of the right triangle is equal to 0.25 times the circumference of the driver wheel; and (4) the driver magnet is carefully positioned within the neutral corridor on one train magnet before starting the motion of the external motor.
  • the drive 18 is depicted as an endless chain or timing belt 19, entraining small sprocket or pulley 20 on axle 16, large sprocket or pulley 21 on axle 13, and idler pulleys 22 and 23 that turn the direction of the chain or belt.
  • the small sprocket or pulley 20 and the large sprocket or pulley 21 define the turning ratio of the driver wheel 15 and train wheel 12.
  • a driven device 140 may be coupled to driven shaft 13; and all elements are properly sized.
  • Device 140 may comprise the drive train of a vehicle such as an automobile.
  • a 6.625 inch diameter train wheel 12 was constructed with eight (8) two inch long driven rod magnets, 0.75 inches in diameter, mounted radially, with approximately 1.875 inches between each pole at the periphery of the wheel.
  • the margin of the wheel was marked at 5 degree increments around its circumference and it was placed vertically in a cradle mounted on the pan of a triple beam balance.
  • a 10 inch diameter driver wheel 15 was constructed with 2 one inch long driver rod magnets, 0.75 inches in diameter, mounted on opposite sides of the wheel.
  • One driver magnet 10 was mounted with its north pole at the periphery of the wheel and the other 10a was mounted with its south pole at the periphery of the wheel.
  • the margin of the driver wheel was marked at 20 degree increments around its circumference to simulate a 1:4 turning ratio.
  • the driver wheel 15 was mounted horizontally so that the driver magnets 10 and 10a would pass through the neutral corridor of each of the bipoles on the train wheel 12, which was mounted vertically on the pan of the balance. The distance between the two wheels was 0.5 inches.
  • a simple working model of the system as shown in Fig. 3 was constructed using a system of gears instead of an endless belt with pulleys.
  • the train wheel 12 was a 7 inch diameter rotor with 8 radially positioned rare earth (NdFeB) rod magnets, 0.75 inches long and 0.75 inches in diameter.
  • the driver wheel 15 was 10 inches in diameter and had single NdFeB magnets on opposite sides of the wheel.
  • One driver magnet 10 was mounted with a north pole moving through each neutral corridor of the north-south bipoles while the second magnet 10a was mounted with a south pole moving through the neutral corridor of each of the south-north bipoles of the driven magnets while the driver wheel 15 was moving at a 4.1 ratio with respect to the driven wheel 12.
  • the distance between the two wheels was 1.25 inches.
  • a modified model described in Example 2 was outfitted with a small DC electric motor 24 which was made to operate the wheels using two D size batteries. Instead of single driver magnets on each side of the driver wheel 15, four north pole rare earth (NdFeB) driver magnets and four south pole rare earth (NdFeB) driver magnets were used.
  • the driven rotor 12 was 6.125 inches in diameter and contained 8 sets of 3 magnets with each set uniformly spaced and alternating north and south poles around the circumference of the rotor. The distance between the two wheels was 1.25 inches.
  • Rates of rotation of the driver wheel were determined with and without driver magnets in the driver magnet wheel 15. With all other conditions being equal, the rate of rotation produced by the electrical energy source (2.57 volts DC) when driver magnets were present was 65 rpm for the driven rotor 12 and 260 rpm for the driver wheel 15. When the driver magnets were removed, even increasing the voltage from 2.5 to 4.0 volts could not sustain continual rotation of the two wheels. Under this set of conditions, magnetomotive force was required to supplement the electromotive force to produce continual rotation. EXAMPLE 4
  • Example 3 A small electric generator was added to the model described in Example 3 and the electric motor was energized with three 1.5 volt DC batteries in order to compensate for the increased friction caused by the generator installation. With all magnets in place, the electric motor 24 moved the driven wheel 12 at 64 rpm and the driver wheel 15 at 256 rpm. At this speed the generator produced an output of 2.9 volts. Although this model was far from being optimized, this experiment supports the premise that magnetomotive force could amplify the electromotive force to produce work in the form of voltage generation.
  • Example 2 The same model described in Example 2 was used to compare the rates at which size A A 1.5 volt DC batteries being used to drive the electric motor 24 decayed, with and without the driven magnets in place. The system was operated for one minute intervals for a total of five minutes for each condition, with the DC voltage of the batteries being recorded at the end of each minute. Fresh batteries were used at the beginning of each series.
  • New magnets can be substituted for any of the magnets on the rotor, as indicated at 150 and 151 in Fig. 3.
  • Usable magnets consist of a material or materials selected from the group that includes NdFeB, ALNICO, ceramic, iron-chromium-cobalt (FeCrCo), rare earth, samarium cobalt (SmCo), other magnetic material.
  • Usable sources of torque comprise one or more of the following: i) an electric motor ii) an internal combustion engine iii) wind iv) flowing water v) manual or foot power vi) other power source.
  • the driver magnets at magnet zones 110 are positioned on the curved face 111 of the driver wheel or rotor 112, as shown in Fig. 9.
  • the driver magnets interface with the sets 113 and 114 of magnets on the driven wheel 115, the driver magnets are farther away from the top and bottom bipoles on the driven wheel than they are from the middle set of bipoles.
  • This can be corrected by creating a recess such as a concave surface on the face of the driven wheel which fits the circumference curvature of the driver wheel surface plus the separation distance between the two wheels.
  • a recess 117 formed or defined by the driven wheel or rotor 118 extends annularly about the second axis 119.
  • the recess extends adjacent the curved face 120 of rotor 118, that surface being concave in axial radial planes, containing axis 119.
  • the axis of the driver rotor 112 is shown at 121, and extends normal to the plane of Fig. 10; the driver rotor is the same as in Fig. 9.
  • a gap 123 separates the convex surface at Ilia of rotor 111, from the concave surface at 118a of rotor 118.
  • the magnetic poles on 118 are distributed in arcuate north magnetic pole rows 124 and arcuate south magnetic pole rows 125, which successively and alternately come into and out of proximity to the first rotor surface, as the second rotor rotates. This permits two to three driver magnets to be interacting with the bipoles of the driven wheel at all times. This results in a more continuous rotary force on the driven wheel as well as an increase in magnetomotive force from the additional driver magnets involved in the action.
  • Fig. 10a shows N and S magnets 130 and 131 on driver wheel 132 having axis 133, interacting with magnet 132 on a driver wheel 132a, having axis 134.
  • Fig. 10b is like Fig. 10a, but a recess 135 is cut in wheel 132, between magnets 130 and 131, and the magnet 132 on wheel 132a is positioned and protrudes to pass through the recess, in a direction normal to the plane of Fig. 10b, as the two wheels rotate.
  • the second rotor magnetic poles are distributed in north magnetic pole rows and south magnetic pole rows which successively and alternately come into and out of proximity to said first rotor as the second rotor rotates.
  • the rotors rotate in directions whereby a first magnet on the first rotor advancing toward a second magnet on the second rotor and passing through the recess is magnetically attracted toward said second magnet, and another first magnet on the first rotor advancing away from said second magnet is magnetically repelled by said second magnet.
  • Magnetic force is equal to the force of one magnet times the force of a second magnet interacting with it, divided by the square of the distance between them.
  • the output force in the present invention can be increased by (1) using magnets with a high BHmax rating (such as rare earth magnets in comparison to ALNICO or ceramic magnets), (2) increasing the number of magnets involved (such as shown in Fig. 11) and (3) increasing the mass (length and/or width) of each of the magnets involved, which increases their flux densities.
  • the total magnetic force can be increased by shortening the distance between the magnets.
  • Experimental data obtained during the development of this system has shown that the pole of the driver magnet can interact with the bipoles of the driven magnets most efficiently when the driver magnet is fully inserted between the two driven magnets (Fig. 10b). Under this condition, the distal poles of the three magnets interact, while at the same time, the proximal poles of these magnets can also interact, to result in a doubling of the forces involved.
  • an experimental comparison was made of the rotary force on the driven wheel when the driver magnet was passed between a pair of driven magnets (Fig. 10b) and was found to have 5.6 times more force than that of a driver magnet positioned one inch from the surface of the driven wheel (Fig.
  • the gear train which synchronizes the two wheels can be eliminated in order to reduce the cost of construction as well as some of the friction in the system.
  • One approach is to construct guide rails on the surface of the driven wheel. See for example arcuate guide rails 141 on concave surface or surfaces 142 of the driven wheel 143 in Fig. 12; wheel 143 is otherwise like rotor or wheel 118 in Fig. 11.
  • Such rails extend in axial radial planes, and are angularly spaced about axis 119, with magnet rows 124 and 125 located between (i.e. offset from) successive rails.
  • First surfaces on the first (driver) rotor are engageable with the second surfaces (as at sides 141a of the rails) on the second (driven) rotor, to achieve synchronization of the two rotors or wheels.
  • Rails 141 may be replaced by channels, extending in similar manner, the channels opening radially outwardly to receive bearings (first surfaces) carried by the driver rotor. Rails 141 can be considered to represent such channels.
  • the driver magnets could be constructed as rods interconnected instead of being mounted on a wheel. The magnets would be held within aluminum tubes which are capped with a short shaft connected to a galvanized steel ball bearing. As such, the ball bearings would not be subject to magnetic forces.
  • the ball bearing would be constrained to rotate against or adjacent the side of the guard rail, or channel, since the positive and negative forces of the bipoles acting on the pole of the driver magnets would hold it in this position. This would ensure that the driver magnet would always be in the neutral corridor. See Fig. 13 showing a non-magnetic tube 160 carrying driver magnets 161 at opposite side of rotation axis 162 defined by a shaft 163. Ball bearings (or rotary disc bearings) 164 at opposite ends of the tube bear against rails or channels, as described. Set screw 165 retains hub 166 of tube 160 to shaft 163.
  • An alternative approach to meet this goal would be to create channels between the bipoles on the driven wheel which would guide the poles of the driver wheel magnets.
  • These driver poles could also be mounted with a galvanized steel ball bearing. The ball bearing would rotate against the side of the channel, ensuring that the driver pole would remain equidistant between the driven wheel bipoles. This would also allow the insertion of the driver magnets between the pair of driven magnets, as shown in Fig. 10b.
  • a further improvement would be to position the rows of driven wheel bipoles, and the guide rails or channels, at an angle, while leaving the plane of rotation of the driver wheel perpendicular to that of the driven wheel.
  • the driver magnets rolling against the guide rails would be analogous to an object rolling down an inclined plane, except that the guide rails, forming a spiral around the driven wheel, would slide under the driver magnets. This action would minimize the required force from an external energy source to activate the magnetomotive force more efficiently. As a result, the total output from the system could be increased.
  • the second surfaces would extend in skew relation to the axis 119 defined by the second rotor.
  • a final consideration for maximizing the power output of the apparatus would be to construct multiple units which are all connected to a common driven wheel shaft.
  • a single set of synchronizing gears could be used, to minimize friction, if the driver wheels of the multiple units were all connected by a drive chain.
  • a source of torque 75 can be connected or coupled to a selected rotor to effect torque transmission to that rotor, if needed. See for example torque source 80 in Fig. 11, such as a motor, coupled at 81 to shaft 82 of wheel 111. Suitable bearings for both wheels can be provided, as at 83 and 84 shown schematically in Fig. 11.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)

Abstract

Cette invention concerne un dispositif comprenant un premier rotor (12) avec un premier axe (14), des premiers pôles magnétiques nord et sud successifs (10a, 10b), un second rotor (15) avec un second axe (17), et des seconds pôles magnétiques nord et sud successifs (11, 11a) situés sur un second axe à l'écart l'un de l'autre. Le second rotor (15) est entraîné en rotation par la rotation du premier rotor (12), ce qui crée une interaction entre champs magnétiques des premiers pôles magnétiques et des seconds pôles magnétiques. L'un des rotors (12, 15) comporte un ou plusieurs évidements dans lesquels viennent passer des parties saillantes de l'autre rotor (12, 15) pendant la rotation.
PCT/US2000/018380 2000-06-30 2000-06-30 Amplification d'energie mecanique au moyen d'une force magnetomotrice WO2002003530A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2000262051A AU2000262051A1 (en) 2000-06-30 2000-06-30 Amplifying mechanical energy with magnetomotive force
PCT/US2000/018380 WO2002003530A1 (fr) 2000-06-30 2000-06-30 Amplification d'energie mecanique au moyen d'une force magnetomotrice

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2000/018380 WO2002003530A1 (fr) 2000-06-30 2000-06-30 Amplification d'energie mecanique au moyen d'une force magnetomotrice

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WO2002003530A1 true WO2002003530A1 (fr) 2002-01-10

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WO (1) WO2002003530A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2003766A4 (fr) * 2006-04-04 2017-05-17 Ramon Freixas Vila Moteur magnétique
US10224798B2 (en) 2015-06-23 2019-03-05 Michael F. Leas Magnetic spiral bevel gear
WO2020183218A1 (fr) * 2019-03-08 2020-09-17 Neodymotors Gmbh Système de production d'énergie

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4456858A (en) * 1981-10-15 1984-06-26 Loven James F Permanent magnetic A.C.-D.C. motor
US5192899A (en) * 1990-05-17 1993-03-09 Simpson Alvin B Electromagnetically powered rotary motor apparatus and method
US5304881A (en) * 1989-03-13 1994-04-19 Magnetic Revolutions, Inc. Means for producing rotary motion

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4456858A (en) * 1981-10-15 1984-06-26 Loven James F Permanent magnetic A.C.-D.C. motor
US5304881A (en) * 1989-03-13 1994-04-19 Magnetic Revolutions, Inc. Means for producing rotary motion
US5192899A (en) * 1990-05-17 1993-03-09 Simpson Alvin B Electromagnetically powered rotary motor apparatus and method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2003766A4 (fr) * 2006-04-04 2017-05-17 Ramon Freixas Vila Moteur magnétique
US10224798B2 (en) 2015-06-23 2019-03-05 Michael F. Leas Magnetic spiral bevel gear
WO2020183218A1 (fr) * 2019-03-08 2020-09-17 Neodymotors Gmbh Système de production d'énergie
CN113348612A (zh) * 2019-03-08 2021-09-03 耐德汽车有限公司 动力生成系统
US11881755B2 (en) 2019-03-08 2024-01-23 Neodymotors Gmbh Power transmission system using magnets

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