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Magnetic Gear

Magnetic Gear-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Equipment support of a turbo machine comprising a reducer with magnetic gears
Safran Transmission Systems
October 26, 2017 - N°20170306854

An equipment support including at least one attachment including an output shaft, an input gear wheel, the input gear wheel being both rotated by the motor shaft at a main speed and also connected to the output shaft of the attachment in order to rotate it at a determined output speed, an input shaft, rotated by the input gear wheel ...
Magnetic gearboxes including magnetic gears rotatable with sequential magnetic linkage between the magnetic gears
Safran Transmission Systems
September 21, 2017 - N°20170271970

A magnetic gear system including magnetic gearboxes where one of a driving gear and a driven gear are in sequential magnetic linkage, and one of the magnetic gears can be tilted relative to the other gear wherein the magnetic gears are prevented from overlapping each other to prevent loss of sequential magnetic interaction. A magnetic gearbox is also disclosed where ...
Washing machine
Lg Electronics Inc.
August 17, 2017 - N°20170233925

Disclosed is a magnetic gear apparatus including a rotational magnetic force generator configured to generate rotational magnetic force, a magnetic path creator having a hollow shape so as to be provided at an outer circumferential surface of the rotational magnetic force generator, the magnetic path creator being configured to create a magnetic path of the rotational magnetic force generated from ...
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Magnetic Gear Patent Applications
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A magnetic gear
Grundfos Holding A/s
July 13, 2017 - N°20170201167

The present invention relates to a magnetic gear comprising a first magnetic rotor with a first shaft; and a second magnetic rotor with a second shaft; a support structure, with a first end shield and a second end shield connected by a stat or support element. A first bearing attached to the first end shield supports the first shaft and ...
A magnetically geared electric drive
Grundfos Holding A/s
June 15, 2017 - N°20170166288

The invention provides an encapsulated magnetically geared brushless electric marine propulsion system with the principle components arranged axially around the central shaft. The marine propulsion system includes: the brushless dc motor, comprised of the stator fixed to the central shaft and motor magnets fixed within the motor rotor coupled to the central shaft using precision ball bearings; the high-speed magnetic ...
Variable gear ratio electrical machine
Rolls-royce Plc
May 18, 2017 - N°20170141648

An electrical machine including a moveable permanent magnet configured to generate a first magnetic field. A stator including windings configured to excite a second magnetic field. A moveable inter-pole component located between the permanent magnet component and the stator, the inter-pole component comprising an array of magnetic inter-pole pieces. The speed of movement of the inter-pole component is controlled to ...
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Magnetic Gear Patent Applications
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Method and apparatus for compact axial flux magnetically geared machines
The Texas A&m University System
April 13, 2017 - N°20170104388

An axial flux magnetic geared machine includes a high speed magnetic rotor and a low speed magnetic rotor maintained in a spaced relationship from the high speed magnetic rotor. A modulating structure is disposed between the high speed magnetic rotor and the low speed magnetic rotor. A stator is disposed in a radially central bore of one or more of ...
Posture holding device for holding part
Tokyo Electron Limited
February 02, 2017 - N°20170028547

A posture holding device is for use in a transfer device which has a holding part configured to hold an object and a first link and a second link connected to the holding part. The transfer device moves the first link and the second link relative to the holding part so as to move the holding part between a transfer ...
Generator comprising a variable speed magnetic gear
Jaguar Land Rover Limited
January 26, 2017 - N°20170025977

A generator comprising a magnetic gear, the magnetic gear comprising a stationary member comprising a set of electromagnets, a first moveable member comprising a set of magnets, and a second moveable member disposed between the first moveable member and the stationary member. The second moveable member comprises a set of core members. The first and second moveable members are magnetically ...
Flywheel energy storage device, wind power generation system and vehicle energy feedback brake system
South University Of Science And Technology Of Chin A
January 26, 2017 - N°20170025922

Provided is a flywheel energy storage device including a radial magnetic gear, the radial magnetic gear includes an inner rotor, an outer rotor and n1 first magnetic pole adjustment sheets embedded in a first magnetic pole adjustment sheet base; a disc-type magnetic gear electric motor includes a first stator disc, a first rotor disc, a second stator disc, a second ...
Flux focusing magnetic gear assembly using ferrite magnets or the like
The University Of North Carolina At Charlotte
January 05, 2017 - N°20170005560

The present invention relates generally to a flux focusing magnetic gear assembly using ferrite magnets or the like. The present invention also relates generally to a flux focusing magnetic gear assembly using ferrite magnets or the like that incorporates an outer stator assembly that converts a variable input to a constant output. The present invention further relates generally to an ...
Pole-piece structure for a magnetic gear
Goodrich Actuation Systems Limited
January 05, 2017 - N°20170005559

The disclosure provides a pole-piece structure for a magnetic gear, comprising a plurality of laminate plates, wherein each plate is a metallic ring having a plurality of regularly spaced substantially solid portions joined by hollow connecting portions 104, wherein each plate is connected to an adjacent plate by a connecting means that is formed from or uses the material of the ...
A magnetic gear system and method for reducing transmission of torque pulsation
Magnomatics Limited
December 08, 2016 - N°20160359441

A system comprises an input member, an output member, a magnetic gear connecting the input member to the output member and control means arranged to control the flow of power from the input member to the output member. The magnetic gear comprises a first set of magnetic poles, a second set of magnetic poles, and a set of pole pieces ...
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Magnetic Gear Patent Applications
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  • + full patent PDF documents of Magnetic Gear-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Magnetic gear device
Hitachi Metals, Ltd.
August 18, 2016 - N°20160241123

Cylindrical outer and inner rotors coaxially supported so as to be rotatable, and a cylindrical stator interposed between the rotors are provided, and rotational torque is transmitted between the outer rotor and the inner rotor by interaction between: a plurality of magnets uniformly arranged on the inner circumference of the outer rotor; a plurality of magnets uniformly arranged on the ...
Heat engine system
Hitachi Metals, Ltd.
June 30, 2016 - N°20160186615

An improved heat engine is disclosed. The heat engine comprises at least one heat pipe containing a working fluid flowing in a thermal cycle between vapor phase at an evaporator end and liquid phase at a condenser end. Heat pipe configurations for high-efficiency/high-performance heat engines are disclosed. The heat pipe may have an improved capillary structure configuration with characteristic ...
A magnetic gear
Ricardo Uk Limited
June 16, 2016 - N°20160172957

A magnetic gear comprising: first and second members arranged for relative movement therebetween, the first member having a first array of magnetic field generating elements and the second member having a second array of magnetic field generating elements; and a coupling member having an array of coupling elements for coupling magnetic flux between the first array of magnetic field generating ...
Magnetic gear device
Ricardo Uk Limited
January 07, 2016 - N°20160006335

The magnetic gear device is equipped with a cylindrical first magnet row in which a plurality of magnetic pole pairs are arranged at substantially equal intervals in a circumferential direction; a cylindrical second magnet row which is arranged coaxially at an outer side of the first magnet row so as to be opposed to the first magnet row and in ...
Magnetic gear system
Jak Research, Llc
September 17, 2015 - N°20150263597

A magnetic gear system for use anywhere gears are required. The magnetic gear system incorporating magnetic gears including at least one end plate and at least one axle coupled to the at least one end plate. A plurality of magnet holders are also coupled to the at least one end plate. At least one magnet is contained in each of ...
Inherently torque limited magnetically-coupled wheels
Jak Research, Llc
August 13, 2015 - N°20150229198

An apparatus having a driving magnetic gear and a driver magnetic gear, disposed on each of which are a series of adjacent magnets of alternating polarity. The magnetic gears are tiltable relative to each other, and the angle of the imaginary driver gear plane at the pivot point between the driving gear and the driver gear must be less than 90&#...
Magnetic gear with first and second members arranged to interact in a magnetically geared manner
Magnomatics Limited
March 12, 2015 - N°20150069871

Embodiments of the present invention relate to magnetic gears comprising first and second moveable members arranged to interact in a magnetically geared manner via a first electrical winding arrangement arranged to generate, at least in part, a first magnetic flux having a first number of pole-pairs, and one or more pole-pieces arranged to modulate the first magnetic flux to interact ...
Electric motor and magnetic gear
Magnomatics Limited
February 05, 2015 - N°20150037180

An electric motor that can be used in driving a compressor and that incorporates a magnetic gear. The motor has high and low speed stators mounted within a motor casing side-by-side that drive coaxial low and high speed rotors also mounted within the motor casing for rotation and within the high and low speed stators. The high and low speed ...
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