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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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Induction machine with integrated magnetic gear and related methods
Uti Limited Partnership
March 01, 2018 - N°20180062490

An induction machine with integrated magnetic gears is disclosed. The machine comprises two rotors and two stators. An outer stator has ferromagnetic material, producing a rotating magnetic field with a defined number of pole pairs synchronized with a supply frequency. A high speed rotor has ferromagnetic material and a combination of rotor bars and permanent magnet pole pieces selected so ...
Constantly variable transmission device
Advanced Hybrid Pty Ltd
February 01, 2018 - N°20180034356

A variable ratio transmission comprising a rotor including one first set of coils; a second rotor containing first set of iron segments; a third rotor containing second and third set of coils; a fourth rotor containing second set of iron segments; a fifth rotor containing fourth set of coils; the first set of coils in magnetic communication with the first ...
Subsea pressure booster
Aker Solutions As
January 25, 2018 - N°20180023573

Subsea turbomachine for boosting the pressure of petroleum fluid flow from subsea petroleum productions wells or systems, comprising an electric motor and a compressor or pump driven by the electric motor, a fluid inlet and a fluid outlet, distinctive that the turbomachine comprises a pressure housing common for the electric motor or stator, and compressor, pump or rotor; a magnetic ...
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Long distance power transmission with magnetic gearing
Onesubsea Ip Uk Limited
December 28, 2017 - N°20170373581

Low frequency power is transmitted over long distances from a surface power supply to a subsea rotating machine, such as a pump or compressor. The low frequency power is used to rotate a motor at low speed. A liquid filled magnetic step-up gear module might be used to increase the low speed motor shaft to a higher speed output shaft ...
Laundry treatment apparatus and magnetic gear apparatus
Lg Electronics Inc.
December 14, 2017 - N°20170356118

A laundry treatment apparatus and a magnetic gear apparatus are disclosed. The laundry treatment apparatus includes a cabinet (100) defining the appearance of the laundry treatment apparatus, a drum (300) rotatably disposed in the cabinet (100) to contain laundry, and a power unit (600) for rotating the drum (300), wherein the power unit (600) includes a rotating magnetic field generator (680) securely provided in the cabinet (100) to ...
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 ...
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Magnetic Gear Patent Applications
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  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
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 ...
Substrate processing apparatus
Tokyo Electron Limited
August 03, 2017 - N°20170218514

A substrate processing apparatus includes a mounting stand installed to rotate about a rotation shaft extending along a rotary shaft of a rotary table and configured to hold a substrate, and a magnetic gear mechanism including a driven gear configured to rotate the mounting stand about the rotation shaft and a driving gear configured to drive the driven gear. The ...
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
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 ...
Cycloidal magnetic gear system
Emrgy, Inc.
April 20, 2017 - N°20170110956

A cycloidal magnetic gear system for a turbine system is disclosed. The system includes a first stator magnet ring, a second stator magnet ring positioned opposite the first stator magnet ring, and a rotor positioned between the first and second stator rings of magnets. The rotor may include a first side positioned adjacent the first stator magnet ring, and a ...
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 ...
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Magnetic Gear Patent Applications
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  • + full patent PDF documents of Magnetic Gear-related inventions.
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  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
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 ...
Gas turbine engine with magnetic gearbox
Rolls-royce North American Technologies, Inc.
September 08, 2016 - N°20160258356

A magnetic gearbox for use in a gas turbine engine includes an inner rotor assembly, a stator assembly, and an outer rotor assembly. The inner rotor assembly includes a first plurality of permanent magnets and an inner rotor. The outer rotor assembly includes an outer rotor and a second plurality of permanent magnets. Each of the inner and outer rotors ...
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
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 ...
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