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Magnetic Gear patents

      

This page is updated frequently with new Magnetic Gear-related patent applications.




 Magnetic gear system patent thumbnailMagnetic gear system
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.
Jak Research, Llc


 Inherently torque limited magnetically-coupled wheels patent thumbnailInherently torque limited magnetically-coupled wheels
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° to prevent loss of sequential magnetic interaction beyond which angle, reversal of rotation relative to the driver gear would occur when the sequential magnetic interaction is re-established..

 Magnetic gear with first and second members arranged to interact in a magnetically geared manner patent thumbnailMagnetic gear with first and second members arranged to interact in a magnetically geared manner
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 with a second magnetic flux having a second number of pole-pairs, wherein the first number of pole-pairs is less than the second number of pole-pairs.. .
Magnomatics Limited


 Electric motor and magnetic gear patent thumbnailElectric motor and magnetic gear
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.

 Magnetic gears, and related systems and methods patent thumbnailMagnetic gears, and related systems and methods
A magnetic gear may comprise a first gear member comprising a plurality of permanent magnets arranged to have a first number of magnetic pole pairs and a second gear member positioned relative to the first gear member. The second gear member may comprise a plurality of individually rotatable magnetized elements each driven and synchronized with one another to selectively generate a second number of magnetic pole pairs that differs from the first number of magnetic pole pairs.
National Oilwell Varco, L.p.


 Flywheel patent thumbnailFlywheel
An apparatus and method are provided for constructing a magnetic gear coupling for transmitting torque from a flywheel to a driveshaft, the coupling employing permanent magnet arrays and magnetic flux coupling elements therebetween, and at least one of the arrays and coupling elements being circumferentially staggered or spread, so as to avoid complete alignment of the arrays and elements, and thereby mitigate torque coupling capability variations.. .

 Magnetic gear arrangement patent thumbnailMagnetic gear arrangement
A magnetic gear arrangement is provided having a first gear member that generates a first magnetic field and a second gear member that generates a second magnetic field. A plurality of interpoles are disposed between the two gear members for coupling the first and second magnetic fields to control a gear ratio between the gear members.

 Magnetic gear mechanism with coils around permanently excited magnet poles patent thumbnailMagnetic gear mechanism with coils around permanently excited magnet poles
The dynamics of a magnetic gear mechanism are intended to be improved. For this purpose, a magnetic gear mechanism with a stator, a first rotor, which has permanently excited magnet poles (2, 3), and a second rotor, which likewise has permanently excited magnet poles, is proposed.

 Downhole assembly with magnetic gearbox patent thumbnailDownhole assembly with magnetic gearbox
A magnetic change speed gearbox his described for use in a downhole assemblies having a higher speed shaft supported by a gas bearing. The downhole assembly may be one comprising a motor driving a compressor by way of a step-up magnetic gearbox or one comprising a gas turbine driving a pump by way of a step-down magnetic gearbox..

 Magnetic gear arrangement having a variable gear ratio patent thumbnailMagnetic gear arrangement having a variable gear ratio
A magnetic gear arrangement is provided having a magnetically active gear member that generates a first magnetic field, which is modulated by interpoles. The modulated magnetic field generates magnetic poles on a magnetically passive gear member, and these poles form a second magnetic field.

Flux focusing magnetic gear assembly using ferrite magnets or the like

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.

Magnetic powertrain and components

Magnetic powertrains for vehicles comprised of magnetically integrated transmission systems and components built from a plurality of magnetic gears are provided. Embodiments provide magnetic clutches, magnetic differentials, and assemblies of kinetic-electric cvts integrating one or more motors with a flywheel by the use of magnetic gears..

Heat pipe

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 engine system

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 engine

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.

Magnetic gear device

The magnetic gear device is equipped with a first magnet row in which a plurality of magnetic pole pairs are arranged at substantially equal intervals in a specific direction; a second magnet row which is opposed to the first magnet row and in which a plurality of magnetic pole pairs are arranged at substantially equal intervals in the specific direction at a pitch shorter (or longer) than that of the first magnet row; and a magnetic body row which is disposed between the first magnet row and the second magnet row and in which a plurality of magnetic bodies are arranged at substantially equal intervals in the specific direction, wherein a distance between the plurality of magnetic bodies and the second magnet row in the opposing direction is shorter (or longer) than a distance between the plurality of magnetic bodies and the first magnet row.. .

Magnetic gear-type electric rotating machine

To this end, in the present invention, a recess and a projection are provided on a surface of at least one of cores 12, 22 of a first permanent magnet field system 1 and a second permanent magnet field system 2. A projection portion 13 is disposed at a central part in a circumferential direction of permanent magnet magnetic poles 11a, 11b, and a recess portion 14 is disposed at an edge in the circumferential direction of the permanent magnet magnetic poles 11a, 11b..

Subsea pressure booster

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 gear inside the common pressure housing for operative connection between the motor or stator and compressor, pump or rotor; and a partition inside the common pressure housing, arranged so as to separate a motor or stator compartment from a compressor, pump or rotor compartment.. .

Wellbore esp system with improved magnetic gear

An electrical submersible pump system includes at least one electric motor coupled to a mechanism for hanging the pump system in a wellbore. At least one magnetic gear assembly is coupled at its input to an output of the at least one electric motor.

Magnetic gear for use with wellbore instruments

A wellbore rotating instrument system includes a source of rotational energy for transmission thereof to within a wellbore. At least one magnetic gear assembly is coupled at its input to an output of the source.

Magnetic gear mechanism

The present invention is intended to provide a magnetic gear structure that realizes a magnetic gear that transmits a torque efficiently by reducing eddy currents generated in the interior of magnets. In order to solve the subject described above, in the magnetic gear structure, a structure in which magnets are arranged in the interior of an iron core in an inner rotor portion.

Apparatus, system, and multi-stage high gear ratio high torque magnetic gear

An apparatus, system, and method for multi-state high gear ratio magnetic gear are described. The magnetic gear may have a stationary shutter assembly with a bearing supporting bracket and a shutter supporting bracket extending perpendicularly from the bearing supporting bracket.

Gas expander system

A gas expander system suitable for use in a turbomachine, the gas expander system comprising: a gas expander provided with a moveable part; a magnetic gear arrangement; and a shaft; the moveable part of the gas expander being connectable to a load via the magnetic gear arrangement and the shaft, and movement of the moveable part of the gas expander being arranged to cause movement of the shaft, wherein the magnetic gear arrangement is used in a closed loop heat recovery system, with the inner and outer rotors of the magnetic gear separated by a wall that contains the stator.. .

Cycloidal transmissions

The present invention refers to a conventional spur gear transmission or magnetic gear transmission, with a cycloidal configuration. The magnetic gears include contact points such that the mobile gear rolls on the fixed gear.

Magnetic gear device and holding member

A magnetic gear device including: an internal rotor and an external rotor in which a plurality of magnetic pole pairs are each placed in a circumferential direction substantially at equal intervals; and a holding member that is placed between the internal rotor and the external rotor and holds a plurality of magnetic materials in the circumferential direction substantially at equal intervals, wherein the number of magnetic materials is a difference between or a total of the numbers of magnetic pole pairs, the holding member includes a plurality of circular rings that hold the magnetic materials, and connecting rods that are placed in the circumferential direction substantially at equal intervals and connect the plurality of circular rings, the plurality of circular rings face each other via the magnetic materials, and each number of magnetic pole pairs is set to have the number of connecting rods as a divisor.. .

Magnetic gear mechanism

A magnetic gear mechanism including a simplified assembly of a magnetic flux modulating section in the magnetic gear mechanism which improves the strength thereof. In the magnetic flux modulating section of the magnetic gear mechanism, the magnetic flux modulating section being formed of a magnetic member and a non-magnetic member, a piece of the magnetic member and a piece of the non-magnetic member are separately produced.

Magnetic gear arrangement

A magnetic gear arrangement includes: a first gear member for generating a first magnetic field, a second gear member for generating a second magnetic field, and a coupling device which provides an arrangement of interpoles between the first gear member and the second gear member. The interpoles couple the first and second magnetic fields to produce a gearing between the first and second gear members.



Magnetic Gear topics:
  • Magnetic Gear
  • Magnetic Gears
  • Gear Transmission
  • Magnetic Material
  • Connecting Rod
  • Magnetic Field
  • Gear Mechanism
  • Rotary Connector
  • Turbo Compound


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    This listing is a sample listing of patent applications related to Magnetic Gear for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Magnetic Gear with additional patents listed. Browse our RSS directory or Search for other possible listings.


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