patent · · added 2 months ago
Direct drive wind turbine
A wind turbine is provided that minimizes the size of the drive train and nacelle while maintaining the power electronics and transformer at the top of the tower. The turbine inclu...
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August 2026
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patent · · added 2 months ago
Permanent magnet rotor and magnet cradle
A magnet cradle for supporting a permanent magnet in an overhung recessed slot on the surface of a permanent magnet rotor having an axis of rotation. The cradle is non-magnetic and...
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patent · · added 2 months ago
Dual rotor wind turbine
A dual rotor wind turbine according to the present invention includes a rotatable drive shaft, a first rotor assembly connected to the drive shaft, a second independently-rotating...
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patent · · added 2 months ago
Liquid level detector
Two pairs of regulating means, that is, the first stopper and the second stopper, which regulate a rotary angle range of the magnet holder when the first stopper and the second sto...
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patent · · added 2 months ago
Wind turbine generator
Disclosed is a wind turbine generator, which effectively uses wind velocity while generating a minimum of noise. Two blade assemblies, which are subjected to natural wind velocity...
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patent · · added 2 months ago
Permanent magnet motor
A rotor for a permanent magnet motor includes a rotor body and a plurality of permanent magnets carried by the rotor body. The rotor body has an outside rotor surface with a plural...
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patent · · added 2 months ago
Stirling engine
A Stirling engine, wherein when a linear motor reciprocatingly move a piston in a cylinder, a displacer also reciprocatingly moves in the cylinder storing the displacer. By this, w...
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patent · · added 2 months ago
Fluid pump/generator with integrated motor and related stator and rotor and method of pumping fluid
A fluid pump integrated with a motor, a fluid pump/generator device, a rotor for a fluid pump/generator device, a stator for a fluid pump/generator device and a method for pumping...
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patent · · added 2 months ago
Liquid level detector
Two pairs of regulating means, that is, the first stopper and the second stopper, which regulate a rotary angle range of the magnet holder when the first stopper and the second sto...
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patent · · added 2 months ago
Wind turbine having a direct-drive drivetrain
A wind turbine ( 100 ) comprising an electrical generator ( 108 ) that includes a rotor assembly ( 112 ). A wind rotor ( 104 ) that includes a wind rotor hub ( 124 ) is directly co...
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patent · · added 2 months ago
Rotor for an electric motor
The invention relates to a rotor for an electric motor comprising an essentially cylindrical rotor core having a central aperture and comprising permanent magnets which are embedde...
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patent · · added 2 months ago
Rotor for an electric motor
The invention relates to a rotor for an electric motor comprising an essentially cylindrical rotor core having a central aperture, and comprising permanent magnets which are embedd...
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patent · · added 2 months ago
Electric motor
In an electric motor in which a magnet holder is provided in an inner periphery of a yoke, and a terminal insertion hole is provided in a feed connector provided in a brush holder....
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patent · · added 2 months ago
Wind energy conversion system
A wind energy conversion system includes upper and lower wind turbines having counter-rotating blade assemblies supported for rotation about a vertical rotation axis, with each bla...
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patent · · added 2 months ago
Wind energy conversion system
A wind energy conversion system includes upper and lower wind turbines having counter-rotating blade assemblies supported for rotation about a vertical rotation axis, with each bla...
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patent · · added 2 months ago
Gearbox for wind turbine
A wind turbine gear box having a compound planetary gear arrangement having bearings providing improved reliability and with greater accessibility for servicing. The gear box has p...
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patent · · added 2 months ago
Method and apparatus for wind turbine rotor load control
A wind turbine. In one embodiment, the wind turbine includes a platform and one or more gyroscopes connected to the platform to detect movement of the platform. A control circuit i...
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patent · · added 2 months ago
Method and apparatus for wind turbine rotor load control based on shaft radial displacement
Vertical and horizontal wind shears, yaw misalignment and/or turbulence act together to produce asymmetric loading across a wind turbine rotor. The resultant load produces bending...
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patent · · added 2 months ago
Trapezoidal shaped magnet flux intensifier motor pole arrangement for improved motor torque density
A permanent magnet synchronous machine with improved torque and power characteristics. A circumferential-oriented rotor assembly is provided with alternating permanent magnets and...
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patent · · added 2 months ago
Vertical axis wind turbine
The vertical axis wind turbine has two counter-rotating rotors mounted on first and second spaced apart vertical axes. Each rotor has a plurality of rotor blades extending generall...
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patent · · added 2 months ago
Wind energy installation comprising a concentric gearbox generator arrangement
A wind energy plant comprising a rotor, a rotor shaft, a gear, and a generator, the generator embodied as a ring concentrically embracing the gear.
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patent · · added 2 months ago
Wind turbine
A wind turbine for generating electrical power from wind energy includes a turbine rotor mounted for rotation in wind, and having multiple blades for converting energy in the wind...
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patent · · added 2 months ago
Wind power installation with separate primary and secondary cooling circuits
A wind power installation includes a nacelle, and energy conversion system for converting wind power into electric energy. The energy conversion system includes a heat-generating s...
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patent · · added 2 months ago
PM motor and generator with a vertical stator core assembly formed of pressure shaped processed ferromagnetic particles
A d.c. PM motor and corresponding generator having a stator core assembly which is formed of a pressure-shaped processed ferromagnetic particulate material. The spaced apart isotro...
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patent · · added 2 months ago
PM motor and generator with a vertical stator core assembly formed of pressure shaped processed ferromagnetic particles
A d.c. PM motor and corresponding generator having a stator core assembly which is formed of a pressure-shaped processed ferromagnetic particulate material. The spaced apart isotro...
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patent · · added 2 months ago
Wind turbines for electrical power generation
Improvements to wind turbines for electrical power generation, incorporating a blade ( 4 ) rotor for harnessing the action of the wind, which consists of a hub ( 3 ) prolonged at t...
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patent · · added 2 months ago
Variable diameter wind turbine rotor blades
A system and method for changing wind turbine rotor diameters to meet changing wind speeds and control system loads is disclosed. The rotor blades on the wind turbine are able to a...
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patent · · added 2 months ago
Cooling systems
Apparatus for maintaining the temperature of a component of a gas turbine engine below a predetermined maximum working temperature comprises a reservoir for a cooling fluid having...
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patent · · added 2 months ago
Cascaded rotary electric motors having axial and radial air gaps
A cascaded motor arrangement is configured with a plurality of rotor/stator sets that extend in an axial direction. A stator set contains a plurality of separate electromagnet core...
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patent · · added 2 months ago
Compact electrical machine
An electrical machine comprises a combined magnetic gearbox and electrical generator. A first set of permanent magnets ( 30 ) are arranged on a rotor ( 16 ) to produce a spatially...