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13,573 items

August 2026

  • patent · · added 2 months ago

    Wind turbine

    A wind turbine including an open hub, foldable blades attached to the rim of the hub, and a mechanism for tilting the turbine is disclosed.

  • patent · · added 2 months ago

    Magnet retention on rotors

    Permanent magnets are mounted on a rotor of an electrical motor by an apparatus that keeps an adhesive bonding layer between the magnet and rotor in compression over wide variation...

  • patent · · added 2 months ago

    Method and apparatus for wind turbine air gap control

    Methods and apparatus for assembling a wind turbine generator are provided. The wind turbine generator includes a core and a plurality of stator windings circumferentially spaced a...

  • patent · · added 2 months ago

    Wind turbine generator

    A wind turbine generator including a nacelle having reduced size and weight is provided. The wind turbine generator includes a nacelle disposed on a tower. The nacelle includes a m...

  • patent · · added 2 months ago

    Magneto-generator

    A magneto-generator includes: a plurality of magnets disposed being bonded to an inner circumferential surface of a flywheel; and a magneto coil that is disposed in the flywheel be...

  • patent · · added 2 months ago

    Electrical machine with double-sided lamination stack

    The machine includes a rotor with an inner rotor core and an outer rotor core and a double-sided stator with an inner stator side and an outer stator side. The double-sided stator...

  • patent · · added 2 months ago

    Wind turbine comprising a generator cooling system

    A wind power installation is provided having a pylon, a pod mounted rotatably on the pylon, a generator arranged within the pod and having a rotor and a stator, and at least one fa...

  • patent · · added 2 months ago

    Polyphasic multi-coil generator

    A polyphasie multi-coil generator includes a drive shaft, at least first and second rotors rigidly mounted on the drive shaft so as to simultaneously synchronously rotate with rota...

  • patent · · added 2 months ago

    Magnet wheel of an internal combustion engine

    A magnet wheel ( 1 ) for an internal combustion engine, especially a drive motor ( 2 ) for a portable handheld work apparatus includes a hub ( 4 ) for fixing to a crankshaft ( 5 )...

  • patent · · added 2 months ago

    Electrical machine with double-sided rotor

    Machines useful for wind turbine and ship propulsion purposes include a double-sided generator or motor with two concentric air gaps. In one embodiment, the machine includes a doub...

  • 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...

  • 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...

  • 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...

  • 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...

  • 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...

  • 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...

  • 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...

  • 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...

  • 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...

  • 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...

  • 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...

  • 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...

  • 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...

  • 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....

  • 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...

  • 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...

  • 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...

  • 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...