The archive
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13,573 items
patent · · added 2 months ago
A permanent magnet synchronous machine with improved torque and power characteristics. A circumferential-oriented rotor assembly is provided with alternating permanent magnets and...
patent · · added 2 months ago
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...
patent · · added 2 months ago
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.
patent · · added 2 months ago
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...
patent · · added 2 months ago
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...
patent · · added 2 months ago
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...
patent · · added 2 months ago
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...
patent · · added 2 months ago
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...
patent · · added 2 months ago
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...
patent · · added 2 months ago
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...
patent · · added 2 months ago
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...
patent · · added 2 months ago
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...
patent · · added 2 months ago
A rotor body according to the present invention comprises an annular laminated core of electromagnetic steel sheets defining therein a plurality of apertures in which permanent mag...
patent · · added 2 months ago
A cylindrical magnet ring assembly having a cylinder magnet flux ring ( 102 ) formed with a plurality of inwardly projecting anchors ( 108 ); a plurality of permanent magnets ( 104...
patent · · added 2 months ago
An improved airgap armature for use in brushless rotary electrical machines is constructed with multiple phase windings comprised of wires that are wound onto and bonded to a suppo...
patent · · added 2 months ago
A gate line and a data line are formed on a first panel, a pixel electrode is divided into several small parts by an aperture, and a thin film transistor is formed on a pixel area...
patent · · added 2 months ago
In the embodiments described in the specification, permanent magnets are retained on a permanent magnet rotor rim by inverted U-shaped retainers and in one embodiment the outer sur...
patent · · added 2 months ago
In the rotor arrangement disclosed in the specification a rotor has a central shaft with a surrounding rim to which a circumferential array of pole pieces is mechanically affixed b...
patent · · added 2 months ago
In the magnet retention channel arrangement for a high speed rotor described in the specification, a rotor has an array of radially projecting, angularly spaced pole pieces and a m...
patent · · added 2 months ago
In the magnet retention channel arrangement for a high speed rotor described in the specification, a rotor has an array of radially projecting, angularly spaced pole pieces and a m...
patent · · added 2 months ago
The invention relates to a wind power current generator comprising a bearing, a tubular stator that carries a race of the bearing, a tubular rotor coaxial with the tubular stator t...
patent · · added 2 months ago
To simplify a winding structure of a stator and a rotor of an alternating current electric machine, in a winding a magnetic field formation of a magnetic pole portion is formed wit...
patent · · added 2 months ago
An electromagnetic machine is provided. The machine includes a stator extending along a longitudinal axis and having an inner surface defining a rotor receipt cavity. The rotor ext...
patent · · added 2 months ago
Each permanent magnet formed in an open-letter shape is divided into a plurality of parts, the divided magnets are respectively fitted in open letter-shaped inserting portions, and...
patent · · added 2 months ago
Hybrid wind turbine apparatus includes a pair of counter rotating rotors having micro thrusters fitted at tip of each blade of the rotors. An upright mast supports bearings underly...
patent · · added 2 months ago
An embedded permanent magnet type induction motor has a rotor that is a lamination of a plurality of rotor core plates ( 10 ). The rotor core plate is provided with a plurality of...
patent · · added 2 months ago
A multiplicity of horizontal axis rotors are coaxially attached, at spaced intervals, to an elongate driveshaft. This driveshaft with attached rotors is aimed, not directly into th...
patent · · added 2 months ago
A rotor for an electrical generator and a generator incorporating such a rotor, the rotor consisting of a central hub, a radially spaced concentric rim portion with rotor magnetic...
patent · · added 2 months ago
An electric machine includes a stator and a permanent magnet flux-concentrating rotor. The permanent magnet flux-concentrating rotor has permanent magnets and pole pieces. The perm...
patent · · added 2 months ago
A reciprocating compressor includes a closed container having a suction tube and a discharge tube, and a reference frame elastically supported and mounted in the closed container....
