What’s new

August 2026

• patent · 9 May 2006 · 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...

• patent · 9 Jan 2007 · 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...

• patent · 16 Mar 2004 · 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...

• patent · 9 Sep 2003 · 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...

• patent · 6 Jul 2004 · 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...

• patent · 6 Dec 2005 · 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...

• patent · 23 Aug 2005 · 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...

• patent · 13 Jul 2004 · 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...

• patent · 21 Sep 2004 · 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...

• patent · 18 Apr 2006 · added 2 months ago

  Rotor body and production method thereof

  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 · 2 May 2006 · added 2 months ago

  Field assembly for a motor and method of making same

  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 · 7 Dec 2004 · added 2 months ago

  Airgap armature

  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 · 21 Mar 2006 · added 2 months ago

  Liquid crystal display

  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 · 5 Aug 2003 · added 2 months ago

  Permanent magnet retaining arrangement for high speed rotors

  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 · 17 Sep 2002 · added 2 months ago

  Magnet retention arrangement for high speed rotors

  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 · 15 Apr 2003 · added 2 months ago

  Nonmagnetic magnet retention channel arrangement for high speed rotors

  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 · 10 Dec 2002 · added 2 months ago

  Magnet retention channel arrangement for high speed operation

  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 · 30 Mar 2010 · added 2 months ago

  Wind power generator and bearing structure therefor

  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 · 23 Aug 2005 · added 2 months ago

  Electric rotating machine and electromagnetic machine and apparatus

  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 · 2 Mar 2004 · added 2 months ago

  High speed rotor

  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 · 14 Jun 2005 · added 2 months ago

  Permanent magnet motor

  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 · 10 Dec 2002 · added 2 months ago

  Jet assisted hybrid wind turbine system

  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 · 27 Apr 2004 · added 2 months ago

  Embedded permanent magnet type induction motor which allows coil embedding work to be easily performed

  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 · 7 Mar 2006 · added 2 months ago

  Side-furling co-axial multi-rotor wind turbine

  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 · 27 Jan 2009 · added 2 months ago

  Rotor and electrical generator

  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 · 27 Jan 2004 · added 2 months ago

  Electric machine having at least one magnetic field detector

  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 · 8 Jun 2004 · added 2 months ago

  Reciprocating compressor

  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....

• patent · 8 Aug 2006 · added 2 months ago

  Field assembly for a motor and method of making same

  A stator of an electric motor is formed by inserting pre-formed magnets on a cylinder having anchors and plastic is molded around the magnets and anchors to secure the magnets to a...

• patent · 15 Aug 2006 · added 2 months ago

  Field assembly for a motor and method of making same

  A cylinder/magnet assembly for a field of an electric machine, such as a stator of a brush type motor or a rotor of a brushless motor, alternator or generator, is formed by stampin...

• patent · 7 Jun 2005 · added 2 months ago

  Stator assembly with an overmolding that secures magnets to a flux ring and the flux ring to a stator housing

  A stator assembly for an electric motor includes a stator housing, an expandable flux ring inserted into the stator housing and a plurality of magnets on an inner surface of the fl...