Patent application number | Description | Published |
20100207472 | MAGNETIC GEAR - Embodiments of the present invention relate to magnetic gears comprising a pair of rotors magnetically coupled in a geared manner via a magnetic space harmonic generated as a consequence of varying an air gap between sets of permanent magnets. | 08-19-2010 |
20100283345 | ELECTRICAL MACHINES - Embodiments provide an electrical machine bearing first and second pluralities of permanent magnets having different number of pole pairs, a plurality of pole-pieces that enable the magnetic interaction between the pluralities of permanent magnets, and winding that couples with the first/fundamental harmonic of the first plurality of permanent magnets to enable electromechanical energy conversion. | 11-11-2010 |
20110012458 | MAGNETIC DRIVE SYSTEMS - A magnetic drive system comprising three members, a first and second of which form an input member and an output member each arranged to rotate relative to the third member, wherein two of the members have respective sets of permanent magnets, the two sets having different numbers of magnetic poles, and the other of the members comprises a cylindrical body having a plurality of pole pieces embedded therein, the pole pieces being arranged to modulate the magnetic field acting between the magnets, and wherein one of the pole pieces is of varying radial thickness. | 01-20-2011 |
20110057456 | DRIVES FOR SEALED SYSTEMS - A drive for a sealed magnetically geared system comprising a housing defining a sealed chamber, a driving member including a first set of magnets, and a driven member comprising a second set of magnets, one of the members being located inside the chamber, wherein the first and second sets of magnets are arranged to produce different numbers of magnetic poles, and the housing includes a wall extending between the members and supporting a plurality of pole pieces which are arranged to modulate the magnetic field acting between the magnets. | 03-10-2011 |
20110115326 | ELECTRICAL MACHINES - Embodiments of the present invention provide an electrical machine comprising a first moveable element having a first plurality of permanent magnets associated therewith, a winding arranged generally adjacent to the first moveable element, wherein the winding is arranged to interact magnetically with a magnetic field of the permanent magnets associated with the first moveable element; a second plurality of permanent magnets; a second moveable element arranged adjacent to the first moveable element and having a plurality of a plurality of pole-pieces associated therewith, wherein the pole pieces are arranged to modulate the fields of the first and second pluralities of permanent magnets to enable magnetic coupling there-between, such that the first and second moveable elements move in a magnetically geared manner. | 05-19-2011 |
20110127869 | MAGNETIC GEAR - 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. | 06-02-2011 |
20110133594 | MAGNETIC POLE-PIECE STRUCTURE - In order to provide a magnetic pole-piece having good immunity to eddy currents whilst providing a high torque rating there is provided a magnetic pole-piece ( | 06-09-2011 |
20120146442 | ELECTRICAL MACHINES - Embodiments provide an electrical machine bearing first and second pluralities of permanent magnets having different number of pole pairs, a plurality of pole-pieces that enable the magnetic interaction between the pluralities of permanent magnets, and winding that couples with the first/fundamental harmonic of the first plurality of permanent magnets to enable electromechanical energy conversion. | 06-14-2012 |
20150069871 | MAGNETIC 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. | 03-12-2015 |