An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 7768170 | Rotary electric machine A rotary electric machine having a stator and capable of effectively utilizing both end faces of a rotor in the rotating axis direction. The stator comprises a radial part disposed in the rotating axis direction and axial parts disposed in the radial direction. The ... | 08/03/2010 |
| 7382072 | Generator An efficient and reconfigurable permanent magnet generator that comprises a permanent magnet subassembly and at least one exciter is disclosed. The permanent magnet generator may comprise a mainframe comprising at least one exciter, and a permanent magnet subassembl... | 06/03/2008 |
| 7288868 | Motor generator A motor generator is provided with a stator having a winding around each of a plurality of stator teeth, and a rotor having a plurality of permanent magnets by the number larger than that of the stator teeth, arranged in the circumferential direction at equal interv... | 10/30/2007 |
| 7262526 | Rotor for permanent magnet motor of outer rotor type A rotor for a permanent magnet motor of an outer rotor type having a plurality of permanent magnets and disposed around a stator includes a frame, an annular iron core combined integrally with the frame, and a plurality of insertion holes formed in the core so that ... | 08/28/2007 |
| 7247964 | Electrical machine with magnetized rotor An electrical machine comprises a stator and a rotor. The rotor is adapted to magnetically interact with the stator to promote rotation of the rotor about an axis. The rotor includes a rotor core and a plurality of magnetized arcs supported by the rotor core. The pl... | 07/24/2007 |
| 7088011 | Motor-generator system with a current control feedback loop A motor-generator system with a current control feedback loop for generating electrical energy in stationary, portable, and automotive applications. The generator includes a housing defining an interior space and including a first portion and a second portion; an el... | 08/08/2006 |
| 6891295 | Flywheel magneto generator A flywheel magneto generator which comprises a rotor having a magnet attached to an outer circumferential side of a flywheel and a stator constructed by winding a generating coil around a core having a magnetic pole portion opposed to a magnetic pole of the rotor, w... | 05/10/2005 |
| 6744163 | Vibration type brushless motor A vibration type brushless motor A1 in a structure of brushless motor having an outer rotor type core is composed of a shaft 3 of which a bottom end 3a is held by a bearing member 6 so as to rotate freely and a top end 3b... | 06/01/2004 |
| 6628031 | Harmonic-frequency synchronous machine with flux concentration An electric synchronous machine with improved torque characteristic has a stator and a rotor, wherein the stator includes a winding, preferably a three-phase AC winding, with an average coil width ͌sp. The rotor is provided with permanent magnets and has... | 09/30/2003 |
| 6329734 | Permanent magnet and reluctance type rotating machine A permanent magnet-reluctance type rotating machine includes an annular stator having armature windings arranged on an inner periphery of the stator, a rotor rotatably arranged inside the stator and a plurality of permanent magnets disposed in a rotor cor... | 12/11/2001 |
| 4947071 | High speed DC motor The stator electromagnets (80', 82', 84', 86', 88', 90') face inward about the rotor cavity (12) of the motor. Spaced horseshoe magnets (70) with spaced apart, opposite poles face outward about the periphery (22) of the rotor (20). The stator electromagne... | 08/07/1990 |
| 4464592 | Prime mover An electromagnetic prime mover device comprising a rotor in the form of a flywheel and a stator including a fluid-tight housing accommodating coolant.... | 08/07/1984 |