Patent application number | Description | Published |
20080277094 | MINIATURE HEAT-DISSIPATING FAN DEVICE - A miniature heat-dissipating fan device is disclosed, which comprises: a frame; a shaft, pivotally connected to the frame; at least a planar coil, each being received in the frame and formed in a wave winding manner; at least a permanent magnet, each being connected to the shaft while being positioned about parallel to the at least one planar coil for enabling the generation of an alternating multipolar magnetic field; a plurality of blades, being disposed at positions corresponding to the at least one permanent magnet while centering around the axis of the shaft in a centrifugal manner; and at least a magnetically permeable back iron, disposed at a side of the at least one planar coil and being structured with a geometrical shape matching to the wave winding planar coil; wherein the plural blades are integrated with the at least one permanent magnet for enabling the same to rotate with the at least one permanent magnet synchronously. In an exemplary embodiment of the invention, the planar coil is structured with at least a hollowed area, each having a Hall-effect sensor embedded therein. With the aforesaid device, not only it can be structured as a thin-type device with improved convection efficiency, but also the magnetic flux density is increased. | 11-13-2008 |
20090146508 | RECIPROCATING POWER GENERATING MODULE - A reciprocating power generating module is disclosed, which comprises: a guide; a magnet, being an integrated unit composed of at least two magnetic elements connected with each other in a manner that poles of any one of the plural magnetic elements are orientated to repel poles of its neighboring magnetic elements; and a coil, being wound around the guide; wherein the magnet is capable of being driven to move linearly by the defining of the guide. The full sine-wave AC voltage output is obtained when the relative linear motion equals double of the length of the magnetic element. | 06-11-2009 |
20100156199 | HIGH POWER-DENSITY POWER GENERATING MODULE - A high power-density power generating module, comprising: a magnet unit having a plurality of adjacent magnets with opposite magnet-pole arrangement against adjacent ones, each with a magnetic north pole and a magnetic south pole; and a winding unit having a plurality of adjacent windings around the adjacent magnets; wherein the magnet unit is capable of moving relatively to the winding unit and the angle between the linking direction of the magnetic north pole and the magnetic south pole of each magnet and the winding surface of each winding is larger than 0 degree and smaller than 90 degrees. | 06-24-2010 |
20100303652 | MINIATURE HEAT-DISSIPATING FAN DEVICE - A miniature heat-dissipating fan device is disclosed, which comprises: a frame; a shaft, pivotally connected to the frame; at least a planar coil, each being received in the frame and formed in a wave winding manner; at least a permanent magnet, each being connected to the shaft while being positioned about parallel to the at least one planar coil for enabling the generation of an alternating multipolar magnetic field; a plurality of blades, being disposed at positions corresponding to the at least one permanent magnet while centering around the axis of the shaft in a centrifugal manner; and at least a magnetically permeable back iron, disposed at a side of the at least one planar coil and being structured with a geometrical shape matching to the wave winding planar coil; wherein the plural blades are integrated with the at least one permanent magnet for enabling the same to rotate with the at least one permanent magnet synchronously. In an exemplary embodiment of the invention, the planar coil is structured with at least a hollowed area, each having a Hall-effect sensor embedded therein. With the aforesaid device, not only it can be structured as a thin-type device with improved convection efficiency, but also the magnetic flux density is increased. | 12-02-2010 |
20110156501 | RECIPROCATING POWER GENERATING MODULE - A reciprocating power generating module is disclosed, which comprises: a guide having a hollow space along the center axis thereof; an integrated magnet composed of a plurality of magnetic elements which are aligned one next to another in a manner such that poles of each of the magnetic elements are orientated to repel poles of its neighboring magnetic elements; and a coil composed of a plurality of at-least-two-phase windings which are wound around the guide and integrated one winding next to another; wherein the integrated magnet and the coil are arranged in a manner such that the coil is received in the hollow space inside the guide, and the shape of the inner surface of the guide directs the motion path of the integrated magnet. | 06-30-2011 |
20130093278 | ROTATIONAL KINETIC ENERGY OUTPUT DEVICE - A rotational kinetic energy output device comprises a housing component, a rotational component and a magnetism generating component. The rotational component includes a rotational body pivotally connected to the housing component, and the rotational body has at least one magnetic element. The magnetism generating component includes a plurality of magnetizers and coils wound on the magnetizers, the magnetizers are disposed in the housing component and surround the rotational body. Each of the magnetizers has a first magnetic arm and a second magnetic arm extended respectively toward the rotational body, and the rotational body is disposed between the first magnetic arm and the second magnetic arm. Thereby, the rotational kinetic energy output device allows a force to be balancedly exerted on the rotational body and a thin shape is also achieved. | 04-18-2013 |
20140103773 | ELECTRICAL ROTOR AND STATOR STRUCTURE - An electrical rotor and stator structure includes at least one stator, at least one rotor and multiple outward pillar structures. The at least one stator includes multiple first magnetic members. Each first magnetic member has a first surface. The at least one rotor is able to be rotated pivotally relative to the at least one stator. The at least one rotor includes multiple second magnetic members. Each second magnetic member has a second surface facing and opposite to the first surface. The multiple outward pillar structures are installed on the second surfaces and the first surfaces. | 04-17-2014 |
20140111059 | WOUND STATOR CORE - A wound stator core disclosed is substantially formed from a spirally piled strip. In an embodiment, the strip with a specific length is formed with a first dentition and a second dentition, whereas the first dentition is featured by a first slot-number ratio and is composed of a first side and a plurality of first teeth in a manner that the plural first teeth are arranged as an array on the first side; which is also same to the second dentition while allowing the second slot-number ratio to be equal to the first slot-number ratio. In addition, each first tooth is formed with a first dental part at a free end thereof, while also each second tooth is formed with a second dental part at a free end thereof, and the first dental part of each first tooth is connected to the second dental part of its corresponding second tooth. | 04-24-2014 |
20140132102 | AXIAL FLUX HALBACH ROTOR - An axial flux Halbach rotor comprise: a first magnet set and a second magnet set. Further comprises: a plurality of first magnets that are respective featured by their respective first magnetizing directions and are arranged interconnecting to each other by the use of a first connecting element while allowing any two neighboring first magnets to be spaced from each other by a first distance; and the second magnet set further comprises: a plurality of second magnets that are respectively featured by their respective second magnetizing directions and are arranged interconnecting to each other by the use of a second connecting element while allowing any two neighboring second magnets to be spaced from each other by a second distance. In addition, the first magnet set and the second magnet set are arranged inlaid into each other while allowing the plural first magnets and the plural second magnets to be dispose alternatively. | 05-15-2014 |
20140319935 | MOVER AND STATOR ASSEMBLY OF ELECTRIC MACHINE - A mover and stator assembly of an electric machine includes at least one stator and at least one rotor. Each stator includes multiple magnetic components each including a first surface and a salient portion protruding from the first surface. The rotor includes multiple second magnetic components each including a second surface and a groove located on the second surface. The first surfaces face the second surfaces, and the width of each salient portion is less than that of each groove. | 10-30-2014 |