Matches 1 - 50 out of 53 1 2 >


Match Document Document Title
US20070085426 Stator structure and manufacturing method thereof  
A stator structure includes a stator assembly and a protective body, and the stator assembly is covered by the protective body. Additionally, a manufacturing method of the stator structure, which...
US20070252451 Motor having heat-dissipating structure for circuit component and fan unit including the motor  
A motor includes a rotor and a stator. The stator includes a circuit board on which a control circuit for controlling rotation of the rotor is formed. A circuit component of the control circuit is...
US20070014675 FAN ASSEMBLY  
A fan assembly includes an impeller portion generating an air flow and a motor that rotates the impeller portion about a center axis. The impeller portion is attached to a yoke of a rotor portion...
US20080213104 Motor  
A motor includes a stator, a rotor, a top magnetic structure, and a bottom magnetic structure. The stator is disposed in a frame. The rotor is also disposed in the frame, corresponding to the...
US20070152519 Blade and yoke arrangement for cooling stator windings  
A fan comprises a hub and a stator coil disposed with the hub. A first set of blades is disposed about the hub. Second blades are disposed on an interior of the hub. An opening is provided through...
US20100253167 ELECTRIC MOTOR/GENERATOR ASSEMBLY  
An apparatus comprises a rotor supported for rotation about a longitudinal axis. The rotor comprises an elongate tubular member enclosing a substantially cylindrical space, the elongate tubular...
US20060056992 Pump assembly  
A pump assembly including an electric motor having a stator and a rotor, and an electrical or electronic motor control component having a major surface and at least one minor surface, the major...
US20080218018 COOLING FAN AND METHOD OF FABRICATION  
A cooling fan includes a fan housing (10) having a central tube (15) extending upwardly therefrom, a bearing (20) defining a bearing hole (22) therein, a stator (30) mounted on the central tube,...
US20070001523 Magnetic-positioning motor and fan  
The invention provides a magnetic-positioning motor having a magnetic element or magnet disposed at the interior center of a rotor, so that attractive force between the magnetic element and a...
US20090148086 FAN AND ROTOR OF MOTOR THEREOF  
A rotor of a motor includes a shaft, a magnetically conductive shell and a connecting element. The shaft has a groove formed at one end of the shaft. The central portion of a top wall of the...
US20070177993 Electric pump  
An electric pump may comprise a pump case (110, 150) having a pump chamber. An impeller 143 may be rotatably disposed within the pump chamber. The impeller 143 may include a magnetized cylindrical...
US20140105763 AXIAL-FLOW FAN  
An axial-flow fan according to the present disclosure can increase the amount of the airflow and simultaneously reduce the noise level. A plurality of stationary blades 11A to 11D are curved, in a...
US20070188034 Electric motor and fan unit employing the same  
A ring-shaped member is secured to a shaft of a motor between a portion of the shaft connected to a rotor and a sleeve accommodating the shaft and impregnated with lubricating oil. The ring-shaped...
US20070098571 Centrifugal fan  
The centrifugal fan includes an impeller for producing the flow of air by rotation, and a motor for rotating the impeller. The impeller includes a plurality of main blades and a plurality of...
US20070128052 CENTRIFUGAL FAN  
In a centrifugal fan, an impeller portion, fitted to a rotor portion which rotates with respect to a stator portion, rotates around a central axis J1. The impeller portion is housed in a housing...
US20140134012 IMPELLER AND ELECTRIC BLOWER HAVING THE SAME  
Disclosed herein is an impeller including: an upper surface, which is an air inlet portion; a lower surface, which is an air outlet portion; and blades formed between the upper and lower surfaces,...
US20100272586 Dust-Proof and Anti-Oil Leakage Structure for a Fan  
A dust-proof and anti-oil leakage structure for a fan comprises a blade assembly, an outer frame and a center stator. On a spindle between the blade assembly and the outer frame are installed in...
US20160333886 AXIAL COMPRESSOR AND USE OF AN AXIAL COMPRESSOR  
Disclosed is an axial compressor (1) comprising a first compressor stage (2) including a first impeller (4) driven by first drive means (6), and a second compressor stage (3) including a second...
US20100080716 ROTOR AND COOLING FAN HAVING THE SAME  
A cooling fan includes a base, a stator mounted on the base and a rotor rotatablely supported by the stator. A central tube is formed at a central portion of the base for mounting the stator...
US20150098844 FAN MODULE  
A fan module used in an electronic apparatus is provided. The electronic apparatus includes an upper cover and a lower cover. The fan module includes a fan housing, a fixing shaft, a bearing, and...
US20080298983 FAN, MOTOR AND BEARING STRUCTURE THEREOF  
A fan includes an impeller and a motor. The motor includes a rotor structure and a bearing structure. The motor is used to drive the impeller and the rotor structure has a shaft. The shaft is...
US20070280837 VORTEX PUMP  
A vortex pump comprises: an impeller that includes a plurality of blades at an outer circumference and a rotor magnet placed at an inner circumference; a shaft fixed at a center of the impeller; a...
US20070188029 PUMP AND PUMPING SYSTEM  
To provide a pump and pumping system in which the mounting efficiency is improved and which can be controlled without pulling out a flexible tape, etc. from a pump in order to satisfy a demand for...
US20160010655 FAN IMPELLER STRUCTURE AND COOLING FAN THEREOF  
A fan impeller structure and a cooling fan thereof. The fan impeller structure includes a hub and a flow guide body. The hub has an extension section extending from outer circumference of the hub....
US20140212303 BLOWER FAN  
In a blower fan according to a preferred embodiment of the present invention, a stationary portion of a motor portion includes a stator, a bearing portion, and a holding portion to which both the...
US20170074272 MOTOR STRUCTURE OF UNMANNED AERIAL VEHICLE  
A motor structure of an unmanned aerial vehicle includes a shaft seat, a stator and an external rotor. The stator is mounted around the shaft seat. The stator has a plurality of winding slots. The...
US20150043158 BLOWER FAN AND ELECTRONIC DEVICE  
A blower fan according to a preferred embodiment of the present invention is a centrifugal fan including a stationary portion, a bearing mechanism, and a rotating portion. The stationary portion...
US20080267793 COOLING FAN  
A cooling fan includes a fan housing (30) having a central tube (34) extending upwardly therefrom, a bearing (61) received in the central tube and defining a bearing hole (62) therein, a stator...
US20140134011 COOLING FAN WITH ROTOR BLADE FLANGES FOR CONTROLLING ROTOR MOVEMENT  
An exemplary cooling fan includes a housing having an air inlet and an air outlet opposite to the air inlet, a rotor received in the housing, and a stator received in the housing and rotatably...
US20130189129 Low Noise Air Movement Generator  
A low noise air generator possessing improved characteristics thereby reducing noise while maintaining or improving air flow generation and output is provided. The device may include an impeller...
US20080213103 AXIAL FLOW FAN  
An axial flow fan includes a housing defining an air inlet and an air outlet, a motor mounted to the housing and an impeller including blades. The housing includes an expanded portion adjacent the...
US20090284092 Motor Rotor  
A motor rotor includes a hub, a metal ring and a magnet ring. The hub includes a peripheral wall. The metal ring includes an engaging portion and is formed by bending a strip of metal plate to...
US20140154109 FAN SYSTEM  
A fan system in combination with a DC brushless motor. The DC brushless motor includes: a shaft, a base, a stator assembly, a rotor assembly, a control box including a second cavity, and a circuit...
US20090169399 Ultra-thin miniature pump  
An ultra-thin miniature pump applied to transport a fluid includes a main body, a rotor, and a stator. The main body includes a cover part and a bottom part. A joint surface between the cover part...
US20070231163 Motor assembly structure  
A motor assembly structure including a first bracket and a second bracket which together form a coil unit. The first bracket has a hub integrally extending from the first bracket into the second...
US20150159661 Fan with Inverted Electric Motor  
In one embodiment, a fan may include a housing having an inlet opening and an exhaust opening, a support shaft fixed to and positioned within the housing, a motor having a stator fixed on the...
US20130323094 FAN MOTOR  
Disclosed is a fan motor including: a lower bracket having a lower protruding portion disposed at the center thereof and a space portion formed around the lower protruding portion; an upper...
US20130189130 FAN MOTOR STRUCTURE  
A fan motor structure includes a fan frame, a rotor, at least one magnetic element, and a stator. The fan frame includes a frame body and a frame cover that are closed to each other to define a...
US20080238228 MAGNETIC SHAFT OF A COOLING FAN  
The present invention provides an improved structure of the magnetic shaft of a cooling fan. A magnetic attraction component is comprised of a magnetic ring, a magnetic inductive bottom board, and...
US20140294620 Cooling Fan Having a Radial-Air-Gap Motor and a Method for Determining the Dimensional Proportion of the Motor  
A cooling fan having a radial-air-gap motor is disclosed. The cooling fan includes a fan frame, an impeller and a stator assembly. The fan frame has a shaft-coupling portion. The impeller has a...
US20090246043 FAN MOTOR  
A fan motor may include a rotor part having a drive magnet and a stator part having a drive coil and rotatably holding the rotor part. The rotor part may include a rotor yoke to which the drive...
US20140341760 FAN STRUCTURE WITH EXTERNALLY CONNECTED CIRCUIT  
A fan structure with externally connected circuit includes a frame body, a stator, a fan impeller and a circuit board. The stator and the fan impeller are disposed in the frame body. The circuit...
US20070241644 SINGLE-PHASE MOTOR  
A single-phase motor comprising a rotor magnet, a stator core having salient poles, and a coil wound around the stator core, a rising portion and a falling portion of a voltage applied to the coil...
US20150004016 FAN COMPRISING NANO-BEARING  
A fan including: a fan frame, a casing, fan blades, a magnetic piece, silicon steel sheets, a coil, a circuit board, a nano-bearing, and a rotational shaft of a motor. The fan frame is disposed at...
US20090035158 COOLING FAN  
A cooling fan includes a fan housing (10) having a central tube (18) extending upwardly therein. A sleeve bearing (40) is received in the central tube. A stator (20) is mounted around the central...
US20070252460 Blower structure  
A blower includes a hollow casing having ventilating ports, a rotor formed by circumferentially arranging a plurality of blades, and a stator. The rotor is provided at one side along its axial...
US20090180902 Fan  
A fan includes a fan frame having an upright barrel, a fan blade unit having a fan hub with radial blades, and a driving module formed of a stator, an axle bearing, a core shaft and a rotor for...
US20080253907 Cooling of Stator for Compressor  
Compressor comprising a housing (1a, 1b) and with at least one partly electric-motor-driven impeller (3) arranged on a central shaft (5). The invention is characterized in that the impeller (3) is...
US20060292015 Bearing unit and motor and electric apparatus having bearing unit  
A bearing unit, including: a shaft; a first radial bearing configured to support the shaft in a circumferential direction; a second radial bearing disposed in a spaced relationship from the first...
US20060285982 DUST-PROTECTIVE CYCLING LUBRICATING STRUCTURE OF AN ELECTRIC FAN  
An dust-protective cycling lubricating structure of an electric fan is disclosed to include a hub defining a receiving chamber, a shaft rotatably mounted in the hub, an axle bearing mounted in the...

Matches 1 - 50 out of 53 1 2 >