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Class 417/354 - Stator within armature


Subclass of Class 417 - Pumps
Definition: Apparatus in which the electric motor has a stator which
No. of patents: 155
Last issue date: 05/08/2012


1        
NumberTitleIssue Date
8172553Small sized heat dissipating fan with outward arrangement of a speed adjuster resistor having a resistance of zero ohms
A small sized heat dissipating fan includes a housing, a stator and a rotor. The housing includes a carrying base to hold the stator and rotor. The stator includes a magnetizing member having a plurality of coils and a circuit board electrically connecting to the co...
05/08/2012
8157540Fan assembly
A centrifugal fan assembly has a fan with a number of vanes at a peripheral edge of a rotor, a motor, arranged coaxially to the inside of the rotor, that rotates the fan, and a casing that houses the fan and the motor. The casing has an air inlet in the direction of...
04/17/2012
8137079Motor, fan and manufacturing method of the same
A motor according to the present invention preferably includes a boss portion preferably includes an inner ring portion including a substantially ring shaped convex portion at an axially lower end surface thereof. The boss portion preferably includes a through hole ...
03/20/2012
8113793Fan
The present invention provides fan with an inrunner motor. The fan includes a fan frame, a rotor and a stator. The fan frame includes a base. The rotor includes a hub, a bushing and a magnetic member, wherein the magnetic member sleeves on the bushing. The stator is...
02/14/2012
8092195Motor and fan apparatus having the motor
An electric motor includes a stator portion, a rotor portion, and a bearing mechanism, wherein the rotor portion includes a rotor holder having a substantially cylindrical shape with a closed end, and a field magnet fixed to an inner circumference of the rotor holde...
01/10/2012
8057195Outer rotor type fan-motor
An outer rotor type fan-motor includes: a rotational shaft; a bearing assembly that rotatably supports the rotational shaft; a stator installed at an outer side of the bearing assembly; a permanent magnet assembly that covers an outer side of the stator at a certain...
11/15/2011
8029251Fan having conical impeller cup
A fan for generating an air flow by rotating an impeller with a motor is provided. A cylindrical outer side surface of a rotor of the motor is press-fitted to an inner side surface of the impeller cup which is substantially cylindrical. An outer side surface of the ...
10/04/2011
7967575Centrifugal fan
An arrangement of a low air inlet and a circuit for driving a torque generator in an ultra-compact centrifugal fan is disclosed. In the ultra-compact centrifugal fan, a region occupied by the circuit is not completely arranged radially inside a cup-shaped portion to...
06/28/2011
7909586Fan and rotor thereof
A fan includes a frame, a stator and a rotor. The stator is disposed in the frame, and the rotor is disposed in the frame and coupled with the stator. The rotor includes a connecting element, an impeller and a shaft. The connecting element has a flange. The impeller...
03/22/2011
7766627Motor device for a fan
A fan motor device includes a fan base, an impeller set and a motor set. The fan base extends a central barrel with ball bearings fitting with the barrel. The impeller set further includes an impeller, a shaft, a spring, a motor case and a magnet. The motor set furt...
08/03/2010
7442005Fan frame and heat dissipation fan incorporating the fan frame
A heat dissipation fan includes a fan frame, a stator mounted to the frame, and a rotor rotatably disposed around the stator. The fan frame includes a bracket, a central tube for positioning the stator, and a supporting member. The supporting member is made of a mat...
10/28/2008
7431506Motor with fluid dynamic bearing and fan employing the motor
A motor includes a support member (40) having a bearing housing (20) defining a bearing hole (21) therein, a stator assembly (50) mounted to an outer periphery of the support member, and a rotor assembly (60) having a rotary shaft ...
10/07/2008
7416386Heat dissipation apparatus
A heat dissipation apparatus. A fan frame includes an air inlet, an air outlet, a passage, and a curved expansion portion. The air inlet is opposite the air outlet. The passage is between the air inlet and the air outlet, guiding airflow from the air inlet to the ai...
08/26/2008
7391611Heat-dissipating device and a housing thereof
A heat-dissipating device and a housing thereof. The housing includes a passage for guiding an air stream flowing from an opening to another opening, wherein an sidewall of the passage at least one of the opening sides extends radially outwards with a rotational axi...
06/24/2008
7334988Airflow guiding structure varying in inclinations of air-guiding rings for a heat-dissipating fan
A heat-dissipating fan includes a casing having an air outlet, a base mounted in the air outlet, an impeller being mounted on the base and having a plurality of blades, a plurality of ribs each extending between the base and the casing along a radial direction of th...
02/26/2008
7329095Blower capable of reducing secondary flow
A blower capable of reducing secondary flow comprises a frame and a wheel blade part. The wheel blade part is mounted in the frame. The wheel blade part is composed of a hub and a plurality of blades surrounding the hub. The frame is composed of a base and an upper ...
02/12/2008
7329091Heat dissipation fans and housings therefor
A heat dissipation fan and a housing thereof. The heat dissipation fan includes a housing and a plurality of blades. The housing includes an outer frame, a base, and a plurality of air-guiding elements. The base is disposed in the outer frame, supporting the blades ...
02/12/2008
7300262Heat dissipation fan
A heat dissipation fan includes a rotor (1) having a hub (10) with a permanent magnet (104) attached to an inner surface thereof, a stator (2) and a fan frame (3) having a bearing seat (36). The bearing seat (36) incl...
11/27/2007
7285885Small motor
A small motor including a rotor, a stator, a bearing member which supports the rotor shaft in the radial and thrust direction and a bearing holding member which holds the bearing member. The bearing holding member is formed in a thin plate-shaped elastic member and ...
10/23/2007
7274566Cooling apparatus for an electronics subsystem employing a coolant flow drive apparatus between coolant flow paths
A coolant flow drive apparatus is provided for facilitating removal of heat from a cooling structure coupled to a heat generating electronics component. The coolant flow drive apparatus includes a turbine in fluid communication with a primary coolant flowing within ...
09/25/2007
7271518Balancing structure for motor
A motor includes a fixed portion, a rotor, and at least one balancing plate fixed on the fixed portion. The fixed portion includes a stator having a plurality of pole plates that extend to form a plurality of pole faces, with a gap being defined between a pair of th...
09/18/2007
7267528Plastic steel bearing for blade rotor shaft of cooling fan
A bearing structure for the blade of cooling fan, comprises a hollow cylindrical body and an outward extended seat whose diameter is larger than the body. The seat has a recess at the bottom. The body forms a long cavity and upward flange. This bearing is placed in ...
09/11/2007
7265464Balancing structure for motor
A motor includes a fixed portion, a rotor, a balancing plate, and at least one sensor mounted on the fixed portion. The fixed portion includes a stator having at least one winding and a plurality of pole faces. The rotor includes an annular magnet facing the pole fa...
09/04/2007
7249571Aquarium having improved filtration system
An aquarium which includes a tank having a pump and an under gravel filter disposed in the tank below the pump. The under gravel filter includes a hollow bubble dispersing base plate having a perforated top surface and an overlying substrate. An air conduit is provi...
07/31/2007
7229255Fan with driving gear
A ceiling fan suspended from a mounting rod and comprising a transverse support. A pair of hanging fans are distally mounted on the transverse support. A motor fixed to the mounting rod and spaced radially therefrom drives a gyro gear about an axis parallel to and s...
06/12/2007
7221069Balancing structure for motor rotor
A motor includes a fixed portion having a stator with at least two pole faces. Each pole face includes a strong magnetic section and a weak magnetic section for respectively creating stronger and weaker alternating magnetic fields. A rotor includes a shaft rotatably...
05/22/2007
7211915Motor assembly using redundant bearings and support elements
A motor assembly comprises a plurality of redundant bearings, a plurality of coaxial support elements, with at least one of the support elements rotatable about an axis of rotation, and an armature rotatably guided by the plurality of support elements to rotate abou...
05/01/2007
7183680Fan with driving gear
A ceiling fan suspended from a mounting rod and comprising a transverse support. A pair of hanging fans are distally mounted on the transverse support. A motor fixed to the mounting rod and spaced radially therefrom drives a gyro gear about an axis parallel to and s...
02/27/2007
7182572Impeller assembly
An impeller assembly has a hollow body, multiple main blades and multiple booster blades. The main blades are mounted around the body to define multiple flow channels between the main blades. The boosting blades are mounted around the body at the bottom edge and eac...
02/27/2007
7184269Cooling apparatus and method for an electronics module employing an integrated heat exchange assembly
A cooling apparatus for an electronics assembly having a substrate and one or more electronics devices includes an enclosure sealably engaging the substrate to form a cavity, with the electronics devices and a heat exchange assembly being disposed within the cavity....
02/27/2007
7175399Serial ventilation device
An apparatus for a serial ventilation device that increases airflow compared to conventional devices without increasing the size is presented. The first ventilator is mounted on the intake opening side of the serial ventilation device, with the front surface of its ...
02/13/2007
7177124Brushless DC fan motor driving circuit
The present invention is a brushless DC fan motor driving circuit, comprising a control unit, a Hall element, a temperature sensor with negative temperature coefficient, and a motor, as tied in with a plurality of resistors, capacitors, diodes and transistors. Accor...
02/13/2007
7157872Ceiling fan with outer-rotor DC brushless motor
A ceiling fan with an outer-rotor type DC brushless motor has a center base with multiple blades and a DC brushless motor as a driving source for the fan. The DC brushless motor includes a controller, magnetism sensors, a stator with stator windings and a rotor asse...
01/02/2007
7132772Electric fan for vehicle use
The cooling air introducing port 24 is open to a lower portion of an axial direction end portion of the motor housing member 11, 12, the water-proof cover 25 for covering the cooling air introducing port 24 is attached to the outside of t...
11/07/2006
7132769Capacitor motor with terminal arrangement
A terminal arrangement of a motor has a terminal base formed with a plurality of terminal pins, the terminal base being fixed detachably on a stator iron core of a motor, terminal pins formed on bobbins, connected electrically with windings wound around the bobbins,...
11/07/2006
7122924Rotor device capable of forcing heat dissipation
A rotor device capable of forcing heat dissipation includes a hub and an inner casing. The hub provides a closed end with at least a through hole radially disposed thereon and a projection extending therefrom along the circumference of the through hole. The inner ca...
10/17/2006
7118353Fluid transport system and method therefor
A reduced pressure or pressurizing pump is provided which can be used in a wide variety of fields of foods, pharmaceuticals, medical treatment, agriculture, healthcare equipment, room air conditioning, combustion, biotechnology, and so on. By the application of the ...
10/10/2006
7112906Motor rotor and manufacturing method thereof
A motor rotor. The motor rotor adapted to be used in a fan includes a hub, a metal plate and a magnet. The metal plate has a first end and a second end. The metal plate is disposed in the hub. The magnet is disposed in the metal plate. A method for manufacturing a m...
09/26/2006
7110255Heat-dissipating device and a housing thereof
A heat-dissipating device and a housing thereof. The housing includes a passage for guiding an air stream flowing from an opening to another opening, wherein an inner wall of the passage at at least one of the opening sides extends radially outwards with a rotationa...
09/19/2006
7106587Fluid moving device with a radiation module
A fluid moving device with a heat radiation, which is mounted to a conductive part to dissipate heat from a heat generation part under the fluid moving device and another heat generation part around the first heat generation part, includes a first frame member, whic...
09/12/2006
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