| Patent application number | Description | Published |
|---|
| 20080228752 | Technical correlation analysis method for evaluating patents - A technical correlation analysis method for evaluating patents includes the steps of: entering a technical term to determine a user-defined search, and to obtain a set of patent documents of search results; counting the number of times citing patent references in the patent documents, so as to generate a correlation index of the cited patent references; and ranking the patent references according to the correlation index of the cited patent references. | 09-18-2008 |
| 20080272722 | Brushless direct current motor driving circuit - A brushless DC motor drive circuit includes a drive unit and a transient current suppression circuit. The drive unit comprises a Hall component, a drive component, a first transistor and a second transistor. The Hall component detects the position of a rotor of the DC motor and transmits digital command signals to the drive component; the drive component further generates two complementary digital command signals; and the first and second transistors connect with the drive component respectively. The transient current suppression circuit comprises a first auxiliary transistor and a second auxiliary transistor, wherein the first auxiliary transistor receives one of the complementary digital command signals different from the other one received by the first transistor and the second auxiliary transistor receives the other one of the complementary digital command signals different from the one received by the second transistor. | 11-06-2008 |
| 20080304778 | Bearing for motor - A bearing is mounted in an axle tube of a motor and includes an axial hole for rotatably receiving a shaft of the motor. At least one guiding groove is defined in a peripheral wall defining the axial hole. The guiding groove extends axially from an end face toward but spaced from the other end face. The guiding groove includes a deposit space formed at a bottom thereof for receiving carbide and impurities to enhance the lubricating effect and to prolong the life of the motor. | 12-11-2008 |
| 20090028715 | Impeller - An impeller includes a hub having a top portion and an annular wall extending from a circumference of the top portion in a direction perpendicular to the top portion. The top portion includes a shaft base for coupling with a shaft located in an inner space defined by the top portion and the annular wall. A plurality of blades are mounted to an outer periphery of the annular wall. A metal ring is mounted in the inner space of the hub. The annular wall has a thickness substantially smaller than that of the top portion, allowing the metal ring to be inserted into the inner space by tight coupling. | 01-29-2009 |
| 20090028716 | Impeller - An impeller includes a plurality of portions, a plurality of bends, and a plurality of blades. A substantial thickness of a portion is smaller than a substantial thickness of another portion more adjacent to a central axis of the impeller. Each bend is interconnected between two portions adjacent to each other. The blades are formed on the portion most distant to the central axis. The overall weight of the impeller is reduced. Furthermore, the impeller has improved mass uniformity and hence improved overall balancing precision. | 01-29-2009 |
| 20090152965 | Winding Assembly for Motor - A winding assembly for a motor includes a base having a supporting face. A winding includes two ends and a plane that is in intimate contact with the support face of the base. A packaging body encloses the base and the winding. Two electrical connection members are respectively connected with the ends of the winding. Each electrical connection member is partially exposed outside the packaging body. | 06-18-2009 |
| 20090152973 | Winding Module for Motor - A winding module for a motor includes at least one support and a plurality of windings positioned on and supported by the support. The windings are electrically connected to each other and include a plurality of wire connections. A packaging body encloses the support and the windings. The packaging body includes a mounting hole for receiving an axle tube of a motor. A plurality of electrical connection members are respectively coupled with the wire connections. Each electrical connection member is partially exposed outside the packaging body. | 06-18-2009 |
| 20090153001 | Driving Circuit Board Assembly for Motor - A driving circuit board assembly for a motor includes a plurality of driving circuit boards having a plurality of faces for mounting a plurality of electronic elements thereon. The driving circuit boards are stacked in an axial direction of a motor. Two of the driving circuit boards adjacent to each other are spaced by a conductive connecting member that is in electrical connection with the two driving circuits. | 06-18-2009 |
| 20090169377 | Fan Frame Structure - A fan frame structure includes a plastic casing and a metal fixing frame. The plastic casing and the metal fixing frame are provided for an axial flow fan or a blower fan. The plastic casing includes a bottom having a plurality of first fixing portions. The metal fixing frame includes a base having a base with a shaft tube seat in a center thereof. The base includes a plurality of second portions each engaged with one of the first fixing portions. Since the plastic casing is made of inexpensive plastic material, the manufacturing costs are cut. The metal fixing frame provides sufficient structural strength and desired heat dissipating effect. | 07-02-2009 |
| 20090189492 | Heat Dissipating Fan - A heat dissipating fan includes a fan housing having an outer frame portion. An air inlet and an air outlet are respectively defined in two ends of the outer frame portion. A hollow motor casing is formed in and integral with the outer frame portion. An inner-rotor-type motor is mounted in the motor casing and includes a rotor and a stator. The rotor is rotatably received in the stator and includes a shaft and a magnetic element. The shaft extends beyond the motor casing. The magnetic element is coupled with the shaft and faces the stator. At least one impeller is coupled to the shaft and located outside the motor casing. A circuit board is electrically connected to the stator. | 07-30-2009 |
| 20090202349 | Self-Assembly Micro Fan - A self-assembly micro fan includes a body, a plurality of blades and flexible joints, with any one of the blades being connected to the body by one of the flexible joints while each flexible joint is regarded as a pivot to move the blade connected therewith to have an angle relative to a radial direction of the body. Besides, each of the flexible joints has plural link members or at least one link member and extension member to provide variable types of shape of the micro fans, so that the air driving efficiency of the self-assembly micro fan is improved. | 08-13-2009 |
| 20090261672 | BEARING POSITIONING STRUCTURE FOR MOTOR - A bearing positioning structure for a motor includes an axial tube and a positioning member. The positioning member includes a pressing portion and a coupling portion. The coupling portion of the positioning member is engaged with a coupling section of the axial tube for securely mounting the positioning member to the axial tube, with the pressing portion of the positioning member pressing against a bearing to position the bearing in the axial tube. In another example, the coupling portion of the positioning member engages with a coupling section on a stator. | 10-22-2009 |
| 20090261674 | RETAINING STRUCTURE FOR MOTOR ELEMENTS - A retaining structure for motor elements includes an axial tube and a cap. The cap includes a stop and a coupling portion. At lease one motor element is received in the axial tube. The coupling portion of the cap is engaged with a coupling section of the axial tube for securely mounting the cap to the axial tube, with the stop of the cap covering an end of the axial tube to prevent the motor element from disengaging from the axial tube. In another example, the coupling portion of the cap engages with a coupling section on a stator. | 10-22-2009 |
| 20090261692 | Motor - A motor includes a base, a stator and a bearing both mounted to the base, a rotor and a retaining ring. The rotor includes a shaft having an annular groove formed in an outer periphery thereof to form a neck with a first outer diameter. The shaft includes an obstructing portion forming an end edge of the annular groove and having a second outer diameter larger than the first outer diameter. The retaining ring is partially received in the annular groove. The retaining ring includes a combining section for positioning itself and a retaining section delimiting a through hole with a diameter larger and smaller than the first and second outer diameters respectively to form a gap between the through hole and neck. Consequently, noise by friction of the retaining ring against the shaft and departure of the rotor from the base are avoided with unlimited assembly of the motor. | 10-22-2009 |
| 20090284092 | 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 form a cylindrical ring mounted to an inner surface of the peripheral wall of the hub. The metal plate includes a first positioning portion and a second positioning portion respectively on two ends thereof. The first and second positioning portions are joined together to form the engaging portion. The magnet ring is mounted to an inner radial surface of the metal ring. Accordingly, by configuration of the engaging portion, stable formation of the cylindrical metal ring is assuredly provided. | 11-19-2009 |
| 20090284094 | Rotor Structure for Motor - A rotor structure for motor includes a shaft, a magnet, and two fixing seats. The shaft passes through the magnet and the two fixing seats, with the two fixing seats being adjacent to and abuts against two end faces of the magnet respectively. The magnet slightly closely fits or loosely fits the shaft, and the two fixing seats closely fit the shaft, such that the magnet is positioned at a predetermined position relative to the shaft without rupture. Furthermore, the two end faces and two abutting faces by each of which the fixing seat abuts against one of the end faces are formed with rough surfaces or corresponding grooves and protrusions, so as to achieve stable-engaging effect between the magnet and fixing seats. | 11-19-2009 |
| 20090284095 | Motor Rotor - A motor rotor includes a hub having a peripheral wall. A metal ring includes an engaging portion. The metal ring is formed by bending a strip of metal plate to form a cylindrical ring. The metal plate includes first and second positioning portions on two ends thereof. The first and second positioning portions are coupled with each other to form the engaging portion. The metal ring is coupled to an inner peripheral face of the peripheral wall of the hub. A magnet ring is coupled to an inner peripheral face of the metal ring. | 11-19-2009 |
| 20090295254 | Brushless DC Motor - A brushless DC motor includes a base, a stator, a rotor, and a leak flux absorber. The base is for the rotor to couple. The stator has a coil module and is mounted on the base. The rotor has a shaft and a permanent magnet, with the rotor coupling with the base through the shaft and a gap is axially formed between the permanent magnet and the coil module. And the leak flux absorber is disposed around the coil module and is adjacent to, partially in, or totally in the gap. Consequently, a leak flux generated by the permanent magnet, which does not pass through the coil module, is absorbed by the leak flux absorber and forms close magnetic flux paths, so that the high-frequency noise in operation is thus lowered. | 12-03-2009 |
| 20090309437 | Motor - A motor includes a housing, a rotor and a stator. The housing includes a shaft tube receiving a bearing. The rotor includes a shaft rotatably extending through the bearing and having an annular groove in a neck shape formed on an outer periphery thereof. The stator includes an assembling hole receiving the outer periphery of the shaft tube, with the stator including an upper bobbin, a lower bobbin, a plurality of silicon steel plates sandwiched between the upper and lower bobbins, and a winding wound around the plurality of silicon steel plates. The upper bobbin includes an abutting member formed on an inner periphery thereof. The abutting member abuts against the bearing and extends into the annular groove of the shaft to avoid the bearing and the rotor disengaging from the shaft tube. Consequently, assembling convenience and rotating stability of the motor are enhanced. | 12-17-2009 |
| 20090309438 | Motor Structure - A motor structure includes a housing having a shaft tube receiving a bearing. The shaft tube includes a positioning section on an outer periphery thereof. A rotor includes a shaft rotatably extending through the bearing. A stator is mounted around the shaft tube and includes an upper bobbin having an abutting portion and a lower bobbin having an engaging portion. The positioning section of the shaft tube provides the engaging portion of the lower bobbin with an axial supporting force along a longitudinal axis of the shaft tube to position the stator in a fixed axial position relative to the bearing along a longitudinal axis of the shaft tube. Also, the abutting portion of the upper bobbin abuts the bearing to prevent the bearing from disengaging from the shaft tube. | 12-17-2009 |
| 20100028177 | Miniature Fan - A miniature fan includes a base and a stator mounted in the base. A rotor includes a hub having a plurality of blades on an outer periphery thereof. A magnetically sealing ring includes first and second engaging faces. The first engaging face is coupled to a bottom edge of each blade. A permanent magnet is coupled to the second engaging face of the magnetically sealing ring and aligned with the stator. Given the same air output, the miniature fan has a reduced volume. | 02-04-2010 |
| 20100059209 | HEAT DISSIPATING DEVICE - A heat dissipating device includes a fan, a heat sink, and a heat conductive member. The heat sink includes a base having opposite first and second faces. The first face includes a plurality of fins extending from a peripheral area thereof. The fins define a compartment in which the fan is mounted. The second face includes a central section corresponding to the compartment receiving the fan. The second face further includes a peripheral section corresponding to the peripheral area from which the fins extend. The heat conductive member is mounted to the second face of the base and adapted to be in contact with a heat-generating member. The heat conductive member includes at least one heat pipe extending from the central section to the peripheral section. | 03-11-2010 |
| 20100061098 | LAMP - A lamp comprises a housing, a heat dissipating unit, a light emitting member and a screen. The housing includes a lens and a base on two ends thereof, with an outlet section and an inlet section being formed on the wall of the housing. The heat dissipating unit is mounted inside the housing. The light emitting member is coupled to the heat dissipating unit and electrically connects to the base of the housing. The screen is in the form of a mesh that has a plurality of tiny holes and covers the inlet section of the housing. Consequently, by use of the screen, the lamp can meet standards for safety, gas flow impedance is reduced to enhance dissipating heat dissipating effect of the heat dissipating unit and insects are prevented from entering the housing. | 03-11-2010 |
| 20100066189 | Rotor for Motor - A rotor for a motor includes a shaft having an outer periphery with a positioning portion. The positioning portion has non-circular cross sections perpendicular to a longitudinal axis of the shaft. A plastic magnet is formed on the outer periphery of the shaft by injection molding. The plastic magnet includes an inner periphery engaged with the positioning portion. Thus, the plastic magnet is prevented from disengaging from the shaft and from rotating relative to the shaft. As a result, the rotor has enhanced engaging effect between the shaft and the plastic magnet. Furthermore, the rotor has a simple structure to allow easy assembly. | 03-18-2010 |
| 20100072843 | Motor - A motor includes a bearing having first and second end faces spaced along a longitudinal axis thereof. A longitudinal hole extends from the first end face through the second end face and includes a recessed portion having first and second peripheral edges respectively contiguous to the first end face and an inner periphery of the longitudinal hole. A retaining member is mounted to the first end face. A radial spacing between an inner periphery of a through-hole of the retaining member and the inner periphery of the longitudinal hole of the bearing in a radial direction is not greater than an axial spacing from the first end face to the second peripheral edge. The retaining member further includes a plurality retaining plates. The recessed portion provides a space sufficient to allow deformation of the retaining plates when inserting a shaft through the through-hole into the longitudinal hole of the bearing. | 03-25-2010 |
| 20100073873 | Inner-Rotor-Type Heat Dissipating Fan - An inner-rotor-type heat dissipating fan comprises a fan housing, a seal casing, an inner-rotor-type motor, an impeller and a circuit board. The fan housing includes an outer frame portion and a motor casing. The seal casing is a hollow housing made of magnetically conductive material. One end of the seal casing forms a connecting portion coupling to the motor casing. The inner-rotor-type motor is mounted inside the seal casing. The impeller is coupled to the inner-rotor-type motor and outside the seal casing. The circuit board is electrically connected to the stator. By this configuration, rotation stability of the impeller is enhanced by the inner-rotor-type motor, airflow generated by rotation of the impeller is effectively concentrated and guided by the fan housing and a sealing effect for avoiding magnetic flux leakage is provided by the seal casing. Consequently, heat dissipating efficiency is enhanced. | 03-25-2010 |
| 20100074566 | Leakproof Structure of Shaft Tube - A leakproof structure of shaft tube comprises a shaft tube, a bearing, a shaft and a leakproof plate. The shaft tube includes a center hole, an upper section adjacent to an open end of the shaft tube and a lower section having an inner diameter smaller than that of the upper section. The bearing received in the lower section includes a longitudinal hole. The shaft rotatably mounted into the bearing includes an annular groove formed in an outer periphery thereof to form a neck of the shaft. The neck has an outer diameter smaller than that of two sections of the shaft, with said two sections being adjacent to two end edges of the annular groove. The leakproof plate fixed in the upper section includes a through-hole with a diameter smaller than the outer diameters of the two sections of the shaft, with an inner edge of the leakproof plate being in the annular groove. | 03-25-2010 |
| 20100098560 | Miniature Heat-Dissipating Fan - A miniature heat-dissipating fan includes a stator and a rotor. The stator has a first leakage flux absorber, a coil layer arranged on the first leakage flux absorber, and a hole. The coil layer has a plurality of coils and the hole passes through the first leakage flux absorber and the coil layer. The rotor has an impeller, a second leakage flux absorber and a permanent magnet. The second leakage flux absorber and the permanent magnet are attached to a bottom of the impeller, such that the rotor is rotatably coupled to the stator. Consequently, magnetic flux leakage under the stator is prevented to assure that electromagnetic interference will never be caused, and an overall axial thickness of the miniature heat-dissipating fan is reduced by the configuration of the stator. | 04-22-2010 |
| 20100109460 | Motor - A motor includes a base, a stator, a retaining seat, a bearing, a retaining ring and a rotor. The base has a shaft tube with an assembling hole. The stator is mounted around the shaft tube. The retaining seat, bearing and retaining ring are received in the assembling hole. Outer diameters of the retaining seat and the retaining ring are equal to a diameter of the assembling hole. The bearing is sandwiched and positioned between the retaining ring and the retaining seat. Radial and axial movement of the retaining seat, the bearing and the retaining ring is avoided effectively after being mounted into the shaft tube, so that the rotor is smoothly coupled to the retaining ring, the nearing and the retaining seat. Consequently, convenience of assembling and a simplified structure are provided. | 05-06-2010 |
| 20100127588 | Motor - A motor includes a base, a stator, a bearing, a positioning member and a rotor. The base includes a shaft tube. The stator is mounted around the shaft tube. The bearing is received in the shaft tube. The positioning member is fixed to an end of the shaft tube and has a pressing portion to prevent movement of the bearing in the shaft tube. A plurality of retaining plates is formed on the positioning member. Each retaining plate has a retaining end. The rotor includes a shaft having an annular groove formed in an outer periphery thereof. The retaining ends of the retaining plates are in the annular groove to avoid departure of the rotor from the base. Consequently, by a single-component design of the positioning member, departures of the rotor and the bearing are both avoided. | 05-27-2010 |
| 20100133938 | Rotor - A rotor includes a hub, a permanent magnet and a shaft. The hub has an inner surface and an outer surface, with an assembling hole being formed at the center of the inner surface. The permanent magnet is mounted on the inner surface of the hub. The shaft has two ends with one of which is a connecting end. The connecting end is fixed in the assembling hole of the hub. An extending member is arranged at the connecting end and extends radially from a radial surface of the shaft. The extending member is embedded in a wall of the hub. Consequently, a contact area between the hub and the shaft is radially to extended and increased to provide a reliable combination of the hub and the shaft, and the rotor can be applied to a motor with minimizing dimensions. | 06-03-2010 |
| 20100213883 | VARIABLE-DELAY-TIME CONTROL SYSTEM FOR A MOTOR - A variable-delay-time control system for a motor is provided. The system includes a control unit, a driving unit, and a motor. The control unit is used to output at least one control signal according to at least one predetermined signal, and the control signal has a variable delay time. The driving unit is connected to the control unit, and is used to receive the control signal and generate a driving signal. The motor is connected to the driving unit, and conduction time of the motor is controlled according to the driving signal and the variable delay time. With the variable-delay-time control system of the present invention, the delay time of the control signal is variable, so the motor can operate at a high efficiency (for example, at a reduced current). Moreover, as the variable-delay time can be adjusted according to the predetermined signal, the motor can operate at a high efficiency in different operating states, thus improving the overall efficiency of the motor. | 08-26-2010 |
| 20100231073 | Inner-Rotor-Type Motor - An inner-rotor-type motor includes a housing, a stator, a rotor, a permanent magnet and a cover plate. The housing has a compartment. The stator is received in the compartment. There is an assembling hole arranged at the axial center of the stator and passing through the stator from the top to the bottom thereof. The rotor has a shaft with one end thereof rotatably extending through the assembling hole, with a bearing being mounted around the shaft. The permanent magnet is fixed to an outer periphery of the shaft and beside the bearing, with the permanent magnet facing the stator. The cover plate is arranged between the permanent magnet and the bearing. Consequently, impurities are prevented from entering an undesired interstice between the bearing and the shaft or entering the inside of the bearing, such that smooth rotation of the rotor is provided and life of the inner-rotor-type motor is extended. | 09-16-2010 |
| 20100231097 | Micro-Motor - A micro-motor includes a base, a rotor and a retaining member. The base includes an axle tube. The rotor includes a rotary member and a support member arranged between the rotary member and the base. The rotary member has a central hole where the axle tube of the base extends. The retaining member is mounted on the base and surrounds the rotor. One end of the retaining member, which doesn't couple to the base, extends towards the axle tube to form a retaining portion. The retaining portion is within a rotational area of the rotor in an axial direction of the axle tube. The rotor is arranged between the retaining portion and the base. Accordingly, the retaining member can retain the rotor to prevent departure of the rotor from the axle tube of the base and the central structure of the micro-motor is effectively simplified. | 09-16-2010 |
| 20100232168 | LAMP DEVICE - A lamp device includes a housing having first and second ends spaced in an axial direction. The housing further includes an air inlet portion and an air outlet portion. A circuit board is mounted in the housing and electrically connected to an electrical connection portion on the first end of the housing. The circuit board includes a substrate having first and second sides spaced in the axial direction and respectively facing the second and first ends of the housing. The circuit board further includes electronic elements. One of the electronic elements having the largest height in the axial direction is mounted on the first side. A heat dissipating module is mounted in the housing and between the air inlet portion and the air outlet portion. A lighting element is coupled to the heat dissipating module and electrically connected to the circuit board. | 09-16-2010 |
| 20100232948 | Fan Housing - A fan housing includes a casing body, two air vents, an assembling portion, two supporting ribs and a side outlet. The air vents and assembling portion are formed in a base plate of the casing body. The assembling portion is surrounded by the air vents. The supporting ribs spaces out the air vents. A remaining portion of the base plate other than the air vents, the assembling portion and the supporting ribs being defined as a border that surrounds and adjoins the air vents, with each supporting rib linking the assembling portion and the border. A dividing line is defined in the base plate to divide the casing body into an output section close to the side outlet and a temporarily-staying section away from the side outlet by the dividing line, and each supporting rib is not completely within the output section. Consequently, turbulence in the output section is suppressed. | 09-16-2010 |
| 20100232957 | Blower Fan - A blower fan includes a housing having a compartment. A stator and an impeller are mounted in the compartment. The housing further includes an air inlet and an air outlet both communicated with the compartment. The impeller has a hub and a plurality of vanes coupled to the hub. Each vane includes an upper edge whose end is an air input portion adjacent to the air inlet of the housing, and an air gap is formed between the upper edge of each vane and a top of the housing, with various widths of the air gap ranging from 0.3 mm to 2.0 mm, while a shortest width of the air gap is formed between the air input portion of the upper edge and the top of the housing for providing reduced turbulence and noises. | 09-16-2010 |
| 20100237782 | SELF-DUSTING LAMP DEVICE - A self-dusting lamp device includes a housing, a heat-dissipating module, a lighting element and a controlling unit. The housing has an air inlet portion and an air outlet portion on the outer periphery thereof. The heat-dissipating module has a heat-dissipating fan mounted in the housing. The lighting element is coupled to the heat-dissipating module for illumination. The controlling unit has a driving circuit electrically connected to the heat-dissipating fan and a direction controlling circuit electrically connected to the driving circuit. The direction controlling circuit controls the heat-dissipating fan to rotate in a normal direction for dissipating heat or to rotate in a dusting direction for dusting down the housing through the driving circuit. | 09-23-2010 |
| 20100243218 | Heat-Dissipating Fan - A heat-dissipating fan includes a housing, a stator, a rotor and at least one retaining member. The stator and rotor are received inside the housing. The rotor includes an impeller having a plurality of blades. The at least one retaining member is removably mounted to the housing and includes a retaining plate. In an axial direction of the rotor, the retaining plate extends to be above and within a rotational area of the blades to retain the rotor to avoid departure of the rotor from the housing, even if the heat-dissipating fan is hit hard while it is packed, moved, transported or operating. Besides, the arrangement of the retaining member won't result in reduction of air input. Consequently, the retaining member can be quickly mounted to the housing at a predetermined position to enhance convenience of assembly. | 09-30-2010 |
| 20100244758 | FAN DEVICE WITH IMPROVED SPEED CONTROL MODULE AND PLURAL FAN SYSTEM CONSTRUCTED THEREBY - A fan device with improved speed control module includes a stator, a rotor, and a speed control module. The stator has a driving unit outputting currents for the stator to generate alternative magnetic fields and thus turn the rotor. The speed control module includes a control unit and a speed adjusting circuit, with the control unit generating a control command for the driving unit and further outputting a state signal for the speed adjusting circuit to control whether a PWM signal enters the control circuit or not. | 09-30-2010 |
| 20100247307 | Housing for Axial-Flow Fan - A housing for axial-flow fan includes a frame, a seat and a plurality of stationary blades. The frame has an air inlet and an air outlet. The seat is received in the frame and at a position where the air outlet is formed. Two ends of each stationary blade are respectively fixed to an outer periphery of the seat and an inner periphery of the frame. Furthermore, extending directions of any two adjacent stationary blades jointly define an included angle and all of the included angles formed by all of the stationary blades are of more than two values in degrees, so that the stationary blades are not spaced with equal intervals. Consequently, while sucked air passes by the stationary blades, noises with the same tone can be suppressed effectively. | 09-30-2010 |
| 20100259115 | Motor - A motor includes a base, a stator mounted to the base, a rotor rotatably coupled to the base, and a balancing member. The rotor includes a permanent magnet having a first magnetically conductive face with a first width in a radial direction. The balancing member includes an upper surface facing the permanent magnet. A magnetically conductive section is formed between the upper surface and the first magnetically conductive face. The balancing member further includes a magnetically attracting portion in the magnetically conductive section. The magnetically attracting portion includes a second magnetically conductive face having a second width in the radial direction. The second width is not greater than the first width. A magnetically attracting spacing is formed between the first and second magnetically conductive faces and in a range of 0.2-1.5 mm. | 10-14-2010 |
| 20100259932 | LIGHT EMITTER WITH HEAT-DISSIPATING MODULE - A light emitter with heat-dissipating module includes a light unit, a first heat-dissipating member, a second heat-dissipating member and a fastening member. The light unit includes a light-emitting element and a supporting plate having a pair of opposite surfaces. The first heat-dissipating member includes a first combining surface and a heat-dissipating portion. The first combining surface contacts with one of said two opposite surfaces of the supporting plate. The second heat-dissipating member includes a second combining surface and a heat-dissipating portion. The second combining surface contacts with the other of said two opposite surfaces of the supporting plate. The fastening member couples to the supporting plate, the first heat-dissipating member and the second heat-dissipating member to fix the combination of the supporting plate and the first and second heat-dissipating members. | 10-14-2010 |
| 20100272567 | HEAT-DISSIPATING FAN HOUSING - A heat-dissipating fan housing includes a casing having a compartment with an impeller section, a stationary blade section, and an airflow concentration section arranged from an air inlet toward an air outlet spaced from the air inlet in an axial direction. A mounting portion is received in the compartment, and an impeller is rotatably coupled to the mounting portion for driving airflows. Stationary blades are interconnected between the casing and the mounting portion and are received in the stationary blade section. Each stationary blade includes a first edge facing the air inlet and a second edge facing the air outlet. The airflow concentration section is between the second edge of each stationary blade and the air outlet in the axial direction. The airflow concentration section concentrates the airflows after passing through the stationary blades. The noise is reduced, the wind pressure is increased, and less electricity is consumed. | 10-28-2010 |
| 20100283344 | Inner-Rotor-Type Motor - An inner-rotor-type motor according to the preferred teachings of the present invention includes a housing, a stator, a rotor and a bearing seat. The stator is received in an assembly space of the housing. The rotor is rotatably positioned in the housing via a bearing and extends through a through-hole of the stator. The bearing seat includes a socket having a first recess and second recess and couples to the assembly opening of the assembly space. A stopper is at least a part of the upper wall of the socket and arranged between the first recess and the second recess. The bearing can pass through an end of the socket and be positioned in the first recess, while a circuit board can pass through another end of the socket and be positioned in the second recess. Accordingly, the assembly is simplified and the assembly convenience is improved. | 11-11-2010 |
| 20100289375 | Stator Core - A stator core includes a magnetically conductive member coated with an insulating layer. The magnetically conductive member is integrally formed as a single continuous monolithic piece. The magnetically conductive member includes a ring, a plurality of pole teeth, and a plurality of magnetic pole portions. The ring has an inner periphery defining a compartment. Each pole tooth includes a first end contiguous to the inner periphery of the ring and a second end extending in the compartment. Each magnetic pole portion is contiguous to the second end of one of the pole teeth. The stator core can be utilized to form a stator for an inner rotor motor. Each pole tooth can include arcuate guide portions to allow easy winding of coils. | 11-18-2010 |
| 20100302769 | LAMP - A lamp includes a substrate having first and second sides. At least one lighting element is mounted on the first side. An air-guiding member is mounted to the substrate. An airflow chamber is formed between the air-guiding member and the second side of the substrate. The air-guiding member includes a plurality of air-guiding holes in communication with the air-guiding chamber. A plurality of heat-dissipating fans is respectively mounted to the air-guiding holes. A control unit is electrically connected to the heat-dissipating fans. The control unit controls operation timing and operation modes of the heat-dissipating fans so that the lamp has a plurality of heat-dissipating modes. | 12-02-2010 |
| 20100308682 | Stator Manufacturing Method for a Motor and Stator Utilizing the same - A stator manufacturing method for a motor comprises a preliminary step configured to provide a strip plate having at least one wound portion on a surface thereof; a winding step configured to provide a coil unit and wind the coil unit around the at least one wound portion of the strip plate; a rolling step configured to roll up the strip plate into an unshaped sleeve having a central hole, wherein the at least one wound portion and the coil unit are located inside the central hole; and a shaping step configured to shape the unshaped sleeve into a shaped sleeve. | 12-09-2010 |
| 20100308684 | Motor with Detacthable Winding Assemblies - A motor with detachable winding assemblies includes a motor base, a shaft tube, a driving circuit board, a shaft, a plurality of winding assemblies and a rotor. Each winding assembly includes a base, a winding, a packaging body and two electrical connection members. The base includes a supporting face. The winding includes two ends and a plane, wherein the plane is in intimate contact with the support face of the base. The packaging body encloses the base and the winding. The two electrical connection members are respectively connected with the driving circuit board and the two ends of the winding, wherein each of the electrical connection members is partially exposed outside the packaging body. The rotor is rotatably coupled to the shaft. | 12-09-2010 |
| 20100314974 | Miniature Motor - A miniature motor includes a base having a layout layer with two faces spaced along an axis. The layout layer includes a coil unit. The base further includes an outer layer provided on one of the faces of the layout layer. A shaft seat is provided on the base. A rotor includes a shaft and a permanent magnet. The shaft is coupled to the shaft seat and rotatable about the axis. The permanent magnet is aligned with the coil unit. An air gap is formed between the permanent magnet and the outer layer of the base. The coil unit is integrated into the base such that the coil unit is outside of the air gap. The axial height of the miniature motor is reduced, and the structure of the miniature motor is simplified. | 12-16-2010 |
| 20100315004 | Lamp - A lamp includes a lighting module having a lighting element and a control circuit electrically connected to the lighting element. The lamp further includes a control unit having a temperature sensor and a processor electrically connected to the temperature sensor and the control circuit. The temperature sensor senses a temperature of the lighting element and generates a temperature sensing result. The processor controls brightness of the lighting element based on the temperature sensing result of the temperature sensor. Since the brightness of the lighting element can be controlled by the processor through the control circuit using the temperature sensing result, overheating of the lighting element during operation can be avoided. The service life of the lighting element is, thus, prolonged. | 12-16-2010 |
| 20100316508 | Heat-Dissipating Fan - A heat-dissipating fan includes a shaft seat. A coil base is coupled to the shaft seat. The coil base includes a base portion and a coil unit coupled to the base portion. The base portion includes a connection port electrically connected to the coil unit. The connection port is connected to a drive circuit. An impeller includes a hub and a permanent magnet. A shaft is coupled to the hub and rotatably coupled to the shaft seat about an axis. The permanent magnet is coupled to the hub and aligned with the coil unit. Since the coil base does not include electronic elements of the drive circuit, the axial height of the heat-dissipating fan is reduced, and the structure of the heat-dissipating fan is simplified. | 12-16-2010 |
| 20100316514 | Heat-Dissipating Fan - A heat-dissipating fan includes a housing having a peripheral wall defining a compartment receiving a shaft seat. The peripheral wall includes a wire-guiding slot in communication with the compartment. A base is coupled to the housing and includes a coil unit and a connection port electrically connected to the coil unit. The connection port faces the wire-guiding slot. A power line includes a first end connected to the connection port and a second end extending through the wire-guiding slot. An impeller includes a hub, a shaft mounted to the hub and coupled to the shaft seat, and a permanent magnet mounted to the hub. The permanent magnet faces the coil unit. The connection port is located on a reference line passing through the shaft seat and the wire-guiding slot. A distance between the connection port and the wire-guiding slot is shortened to enhance assembling convenience of the power line. | 12-16-2010 |
| 20100329901 | Stator Device, Motor Constructed Thereby, and Heat-Dissipating Fan Including The Stator Device - A stator device includes a base having a shaft tube receiving a bearing. The shaft tube includes a top end having at least one groove. A stator unit is mounted around an outer periphery of the shaft tube. The stator unit includes at least one limiting member extending through the at least one groove into the shaft tube. The at least one limiting member prevents the bearing from disengaging from the shaft tube, enhancing assembling convenience. The stator can be coupled with a rotor to form a motor with enhanced assembling convenience and enhanced rotational stability. The base can be interconnected by connecting members to a housing having air inlet and outlet sides. Vanes can be formed on the hub of the rotor to form an impeller. Thus, a heat-dissipating fan can be formed from the stator device. | 12-30-2010 |
| 20110002796 | DC Motor with Cup-Shaped Stator and DC Fan Formed From The DC Motor - A DC motor includes a rotor, a cup-shaped stator, and a drive control unit. The cup-shaped stator includes a cylindrical winding portion surrounding the rotor. The cylindrical winding portion includes an inner periphery formed by at least one conductive wire and facing an outer periphery of a permanent magnet of the rotor with an air gap formed between the cylindrical winding portion and the rotor. A drive control unit is electrically connected to the cylindrical winding portion and a power source. The DC motor can be mounted in a compartment of a housing, and an impeller can be coupled to the shaft, forming a DC fan. The DC motor and the DC fan possess high control sensitivity and high control precision while having simplified structures to allow easy assembly. | 01-06-2011 |
| 20110002800 | DC Fan of Inner Rotor Type - A DC fan of inner rotor type includes a housing having a frame defining a compartment. A rotor is rotatably received in the compartment. The rotor includes a shaft having an outer periphery and a permanent magnet fixed to and around the outer periphery of the shaft. A stator is fixed in the compartment of the frame and surrounds the rotor. The stator includes a plurality of magnetic pole faces facing an outer periphery of the permanent magnet. An air gap is formed between each magnetic pole face and the permanent magnet. The stator further includes at least one coil. An impeller is coupled to an end of the shaft. A drive control unit is mounted in the compartment and electrically connected to the at least one coil of the stator. | 01-06-2011 |
| 20110012444 | Stator and DC Brushless Motors including the Stator - A stator for a DC brushless motor includes an annular insulating ring integrally formed from an insulating material. The annular insulating ring includes an outer peripheral face and an inner peripheral face. A plurality of winding portions extends from at least one of the outer and inner peripheral faces. A coil unit is wound around each of the plurality of winding portions. The stator can be utilized in various DC brushless motors. Since the stator does not include conventional silicon steel plates and is comprised of an annular insulating ring and a coil unit, advantages including low manufacturing costs, assembling convenience, possible reduction in the axial height, and high rotational stability are obtained. | 01-20-2011 |
| 20110012468 | Stator and Radial Gap Motors Including The Stator - A stator for a radial gap motor is formed by winding a plurality of metal wires to form a hollow cylinder having a plurality of poles and a plurality of turns. Two ends of each metal wire are located on the same end of the cylinder and form a plurality of conductive members for electric connection with a circuit board. The stator is simple in structure and easy to manufacture. The stator can be utilized in various radial gap motors, so that the radial gap motors benefit from the advantages of the stator. | 01-20-2011 |
| 20110013419 | LINEAR LIGHT GUIDING MODULE - A linear light guiding module is provided, which includes a linear light guiding body, a plurality of light emitting bodies, a plurality of heat sinks, and a plurality of fans. With the linear light guiding body, the light emitting bodies, and the heat sinks linearly arranged, or with the fans further integrated, the linear light guiding module of the present invention has a small size and an effective heat-dissipation effect. Since only one linear light guiding module needs to be disposed on one side of a light guide plate, the linear light guiding module can be used in large-sized liquid crystal display panels. Moreover, the number of the linear light guiding modules used is decreased while the requirements for high brightness and brightness uniformity can still be met, so the cost can be reduced. | 01-20-2011 |
| 20110018445 | LAMP - A lamp includes a lighting module providing illumination, a control unit, and a detecting unit. The control unit is connected or not connected to the lighting module. The detecting unit is coupled to the control unit. The detecting unit detects operational statuses of the lighting module and sends a detection result to the control unit. The control unit controls the lighting module or an alarm unit to enter an alarm mode based on the detection result. A user can immediately know the operational statuses by the alarm unit and take necessary actions to assure normal operation of the lamp. | 01-27-2011 |
| 20110033323 | Fan - A fan has a housing with a wire-guiding slot is presented. One of plural connecting members is taken as a line fixed portion having a linking end facing the wire-guiding slot, with the linking end connecting to a section of a peripheral wall of the housing and the said section axially aligned with the wire-guiding slot of the housing. A base is coupled to the housing. A power line has one end connected with the connection port and the other end extended beyond the housing via the wire-guiding slot. An impeller is rotatably mounted inside of the housing. Therefore, the line fixed portion can be close to the wire-guiding slot. Thus, the power line can be straight extended through the wire-guiding slot. A distance between the connection port and the wire-guiding slot is shortened to enhance assembling convenience of the power line. | 02-10-2011 |
| 20110044570 | Positioning Device for Motor Bearing - A positioning device includes a shaft tube having a receptacle receiving a support member that includes first and second ends spaced along an axis. The support member further includes a through-hole extending from the first end through the second end. A bearing is received in the receptacle and includes an end facing the first end of the support member. The end of the bearing includes an inclined pressing surface aligned with a support portion formed on the first end of the support member. The pressing surface deforms the support portion when the bearing is pushed downward during assembly. The deformed support is received in a groove between the pressing surface and an inner periphery of the receptacle to offset and absorb the downward pressing force. The bearing is, thus, reliably fixed in the desired assembly position while preventing the support member from being damaged or generating noise during operation. | 02-24-2011 |
| 20110056659 | Heat Dissipating Module - A heat dissipating module includes a housing having a bottom wall and a peripheral wall interconnected to a periphery of the bottom wall. The peripheral wall defines a compartment and includes an air inlet in communication with the compartment and an air outlet in communication with the compartment. A stator is received in the compartment of the housing. An impeller is coupled to the stator. A lid can be mounted to the air inlet side of the housing. A plurality of rows of fins is formed on at least one heat conducting section of at least one of the peripheral wall, the bottom wall, and the lid and is located in the compartment. | 03-10-2011 |
| 20110057536 | Coil Unit for Motor Stator - A coil unit for a motor stator includes a plurality of layout layers. At least one coil and a conductive portion electrically connected to the at least one coil are formed on a surface of each layout layer. The conductive portions of two adjacent layout layers are electrically connected to each other. An insulting layer is provided between two adjacent layout layers. The coil unit can be coupled to a face of a substrate to form a motor stator with reduced axial height and reduced volume. | 03-10-2011 |
| 20110057538 | Motor Including A Stator Bobbin Having A Bearing Abutting Member - A motor includes a housing, a rotor and a stator. The housing includes a shaft tube having a free end. The rotor includes a shaft rotatably extending through the bearing and having an annular groove. The stator includes an assembling hole receiving the shaft tube. The stator includes an upper bobbin, a lower bobbin, a plurality of silicon steel plates and a winding. The upper bobbin includes a plurality of pressing plates annularly, each having first and second abutting portions. The first abutting portion has a first end connecting to the upper bobbin, and a second end abutting against a top surface of the bearing. The free end is lower than the first end but higher than the second end. The first abutting portion is spaced from the shaft tube and abuts only on the bearing. The second abutting portion extends from the first abutting portion into the annular groove. | 03-10-2011 |
| 20110058963 | Inner Rotor Type Motor and Heat Dissipating Fan Including the Inner Rotor Type Motor - An inner rotor type motor includes a base having a pivotal portion. A stator is mounted to the base and includes a body and a coil unit engaged with the body and surrounding a hole of the body. A rotor includes a rotatable member, a shaft, and a permanent magnet. The rotatable member includes an engaging portion and a sidewall provided along a periphery of the engaging portion extending into the hole of the stator. The shaft includes an end coupled to the engaging portion. The other end of the shaft is coupled to the pivotal portion. The permanent magnet is mounted to an outer periphery of the rotatable member and aligned with the coil unit. The axial length of the shaft without permanent magnet mounted thereto can be reduced, allowing reduction of axial heights of the motor and a heat dissipating fan utilizing the motor. | 03-10-2011 |
| 20110062812 | Rotor Structure Including Fixing Seats Securely Coupling A Shaft and A Magnet Together - A rotor structure for a motor includes a shaft, a single magnet, and two fixing seats. The shaft passes through the single magnet and the two fixing seats, with the two fixing seats being adjacent to and abutting against two end faces of the single magnet, respectively. The single magnet fits with a small clearance or loosely fits the shaft, and the two fixing seats tightly fit the shaft, such that the single magnet is positioned at a predetermined position relative to the shaft without rupture. Furthermore, each of the two end faces and two abutting faces are formed with rough surfaces and/or with corresponding grooves and protrusions, so as to achieve a stable-engaging effect between the single magnet and fixing seats. | 03-17-2011 |
| 20110070098 | FAN CONTROL SYSTEM - The present invention relates to a fan control system. The fan control system includes a first micro controller, a second micro controller and a first logic circuit. The first micro controller provides at least one first control signal. The second micro controller is connected to the first micro controller. The second micro controller detects operational status of the first micro controller, and provides at least one second control signal. The first logic circuit receives the first control signal and the second control signal to process logic operation and to generate at least one driving signal to fan. The fan control system of the invention utilizes two micro controllers, when one of the two micro controllers malfunctions, the first logic circuit allows the other micro controller to continue proper operation of the fan, thereby preventing the problem of insufficient heat dissipation that results from malfunction of the single micro controller of a conventional fan control system. | 03-24-2011 |
| 20110079374 | Heat Dissipating System - A heat dissipating system includes a housing having a compartment divided into first and second air channels by a partitioning board. The partitioning board includes an opening through which the first air channel is in communication with the second air channel. A driving unit is mounted in the first air channel. The driving unit includes a rotating shaft extending through the opening into the second air channel. A first impeller is mounted in the first air channel, coupled to the rotating shaft, and aligned with the opening. A second impeller is mounted in the second air channel, coupled to the rotating shaft, and aligned with the opening. The first and second impellers mounted in the first and second air channels are driven by the driving unit to simultaneously dissipate heat generated by electronic elements in the first and second air channels while having a simplified structure. | 04-07-2011 |
| 20110085342 | HEAT DISSIPATING DEVICE FOR LIGHTING MODULE - A heat dissipating device for a lighting module includes a frame having connecting portions and assembling portions each interconnected between two adjacent connecting portions. Each end of each connecting portion is connected to an adjacent assembling portion. A plurality of air-guiding members is located on the same side of the frame and each mounted on one of the connecting portions. Each air-guiding member includes an air guiding channel having an opening in each end thereof. Each of several heat dissipating fans is mounted to one of the assembling portions and located between two adjacent openings respectively of two adjacent air-guiding members. Each heat dissipating fan includes a first air guiding hole in communication with an environment and at least one second air guiding hole in communication with the two adjacent openings. The air guiding channels and the heat dissipating fans together form a cycling air channel. | 04-14-2011 |
| 20110091338 | Heat Dissipating Fan - A heat dissipating fan includes a housing having an air inlet and air outlet between which an air passageway is formed. A fixed seat is provided in the air passageway and includes first positioning holes. A magnetically conductive first casing includes a first outer wall, a first annular lip extending radially outward from an end of the first outer wall and having second positioning holes aligned with the first positioning holes, and a first support on the other end of the first outer wall. A second casing includes a second outer wall, a second annular lip extending radially outward from an end of the second outer wall and having third positioning holes aligned with the first positioning holes, and a second support on the other end of the second outer wall. Fasteners extend through the first, second and third positioning holes. A motor is mounted in the first and second casings. | 04-21-2011 |
| 20110097195 | Heat Dissipating Fan - A heat dissipating fan includes a housing having a base and a sidewall coupled to the base. The sidewall defines a compartment. The housing further includes an air inlet, an air outlet, and a dust channel. The air inlet, the air outlet, and the dust channel are in communication with the compartment. A stator is coupled to the base of the housing. An impeller is rotatably coupled to the stator. A control element includes a driving circuit electrically connected to the stator and a rotating direction control circuit electrically connected to the driving circuit. In another embodiment, the heat dissipating fan includes a housing having a base and a lateral wall coupled to the base. The lateral wall defines a compartment. The lateral wall includes an air inlet and an air outlet both in communication with the compartment. The air inlet also acts as a dust channel. | 04-28-2011 |
| 20110101776 | LAMP CIRCUIT - A lamp circuit is disclosed, comprising a direct current (DC) power supplier adapted to provide a supply voltage, a driving unit coupled to the DC power supplier so as to receive the supply voltage, and a light-radiating module coupled to the driving unit and having a DC output side. The driving unit generates a constant DC current that passes through the light-radiating module such that a DC voltage to be supplied to a DC load is built at the DC output side. | 05-05-2011 |
| 20110103981 | Heat Dissipating Fan - A heat dissipating fan includes a housing having an air inlet and air outlet between which an air passageway is formed. A fixed seat is provided in the air passageway and includes first positioning holes. A magnetically conductive first casing includes a first outer wall, an extended wall extending radially outward from an end of the first outer wall and having second positioning holes aligned with the first positioning holes, and a first support on the other end of the first outer wall. A second casing is coupled to an inner peripheral of the extended wall of the first casing. A motor mounted in the first and second casings includes a stator and a circuit board electrically connected to the stator. | 05-05-2011 |
| 20110108250 | Heat Dissipating device - A heat dissipating device includes a casing having a compartment. At least one heat conducting board is mounted in the compartment and divides the compartment into first and second chambers. The first chamber includes a plurality of openings. At least one fan unit is mounted in the first chamber and includes at least one air inlet and at least one air outlet. The air inlet is in communication with a first one of the plurality of openings. The air outlet is in communication with a second one of the plurality of openings. By utilizing the heat conducting board to absorb the heat generated by electronic elements in the second chamber and by creating airflow in the first chamber with the fan unit, the temperature of the second chamber and the electronic elements is lowered while preventing moisture or dust from entering the first chamber. | 05-12-2011 |
| 20110108251 | Fan Housing and Heat Dissipating Fan with Fan Housing - A fan housing includes a plastic casing having a skirt-board and a lateral wall. The skirt-board includes inner and outer peripheries spaced in a radial direction while the plastic casing further includes a first coupling portion formed along the inner periphery of the skirt-board. The lateral wall extends from a face of the skirt-board along the outer periphery of the skirt-board in an axial direction perpendicular to the radial direction. The fan housing includes a metal frame having a shaft coupling member and a second coupling portion. The second coupling portion of the metal frame is coupled to the first coupling portion of the plastic casing. A motor can be mounted to the metal frame of the fan housing, and an impeller can be rotatably coupled to the motor to form a heat dissipating fan. | 05-12-2011 |
| 20110110774 | Blower Fan - A blower fan includes a housing having a lateral wall defining a compartment. The housing includes an air inlet and an air outlet both in communication with the compartment. An impeller mounted in the compartment includes a hub and blades mounted on the hub. A first plane including opposite first and second end edges in the air outlet is parallel to and spaced from a second plane including a center of the hub. The compartment of the housing includes an air outlet section and a pressure accumulating section on opposite sides of the second plane. The air outlet section is located between the first and second planes. The lateral wall of the housing includes at least one air guiding hole located in the pressure accumulating section. At least one air guiding tube includes an outlet end and an inlet end coupled to the at least one air guiding hole. | 05-12-2011 |
| 20110114296 | Cooling Module - A cooling module is presented, which includes a heat sink and a fan unit. The heat sink provides a base plate and a plurality of fins, with an outlet extending through the base plate and the fins formed on a first surface of the base plate, and with a second surface of the base plate attached to a heat generating unit. The fan unit is rotatably mounted on the heat sink and aligned with the outlet. With the above-mentioned structure, an air-guiding channel is formed between any adjacent two of the fins and communicates with the outlet for a part of air outputted by the fan unit to be guided through the air guiding channels and exhausted by the outlet. Consequently, disturbed flows and wind noise are decreased while cooling efficiency is improved. | 05-19-2011 |
| 20110114297 | HEAT-DISSIPATING DEVICE - A heat-dissipating device comprises a heat-dissipating member, at least one heat-dissipating fan, and a rotation control unit. The heat-dissipating member has an airflow chamber inside and includes a plurality of air-guiding holes in communication with the airflow chamber. Each of the at least one heat-dissipating fan has two air-guiding portions, wherein one of the air-guiding portions is aligned with one of the air-guiding holes of the heat-dissipating member. The rotation control unit communicates with and controls the at least one heat-dissipating fan. Accordingly, the heat-dissipating device with a dust auto-removing function can provide a balanced heat-dissipating effect. | 05-19-2011 |
| 20110156516 | Motor - A motor comprises a base, a stator and a rotor. The base is equipped with a non-metal shaft tube having an outer circumferential wall and an inner circumferential wall opposite to the outer circumferential wall. An opening is formed on an end of the non-metal shaft tube. At least one bearing is fitted inside the non-metal shaft tube and has an axial hole. A plurality of close-fitting portions is formed between an outer circumferential surface of the bearing and the inner circumferential wall of the non-metal shaft tube. An adjustment gap is formed between each two adjacent close-fitting portions within a circumference of the non-metal shaft tube. The stator is equipped on the base. The rotor has a shaft coupled with the axial hole of the at least one bearing. | 06-30-2011 |
| 20110175537 | AC LED LAMP - An alternating current (AC) light-emitting diode (LED) lamp includes a first AC power end, a second AC power end, a lighting module and a direct current (DC) power output circuit. The lighting module has a first end, a second end and at least one LED unit, wherein the first end is electrically coupled to the first AC power end. The at least one LED unit has one or more LEDs connected in series. The DC power output circuit has a first end and a second end, wherein the second end of the DC power output circuit is electrically coupled to the second AC power end, while the first end of the DC power output circuit is electrically coupled to the second end of the lighting module. The DC power output circuit has a DC output side. | 07-21-2011 |
| 20110181147 | Motor - A motor comprises a base, a stator and a rotor. The base is equipped with a shaft tube having an outer circumferential wall. The stator is coupled with the shaft tube of the base and has an assembly hole. Wherein, a plurality of close-fitting portions is formed between an inner circumferential wall of the assembly hole and the outer circumferential wall of the shaft tube, and an adjustment gap is formed between each two adjacent close-fitting portions. The rotor has a shaft rotatably coupled within the shaft tube of the base. | 07-28-2011 |
| 20110181213 | FAN SYSTEM AND BRAKE CONTROL CIRCUIT THEREOF - A fan system including a motor with a coil, a storage unit, a driver, and a buffer circuit is provided. The coil module has a first connection terminal and a second connection terminal. The storage unit electrically couples with a voltage source, stores electrical energy when the voltage source is available, and releases the stored electrical energy to carry out a brake operation when the voltage source is unavailable. The driver electrically couples with the first and second connection terminals of the coil module to control a direction of an inductor current passing through the coil module. The buffer circuit electrically couples with the coil module. In the brake operation, the buffer circuit operates to form a transient potential between the first and second connection terminals of the coil module and to consume electrical energy of the inductor current, for gradually stopping the motor in a buffering time period. | 07-28-2011 |
| 20110187299 | FAN SYSTEM AND BRAKING CIRCUIT THEREOF - A fan system comprising a motor, a motor driving circuit and a control unit is disclosed. The motor driving circuit is coupled to the motor. The control unit is coupled to the motor driving circuit, generates a forward rotation command for controlling the motor to rotate in a predetermined direction when the control unit receives electrical power, and generates a backward rotation command for controlling the motor to rotate in a direction opposite to the predetermined direction when the control unit fails to receive the electrical power. | 08-04-2011 |
| 20110193445 | Inner-Roter-Type Motor and Claw-Pole Member Thereof - An inner-rotor-type motor comprises a casing, a shaft and a claw-pole member. The shaft is rotatably coupled to the casing, and coupled to a permanent magnet having a magnetism-inducing surface. The claw-pole member is coupled within the casing and has an annual portion and a plurality of salient-poles. The annual portion has an inner circumferential wall. Each salient-pole is disposed between the annual portion and a respective pole plate. Each pole plate has a first side and a second side. The first side and the second side are opposing to each other. A magnetic pole surface is formed between the first side and the second side and faces the magnetism-inducing surface of the permanent magnet. An air gap is formed between the magnetic pole surface and the magnetism-inducing surface. Each pole plate has an extension portion and a shrinking portion. The coil unit is coupled to the plurality of salient-poles. | 08-11-2011 |
| 20110206521 | Rotating Part Assembly for Motor - A rotating part assembly for motor is presented, which includes a hub, a shaft, and a holding member. The hub has an assembly channel with a first end and a second end, with a first abutting portion encircling and defining the first end and a second abutting portion encircling and defining the second end, with a first positioning portion arranged between the first end and the second end of the assembly channel. The shaft extends through the assembly channel of the hub and provides a first end section and a second end section, wherein an engaging slit aligning with the first abutting portion, an engaging shoulder aligning with the second abutting portion, and a second positioning portion facing the first positioning portion are disposed at the first end section. The holding member inserts into and couples with the engaging slit and abuts the first abutting portion of the hub. | 08-25-2011 |
| 20110221364 | ROTATION CONTROL CIRCUIT OF FAN - A rotation control circuit comprises a motor-driving unit and a rotation-switching unit. The motor-driving unit is coupled to a motor of a fan. The rotation-switching unit is coupled to the motor-driving unit and has at least a charging-discharging circuit for generating a rotation control command, the rotation control command controls the motor to rotate in a forward direction for a time period when the motor starts to operate, and controls the motor to rotate in a backward direction opposite to the forward direction. | 09-15-2011 |
| 20110227519 | SENSORLESS STARTING CONTROL METHOD FOR A BLDC MOTOR - A sensorless starting control method for a brushless direct current (BLDC) motor, comprising a first rotor-positioning step configured to position a rotor in a first position by operating a coil unit in a first excitation state, a second rotor-positioning step configured to operate the coil unit in a second excitation state such that the rotor rotates from the first position to a second position, and an open-looped starting step configured to excite a plurality of coils of the coil unit in sequence so as to drive the rotor to rotate in a predetermined direction, wherein the coil unit generates a back electromotive force (EMF) when the rotor rotates in the predetermined direction. The method further comprises a close-looped operation step configured to control the BLDC motor to attain a predetermined rotational speed via a feedback of the back EMF. | 09-22-2011 |
| 20110254490 | MOTOR-DRIVING APPARATUS - A motor-driving apparatus, comprising a main driving unit having a plurality of main current-driving ends coupled to a stator coil of a motor, a detection control unit coupled to the main driving unit, and an auxiliary driving unit coupled to the detection control unit and having a plurality of auxiliary current-driving ends. Wherein, the number of the main current-driving ends is the same as that of the auxiliary current-driving ends, and each of the main current-driving ends is connected to a respective one of the auxiliary current-driving ends in parallel. | 10-20-2011 |
| 20110260032 | Motor Base - A motor base comprises a supporting member and an enclosure member. The supporting member has an outer surface and an inner surface, wherein the inner surface defines a through-hole. One side of the through-hole forms an opening portion and another side of the through-hole forms a coupling portion. The enclosure member is coupled to the opening portion of the supporting member and has a first surface and a second surface opposing to the first surface. The first surface faces the through-hole of the supporting member. The enclosure member further comprises at least one vent extending from the first surface to the second surface thereof. | 10-27-2011 |
| 20110266989 | MOTOR SYSTEM - A motor system comprises a motor and a driving module. The motor has a plurality coil units not electrically connected to each other. The driving module has a control unit, a driving unit and a circuit board. The control unit is coupled to the driving unit. The driving unit has a plurality of driving circuits. The number of the driving circuits is the same as the number of the coil units. Each of the driving circuits is coupled to a respective one of the coil units so as to form a plurality of independent coil loops. The control unit and the driving unit are mounted on the circuit board. | 11-03-2011 |
| 20110267829 | LAMP - A lamp comprises a housing, an inner shell, a fan, a heat sink and a lighting module. The housing has a first compartment and a first opening on an end thereof. The inner shell is adapted to be received in the first compartment and has a second compartment and a second opening on an end thereof, wherein the second opening is aligned with the first opening. An air channel is formed between the housing and the inner shell in the first compartment. The inner shell further comprises a through-hole allowing the first compartment to communicate with the second compartment. The fan is located adjacent to the through-hole and has two air-flowing sides for drawing air in and out of the lamp. The heat sink has a bottom plate with one face facing the fan. The lighting module is adapted to be coupled to another face of the bottom plate. | 11-03-2011 |
| 20110273062 | Rotation Assembly for Motor - A rotation assembly for a motor comprises a hub, a shaft, a buckling member and a fixing plate. The hub has a through-hole and an assembling portion. The through-hole has a first opening and a second opening opposing to the first opening. The assembling portion is located surrounding the first opening. The shaft is inserted into the through-hole of the hub and has a first end and a second end, wherein a fixing slot and a restrain portion are located between the first end and the second end. The buckling member is coupled to the fixing slot of the shaft so as to prevent the shaft from disengaging from the hub. The fixing plate is coupled to the assembling portion of the hub and has an abutting portion abutting with the restrain portion of the shaft for preventing the shaft from rotating about the hub. | 11-10-2011 |
| 20110279981 | Heat Dissipating Assembly - A heat dissipating assembly includes a circuit board having opposite first and second faces. The circuit board further includes a through-hole extending from the first face through the second face. A heat generating element is mounted on the first face of the circuit board and electrically coupled to the circuit board. The heat generating element includes a heat conducting portion aligned with the through-hole. A heat dissipating unit includes a base having an engaging face in contact with the second face of the circuit board. A metal solder is filled in the through-hole. The metal solder is engaged with the engaging face of the base and the heat conducting portion of the heat generating element. The heat generating element is directly engaged with the heat dissipating unit by the metal solder to effectively enhance the overall heat dissipating efficiency while reducing the number of members to lower the manufacturing costs. | 11-17-2011 |
| 20110284199 | Cooling Module - A cooling module comprises a heat sink, a cooling fan, a control assembly, a temperature sensor and a resilient heat conductor. The cooling fan facilitates cooling efficiency of the heat sink. The control assembly has a circuit board controlling rotation of the cooling fan. The temperature sensor is coupled to the circuit board of the control assembly and has a sensing face. The resilient heat conductor is disposed between the heat sink and the temperature sensor and has a first contact face and a second contact face, wherein the first contact face contacts the sensing face of the temperature sensor and the second contact face contacts a face of the heat sink. | 11-24-2011 |
| 20110292614 | Cooling Module Assembly Method - A cooling module assembly method comprises forming at least one through-hole on a circuit board; coupling the circuit board to a heat dissipating unit so that a face of the circuit board is coupled to a coupling face of the heat dissipating unit; filling the at least one through-hole with metal solders; fixing at least one heat-generating element to another face of the circuit board, wherein the at least one heat-generating element aligns with and covers the at least one through-hole; and soldering the at least one heat-generating element and the heat dissipating unit together by melting the metal solders in the at least one through-hole. | 12-01-2011 |
| 20110310559 | Heat Dissipating Assembly - A heat dissipating assembly includes a circuit board having opposite first and second faces. The circuit board further includes a through-hole extending from the first face through the second face. A heat generating element is mounted on the first face of the circuit board and electrically coupled to the circuit board. The heat generating element includes a heat conducting portion aligned with the through-hole. A heat dissipating unit includes a base having an engaging face in contact with the second face of the circuit board. A heat conducting adhesive is filled in the through-hole. The heat conducting adhesive is engaged with the engaging face of the base and the heat conducting portion of the heat generating element. The heat generating element is directly engaged with the heat dissipating unit by the heat conducting adhesive to effectively enhance the overall heat dissipating efficiency while reducing the number of members to lower the manufacturing costs. | 12-22-2011 |
| 20120007510 | CONTROL MODULE WITH POWER SUPPLY DETECTION AND LAMP UTILIZING THE SAME - A lamp with power supply detection includes a power supply unit, a control module and a lighting module. The power supply unit provides a direct current (DC) voltage. The control module is coupled to the power supply unit, receives and stores the DC power, and generates a control signal according to whether the DC power is terminated or regained. The lighting module is coupled to the power supply unit and the control module, receives the DC power and adjusts brightness of the lighting module according to the control signal. | 01-12-2012 |
| 20120008330 | LAMP AND HEAT SINK THEREOF - A lamp comprises a housing, a heat sink, a fan and a light-emitting element. The housing includes an opening end and a compartment communicating with the opening end. The heat sink is disposed at the opening end and includes a lateral wall, a base, a plurality of first connection members, a plurality of first air channels and at least one second air channel. The base is surrounded by and spaced from the lateral wall. The base is connected to an inner circumferential wall of the lateral wall via the first connection members, wherein each of the first air channels is formed between adjacent two of the first connection members. The at least one second air channel is formed between an outer circumferential wall of the lateral wall and an inner face of the housing. The fan is disposed at one side of the heat sink in the compartment. The light-emitting element is disposed at another side of the heat sink. | 01-12-2012 |
| 20120039729 | Motor and Cooling Fan utilizing the same - A motor includes a base, a stator, a rotor, a circuit board and a heat-conducting insulator. The base includes a cooling plate. The stator is coupled to the base. The rotor is rotatably coupled to the base and aligned with the stator. The circuit board is received in the base and electrically connected to the stator. The heat-conducting insulator is disposed between the cooling plate and the circuit board, and abuts with the cooling plate and one face of the circuit board. | 02-16-2012 |
| 20120043845 | Sensorless Three-Phased BLDC Motor and Stator thereof - A sensorless three-phased brushless direct current (BLDC) motor comprises a stator, a rotor and a driving unit. The stator has a first-phased coil, a second-phased coil and a third-phased coil. Each of the first-phased, second-phased and third-phased coils has a varying inductance value. The varying inductance value has an inductance changing rate greater than 15%. The rotor has a plurality of magnetic poles, each having a magnetic pole face facing the stator. The driving unit has a power input end and a signal input/output end. The signal input/output end is coupled to the first-phased, second-phased and third-phased coils, and the power input end is used to receive power for maintaining operation of the driving unit. | 02-23-2012 |
| 20120045325 | Fan Housing Module - A fan housing module includes a base unit and a cover unit engageable with the base unit. The base unit includes a plurality of bases integrally formed with each other to form a structure in the same array arrangement. Alternatively, the cover unit includes a plurality of covers integrally formed with each other to form a structure in the same array arrangement. Thus, after the base unit is engaged with the cover unit, each base and one of the covers together form a fan housing for assembly of a motor fan such that the motor fans form a fan array. | 02-23-2012 |
| 20120062050 | Rotor for Motor - A rotor for a motor includes a shaft having an outer periphery with an engaging portion. At least one coupling member includes an engaging hole. The shaft extends through the engaging hole of the at least one coupling member. The at least one coupling member is engaged with the engaging portion of the shaft by tight coupling. A plastic magnet envelops the shaft and the at least one coupling member by injection molding. The at least one coupling member prevents the plastic magnet from disengaging from the shaft, providing enhanced engaging effect while reducing structural complexity and enhancing assembling convenience. | 03-15-2012 |
| 20120062079 | Rotor for Motor - A rotor for a motor includes a hub having a through-hole. A shaft extends through the through-hole and includes an outer periphery having a reduced section, wherein the reduced section has two end walls in an axial direction of the motor. The engaging member includes a hole through which the shaft extends. The engaging member is tightly engaged with the reduced section while tightly pressing against the two end walls of the reduced section. The engaging member is a resilient, continuous annular member free of grooves and notches. When the rotor is mounted in a motor, axial vibration of the hub relative to the shaft is reduced, and leakage of lubricating oil in the bearings of the motor is prevented. | 03-15-2012 |
| 20120062095 | LAMP - A lamp includes a heat dissipater having a base and an engaging member. The base includes a first air guiding portion and a fixing portion. The engaging member is mounted to an outer periphery of the base. A second air guiding portion is formed between the engaging member and the base. A lighting element is mounted to the base of the heat dissipater. A housing is engaged with the engaging member of the heat dissipater. The housing and the heat dissipater together define a compartment in communication with the first and second air guiding portions. A cooling fan is mounted to the fixing portion of the base. A circuit board is mounted in the compartment and electrically connected to the lighting element and the cooling fan. The circuit board is electrically connected to an electrically conductive member having an end extending out from the housing. | 03-15-2012 |
| 20120068568 | Axial Winding Motor - An axial-winding motor includes a stator and a rotor. The stator has a winding assembly, a first magnetic-conducting plate and a second magnetic-conducting plate. The first and second magnetic-conducting plates are coupled with two ends of the winding assembly in an axial direction of the winding assembly. The first magnetic-conducting plate includes a plurality of first pole pieces on an outer periphery thereof, and the second magnetic-conducting plate includes a plurality of second pole pieces on an outer periphery thereof. The rotor is rotatably coupled with the stator and has a plurality of magnetic pole faces facing the stator. One of the first pole pieces is at least partially overlapped with adjacent one of the second pole pieces in an axial direction of the stator. | 03-22-2012 |
| 20120075049 | Insulation Bobbin of a Stator - An insulation bobbin of a stator includes a body and a plurality of extension members. The body has an assembly hole and the extension members are coupled to the body. Each of the extension members has a wound portion. The wound portion has a top plate and two side walls located on two sides of the top plate. A thickness of the top plate is smaller than that of the two side walls. | 03-29-2012 |
| 20120081904 | Lamp - A lamp comprises a heat sink, including a base having a first side and a second side, wherein the first side has a fixing portion; a lighting module mounted on the second side of the base; a cooling fan mounted to the fixing portion of the heat sink, including an impeller and a driving circuit board for propelling the rotating of the impeller; and a power circuit board installed between the base of the heat sink and the cooling fan, wherein the power circuit board is electrically coupled with the lighting module. | 04-05-2012 |
| 20120081911 | LAMP - A lamp includes a housing, a heat sink, a light emitter, a fan and a blocking ring. The housing includes first and second shells, with the first shell forming a light-transparent portion and a first engaging portion. An air outlet portion is formed in a wall of the first shell, with the second shell forming a second engaging portion and a base. An air inlet portion is formed in a wall of the second shell. The heat sink includes a base plate and a plurality of fins defining a compartment. Each of the fins has first and second ends. The light emitter is electrically connected to the base. The blocking ring is mounted inside the housing. The blocking ring has two sides forming first and second flanges. The blocking ring further includes a side forming a protrusion ring and partially covering an outer periphery of the heat sink. | 04-05-2012 |
| 20120086379 | ROTATION DIRECTION CONTROL METHOD FOR A COOLING FAN AND ROTATION DIRECTION CONTROL CIRCUIT THEREOF - A rotation direction control method of a cooling fan is disclosed. The rotation direction control method includes a detection step, a determination step and a driving step. The detection step receives a temperature control signal from a temperature detection unit by a rotation direction control unit when a predetermined dust-expelling time period begins. The determination step determines whether a detected temperature is higher than a predetermined value based on the temperature control signal by the rotation direction control unit. The driving step controls the rotation direction control unit to keep outputting a cooling signal so as to drive a motor of the cooling fan for a cooling operation when the determination of the determination step is positive. | 04-12-2012 |
| 20120087814 | Miniature Heat-Dissipating Fan - A miniature heat-dissipating fan includes a stator and a rotor. The stator has a first leakage flux absorber and a coil layer that is arranged on the first leakage flux absorber and has a plurality of coils. An annular wall is formed on an outer edge of the first leakage flux absorber of the stator to define an air inlet, an air outlet and a compartment. The first leakage flux absorber has a shaft tube in the compartment and the coil layer is mounted around the shaft tube. The rotor is received in the compartment of the stator and has an impeller, a second leakage flux absorber and a permanent magnet. The impeller has a shaft rotatably inserted in the shaft tube of the stator and both the second leakage flux absorber and the permanent magnet are attached to a bottom of the impeller. | 04-12-2012 |
| 20120100019 | Motor - A motor including a casing, a rotor, a stator and a separation member is disclosed. The rotor is rotatably coupled with the casing. The stator is disposed in the casing and drives the rotor to rotate. The stator includes a claw-pole member, an insulation member and a coil unit. The claw-pole member is coupled with the insulation member. The insulation member has a connection portion. The coil unit has a plurality of windings connected to each other via the connection portion. The coil unit is electrically connected to a circuit board, and a portion of the coil unit that is wound around the connection portion is an exposing portion. The separation member is disposed between the exposing portion of the coil unit and the casing. | 04-26-2012 |
| 20120114472 | Fan - A fan comprises a housing having a compartment formed inside, and at least one lateral air inlet and at least one lateral air outlet both penetrating through the inner and outer surfaces of the housing and communicating with the compartment; and a motor mounted inside the compartment of the housing and having a stator and an impeller, with the impeller rotatably coupled to the stator and further containing a hub and a plurality of blades mounted to a top of the hub, with each blade having a first end and a second end in the radial direction of the impeller opposite to each other, with the first end of each blade facing outward, and with the second ends of the plural blades defining an airflow-area. | 05-10-2012 |
| 20120114511 | Cooling Fan - A cooling fan comprises a housing and a motor. The housing includes a support portion, a cover portion and a lateral wall portion, with the lateral wall portion disposed between the cover portion and the support portion, with the lateral wall portion, support portion and the cover portion defining a compartment, and with the lateral wall portion having at least one lateral air inlet and at least one lateral air outlet penetrating through the lateral wall portion and communicating with the compartment. The motor is mounted inside the compartment of the housing and contains a stator and a impeller, with the impeller rotatably mounting to the stator, and further containing a hub with a top and a plurality of blades, with the top facing the cover portion, with the top and the cover portion delimiting a lateral flow path in the compartment, and with each blade being contained in the lateral flow path. | 05-10-2012 |
| 20120148178 | Leakproof Structure of Shaft Tube - A leakproof structure of a shaft tube comprises a shaft tube, a bearing, a shaft and a leakproof plate. The shaft tube includes a center hole, an upper section adjacent to an open end of the shaft tube and a lower section having an inner diameter smaller than that of the upper section. The bearing received in the lower section includes a longitudinal hole. The shaft rotatably mounted into the bearing includes an annular groove formed in an outer periphery thereof to form a neck of the shaft. The leakproof plate fixed in the upper section includes a through-hole with a diameter smaller than the outer diameters of the two sections of the shaft, with an inner edge of the leakproof plate being in the annular groove. | 06-14-2012 |
| 20120156024 | Fan Module - A fan module includes a housing and an impeller. The housing has an axial air inlet, a radial air inlet and at least one radial air outlet. The impeller is rotatably disposed in the housing and has a first air-guiding blade, a second air-guiding blade and a partitioning member. The partitioning member separates an interior space of the housing into a first air channel and a second air channel, and the first air-guiding blade is located in the first air channel and the second air-guiding blade is located in the second air channel. | 06-21-2012 |
| 20120156063 | Fan Module - A fan module includes a housing and at leas one impeller. The housing includes first and second air channels. The housing further includes an axial air inlet in communication with the first air channel and a radial air inlet in communication with the second air channel. The housing further includes at least one radial air outlet in communication with the first and second air channels. The at least one impeller draws external air into the housing via the axial air inlet or the radial air inlet and expels air out of the housing via the at last one radial air outlet. By such an arrangement, external air can be guided into the fan module via different directions, providing enhanced cooling effect. | 06-21-2012 |
| 20120192409 | Component Positioning Structure for Components Received in a Motor's Shaft Tube - A component positioning structure for components received in a motor's shaft tube is disclosed. The component positioning structure includes a base and a stator unit. The base has a shaft tube, wherein the shaft tube has an opening end having a deformable portion. The stator unit is fitted to an outer circumferential wall of the shaft tube and has a pressing portion, wherein the pressing portion abuts against the deformable portion and causes deformation of the deformable portion, allowing the deformable portion to reduce an inner diameter of the opening end. | 08-02-2012 |
| 20120194009 | Motor and Motor Assembling Method - A motor assembling method is disclosed. The motor assembling method provides a base with a shaft tube, wherein the shaft tube has a thermoplastic positioning portion on an opening end thereof, and a shaft tube assembly is disposed into the shaft tube via the opening end. The motor assembling method further heats the thermoplastic positioning portion by a heating fixture to melt and deform the thermoplastic positioning portion until the opening end of the shaft tube has shrunk, wherein the shaft tube assembly is held in position in the shaft tube after the thermoplastic positioning portion has cooled down and solidified. The motor assembling method further couples a stator unit with an outer circumferential wall of the shaft tube, and couples a rotor with the shaft tube. | 08-02-2012 |
| 20120194010 | Motor and Motor Assembling Method - A motor assembling method is disclosed. The motor assembling method provides a base with a shaft tube, wherein the shaft tube has a thermoplastic positioning portion on an opening end thereof, and a shaft tube assembly is disposed into the shaft tube via the opening end. The motor assembling method further heats the thermoplastic positioning portion by a heating fixture to melt and deform the thermoplastic positioning portion until the opening end of the shaft tube has shrunk, wherein the shaft tube assembly is held in position in the shaft tube after the thermoplastic positioning portion has cooled down and solidified. The motor assembling method further couples a stator unit with an outer circumferential wall of the shaft tube, and couples a rotor with the shaft tube. | 08-02-2012 |
| 20120207618 | Cooling Fan and Housing Thereof - A cooling fan includes a sidewall coupled to a base of a housing and defining a compartment. The housing includes an air inlet, an air outlet, and a dust channel. The air inlet, the air outlet, and the dust channel are in communication with the compartment. An impeller is rotatably coupled to a stator coupled to the base. A control element includes a driving circuit electrically connected to the stator and a rotating direction control circuit electrically connected to the driving circuit. The air outlet and the dust channel separate an inner periphery of the sidewall into first and second guiding wall sections. The first guiding wall section has a guiding portion contiguous to the dust channel. A first spacing between the guiding portion and a center of the impeller is not larger than a second spacing between the second guiding wall section and the center of the impeller. | 08-16-2012 |
| 20120255713 | Cooling System Equipped with an Advection-Type Fan - A cooling system equipped with an advection-type fan is disclosed. The cooling system includes a casing and an advection-type fan. The casing has a compartment receiving a heat-emitting source or a heat-conducting element. The casing further includes two radial air-guiding openings communicating with the compartment. The advection-type fan has a frame disposed in the compartment. The frame has an air-guiding lateral wall defining a radial air channel. The frame has radial air inlet and a radial air outlet. Both the radial air inlet and the radial air outlet communicate with the radial air channel. The radial air inlet and the radial air outlet face the two radial air-guiding openings of the casing respectively. The radial air channel receives an impeller that causes air advection to dissipate the heat of the heat-emitting source or the heat-conducting element. The frame has two sides that are completely laid open. | 10-11-2012 |
| 20120269617 | Cooling Fan - A cooling fan comprising a base, a lid, a fan wheel, and an auxiliary shaft assembly is disclosed. The lid is arranged above the base. The fan wheel has a shaft rotatably coupling with the base and a highest point spaced from the lid by a first gap. The auxiliary shaft assembly is arranged between a top of a hub of the fan wheel and a bottom face of the lid, with a second gap formed between the auxiliary shaft assembly and the top of the hub or between the auxiliary shaft assembly and the bottom face of the lid, wherein the second gap is smaller than the first gap. Alternatively, the auxiliary shaft assembly has a first auxiliary shaft protruding from the top of the hub and a second auxiliary shaft disposed on the bottom face of lid, with a second gap formed between the first and second auxiliary shafts smaller than the first gap. | 10-25-2012 |
| 20120294713 | Advection-Type Fan - An advection-type fan includes a fan frame, a driving module and an impeller. The fan frame has a first cover portion, a second cover portion and a lateral wall portion arranged between the first and second cover portions, wherein the lateral wall portion has an air inlet and an air outlet. The driving module is received in the fan frame and coupled with the first cover portion. The impeller has a hub and a plurality of vanes. The hub is rotatably coupled with the driving module and the vanes are coupled with the hub. The hub has an air-guiding plane facing the second cover portion. Each of the vanes has a top edge facing the second cover portion. The top edge of each of the vanes is higher than the air-guiding plane of the hub in an axial direction of the hub. | 11-22-2012 |
| 20120299456 | LED LAMP WITH SIMPLIFIED STRUCTURE - A lamp includes a housing, a cooling module and a light emitting diode. The housing has an assembling opening and an electrical connection member on two ends of the housing, wherein an inner surface of the housing defines a receiving room, and a part of the inner surface of the housing adjacent to the assembling opening is an air-guiding wall. The cooling module is disposed at the assembling opening of the housing to form at least one air channel between the cooling module and the air-guiding wall, wherein the cooling module has an air-guiding passage communicating with the receiving room of the housing. The light emitting diode is coupled with the cooling module. Therefore, there is no air inlet or outlet formed on the housing of the LED lamp, so as to provide a simplified structure and to maintain the exterior integrity of the LED lamp. | 11-29-2012 |
| 20130011255 | Fan - A fan includes a housing and a motor. The housing has a compartment, at least one lateral air inlet and at least one lateral air outlet. The lateral air inlet and lateral air outlet communicate with the compartment. The motor has a stator and an impeller. The impeller is coupled with the stator and includes a hub and a plurality of blades coupled with a top face of the hub. Each blade has first and second ends. The first ends of the blades face outwards, and the second ends of the blades define an air-guiding room encompassed by a virtual geometric pattern formed by a virtual line linking the second ends of the blades. The virtual geometric pattern has a maximal diameter. A gap is formed between the second ends of two adjacent blades. The gap is smaller than the maximal diameter of the virtual geometric pattern. | 01-10-2013 |
| 20130033180 | LAMP - A lamp includes a lighting module providing illumination, a control unit, and a detecting unit. The control unit is connected or not connected to the lighting module. The detecting unit is coupled to the control unit. The detecting unit detects operational statuses of the lighting module and sends a detection result to the control unit. The control unit controls the lighting module or an alarm unit to enter an alarm mode based on the detection result. A user can immediately know the operational statuses by the alarm unit and take necessary actions to assure normal operation of the lamp. | 02-07-2013 |
| 20130038168 | Stator Manufacturing Method for a Motor and Stator Utilizing the same - A stator manufacturing method for a motor includes a preliminary step, a winding step, a rolling step and a shaping step. The preliminary step provides a strip plate having at least one wound portion. The winding step provides and winds a coil unit around the wound portion. The rolling step roll ups the strip plate into an unshaped sleeve having a central hole. The shaping step fixes a shape of the unshaped sleeve to form a shaped sleeve. An outer sleeve may be provided to receive the unshaped sleeve, and a separation member is inserted between two ends of the strip plate. Alternatively, an outer sleeve with a protruding pole may be provided, or the strip plate may form at least one outer wound portion that is wound with an outer coil unit. In addition, methods for manufacturing the stators are also disclosed. | 02-14-2013 |
| 20130106216 | Motor | 05-02-2013 |
| 20130106221 | Motor | 05-02-2013 |
| 20130134821 | Insulation Bobbin of a Stator - An insulation bobbin unit of a stator includes first and second insulation bobbins. The first insulation bobbin has a first body and a plurality of first extension members. The first body has a first assembly hole. Each extension member has a first wound portion having a first top plate and one first side wall. The first top plate has a smaller thickness than that of the first side wall. The second insulation bobbin has a second body and a plurality of second extension members. Each second extension member includes a second wound portion having a second top plate and one second side wall. The first side wall is aligned with one edge of the second top plate that is not mounted with the second side wall, and the second side wall is aligned with one edge of the first top plate that is not mounted with the first side wall. | 05-30-2013 |
| 20130171014 | Advection Fans - An advection fan includes a housing having a metal housing base and a closure member. A lateral wall is arranged between the metal housing base and the closure member and includes an air inlet and an air outlet. A horizontal air passage is defined between the metal housing base and the closure member. The metal housing base includes an engagement section. A stator includes a coil unit embedded in or abutting and attached to the engagement section of the metal housing base. The coil unit abuts the engagement face of the metal housing base. The coil unit includes a substrate and at least one coil formed on a surface of the substrate by printing circuit or electroforming process. An impeller is rotatably coupled to the shaft tube of the stator. A gap is formed between the impeller and the coil unit of the stator. | 07-04-2013 |
| 20130177402 | Heat Dissipating Fan - A heat dissipating fan includes a housing having a base and a sidewall coupled to the base. The sidewall defines a compartment. The housing includes an air inlet, an air outlet and a dust channel. The air outlet includes opposite first and second end edges located at a same straight side of the housing. The housing defines a first plane. The impeller includes a hub and several blades. The impeller defines a second plane. The compartment of the housing includes an air outlet section and a pressure accumulating section. The air outlet section is located between the first and second planes. The air outlet is located in the air outlet section. The dust channel extends in an angle with respect to the second plane. An impeller is coupled to the stator that is coupled to the base. A control element includes a driving circuit and a rotating direction control circuit. | 07-11-2013 |
| 20130193793 | Motor with Power-Generating Coil Set - A motor with power-generating coil set including a base, a rotor, a driving circuit and a power-storing unit is disclosed. The base has a shaft coupling portion and a supporting surface, wherein the supporting surface surrounds the shaft coupling portion, and a driving coil set and a power-generating coil set are disposed above the supporting surface. The rotor has a carrier, a shaft and a magnetic member, wherein the carrier has a coupling surface, the shaft rotatably couples with the shaft coupling portion of the base, and the magnetic member is mounted on the coupling surface and has a magnetic face facing the driving coil set and the power-generating coil set. The driving circuit electrically connects with and sends a driving signal to the driving coil set. The power-storing unit electrically connects with and stores electric power generated by the power-generating coil set. | 08-01-2013 |
| 20130200759 | MOTOR WITH POWER-GENERATION COIL MODULE - A motor with power-generating coil module includes: a base that has a shaft tube, a supporting surface surrounding the shaft tube, a first coil module mounted on an outer circumferential surface of the shaft tube, and a second coil module disposed above the supporting surface; a rotor that has a carrier extending a lateral wall toward the base, a shaft rotatably coupling with the shaft tube, and a magnetic member mounted on the lateral wall and having an axial extension and a radial extension, with a first magnetic face on the axial extension and facing the first coil module and a second magnetic face on the radial extension and facing the second coil module; a driving circuit electrically connecting with one of the first and second coil modules; and a power-storing unit electrically connecting with the other one of the first and second coil modules. | 08-08-2013 |
| 20130214622 | Motor Structure - A motor structure includes a housing having a shaft tube receiving a shaft retaining assembly. The shaft tube includes a positioning member on an outer periphery thereof. A rotor includes a shaft rotatably extending through the bearing. A stator is mounted around the shaft tube, couples with the positioning member, and includes a bobbin having an abutting portion pressing a top face of the shaft retaining assembly by a free end thereof. Specifically, the positioning member is distant from the top face by a first distance in an axial direction of the shaft tube, the abutting portion is made of elastic material, the positioning member is distant from the free end by a second distance in an axial direction of the assembling hole is defined, and the second distance is smaller than the first distance when the stator is separate from the shaft tube. | 08-22-2013 |
| 20130242575 | LAMP WITH AIR CHANNEL - A lamp comprises a housing, an inner shell, a fan, a heat sink and a lighting module. The housing has a first compartment and a first opening on an end thereof. The inner shell is adapted to be received in the first compartment and has a second compartment and a second opening on an end thereof, wherein the second opening is aligned with the first opening. An air channel is formed between the housing and the inner shell in the first compartment. The inner shell further comprises a through-hole allowing the first compartment to communicate with the second compartment. The fan is located adjacent to the through-hole and has two air-flowing sides for drawing air in and out of the lamp. The heat sink has a bottom plate with one face facing the fan. The lighting module is adapted to be coupled to another face of the bottom plate. | 09-19-2013 |
| 20130271996 | LAMP - The invention discloses a lamp including a lampshade, a cooling module, a light-emitting element and a circuit board. The lampshade includes an opening and a base. The lampshade forms a chamber. The lampshade is completely closed between the opening and the base. The cooling module includes a cooling fan fixed in the chamber while at least one air-guiding gap is formed between the cooling module and the lampshade. The light-emitting element is coupled with the cooling module. The circuit board has a layout surface mounted with a plurality of electronic components. The inner surface of the lampshade forms an air-guiding face. The layout surface, the air-guiding face and the cooling fan jointly constructs an air channel. The layout surface and the electronic components of the circuit board face the opening of the lampshade. At least one of the electronic components is located in the air channel. | 10-17-2013 |
| 20130285495 | Motor - A motor includes a base, a stator, and a rotor. The base includes a shaft tube having an open end and receiving an inner assembly. The stator is mounted to an outer periphery of the shaft tube. The rotor is rotatably coupled to the inner assembly. The stator includes an insulating bobbin unit having an extension extending in a radial direction to the open end of the shaft tube. The extension includes an engagement hole. The shaft tube includes a positioning member having an engaging section engaged in the engagement hole. The insulating bobbin unit is fixed by an end of the engaging section. The engagement stability of the stator is enhanced by engagement of the positioning member of the base and the insulating bobbin unit. | 10-31-2013 |
| 20130287595 | COOLING SYSTEM FOR USE IN A PORTABLE COMMUNICATION DEVICE - A cooling system for use in a portable communication device includes a detection module, a cooling module and a central control module. The detection module detects whether the portable communication device is in a communication state and generates an acknowledgement signal. The cooling module includes a fan and a driving unit. The central control module is electrically coupled to the detection module and the driving unit, detects an operational temperature of said device, and generates a detected temperature value corresponding to the detected operational temperature. The central control module controls the fan to operate in a silent mode or a cooling mode. The central control module controls the fan to operate in the silent mode if the central control module receives the acknowledgement signal when the detected temperature value is smaller than a temperature threshold value, else the central control module controls the fan to operate in the cooling mode. | 10-31-2013 |
| 20130294094 | LAMP - A lamp including the following elements is provided. A housing has an assembling opening and an electrical base on two ends thereof, wherein the housing has an inner wall and a portion of the inner wall adjacent to the assembling opening is an air-guiding wall. A cooling fan has a casing disposed at the assembling opening and forming an air channel, a fan wheel rotatably arranged in the air channel, and at least one partitioning board between the air-guiding wall and the air channel so as to define at least one first air-guiding opening and at least one second air-guiding opening. A light-emitting module is arranged in the housing and opposite to the fan wheel. Accordingly, the present lamp does not require forming any air inlet or air outlet on the housing, and thus provides a simplifier structure. | 11-07-2013 |
| 20130343884 | Impeller of Cooling Fan - An impeller of a cooling fan includes a metal base, a shaft and a plurality of plastic blades. The metal base includes a shaft-coupling portion, a first assembling portion apart from the shaft-coupling portion, and a flat portion between the shaft-coupling portion and the first assembling portion, wherein the flat portion oppositely has a first flat surface and a second flat surface, and a permanent magnet is mounted on the first flat surface. The shaft has a fixing end coupled with the shaft-coupling portion of the metal base. Each of the plastic blades has a second assembling portion coupled with the first assembling portion of the metal base. | 12-26-2013 |
| 20140015370 | Motor's Stator Unit - A motor's stator unit includes a base and a stator. The base has a shaft tube. The stator has a silicon steel plate unit, an insulation sleeve unit and a coil unit. The silicon steel plate unit has an inner circumferential wall forming a through-hole. The insulation sleeve unit has an engagement hole. The silicon steel plate unit and the insulation sleeve unit are stacked together. An enameled copper wire is wound around the insulation sleeve unit to form the coil unit. The engagement hole has a minimal diameter that is slightly smaller than an outer diameter of the shaft tube. The stator is press fitted around the shaft tube via the insulation sleeve unit, so as to prevent the silicon steel plate unit of the stator from excessively compressing the shaft tube. | 01-16-2014 |
| 20140015371 | Motor's Stator Unit - A motor's stator unit includes a base and a stator. The base has a shaft tube. The stator has a silicon steel plate unit, an insulation sleeve unit and a coil unit. The silicon steel plate unit has an inner circumferential wall forming a through-hole. The insulation sleeve unit has an engagement hole. The silicon steel plate unit and the insulation sleeve unit are stacked together. The through-hole and the engagement hole are aligned with each other to allow the shaft tube to extend through the through-hole and the engagement hole. An enameled copper wire is wound around a predetermined part of the insulation sleeve unit to form the coil unit. The insulation sleeve unit is press fitted around an outer circumferential wall of the shaft tube via at least one buffering member, so as to prevent the silicon steel plate unit from excessively compressing the shaft tube. | 01-16-2014 |
| 20140086762 | Centrifugal Fan - A centrifugal fan includes a fan frame, a motor, an impeller and an axial positioning member. The fan frame includes a base plate portion, a cover plate portion, and a lateral wall portion arranged between the base plate portion and the cover plate portion. The cover plate portion includes an air inlet, and the lateral wall portion includes an air outlet. The motor is received in the fan frame. The impeller is rotatably coupled with the motor. The axial positioning member is arranged along a path surrounding the air inlet of the fan frame. The axial positioning member includes a coupling face and an abutting face opposite to the coupling face. The coupling face is coupled with the cover plate portion of the fan frame. The abutting face is spaced from the coupling face. | 03-27-2014 |
| 20140140063 | Lamp - A lamp includes a housing having a solid peripheral wall between an opening and an electrical connector respectively at two ends of the housing, maintaining the appearance integrity of the lamp. A cooling module is fixed in the housing. At least one wind channel is defined between the cooling module and the opening of the housing. A light-emitting element is coupled to the cooling module. A circuit board is fixed in the housing and electrically connected to the electrical connector and the light-emitting element. An air cleaner includes a generator body and at least one emitter. An air passage is defined between an inner face of the solid peripheral wall of the housing, the cooling module and the circuit board. The at least one emitter of the air cleaner is mounted in the air passage, providing enhanced air cleaning effect. | 05-22-2014 |
| 20140175929 | Rotor Structure for a Motor - A rotor structure for a motor includes a shaft, a single magnet and two fixing seats. The single magnet has two opposite end faces. An axial hole has a maximum extent equal to a maximum extent between the two opposite end faces. At least one of the two opposite end faces has a first engaging member. The magnet and each opposite end face have a maximum radial extent. Each fixing seat includes an abutting face having a maximum radial extent the same as the maximum radial extent of the single magnet and of the opposite end faces. One of the abutting faces has a second engaging member. The first engaging member is located at the maximum radial extent at the outer edge of the at least one of the two opposite end faces, or located at the inner edge of the at least one of the two opposite end faces. | 06-26-2014 |
| 20140210347 | AC LED LAMP - An AC LED lamp includes first and second AC power ends, a lighting module and a DC power output circuit. The lighting module has first and second ends and an LED unit. The first end is connected to the first AC power end. The LED unit has one or more LEDs. The DC power output circuit has first and second ends. The second end of the DC power output circuit is coupled to the second AC power end. The first end of the DC power output circuit is coupled to the second end of the lighting module. The DC power output circuit has a DC output side and is not directly connected to the first AC power end. The DC power output circuit has a rectifying unit and a voltage limiting and filtering unit. The rectifying unit and the voltage limiting and filtering unit are coupled to the lighting module. | 07-31-2014 |
| 20140219789 | Centrifugal Fan - A centrifugal fan includes a fan frame, a stator assembly and an impeller. The fan frame has a base plate portion, a cover plate portion and a lateral wall portion. The cover plate portion has an air inlet, and the lateral wall portion has an air outlet. The impeller includes a rotating member, a plurality of blades and a connection ring. The rotating member is coupled with the stator assembly. Each blade has a windward edge and a lateral edge. The windward edge faces the air inlet, the lateral edge faces the lateral wall portion, and the connection ring is arranged on the windward edges of the blades. The windward edge has a first coupling edge, and the connection ring has a second coupling edge. A part of the windward edge between the first coupling edge and the lateral edge extends downwards in a curved manner, forming a truncating portion. | 08-07-2014 |
| 20140233183 | Hand-Held Electronic Device - A hand-held electronic device includes a casing having a first face and a second face opposite to the first face. The casing includes an interior intermediate the first face and the second face of the casing. A first cover includes a thickness forming an annular periphery and abuts the first face of the casing. A joining area between the annular periphery of the first cover and the first face of the casing includes a junction section having at least one vent in communication with the interior of the casing. An electronic component is mounted in the interior of the casing. A cooling fan is mounted in the interior of the casing. The cooling fan guides air currents via the at least one vent to cool the electronic component. | 08-21-2014 |
| 20140254095 | Electronic Product Including a Heat Dissipating Device - An electronic product including a heat dissipating device is disclosed. The electronic product includes a casing, a heat conducting board, at least one fan unit and a plurality of electronic elements. The casing includes a compartment. The heat conducting board divides the compartment into first and second chambers. The first chamber includes a plurality of openings. The fan unit(s) includes an air inlet aligned with an opening of the openings, as well as an air outlet aligned with another opening of the openings. The first chamber defines at least one air channel each being in the form of a single air channel including two ends respectively in communication with the opening and the other opening. In one embodiment, the at least one fan unit includes first and second fan units. In another embodiment, the at least one air channel includes first and second air channels in communication with each other. | 09-11-2014 |
| 20140294620 | 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 hub, a shaft and a plurality of blades. The blades are arranged on an outer periphery of the hub. At least one magnetic element is arranged on an inner periphery of the hub. There is a height between a bottom face of the shaft-coupling portion and a top face of the hub. There is a maximum thickness between the bottommost and uppermost faces of the magnetic plate unit. A ratio of the maximum thickness to the height is between 0.1 and 0.6. A method for determining the dimensional proportion of the motor is also disclosed. The method selects a ratio of a maximum thickness to a height as 0.1 to 0.6. | 10-02-2014 |
| 20140309965 | Cooling Fan Having a Axial-Air-Gap Motor and a Method for Determining the Dimensional Proportion of the Motor - A cooling fan having a motor is disclosed. The cooling fan includes a stator assembly and an impeller. The stator assembly includes a shaft-coupling portion and a coil unit. The impeller includes a hub and a magnetic element. An axial air gap is formed between the magnetic element and the coil unit. A height between a bottom face of the shaft-coupling portion and a top face of the hub is from 1.5 mm to 3.5 mm. The coil unit has a first maximum width, and the hub has a second maximum width. A ratio of the first maximum width to the second maximum width is from 0.7 to 1.3. A method for determining the dimensional proportion of the motor includes selecting a ratio of a first maximum width to a second maximum width as 0.7 to 1.3, and determining the values of the first and second maximum widths. | 10-16-2014 |
| 20140377093 | Cooling Fan - A cooling fan includes a fan frame, a stator unit and an impeller. The fan frame includes a balancing member having a shaft-coupling portion. A lateral wall portion is formed on the balancing member and includes an air inlet and an air outlet. The stator unit has a base plate and a coil unit. The impeller has a permanent magnet and a shaft rotatably coupled with the shaft-coupling portion. An air gap is formed between the permanent magnet and the coil unit. A first annular reference plane extends through the outer annular face of the permanent magnet, and a second annular reference plane extends through the inner annular face of the permanent magnet. A magnetic attraction range is formed between the balancing member, the permanent magnet and the first and second annular reference planes. The balancing member is at least partially shaded from the permanent magnet by the base plate. | 12-25-2014 |
| 20150035401 | Motor - A motor includes a base, a stator unit and a rotor. The base includes a shaft tube receiving a sleeve bearing and a positioning member. The positioning member positions the sleeve bearing and includes a hole having a minimal diameter. The stator unit is arranged on the base. The rotor includes a shaft and a permanent magnet. The shaft extends through the hole of the positioning member and rotatably couples with the sleeve bearing. An air gap is formed between the permanent magnet and the stator unit. The shaft has a maximal diameter, and the minimal diameter of the hole of the positioning member is larger than 1.05 times of the maximal diameter of the shaft but is smaller than or equal to two times of the maximal diameter of the shaft. | 02-05-2015 |
| 20150043226 | LAMP - A lamp including the following elements is provided. A housing has an assembling opening and an electrical base on two ends thereof, wherein the housing has an inner wall and a portion of the inner wall adjacent to the assembling opening is an air-guiding wall. A cooling fan has a casing disposed at the assembling opening and forming an air channel, a fan wheel rotatably arranged in the air channel, and two partitioning boards between the air-guiding wall and the air channel so as to define two first air-guiding openings and a second air-guiding opening. A light-emitting module is arranged in the housing and opposite to the fan wheel. Accordingly, the present lamp does not require forming any air inlet or air outlet on the housing, and thus provides a simplifier structure. | 02-12-2015 |
