Abstract: The present invention relates to a fan frame structure, which is composed of a plastic seat and a metal circular casing. At least two opposing guard fences disposed in a radial manner and extended upwards from a top edge of said seat. A fitting rim for inserting the metal circular casing is provided between an inner surface of the guard fence and a top surface of the seat. A side column is extended from a top side of the guard fence to cover and support the metal circular casing. Accordingly, the use of costly metal material can be reduced to lower the production cost, and the decrease of strength and deformation of the fan frame structure due to high temperature can be prevented. Meanwhile, the frame wall thickness can be reduced to enlarge the fan blade, thereby increasing air flow, fan speed and heat dissipation performance of a cooling fan.

Abstract: The present invention relates to a motor structure, which includes a base having a shaft tube centrally, in which a bottom portion of the shaft tube is sealed for placing a bearing therein, and at least a reference plane is provided on the outer periphery of the shaft tube; a rotor having a spindle disposed centrally therein for passing through the bearing and rotating therein; a stator module disposed on the outer periphery and positioned on the reference plane. Besides, an urging part is disposed on an inner periphery of the top insulation sleeve of the stator module to urge against the bearing so that the precise assembling position of the stator module can be definitely defined to prevent the bearing from getting loose due to high assembling position and to prevent the fracture of the urging part due to low assembling position.

Abstract: The invention relates to a motor lubricant cycling system, wherein a plurality of slots are disposed in the inner wall of the shaft tube in contact with the bearing, one end of the slot is connected to the conjunction of the top side of the bearing and the shaft, the lubricant, due to the pump effect, elevates along the shaft when the motor is rotating at high speed and is sucked in the slot by a backflow suction, and the other end of the slot is connected to the lubricant container beneath the bearing in formation of a guiding path dedicated to the lubricant cycling. According, the lubricant can be recycled for operation so as to reduce the noise resulting from the motor operation and prolong the life cycle.

Abstract: The present invention relates to a linear micro motor having an forward and backward reciprocating motion. The linear micro motor includes at least two actuators which can be a scratch drive actuator (SDA), a bounce drive actuator (BDA) or a combination thereof. To achieve the reciprocating motion, the linear micro motor is arranged in a way that at least two SDAs are disposed in an opposite manner, at least two BDAs are disposed in an opposite manner, or at least a SDA and at least a BDA are disposed in an identical manner. The linear micro motor of the present invention in accordance with the arrangement of the actuators can be realized to be applicable to a digital camera or camera phone by the advancing and receding linear motion caused by the motion of the actuators to achieve a focus-adjustable liquid crystal lens.

Abstract: The present invention relates to a micro motor including a hub, a rib structure, an inner ring, an outer ring and at least two micro actuators, in which a top edge of the hub is projected outwardly to form a top lid, a plurality of bumps are provided between the rib structure and the top lid, and protruded limiting parts are disposed between the wall of the inner hole of the rib structure and the outer periphery of the hub so that the rib structure is in point contact with the hub and the top lid. Therefore, when the micro actuators drive the rib structure, the inner ring and the outer ring to rotate, mutual abrasion among those parts can be reduced to prolong the lifespan of the micro motor.

Abstract: The present invention relates to a fixing structure of motor spindle, which includes a spindle and a snap ring. One end of the spindle has a snap slot with a reduced diameter, and the inner hole of the snap ring shall be slightly greater than the maximum outer diameter of the snap slot, thereby maintaining a gap with a radius difference between the inner hole of the snap ring and the snap slot of the spindle in size of less than or equivalent to 0.37 mm. Meanwhile, by means of the holding effect of a bearing and a bottom cap, the snap ring of the present invention won't rotate with the spindle and won't generate noise due to abrasion with the spindle. Not only can the snap ring stably hold and fix the spindle to prevent the spindle from disengaging, but also it is free of the noise issue out of abrasion.

Abstract: The impeller structure of blower in the present invention mainly includes a hub and an impeller. The hub has a spindle disposed centrally therein. The impeller has a top connection ring, a bottom connection ring, a pressure-retaining ring and a plurality of blades, in which the blades are vertically arranged around the periphery of the hub, an outer edge on a top side of each blade is connected with a top connection ring, an bottom side of the inner side of the blade is connected with a bottom connection ring, the outer side is connected with the pressure-retaining ring, and a plurality of swirl-like ribs are extended outwards from the bottom edge of the periphery of the hub and connected with the bottom connection ring. At least a pressure relief hole is provided between the pressure-retaining ring and the bottom connection ring so that the bottom surface of the impeller is not fully enclosed.

Abstract: A lamp comprises a housing, a heat sink, a light emitting member, a fan and a blocking ring. The housing includes an outlet section and an inlet section formed on the wall thereof. The heat sink is mounted inside the housing and includes a base plate and a plurality of fins, with the fins being close to the outlet section of the housing and arranged around the base plate to form a chamber. Each of the fins has a first end facing the inlet section of the housing and a second end connecting with the base plate. The light emitting member is fixed to the base plate of the heat sink. The fan is fixed inside the chamber of the heat sink. The blocking ring is mounted inside the housing and between the inlet section and the heat sink and includes an inlet hole aligned with the chamber of the heat sink. By the blocking ring, parts of the heated air flows are blocked from flowing back to the inlet section to avoid turbulence resulting from flowing back air flows.

Abstract: The present invention relates to a micro motor structure, which includes a hub, a rib structure, an inner ring, an outer ring and at least two micro actuators in which a top edge of the hub is projected outwards to form an upper lid having at least two protrusions in form of rectangular tooth, triangle or arc so that the upper lid is in point contact with the inner wall of the inner ring. As such, in spite of collision between the inner ring and the upper lid, when the micro actuators drive the rib structure, the inner ring and the outer ring to rotate, mutual abrasion between the upper lid and the inner ring is alleviated due to the point contact therebetween, thereby prolonging the lifespan of the micro motor.

Abstract: The present invention relates to a self-assembly micro blade applied to a micro fan. The micro fan combines at least a self-assembly micro blade and a motor using an actuator as the main body of the micro fan. The self-assembly micro blade includes at least a movable part of a microstructure, at least an elastic joint provided between an outer ring of the micro fan and the movable part. The elastic joint is composed of a polyimide film, which is heated to contract and generate surface tension by using a reflow process so as to lift up the movable part of the microstructure; moreover, the movable part is bent in a curved form through the elastic link exhibits a multi-layer shape by serially connecting at least two movable parts so as to complete the self assembly of the micro blade, thereby increasing air flow rate and improving air flow length.

Abstract: A motor includes a base having a fixing seat, an axial tube mounted to the fixing seat, a rotor mounted to the axial tube, and a circuit board mounted to the base and including a stator and at least one heat-generating component. The base includes at least one slot. At least one fixed plate is located adjacent to the slot. The fixed plate is at a different height from the base. The fixed plate is smaller than the slot. The heat-generating component is fixed to the fixed plate. The fixed plate assists in dissipation of heat generated by the heat-generating component.

Abstract: The present invention relates to a fan frame structure including a plastic frame and a metal fixing frame, in which at least two support arms are disposed on the rim of the fixing frame and extended outwardly therefrom, the outwardly extended distance of each support arm shall be beyond the range of an accommodation space of the frame, the portion of the support arm beyond the accommodation space in integrally enclosed by the plastic material of the frame. Therefore, the present invention not only significantly lowers the material cost, but also produces a variety of products in coordination with various specifications of fixing frame by using a single injection mold for the frame to save the mold cost.

Abstract: The invention relates to a self-assembly microstructure with a polyimide thin-film elastic joint, which contains at least one stationary part of the microstructure and at least one movable part of the microstructure. An elastic joint located between the stationary part and the movable part is a photosensitive polyimide thin film material. The polyimide elastic joint is contracted after high-temperature reflow process. The surface tension force of cured polyimide can rotate and lift-up the movable part of the microstructure in completion of the self-assembly of the microstructure.

Abstract: The present invention relates to a pole piece structure of stator with radial winding, which employs an optimum ratio ? to define the form of the pole piece, increase the overlap region of inductance and torque and lower the cogging torque of a motor, so as to strengthen the self-starting capability of the motor and minimize torque ripple to enhance the overall performance of the motor. The pole piece structure includes a hub having a hole at the center, and a plurality of poles integrally formed on the periphery of the hub, extended to radiate in a radial direction, and having a pole shoe expanded from an end of each pole in a tangential direction, wherein the angle of a single pole shoe is divided by a pitch angle of two adjacent poles to obtain a ratio in a range of 0.86˜0.95.

Abstract: A mini-sized heat-dissipating module includes a miniature heat-dissipating plate and a miniature fan unit. The miniature heat-dissipating plate has an assembling space, at least one airflow channel and at least two engaging members. The assembling space, the airflow channel and the engaging members are provided on a top surface of the miniature heat-dissipating plate, wherein the assembling space is arranged between the two engaging members. The miniature fan unit has an air inlet, an air outlet and a fan wheel. The miniature fan unit is securely engaged between the two engaging members of the miniature heat-dissipating plate when assembled. The fan wheel of the miniature fan unit takes up a maximum area less than 1.6 cm2 for rotation.

Abstract: The present invention relates to a bearing structure having a top end face, a bottom end face, and a bore communicating with the top and bottom end faces, and having at least two oil-guide channel disposed on the inner wall of the bore, extending axially and penetrating one of the same end faces of the bearing. When the present invention is applied to a motor structure, the oil-guide channel is upwardly or downwardly disposed by penetrating the top or bottom end face of the bearing. Hence, when lubricant is churned by the spindle to permeate and diffuse, the oil-guide channel can block and collect the rising lubricant for the bearing to absorb, circulate and reuse again in a timely manner, thereby effectively preventing lubricant from draining and prolonging the operational lifespan of a motor.

Abstract: A display method for patent search comprises the steps of: providing a display list previously for entering at least one search term by a patent-searching interface, so as to automatically conduct a patent search through an executive program and download at least one computer file of at least one patent document matching said search term; copying literal contents in at least one representative section of each computer file into the display list; and displaying the display list by the patent-searching interface.

Abstract: A bushing structure for a motor has a shaft tube, a fastener and a bushing disposed on a hub. A bushing is disposed a bearing therein so that the shaft of the rotor penetrates through the bearing and rotates therein. The bushing has an engaging part over the bottom thereof and the engaging part integrally extends from the inner wall of the bushing and forms a plurality of projected and elastic plates capable of being inserted in the scoop channel over the end of the shaft to replace a snap ring such that the shaft and the rotor can be integrally disposed and positioned to prevent from falling off. As such, it is free of the concern if the snap ring will fall off or the issue posed on the assembling direction while assembling the bushing and the fastener.

Abstract: Provided is a new design and fabrication of scratch drive actuator (SDA) micro rotary motor with low driving voltage and high lifetime characteristics. To substantially reduce the driving voltage from 30˜150 Vo-p to 12˜30 Vo-p ac amplitude, a silicon wafer with very low resistivity (<0.004 ?-cm) was firstly adopted as the substrate of SDA micro motor. Furthermore, a novel SDA structure and geometric design for the improvement of lifetime (>75 hrs) and rotational speed (˜30 rpm) of SDA micro motor was also demonstrated in this patent.