Abstract: A fan is disclosed for use in a system, and the system has at least one connection structure. The fan is mainly composed of an impeller and a base, and the impeller is connected to the base. The impeller at least has a hub, a plurality of blades and a driver. The base has at least one engaging member, and the engaging member is corresponding to the connection structure. Further, the fan is fixed on the system by connecting the engaging member and the connection structure together.

Abstract: A heat-dissipating device and its manufacturing process are provided for significantly increasing the number and size of blades so as to enhance the heat-dissipating performance. The heat-dissipating device has a plurality of blades arranged around the hub of the heat-dissipating device and there is an overlapped region formed between every two adjacent blades. A single mold is used to manufacture such a heat-dissipating device so that not only can the manufacturing cost be reduced but it can significantly increase the number and size of blades so as to increase the heat-dissipating efficiency.

Abstract: A centrifugal fan includes a hub and an impeller. The impeller is composed of a plurality of blades mounted around an outer circumference of the hub. The paraxial side of the blade forms a backward leaning structure, while the non-paraxial side thereof forms a forward leaning structure. A chamfer structure also can be formed at a paraxial side of each blade to enlarge the air inlet of the fan. Each blade further includes a protrusion, which is located at a side opposite to the inlet and extends toward a center of the hub, to increase the airflow rate through the fan motor. The centrifugal fan further includes an anti-decompression cap connected to an inlet side of the impeller to prevent an axial flow of the intake air from decompression.

Abstract: A heat-dissipating device and a housing thereof. The housing includes a passage for guiding an air stream flowing from an opening to another opening, wherein an sidewall of the passage at least one of the opening sides extends radially outwards with a rotational axis of the heat-dissipating device or the passage so as to enlarge intake or discharge area for the air streams. Accordingly, the intake airflow rate may be greatly increased and the heat-dissipating efficiency of the heat-dissipating device may be greatly enhanced without changing assembling conditions with other elements.

Abstract: A fan assembly and impeller thereof. The fan assembly includes a plurality of blades and a hub. The hub includes an upper surface and a center point. The blades have bottom portions arranged in a circle on the upper surface with respect to the center point.

Abstract: A fan assembly and impeller thereof. The impeller comprises a hub having an upper surface, an axial sidewall extended along the axis of the impeller, and a corner connected between the upper surface and the axial sidewall; and a plurality of blades directly connected to the upper surface, the corner or the axial sidewall of the hub to define an air-intake space between an inner edge of the blades faced to the axis of the impeller and the upper surface of the hub for allowing the intake airflow to radially flow toward the blades.

Abstract: A modified mounting structure for a heat-dissipating device. The heat-dissipating device has a motor and a seat with a slot mounted on a base or the cover portion of a stator thereof. The seat secures a motor controller of the heat-dissipating device detecting phase changes of the magnetic poles of the motor. The structure of a heat-dissipating device reduces required components, manufacturing cost and assembly time, and the control circuit is greatly simplified.

Abstract: A heat-dissipating fan with an upward air-guiding member is provided. The heat-dissipating fan includes a housing, an impeller having a hub and a plurality of blades disposed around the hub, a base disposed inside the housing for supporting the impeller thereon, and an air-guiding member disposed between the base and the housing, wherein the air-guiding member has at least one inclined edge on the windward side or its opposite side relative to the horizontal line perpendicular to the axis of the heat-dissipating fan.

Abstract: A heat-dissipating fan with an upward air-guiding member is provided. The heat-dissipating fan includes a housing, an impeller having a hub and a plurality of blades disposed around the hub, a base disposed inside the housing for supporting the impeller thereon, and an air-guiding member disposed between the base and the housing, wherein the air-guiding member has at least one inclined edge on the windward side or its opposite side relative to the horizontal line perpendicular to the axis of the heat-dissipating fan.

Abstract: A centrifugal fan with stator blades. The centrifugal fan includes a first frame, a second frame, a driving device, and a blade structure with a first portion and a second portion. The second frame includes a plurality of stator blades thereon. The first portion is coupled with the driving device, and includes a plurality of first rotor blades thereon. The second portion is combined with the first portion and includes a plurality of second rotor blades thereon. The stator blades are located between the first rotor blades and the second rotor blades respectively.

Abstract: A serial fan includes a frame, a plurality of rotor vanes, at least one motor for driving the rotor vanes and a support connected to the frame through a plurality of connecting parts for receiving the at least one motor. The plurality of rotor vanes are arranged in series in the frame along an axial direction and the plurality of connecting parts are disposed therebetween to minimize space occupied by the serial fan in the axial direction, and effectively increase the blast pressure.

Abstract: A heat-dissipating fan with a plurality of upward rotor blades is provided. The heat-dissipating fan includes a housing, an impeller having a hub and a plurality of rotor blades disposed around the hub, and a base disposed inside the housing for supporting the impeller thereon. The rotor blades have at least one inclined edge with a first inclined angle relative to the horizontal line perpendicular to the axis of the heat-dissipating fan, respectively.

Abstract: A serial fan includes a frame, a plurality of rotor vanes, a support connected to the frame through a plurality of connecting parts. The plurality of rotor vanes are arranged in series in the frame along an axial direction and the plurality of connecting parts are disposed therebetween to minimize space occupied by the serial fan in the axial direction, and effectively increase the blast pressure.

Abstract: A centrifugal fan, comprising a frame and a first guide portion. The frame comprises a bottom portion and a curved wall connected thereto. The curved wall comprises an airflow inlet. The first guide portion disposed along the curved wall at the bottom portion comprises a beginning area, a middle area, and an ending area. The middle area connects the beginning and the ending areas, and the beginning area extends from the airflow inlet. The beginning area has a width less than that of the ending area, and the beginning area has a height greater than that of the ending area.

Abstract: A centrifugal fan, comprising a frame and a first guide portion. The frame comprises a bottom portion and a curved wall connected thereto. The curved wall comprises an airflow inlet. The first guide portion disposed along the curved wall at the bottom portion comprises a beginning area, a middle area, and an ending area. The middle area connects the beginning and the ending areas, and the beginning area extends from the airflow inlet. The beginning area has a width less than that of the ending area, and the beginning area has a height greater than that of the ending area.

Abstract: Disclosed is a stator structure of a rotary device and its forming method.

Abstract: This specification discloses a heat sink for coolers. The heat sink contains a heat conductive element, a heat dissipating shell covering over the heat conductive element, and a plurality of heat dissipating fins installed on the heat dissipating shell. The heat conductive element is comprised of a heat conductive plate and a heat conductive block installed at the center thereof. The area of the lower surface of the heat conductive block is greater than that of the upper surface thereof. When the lower surface of the heat conductive plate is in contact with a device that needs heat dissipation, the heat conductive block increases the heat conducting volume at the center of the heat conductive plate, so that the heat produced by the device can be released at an optimal rate.

Abstract: A connecting device of a hot swap fan module comprises at least one terminal and a casing. The at least one terminal is electrically connected to the fan so that, when the fan is mounted in a system, electrical connection is formed between the fan and the system. The connecting device further comprises at least one LED (light emitting diode) which is electrically connected to the fan or the at least one terminal for indicating the operating state of the fan, and at least one cover plate protruded from at least one edge of the casing so as to form the whole casing into an L or U-shaped structure. The casing is closely attached to one side face of the fan housing when the casing is assembled to the fan. The casing also has a recess for receiving those lead wires electrically connecting the terminals, the fan, and the LED.

Abstract: A heat sink for coolers is provided. The heat sink contains a heat conductive element, a heat dissipating shell covering over the heat conductive element, and a plurality of heat dissipating fins installed on the heat dissipating shell. The heat conductive element includes a heat conductive plate and a heat conductive block installed at the center thereof. The area of the bottom surface of the heat conductive block is greater than that of the topmost surface thereof. When the lower surface of the heat conductive plate is in contact with a device that needs heat dissipation, the heat conductive block increases the heat conducting volume at the center of the heat conductive plate, so that the heat produced by the device can be released at an optimal rate.

Abstract: A heat-dissipating device and its manufacturing process are provided for significantly increasing the number and size of blades so as to enhance the heat-dissipating performance. The heat-dissipating device has a plurality of blades arranged around the hub of the heat-dissipating device and there is an overlapped region formed between every two adjacent blades. A single mold is used to manufacture such a heat-dissipating device so that not only can the manufacturing cost be reduced but it can significantly increase the number and size of blades so as to increase the heat-dissipating efficiency.