Abstract: The present invention is a radial fan having an axial fan blade configuration. The present invention comprises a hub; a first set of blades around the hub; and a second set of blades on the extending part. Therein, the hub comprises a hollow at the center, an axle, a guiding part and an extending part. The gaps are each between every two adjacent blades of the second blade set, having the same distance between every two adjacent gaps. The second set of blades comprises a plurality of blades around outside of the first set of blade and a ring connected with the blades. Accordingly, the structure of the blades may increase the wind pressure, reduce the energy loss by the blade rotation and raise the work efficiency of the blades while the noise is lessened and the working current is lowered.

Abstract: The present invention is a method and an apparatus for side-type heat dissipation. According to the present invention, a heat dissipation unit is deposed on a CPU to absorb the heat it generates; a cover is covered on the unit, where two openings are at two opposite ends and one of the openings has an inclined plane as well as a fan, and one of the openings is corresponding to a fan on the computer case; and an air flow is guided by a fan to the heat dissipation unit and is directed to a fan of a power supplier to be blown out of the computer case. By doing so, no thermal cycling will occur in the computer case and better heat-dissipation efficiency can be obtained.

Abstract: The present invention is a printed circuit board having cooling means incorporated therein, which is coordinated with a fan. The fan comprises a frame, a stator, a rotator and a circuit board. The circuit board comprises at least one electronic component, a control IC and a heat discharge region. The heat discharge region comprises two heat dissipation areas with a plurality of holes; and the control IC is at a position corresponding to the heat discharge region. Accordingly, the circuit board can be ventilated and its heat-transfer structure can be destroyed to further obtain a better heat discharge so that the work efficiency of the control IC can be improved.

Abstract: A box for an electric fan, which can include a fan body, a wire and a connector, generally includes a plurality of first boards, second boards, and connector boards within the box. These boards can form respective containers for the fan body and respective containers for the connector. Desirably, each board of the plurality of second boards and the plurality of connector boards form respective fillisters. As such, at least one of the fillister of a second board and the fillister of a connector board can receive at least a portion of the wire of the electric fan.

Abstract: The present invention is a guiding fin heat sink, where a heat-dissipation unit is stuck on a CPU by a base and the unit has guiding channels passing through two ends; heat pipes are located between the base and the unit at one end, the other end is made penetrating through the guiding channels, and one end surface of the guiding channels is corresponding to an opening on a side wall of a computer case; and, after the heat of the CPU is absorbed by the base, it is directed to the heat-dissipation unit and the heat pipes and is carried to the outside of the computer case by an air flow made a fan between the case and the unit, so that no heat re-cycling is in the case and better heat dissipation efficiency is obtained.

Abstract: The present invention is an axle fixture for heat dissipation fan and a method of manufacture thereof, comprising steps of the followings: obtaining a shell with an axle at center where a depression is deposed on the bottom with several rabbets which are not connected to the axle; providing a lower mold with a platform and a concave where the shell is covered on the platform and the concave is corresponding to the rabbets; obtaining an upper mold with sprue to cover on the shell where the sprue is corresponding to the concave but not to the axle; and pouring a fixing agent from the sprue into the concave with the guidance of the rabbets so that the axle can be firmly fixed at the center of the shell after the fixing agent is solidified. In this way, an axle fixture can be easily manufactured and the cost can be reduced while the axle can be firmly fixed at the center of the shell.

Abstract: The present invention is a method and an apparatus for side-type heat dissipation. According to the present invention, a heat dissipation unit is deposed on a CPU to absorb the heat it generates; a cover is covered on the unit, where two openings are at two opposite ends and one of the openings has an inclined plane as well as a fan, and one of the openings is corresponding to a fan on the computer case; and an air flow is guided by a fan to the heat dissipation unit and is directed to a fan of a power supplier to be blown out of the computer case. By doing so, no thermal cycling will occur in the computer case and better heat-dissipation efficiency can be obtained.

Abstract: The present invention is a housing fastener for a blower, which comprises a base and a cover. The base is surrounded by a stop rail which comprises a plurality of fixing holes at proper places and a plurality of stoppers being convex at the edge of the stop rail. The cover is covered on the base, which comprises a plurality of buckling members extended out of the edge corresponding to the fixing holes; and concave parts near the buckling members corresponding to the stoppers. By the structure, the base and the cover are fastened to form a fan frame where the buckling members of the cover are firmly fixed to the fixing holes of the base to prevent from easy departure.

Abstract: The present invention is a hub structure for a heat-dissipation fan, comprising a hub; and a plurality of locking parts. Therein, the hub includes a containing space. The locking parts are at the bottom of the containing space. Each locking part comprises a curved surface, a hook extended to the side wall of the containing space, and a leaning part at the end. Accordingly, by the locking parts, a metal sheath for a fan can be locked to a hub and is firmly fixed in the containing space to prevent from looseness or departure.

Abstract: The present invention is a radial fan having an axial fan blade configuration. The present invention comprises a hub; a first set of blades around the hub; and a second set of blades on the extending part. Therein, the hub comprises a hollow at the center, an axle, a guiding part and an extending part. The gaps are each between every two adjacent blades of the second blade set, having the same distance between every two adjacent gaps. The second set of blades comprises a plurality of blades around outside of the first set of blade and a ring connected with the blades. Accordingly, the structure of the blades may increase the wind pressure, reduce the energy loss by the blade rotation and raise the work efficiency of the blades while the noise is lessened and the working current is lowered.

Abstract: The present invention is a printed circuit board having cooling means incorporated therein, which is coordinated with a fan. The fan comprises a frame, a stator, a rotator and a circuit board. The circuit board comprises at least one electronic component, a control IC and a heat discharge region. The heat discharge region comprises two heat dissipation areas with a plurality of holes; and the control IC is at a position corresponding to the heat discharge region. Accordingly, the circuit board can be ventilated and its heat-transfer structure can be destroyed to further obtain a better heat discharge so that the work efficiency of the control IC can be improved.

Abstract: The present invention relates to a fan hub with a rocket shaped end. The fan hub comprises a hub body with a depressed ditch rounding at a proper position and a guiding section extended from the depressed ditch, and a plurality of fan blades on the outer surface of the hub body. The guiding section gradually narrows to an end and the tip at the end is in a curved shape. Accordingly, when the fan blades rotate, undesirable noise and working current can be reduced; and, simultaneously, the present invention can effectively guide the air flow, decrease the wastage of power, and improve the working efficiency of the fan.

Abstract: The present invention is to provide a cable strain-relief member for a PC fan, comprising a pressing part, two locking parts at both ends of the pressing part, and two releasing parts at the two joint portions between the pressing part and the locking parts. Accordingly, the strain-relief member can be set at a rib of the fan frame to firmly bind lead wires on the rib of the fan frame to prevent from being swung left and right, or being shaken up and down, to be loosened by an external force. Besides, the strain-relief member can be released for easy maintenance and packing of the fan according to the actual need.

Abstract: The present invention is a symmetrical heat sink module with a heat pipe for spreading of heat, comprising a first and a second sets of fins each with a first and a second heat dissipation areas where the first and the second heat dissipation areas each comprises corresponding concave parts; a curved heat pipe between the concave parts with the bottom being convex out of the bottom of the first and the second sets of fins; and a base at the convex bottom of the curved heat pipe. Accordingly, the first and the second sets of fins are corresponding to each other so that the heat sink module obtains larger heat dissipation area and the function of two-side dissipation to achieve better heat dissipation efficiency.

Abstract: The modified centrifugal fan wheel comprises a hollow hub and a set of blade. A hollow hub axis is disposed at the center of a hollow portion of the hollow hub. Along a top side surface of the hollow hub is a curved guiding inlet part and along a bottom side surface of the hollow hub is a curved surface with a smooth fillet extending to a closed part. A set of blades is arranged around an outer part of the hollow hub, having an up ring and a down ring. An inner part of the down ring is connected to the closed part of the hollow hub. Blades are disposed between the up ring and the down ring. Wind holes are disposed equidistantly between each of the blades and equidistant perforations are arranged on the surface of the down ring, connecting to the wind holes between each of the blades. By the closed part and the perforation of the fan wheel, low noise and low current are provided. Meanwhile, power consumption is reduced and working performance of the fan wheel is also improved.