Abstract: The present invention provides a fan having a frame and a plug. The frame includes an accommodating portion and at least two fixed holes. Each of the fixed holes is disposed on the two sides of the accommodating portion. The plug has a terminal seat with at least two linking portions and a bipolar knife-shaped terminal between an top seat and a bottom seat of the terminal seat, and the plug so that the plug is assembled with the fixed holes of the frame via the linking portions of the plug and is accommodated within the accommodating portion of the frame.

Abstract: A fan and a rotor structure thereof. The rotor structure has a case, an upper linking structure, a lower structure, and a rotating shaft. The case has an opening at the axle center. The upper linking structure has a fixing portion and a threaded portion. The minimum radius of the fixing portion is longer than the radius of the opening. The threaded portion is disposed in the opening. The lower linking structure has a thread corresponding to the threaded portion. The upper linking structure and the lower linking structure is screwed together to secure the case therebetween. The rotating shaft is fixed in the upper linking structure or the lower linking structure.

Abstract: A fan includes a fan frame and an impeller. The fan frame has a housing, a base and at least one supporting element. The inner wall of the housing has at least one guiding portion in the form of a curved cavity for increasing an airflow intake of the fan, and the base is disposed within the housing and has a bottom portion and a pressurizing portion. The pressurizing portion is disposed around the bottom portion for increasing an air pressure of the fan. The supporting elements are connected to the housing and the pressurized portion of the base. The impeller is disposed within the housing and supported by the base.

Abstract: A motor stator includes a yoke, a plurality of winding portions, a plurality of protrusions, and a plurality of arc extensions. The yoke includes a through hole at the center of the yoke. The winding portions are disposed around the exterior and extend outside of the yoke. The protrusion is disposed at an end of each winding portion. Each arc extension is engaged with each protrusion.

Abstract: A fan includes an inner-rotor type motor and an impeller. The inner-rotor type motor includes a housing, a stator structure, a rotor structure and a driving device. The stator structure has a magnetically conducting element. The rotor structure includes a shaft and a magnetic element. The shaft passes through the housing. The magnetic element mounts on the shaft and is disposed corresponding to the magnetic conducting element. The driving device is electrically connected with the magnetically conducting element. The stator structure, the rotor structure and the driving device are accommodated in the housing. The impeller is connected to the shaft.

Abstract: A bearing structure, which is cooperated with a shaft, includes a housing, a bearing, an elastic element and a blocking element. The shaft passes through the bearing. The elastic element presses against the bearing to provide a pre-stress to the bearing. The blocking element is apart from the bearing by a predetermined distance.

Abstract: A terminal structure is fixed to a circuit board for electrically connecting a wire with the circuit board. The terminal structure includes a fixing part and a connecting part. The fixing part is fixed to the circuit board. The connecting part is connected with the fixing part to be electrically connected with the wire. A connecting method of the terminal structure is also disclosed.

Abstract: A fan includes a fan frame and an impeller. The fan frame has a housing, a base and at least one supporting element. The inner wall of the housing has at least one guiding portion for increasing an airflow intake of the fan, and the base is disposed within the housing and has a bottom portion and a pressurizing portion. The pressurizing portion is disposed around the bottom portion for increasing an air pressure of the fan. The supporting elements are connected to the housing and the pressurized portion of the base. The impeller is disposed within the housing and supported by the base.

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: An anti-backflow device includes a case and a plurality of flappers. The case has at least one opening and a plurality of combining portion. The combining portions are disposed in two opposite sides of the opening. The combining portions and the case are integrally formed. The flappers are disposed in the opening in sequence. Each flapper has a first connecting portion and a second connecting portion, each of which pivots on one of the combining portions.

Abstract: A motor mechanism includes a stator, a first bearing, a second bearing, a sleeve and a rotor. The stator has an axial hole. The first bearing and the second bearing are respectively disposed in the axial hole. The sleeve is disposed in the axial hole and between the first bearing and the second bearing. The rotor has a shaft disposed in the axial hole and passing through the first bearing, the sleeve and the second bearing.

Abstract: A heat dissipating module includes a casing and at least one fan. The casing includes a first casing body having at lease one air-guiding portion and at least one porous area. The air-guiding portion and the porous area are integrally formed as a monolithic unit. The fans are disposed within the casing and each fan is disposed with respect to each air-guiding portion, respectively. Each of the air-guiding portions has a first end connected to the first casing body, and a second end disposed around the porous area. Each of the porous areas has a plurality of holes for allowing air to enter the fans inside the casing along the air-guiding portion.

Abstract: A motor includes a stator, a first bearing, a second bearing, a first buffer element, a second buffer element and a rotor. The rotor has a shaft passing though the first bearing, the second bearing, the first buffer element and the second buffer element in order. The first buffer element is disposed adjacent to the first bearing for buffering in one direction, and the second buffer element is disposed adjacent to the second bearing for buffering in another direction.

Abstract: A wire-fixing element is coupled into an opening of a base. A wire passes through the opening, and one part of the wire is disposed in the base. The wire-fixing element includes a first end and a second end. A pair of arms is disposed at the first end and the arms are buckled into the opening. A supporting member is disposed at the second end and is used for supporting the wire.

Abstract: A heat dissipation module with twin centrifugal fans is described. The heat dissipation module is utilized in an electrical equipment and especially for a computer server system. The heat dissipation module has a honeycomb panel, a first fan, an air duct, a second fan and a plurality of sliding rails. The honeycomb panel connects with an outlet of the first fan and an out of the air duct in the rear side thereof. The first fan sucks hot air from the underside thereof and exhausts the hot air to the outside through the honeycomb panel. The second fan sucks hot air from the underside thereof and exhausts the hot air to the outside through the honeycomb by way of the air duct. The sliding rails configure along the two sides of the first fan and the second fan.

Abstract: A heat-dissipating mechanism for a motor includes a rotor and a stator base. The rotor rotates with respect to the stator base and includes a casing and a hub. The casing has a side portion and a bottom portion, and at least one opening is disposed at the bottom portion. The hub is disposed on the casing, for preventing an external particle from entering the rotor. The hub includes a plurality of separation ribs and when the hub is disposed on the casing, a heat-dissipating passage is formed between every two adjacent separation ribs and the side portion of the casing.

Abstract: A rotor. The rotor includes a case, a reinforcing part, a shaft and a connecting element. The reinforcing part is formed with the case and defines an opening. The shaft extends into the opening. The connecting element connects the case and the shaft, with the reinforcing part disposed inside.

Abstract: A heat dissipation module includes a first heat dissipation apparatus, a second heat dissipation apparatus, at least one first flapper and at least one second flapper. The first heat dissipation apparatus has a first airflow passage, and the second heat dissipation apparatus has a second airflow passage. The first flappers and the second flappers are separately disposed within the first airflow passage and the second airflow passage. The first flappers and the second flappers are moved to an open position due to force generated by air flowing through the first airflow passage and the second airflow passage, and are moved to a closed position after the force is removed.

Abstract: A hot swap fan includes a fan and a puller structure. The puller structure covers a side surface of the fan. The puller structure includes a base, a holder, and a fixing structure. A first end of the base is pivoted to the fan. The holder and the fixing structure are on a second end of the base.

Abstract: A flow direction control mechanism is provided, which includes at least a rotatable means provided in a passage of an electronic system or apparatus. The rotatable means moves to an open position by means of a force generated from fluids flowing through the passage and returns to a close position in the absence of the force. Further, a restrictor is disposed adjacent to the rotatable means for restricting movement of the rotatable means between the open position and the close position.