Abstract: A fan includes a base, a motor and an impeller, and the motor includes a sleeve, a rotor, a position limiting element and a composite elastic element. The sleeve is disposed on the base, and the sleeve has a bottom portion and a side wall, which constitute an accommodation space. The rotor has a rotating shaft disposed within the accommodation space, and the rotating shaft has an outer wall. An annular groove is formed on the outer wall and has a surface. The position limiting element is disposed on the sleeve and extended from the side wall toward the rotating shaft, and the position limiting element has a bottom surface. The bottom surface faces toward the bottom portion, and the bottom surface is interfered with the surface, thereby eliminating the gap between the bottom surface and the surface. Therefore, noise of the up and down vibration is avoided from generating.

Abstract: The present disclosure provides a motor structure including a winding set, a rotor and a motor base. The rotor is driven by the winding set. The motor base includes a central portion, a surrounding portion, at least one connecting element and at least one limitation element. The winding set is disposed on the central portion. The surrounding portion is disposed around the central portion. The limitation element includes a first limitation part and a second limitation part disposed on the central portion and the surrounding portion, respectively. The connecting element is deformable and connected between the central portion and the surrounding portion. The connecting element includes a first supporting part and a second supporting part connected between a deformation part. The first supporting part, the second supporting part and the deformation part are cooperatively form a buffer zone between the first limitation part and the second limitation part.

Abstract: An outer rotor type fan structure includes a stator assembly, an outer rotor assembly, a front lateral shielding sheet and an impeller. The stator assembly includes a stator core and a plurality of coils. The outer rotor assembly corresponds to and covers the stator assembly. The outer rotor assembly includes a plurality of magnets and a rotor yoke. The plurality of magnets is disposed corresponding to the plurality of coils. The front lateral shielding sheet is a metallic sheet, the front lateral shielding sheet is disposed between the stator assembly and the outer rotor assembly, and the front lateral shielding sheet corresponds to and covers the plurality of coils. The impeller includes a plurality of blades. The rotor yoke drives the plurality of blades rotating. Thereby, the outer rotor type fan structure can be shielded and the fan can operate properly.

Abstract: A centrifugal fan with dual outlets in the same direction includes a fan frame, an impeller, and a motor. The fan frame includes an upper cover, a base plate and a first air deflector. The base plate and the upper cover are connected to form an accommodating space and an air outlet plane. The first air deflector is arranged near the air outlet plane and divides the air outlet plane into a first air outlet and a second air outlet. The impeller is disposed in the accommodating space. The impeller and the side wall of the fan frame form a flow channel therebetween. The motor is connected to the impeller and drives it to rotate. The first air deflector extends inward of the flow channel from the air outlet plane and the end of the first air deflector has a first guide portion, which is a slanted surface.

Abstract: A centrifugal fan with axial-flow wind includes a centrifugal fan wheel and a cover shell. The centrifugal fan wheel has a rotating core structure and a plurality of centrifugal vanes arranged around the rotating core structure; a circular wind guide surface is disposed on an internal side of the cover shell and around the rotating core structure and covered onto the centrifugal vanes, such that the circular wind guide surface can change a centrifugal airflow at the external periphery of the centrifugal vane into an axial-flow airflow.

Abstract: A centrifugal fan includes a frame and an impeller. The impeller is disposed within the frame. The impeller includes a hub, a first blade group and a second blade group. The hub includes a center part, an inclined part and a connection part. The first blade group is connected with the connection part of the hub. The second blade group is disposed on the inclined part of the hub. There is a first distance between the second blade group and the first blade group. There is a second distance between the second blade group and the center part of the hub.

Abstract: A centrifugal fan includes a frame and an impeller. The impeller is disposed within the frame. The impeller includes a hub, a first blade group and a second blade group. The hub includes a center part, an inclined part and a connection part. The first blade group is connected with the connection part of the hub. The second blade group is disposed on the inclined part of the hub. There is a first distance between the second blade group and the first blade group. There is a second distance between the second blade group and the center part of the hub.

Abstract: A plural-fans driving apparatus includes a controller, a first fan driving circuit, a second fan driving circuit and a protection and input interface circuit. The controller controls the first fan driving circuit to drive a first fan apparatus. The controller controls the second fan driving circuit to drive a second fan apparatus. The protection and input interface circuit is used to protect the first fan driving circuit and the second fan driving circuit. The protection and input interface circuit is a common input interface for the first fan driving circuit and the second fan driving circuit.

Abstract: A centrifugal fan with dual outlets in the same direction includes a fan frame, an impeller, and a motor. The fan frame includes an upper cover, a base plate and a first air deflector. The base plate and the upper cover are connected to form an accommodating space and an air outlet plane. The first air deflector is arranged near the air outlet plane and divides the air outlet plane into a first air outlet and a second air outlet. The impeller is disposed in the accommodating space. The impeller and the side wall of the fan frame form a flow channel therebetween. The motor connects the impeller and drives it to rotate. The first air deflector extends inward the flow channel from the air outlet plane and the end of the first air deflector has a first guide portion, which is a slant surface.

Abstract: An outer rotor type fan structure includes a stator assembly, an outer rotor assembly, a front lateral shielding sheet and an impeller. The stator assembly includes a stator core and a plurality of coils. The outer rotor assembly corresponds to and covers the stator assembly. The outer rotor assembly includes a plurality of magnets and a rotor yoke. The plurality of magnets is disposed corresponding to the plurality of coils. The front lateral shielding sheet is a metallic sheet, the front lateral shielding sheet is disposed between the stator assembly and the outer rotor assembly, and the front lateral shielding sheet corresponds to and covers the plurality of coils. The impeller includes a plurality of blades. The rotor yoke drives the plurality of blades rotating. Thereby, the outer rotor type fan structure can be shielded and the fan can operate properly.

Abstract: A motor includes a base plate, a stator, a rotor, a circuit board and a Hall element. The stator is disposed on the base plate. The rotor is disposed around the stator, and includes a rotating shaft and a magnetic assembly. The rotating shaft is extended to a center part of the stator. The magnetic assembly includes plural magnets. The circuit board is arranged between the stator and the base plate and comprises a Hall element. A first gap and a second gap are arranged between every two adjacent magnets. The first gap is in the vicinity of the Hall element, and opposed to the second gap. The distance of a vacant portion of the first gap is shorter than the distance of the second gap, thereby facilitating continuous and steady magnetic induction between the Hall element and the magnetic assembly.

Abstract: A magnet module is disclosed. The magnet module includes a sintered magnet structure, a magnetic permeable casing and a fixing member. The sintered magnet structure is disposed in the magnetic permeable casing. The fixing member has a plurality of locking units, and the sintered magnet structure and the magnetic permeable casing are fixed by the locking units of the fixing member.

Abstract: A centrifugal fan with axial-flow wind includes a centrifugal fan wheel and a cover shell. The centrifugal fan wheel has a rotating core structure and a plurality of centrifugal vanes arranged around the rotating core structure; a circular wind guide surface is disposed on an internal side of the cover shell and around the rotating core structure and covered onto the centrifugal vanes, such that the circular wind guide surface can change a centrifugal airflow at the external periphery of the centrifugal vane into an axial-flow airflow.

Abstract: A fan and a frame with a sensor-supporting structure are disclosed. The fan includes a frame with an inlet, a connecting portion disposed on the frame, a stator, and a rotor having blades and disposed in the frame. The frame includes a main body and a sensor-supporting structure. The sensor-supporting structure extending from the main body toward the inlet is utilized to support a sensor.

Abstract: A fan includes a plurality of blades and a motor. The motor includes a hub and a shaft having an end connected to the hub, a bushing, a bearing, and an oil-sealing structure. The blades are connected with and surrounding around the hub. The bushing is for supporting the other end of the shaft, and the bearing is disposed in the bushing and used to telescope the shaft. The shaft passes through the oil-sealing structure. The oil-sealing structure is telescoped to the shaft to fit tightly and the oil-sealing structure includes a main body and a barricade inwardly extending toward the shaft so that the oil-sealing structure is fixedly connected with the bushing.

Abstract: A motor includes a base plate, a stator, a rotor, a circuit board and a Hall element. The stator is disposed on the base plate. The rotor is disposed around the stator, and includes a rotating shaft and a magnetic assembly. The rotating shaft is extended to a center part of the stator. The magnetic assembly includes plural magnets. The circuit board is arranged between the stator and the base plate and comprises a Hall element. A first gap and a second gap are arranged between every two adjacent magnets. The first gap is in the vicinity of the Hall element, and opposed to the second gap. The distance of a vacant portion of the first gap is shorter than the distance of the second gap, thereby facilitating continuous and steady magnetic induction between the Hall element and the magnetic assembly.

Abstract: A fan integrated with a sensor is provided and includes a transmission terminal, a frame, a stator, a rotor with the blades. The transmission terminal is electrically connected to the sensor. The frame includes a main body and a supporting structure. The main body forms an inlet, and the supporting structure extends from the main body toward the interior of the inlet and embeds a part of the transmission terminal. Also, a method for manufacturing the above-mentioned fan is disclosed.

Abstract: A fan includes a plurality of blades and a motor. The motor includes a hub and a shaft having an end connected to the hub, a bushing, a bearing, and an oil-sealing structure. The blades are connected with and surrounding around the hub. The bushing is for supporting the other end of the shaft, and the bearing is disposed in the bushing and used to telescope the shaft. The shaft passes through the oil-sealing structure. The oil-sealing structure oil-sealing structure is telescoped to the shaft to fit tightly and the oil-sealing structure includes a main body and a barricade inwardly extending toward the shaft so that the oil-sealing structure is fixedly connected with the bushing.

Abstract: A fan and a frame with a sensor-supporting structure are disclosed. The fan includes a frame with an inlet, a connecting portion disposed on the frame, a stator, and a rotor having blades and disposed in the frame. The frame includes a main body and a sensor-supporting structure. The sensor-supporting structure extending from the main body toward the inlet is utilized to support a sensor.