Abstract: A motor includes a base, a bearing sleeve, a stator, a rotating member, a thrust bearing, and a hub. The bearing sleeve is arranged with the base and has an opening end and a sealing end opposite to each other. The stator connects with the base or the bearing sleeve. The rotating member is arranged inside the bearing sleeve and includes a shaft and a limiting portion adjacent to the sealing end. A first end of the shaft connects with the limiting portion, and a second end of the shaft has a coupling portion adjacent to the opening end. The thrust bearing is arranged between the shaft and an inner surface of the bearing sleeve, so that the limiting portion is between the thrust bearing and the sealing end. The hub connects with the coupling portion of the shaft and has a permanent magnet corresponding to the stator.

Abstract: A motor of a ceiling fan includes a stator, a rotor, and a base. The stator has a shaft and a core. The rotor has a first housing rotatably coupling with the shaft. The base has a second housing firmly connecting with the stator. The core of the stator is positioned between the first and second housings, an air channel communicates the inside and the outside of the motor, and the first housing is able to rotate relative to the second housing for generating an air current inside the motor and guiding the air current out of the motor via the air channel.

Abstract: An air-guiding casing of a ventilation fan includes a main body and an air-guiding tube. The main body forms a compartment and includes an inlet and an outlet. The inlet and the outlet are in communication with the compartment. A first engaging portion is arranged on a part of an edge of the outlet and on one side of the main body. The air-guiding tube has an engaging end and an outlet end opposite to the engaging end. A second engaging portion is arranged on the engaging end. The first and second engaging portions are engaged with each other.

Abstract: A centrifugal fan includes a fan frame, a stator assembly and an impeller. The fan frame has a base plate portion, a cover plate portion and a lateral wall portion. The cover plate portion includes first and second faces. The cover plate portion includes an air inlet, and the lateral wall portion includes an air outlet. The impeller has a radial rotational range. The cover plate portion includes an air-guiding section and an enlarged guiding section. The air-guiding section is aligned with the radial rotational range, and the enlarged guiding section is aligned with an area outside the radial rotational range. A part of the second face is spaced from a bottom of the base plate portion by a first minimal axial distance, and another part of the second face is spaced from the bottom by a second minimal axial distance smaller than the first minimal axial distance.

Abstract: A motor of a ceiling fan includes a stator, a shaft, a linking seat, and a rotor. The stator has a core with an assembly hole. The linking seat couples with the core and has an axial hole in alignment with the assembly hole in an axial direction of the shaft firmly resting in the axial hole. The rotor is rotatably arranged around the shaft.

Abstract: A motor of a ceiling fan includes: a shaft having two shoulder surfaces facing in opposite axial directions of the shaft, with the shaft coupling with a stator; and a bearing sleeve receiving two bearings for supporting the shaft, with an annular flange formed at an end of the bearing sleeve. The annular flange and one of the shoulder surfaces of the shaft clamp and position one of the bearings. A rotor has a housing coupling with the bearing sleeve, with the housing having a connecting portion. The connecting portion and the other one of the shoulder surfaces of the shaft clamp and position the other one of the bearings.

Abstract: An air exchange device includes: an air-guiding tube having a first end and a second end opposite to each other, with the first end having a first inlet and a first outlet, and with the second end having a second inlet and a second outlet; a partition arranged inside the air-guiding tube to divide the inside of the air-guiding tube into a first air-guiding space communicating with the first and second inlets and a second air-guiding space communicating with the first and second outlets; a first filter arranged in a position adjacent to the first inlet; a second filter arranged in a position adjacent to the second inlet; and at least one fan adapted to draw and expel air and combined with the air-guiding tube. Bores of meshes of the first filter are larger than bores of meshes of the second filter.

Abstract: A fan frame and a fan having temperature detecting element are provided. The fan frame includes a body and a circuit board. The body includes an inlet. The circuit board is installed around the inlet of the body. The temperature detecting element traverses the inlet. The first wire electrically connects the first contact end and the first external contact terminal. The second wire electrically connects the second contact end and the second external contact terminal. At least one of the first wire and the second wire includes a plurality of bending sections. By utilizing the bending sections of the first wire or the second wire, the length of the first wire or the second wire can be increased. Therefore, the influence in the temperature detecting element caused by the circuit board can be lowered and the error of the detecting temperature can be decreased.

Abstract: A centrifugal fan includes a fan frame, a stator assembly and an impeller. The fan frame has a base plate portion, a cover plate portion and a lateral wall portion. The cover plate portion has an air inlet, and the lateral wall portion has an air outlet. The impeller includes a rotating member, a plurality of blades and a connection ring. The rotating member is coupled with the stator assembly. Each blade has a windward edge and a lateral edge. The windward edge faces the air inlet, the lateral edge faces the lateral wall portion, and the connection ring is arranged on the windward edges of the blades. The windward edge has a first coupling edge, and the connection ring has a second coupling edge. A part of the windward edge between the first coupling edge and the lateral edge extends downwards in a curved manner, forming a truncating portion.

Abstract: A motor includes a bearing sleeve arranged with a base and having opposite opening and sealing ends; a stator coupled with the base or bearing sleeve; and a rotating member disposed in the bearing sleeve and including a shaft and a limiting portion adjacent to the sealing end. A first end of the shaft connects with the limiting portion, a second end of the shaft has a coupling portion, and the limiting portion has a first contact surface. A thrust bearing is arranged between the shaft and the bearing sleeve and has a second contact surface facing the first contact surface. At least one of the first and second contact surfaces is an uneven surface. A hub is coupled with the coupling portion of the shaft and has a permanent magnet corresponding to the stator.

Abstract: A radial-winding stator of a motor including a core and eight poles is disclosed. Each pole has a magnetic pole and a pole piece. The magnetic pole is connected to the core and extends outwards from the core in a radial direction. The pole piece is formed at one end of the magnetic pole distant to the core. The pole piece includes a magnetic end face having an arc length along a circumferential direction of the core, as well as an axial height along an axial direction perpendicular to the radial direction. A ratio of the arc length to the axial height is between 2.05 and 10. In another embodiment, the radial-winding stator includes ten or twelve poles.

Abstract: An easy-to-start motor includes a base, a stator and a rotor. The base has a plastic member and a metallic induction member wrapped with the plastic member. The metallic induction member includes at least one magnetic attraction portion. Each magnetic attraction portion is in the form of a protrusion. The stator is coupled with the base. The rotor has a shaft and a permanent magnet. The shaft is capable of being coupled with the base. The at least one magnetic attraction portion is magnetically attracted by the permanent magnet, to prevent the rotor from stopping at a dead location where it is difficult to start the motor. A base of the easy-to-start motor is adapted to be coupled with a rotor, including a plastic member and a metallic induction member wrapped with the plastic member.

Abstract: A motor includes an outer frame, a vibration-proof base, and a motor body. The outer frame includes a supporting base. The vibration-proof base is disposed at the supporting base of the outer frame and includes a base body and a vibration-proof ring. The base body includes an upper surface and a side surface. The vibration-proof ring is sleeved around the side surface of the base body. The vibration-proof ring is in contact with the supporting base. The motor body is disposed on the base body. The disclosure can greatly reduce vibration generated in the operation of the motor and reduce noises.

Abstract: A heat dissipating fan includes a housing having a base and a sidewall coupled to the base. The sidewall defines a compartment. The housing further includes an air inlet, an air outlet, and a dust channel. The air inlet, the air outlet, and the dust channel are in communication with the compartment. A stator is coupled to the base of the housing. An impeller is rotatably coupled to the stator. A control element includes a driving circuit electrically connected to the stator and a rotating direction control circuit electrically connected to the driving circuit. In another embodiment, the heat dissipating fan includes a housing having a base and a lateral wall coupled to the base. The lateral wall defines a compartment. The lateral wall includes an air inlet and an air outlet both in communication with the compartment. The air inlet also acts as a dust channel.

Abstract: A blower fan includes a fan frame, a motor, an impeller and a shield. The fan frame includes a base plate portion, a cover plate portion, and a lateral wall portion arranged between the base plate portion and the cover plate portion. The cover plate portion includes an axial air inlet, and the lateral wall portion includes an air outlet. The motor is mounted in the fan frame. The impeller is rotatably coupled with the motor. The shield is coupled with the fan frame and has a face facing the axial air inlet. At least one lateral air inlet is formed between the cover plate portion and the shield. An air-guiding space is formed between the at least one lateral air inlet and the axial air inlet of the cover plate portion.

Abstract: A heat dissipating fan includes a housing having a base and a sidewall coupled to the base. The sidewall defines a compartment. The housing includes an air inlet, an air outlet and a dust channel. The air outlet includes opposite first and second end edges located at a same straight side of the housing. The housing defines a first plane. The impeller includes a hub and several blades. The impeller defines a second plane. The compartment of the housing includes an air outlet section and a pressure accumulating section. The air outlet section is located between the first and second planes. The air outlet is located in the air outlet section. The dust channel extends in an angle with respect to the second plane. An impeller is coupled to the stator that is coupled to the base. A control element includes a driving circuit and a rotating direction control circuit.

Abstract: A rotor structure for a motor includes a shaft, a single magnet and two fixing seats. The single magnet has two opposite end faces. An axial hole has a maximum extent equal to a maximum extent between the two opposite end faces. At least one of the two opposite end faces has a first engaging member. The magnet and each opposite end face have a maximum radial extent. Each fixing seat includes an abutting face having a maximum radial extent the same as the maximum radial extent of the single magnet and of the opposite end faces. One of the abutting faces has a second engaging member. The first engaging member is located at the maximum radial extent at the outer edge of the at least one of the two opposite end faces, or located at the inner edge of the at least one of the two opposite end faces.

Abstract: An electronic product including a heat dissipating device is disclosed. The electronic product includes a casing, a heat conducting board, at least one fan unit and a plurality of electronic elements. The casing includes a compartment. The heat conducting board divides the compartment into first and second chambers. The first chamber includes a plurality of openings. The fan unit(s) includes an air inlet aligned with an opening of the openings, as well as an air outlet aligned with another opening of the openings. The first chamber defines at least one air channel each being in the form of a single air channel including two ends respectively in communication with the opening and the other opening. In one embodiment, the at least one fan unit includes first and second fan units. In another embodiment, the at least one air channel includes first and second air channels in communication with each other.

Abstract: An illuminating ventilator including a fan, a connecting frame, a lamp seat and a cover is provided. The fan has a housing and a fan wheel, wherein the housing has a first coupling portion, an inlet, an outlet and an inner space communicating with said inlet and outlet, and the fan wheel is received in the inner space. The connecting frame couples with the housing and has an opening in alignment with the inlet of the housing, wherein the connecting frame has a second coupling portion coupling with the first coupling portion of the housing. The lamp seat is mounted on one of the connecting frame and housing and has a receiving portion for receiving a lamp. The cover is coupled with the connecting frame and has a plurality of apertures communicating with the opening.