Abstract: An immersion cooling system includes a sealed tank having a chamber. A circulating layer and a working layer are respectively formed by first and second working liquids filled in the chamber and are contiguous to each other. The boiling point of the second working liquid is higher than that of the first working liquid. The density of the second working liquid is lower than that of the first working liquid. The first and second working liquids do not dissolve in each other. A circulating cooling module includes a circulating pipeline having first and second ports located in the chamber. The circulating pipeline also has a heat absorbing section and a condensation section located between the first and second ports. The heat absorbing section is located in the working layer. The first working liquid flows into the circulating pipeline from the first port and circulates in the circulating pipeline.

Abstract: A slim pump according to the present invention includes a frame, a shaft-coupling portion, a stator, and an impeller. The frame includes an interior separated by a partitioning board into a first chamber and a second chamber. A flow inlet intercommunicates with the first chamber and a flow outlet intercommunicates with the second chamber. The first chamber is intercommunicated with the second chamber via a communication hole of the partitioning board. The shaft-coupling portion is located in the frame. The stator is disposed around the shaft-coupling portion and is located within an axial extent of the first chamber. The stator is axially aligned with the communication hole. The impeller includes a plurality of blades and an inlet opening located in the second chamber. The inlet opening faces and axially aligns with the communication hole.

Abstract: A cooling module includes a first casing, a second casing, and a cooling unit. The first casing includes a lower chamber filled with at least one working fluid. The first casing includes a heat source connecting face. The second casing includes an upper chamber. The cooling unit is located between the first and second casings. The cooling unit includes a plurality of tubes. Each of the plurality of tubes includes an end intercommunicating with the lower chamber and another end intercommunicating with the upper chamber, thereby the lower and upper chambers intercommunicate with each other. A plurality of cooling fin units is coupled to outer peripheries of the plurality of tubes. An angle between each of the plurality of tubes and the heat source connecting face is larger than 0° and smaller than 90°, or each of the plurality of tubes is parallel to the heat source connecting face.

Abstract: An immersion cooling system includes a sealed tank having a chamber. A circulating layer and a working layer are respectively formed by first and second working liquids filled in the chamber and are contiguous to each other. The boiling point of the second working liquid is higher than that of the first working liquid. The density of the second working liquid is lower than that of the first working liquid. The first and second working liquids do not dissolve in each other. A circulating cooling module includes a circulating pipeline having first and second ports located in the chamber. The circulating pipeline also has a heat absorbing section and a condensation section located between the first and second ports. The heat absorbing section is located in the working layer. The first working liquid flows into the circulating pipeline from the first port and circulates in the circulating pipeline.

Abstract: A liquid cooling module includes a housing having first and second chambers filled with a working fluid and intercommunicating with each other via an intercommunicating port and a backflow port. A pump is received in the housing and is aligned with the intercommunicating port. The pump includes a stator driving an impeller to rotate, driving the working fluid to flow from the first chamber through the intercommunicating port, the stator, and the impeller. The working fluid flows through the second chamber back into the first chamber via the backflow port. An electronic device includes a casing, an electric module received in the casing and including a heat generating area, and the liquid cooling module. The liquid cooling module is disposed in the casing and is in thermal connection with the heat generating area via a heat absorbing zone of the housing aligned with the first chamber or the second chamber.

Abstract: A slim pump according to the present invention includes a frame, a shaft-coupling portion, a stator, and an impeller. The frame includes an interior separated by a partitioning board into a first chamber and a second chamber. A flow inlet intercommunicates with the first chamber and a flow outlet intercommunicates with the second chamber. The first chamber is intercommunicated with the second chamber via a communication hole of the partitioning board. The shaft-coupling portion is located in the frame. The stator is disposed around the shaft-coupling portion and is located within an axial extent of the first chamber. The stator is axially aligned with the communication hole. The impeller includes a plurality of blades and an inlet opening located in the second chamber. The inlet opening faces and axially aligns with the communication hole.

Abstract: A ceiling fan includes a support unit, a stator, a rotor and a lamp. The support unit includes an axle and a magnetic disc fit around the axle. The stator is fit around the axle. The rotor has a plurality of blades rotatably mounted to the axle. The lamp includes a housing and a light emitting portion below a magnetic top face of the housing. The magnetic top face of the housing is attracted to the magnetic disc.

Abstract: An inner-rotor motor including a housing, a stator and a rotor avoids damage to the coil unit which often occurs during assembly of the conventional inner-rotor motor. The housing has an inner periphery provided with a plurality of protrusions. The iron core has an outer periphery provided with a plurality of notches. The insulating sleeve includes a plurality of positioning members. In radial directions perpendicular to the shaft, each of the plurality of notches is spaced from a center of a shaft at a minimal distance, and each of the plurality of positioning members is spaced from the center of the shaft at a maximal distance. The maximal distance is smaller than the minimal distance.

Abstract: The present disclosure provides a fluid transportation device. The fluid transportation device includes a casing and a fluid driving member. The casing has a first shell and a second shell divided along an axial direction. The first shell and the second shell are assembled to be opposite to each other. The casing has an accommodating space, a first transporting portion, and a second transporting portion. The first transporting portion and the second transporting portion are in communication with the accommodating space. The fluid driving member has a first fan wheel, a second fan wheel, and a motor. The first fan wheel, the second fan wheel, and the motor are disposed in the accommodating space. The motor is configured to drive the first fan wheel and the second fan wheel to rotate.

Abstract: A ceiling fan includes an axle, a hub, a plurality of blades, a plurality of connecting members, and a plurality of protective sleeves. The hub is rotatably coupled with the axle. The plurality of blades is coupled with the hub. Each of the plurality of blades has a first end and a second end. The first end is coupled with the hub. Each of the plurality of blades has a channel intercommunicating the first end with the second end. The plurality of connecting members is respectively received in the channels of the plurality of blades. Each of the plurality of connecting members has an end coupled with the hub, as well as another end coupled with the second end of the each of the plurality of blades. The plurality of protective sleeves respectively envelopes the plurality of connecting members.

Abstract: A sleeve unit for a motor of a ceiling fan includes a tubular member and a wire isolation member. The tubular member has a lateral slot extending through the tubular member from an inner periphery to an outer periphery of the tubular member. The lateral slot extends from a first axial end face towards a second axial end face of the tubular member along an axis of the tubular member. The wire isolation member includes an isolation plate unit delimiting a wire channel. The wire channel is located in the lateral slot. The isolation plate unit includes a stopper plate which is located in the lateral slot but does not come into a space delimited by the inner periphery of the tubular member.

Abstract: A ceiling fan motor includes a sleeve, a stator unit fixed around the sleeve, a rotor unit rotatably mounted around the sleeve, and an axle detachably mounted to the sleeve. The axle can include an extending section and a suspension section. The extending section extends through and is coupled to the sleeve. The suspension section is exposed outside of the sleeve. The extending section can be contiguous to the suspension section. An outer diameter of the axle at the extending section can be smaller than an outer diameter at the suspension section to form a shoulder. An end of the sleeve can abut the shoulder.

Abstract: A ceiling fan includes a support unit, a stator, a rotor and a lamp. The support unit includes an axle and a magnetic disc fit around the axle. The stator is fit around the axle. The rotor has a plurality of blades rotatably mounted to the axle. The lamp includes a housing and a light emitting portion below a magnetic top face of the housing. The magnetic top face of the housing is attracted to the magnetic disc.

Abstract: An outer-rotor motor and a stator assembly of the motor solve the problems which exist in a conventional outer-rotor motor during the insertion of the bearings into the shaft tubes. The stator assembly of the outer-rotor motor includes a lower bearing seat, an iron core and an upper bearing seat. The lower bearing seat has a shaft tube. The iron core has an engagement channel and is coupled with the lower bearing seat. The upper bearing seat has a fixing portion, and the upper bearing seat abuts against the iron core. The shaft tube extends into the engagement channel at a first end of the engagement channel, and the fixing portion extends into the engagement channel at a second end of the engagement channel. Thus, the iron core is coupled with each of the lower and upper bearing seats.

Abstract: An inner-rotor motor including a housing, a stator and a rotor avoids damage to the coil unit which often occurs during assembly of the conventional inner-rotor motor. The housing has an inner periphery provided with a plurality of protrusions. The iron core has an outer periphery provided with a plurality of notches. The insulating sleeve includes a plurality of positioning members. In radial directions perpendicular to the shaft, each of the plurality of notches is spaced from a center of a shaft at a minimal distance, and each of the plurality of positioning members is spaced from the center of the shaft at a maximal distance. The maximal distance is smaller than the minimal distance.

Abstract: A flow guiding device includes a flow-guiding member and a blade. The flow-guiding member includes a flow-guiding portion, a neck portion and a first coupling portion. The flow-guiding portion is connected to a first end of the neck portion. The first coupling portion is located at a second end of the neck portion. The flow-guiding portion, the neck portion and the first coupling portion are connected in series in a radial direction. The blade includes a second coupling portion at a free end of the blade. The second coupling portion is coupled with the first coupling portion. The flow-guiding portion has a cross-sectional area smaller than or equal to a cross-sectional area of the blade. A cross-sectional area of the neck portion viewed from the radial direction at the first end is smaller than a cross-sectional area of the neck portion viewed from the radial direction at the second end.

Abstract: A ceiling fan includes a motor and a heat-dissipating device. The heat-dissipating device includes a plurality of blades and a plurality of end plates. The motor includes a shaft and a hub. The hub includes a plurality of vents and a plurality of first coupling portions. Each blade is coupled with at least one first coupling portion and includes a first end and a second end. Each blade forms a second coupling portion at the first end thereof. The second coupling portion is coupled with the at least one first coupling portion. Each blade includes a first air channel extending in a radial direction. The first air channel includes first and second ends. The first end of the first air channel is relatively adjacent to the vents than the second end is. Each end plate includes at least one third coupling portion coupled with the second end of the blade.

Abstract: A ceiling fan is designed with enhanced structural strength and prolonged service life. The ceiling fan includes a stator, a loading plate, a rotor and a plurality of blades is disclosed. The stator includes a shaft. The loading plate includes a sleeve and a radial extending portion. The radial extending portion radially extends outwards in radial directions of the shaft. The sleeve receives a bearing coupled with an outer periphery of the shaft. The rotor includes a hub coupled with the loading plate. The plurality of blades is coupled with the radial extending portion.

Abstract: A motor of a ceiling fan includes a support unit, a rotor unit, a first bearing, a supporting bearing and a stator unit. The support unit has a shaft. The rotor unit has a rotational connecting member. The rotational connecting member includes a central hole through which the shaft extends, as well as an inner flange extending inwardly of the central hole. The first bearing includes an inner race fit around the shaft and an outer race connected to an inner periphery of the rotational connecting member. The inner and outer races are spaced from each other in a radial direction perpendicular to the shaft. The supporting bearing includes a fixed race fit around the shaft and a rotational race abutting with the inner flange. The fixed race and the rotational race are spaced from each other in an axial direction. The stator unit is connected to the support unit.

Abstract: The present disclosure provides a three-phase motor stator. The three-phase motor stator includes a stator iron core, a first winding, a second winding, and a third winding. The stator iron core has a ring part and a plurality of pole arms. The total number of the pole arms is a multiple of six and is at least twelve. The pole arms are distinguished as at least two first phase pole arm groups, at least two second phase pole arm groups, and at least two third phase pole arm groups. The first phase pole arm group, the second phase pole arm group, and the third phase pole arm group are arranged at intervals. The first winding, the second winding and the third winding each has a plurality of coils, and the coils are respectively wound around the pole arms of the first phase pole arm group, the second phase pole arm group and the third phase pole arm group.