Abstract: A heat dissipation device includes a conductive plate and a fastener. The fastener includes a fastening element and an elastic element coiled around the fastening element. The fastening element includes a pole portion and a head portion formed at one end of the pole portion. The conductive plate defines a supporting portion through the conductive plate. The supporting portion defines a hole, an upper groove and a lower groove communicating with one another. The upper groove and the lower groove are coaxial with each other. A flange protrudes from a circumference of the pole portion. The pole portion enters the upper groove. The flange abuts a bottom of the conductive plate and is received in the lower groove. The elastic element elastically abuts the top of the conductive plate.

Abstract: A heat dissipation device includes a heat pipe and a fin set. The fin set includes a plurality of fins. Each of the fins includes a body, a first flange vertically extending from a top side of the body, and a second flange vertically extending from a bottom side of the body. The first flange has a first edge abutting a front neighboring fin and a second edge spaced to the first edge to define a slit. The first flange forms an extending portion extending from the second edge to define a gap between the extending portion and the body of the front neighboring fin. Each of the extending portions is soldered to the body of the front neighboring fin by solder filled in the gap between the extending portion and the body of the front neighboring fin from the slit.

Abstract: An electronic device includes a circuit board, a heat generating component positioned on the circuit board, a casing receiving the circuit board and the heat generating component, and a working medium. The working medium is contained in the casing and covers the heat generating component. The working medium is electrically insulated and phase-change material, and represents solid state at normal temperature.

Abstract: An exemplary heat dissipation fan includes a rotor and a stator. The rotor includes a hub, a central shaft extending down from a top end of the hub, the shaft having a free end far from the top end of the hub. A magnetic element attached to an inner periphery of the hub. The stator includes a stator core consisting layers of yokes, two insulation frames mounted at two opposite ends of the stator core and a coil wound around the insulation frames. An outer surface of the stator faces and is spaced from an inner surface of the magnetic element of the rotor with a clearance defined therebetween. A width of a bottom end of the clearance adjacent to the free end of the shaft being smaller than a width of a top end of the clearance.

Abstract: An exemplary fixing device is for mounting a heat conduction plate to two electronic components. The fixing device includes a first mounting clip and a second mounting clip connected to the first mounting clip through arms. The first mounting clip includes a pressing plate pressing a first contacting portion of the heat conduction plate against one electronic component. The second mounting clip includes two pressing tabs pressing a second contacting portion of the heat conduction plate against the other electronic component. The pressing plate and the two pressing tabs are made of a single monolithic piece of material.

Abstract: A heat pipe includes a sealed casing, a sealed vesicle received in the sealed casing, and a working fluid contained in the sealed vesicle. The sealed casing includes an evaporating section, a condensing section, and a connecting section connecting the evaporating section and the condensing section. The sealed vesicle is made of soft metal. The sealed vesicle comprising a heat absorbing portion attached to the evaporating section, a heat dissipating portion attached to the condensing section, and an uneven portion connecting the heat absorbing portion and the condensing section.

Abstract: A heat dissipation device includes a plurality of fins connected to each other and two heat pipes extending through the fins. Each fin includes a plate, an upper flange extending from a top side of the plate, a lower flange extending from a bottom side of the plate and an inner flange extending from an inner periphery of a groove defined in the plate. The fins include first fins and second fins having lengths larger than that of the first fins. The two heat pipes include a wide heat pipe and a narrow heat pipe. The wide heat pipe extends through the grooves and contacts the inner flanges of the first fins and the second fins. The narrow heat pipe extends through the grooves and contacts the inner flanges of the second fins.

Abstract: A phase change type heat dissipating device for dissipating heat from a heat generating component includes a casing, a working medium received in the casing and a heat pipe connected to the casing. The heat pipe includes an evaporator section and a condenser section. The working medium is electrically insulated and phase change material, and represents solid state at normal temperature. The heat generating component is received in the casing, and the evaporator section of the heat pipe extends into the casing and contacts the working medium.

Abstract: A heat dissipation module includes a fan, a heat sink and a heat pipe. The fan defines an air outlet at one side thereof. The duct extends from the fan and away from the air outlet. The duct includes a first open end communicating with the fan and a second open end adjacent to a heat generating component. The located is located at the air outlet of the fan. The heat pipe thermally interconnects the heat sink and the heat generating component. The duct guides a part of airflow generated by the fan to the heat generating component during operation of the fan.

Abstract: A charging battery unit includes a receiving unit and a battery. The receiving unit includes a fixing member and a coil fixed on the fixing member. The coil receives external electromagnetic signals to generate induction currents. The battery is electrically connected to the coil and receives the induction currents generated by the coil. The present disclosure also relates an electronic device with the charging battery unit.

Abstract: A bearing device includes a body, a circular cover, and a through hole commonly defined through both the body and the cover. The body is an injection molded piece made from metal powder and molten binder. The cover is an injection molded piece made from metal powder and molten binder. Two passages are defined between the body and the cover, and each passage communicates the through hole with an exterior of the bearing device, whereby lubricant can flow from the through hole to the passages. A bearing assembly having the bearing device is also provided, and a method of manufacturing the bearing device is further provided.

Abstract: A heat dissipation device includes a base and a fastener. The fastener includes a clasping portion, an elastic member placed and a first gasket. The clasping portion includes a fixing part, an operating part, and a connecting part connected to the fixing part and the operating part. The connecting part defines a slip groove. The first gasket interferingly fits the slip groove of the clasping portion. The elastic member is placed around the connecting part of the clasping portion and is arranged between the operation part and the first gasket. The first gasket abuts the base after the fixing part extending through the base.

Abstract: The present disclose relates to a wireless charging device for charging a portable electronic device. The wireless charging device includes a charging panel, a transmitting unit and a heat dissipation unit. The charging panel includes a first surface and a second surface opposite to the first surface, the first surface supports the portable electronic device, and the portable electronic device includes a top surface away from the charging panel. The transmitting unit includes a coil for generating electromagnetic signals for charging the portable electronic device. The heat dissipation unit includes a base and a pressing portion connected to the base. The base thermally contacts the second surface of the charging panel, and the pressing portion thermally contacts the top surface of the portable electronic device.

Abstract: A method for manufacturing a casing of a heat pipe includes steps: providing a hollow mold; injecting a feedstock of powder and molten binder into the mold under pressure, thus forming a desired body of a first shell and a desired body of a second shell; separating the binder from the body of the first shell and the body of the second; sintering the body of the first shell and the body of the second shell, thereby forming the first shell and the second shell; and mounting the second shell on the first shell and sintering the first shell and the second shell together, thereby forming the casing of the heat pipe.

Abstract: The present disclose relates to a wireless charging device for charging a portable electronic device. The wireless charging device includes a charging panel, a transmitting unit and at least one adsorbent unit. The charging panel includes a first surface and a second surface opposite to the first surface. The first surface supports the portable electronic device. The charging panel defines a through hole through the first surface. The transmitting unit includes a coil for generating electromagnetic signals. The adsorbent unit extends through the through hole of the charging panel and adsorbs the portable electronic device.

Abstract: The present disclose relates to a charging device for charging portable electronic devices. The charging device includes a transmitting unit, a receiving unit and an output port. The transmitting unit includes a first coil for generating electromagnetic signals for charging the portable electronic device. The receiving unit includes a charging panel and at least one second coil arranged on the charging panel. The at least one second coil receives the electromagnetic signals generated by the transmitting unit to generate induction currents. The output port is electrically connected to the receiving unit for outputting the induction currents. The portable electronic device is selectively electrically connected to the charging panel or the output port for charging.

Abstract: A heat dissipation device includes a base and a fastener. The fastener includes a neck portion, a head portion formed at one end of the neck portion, and an engaging portion formed at another opposite end of the neck portion. The base defines a receiving portion through the base. The receiving portion includes an inserting hole and a mounting hole communicating with the inserting hole. A flange extends upwardly from the base toward the mounting hole. The engaging portion extends through the inserting hole from a top of the base to make the neck portion enter the inserting hole. The neck portion is then crushed into the mounting hole from the inserting hole. A top face of the head portion abuts the flange, a bottom face of the head portion abuts the base.

Abstract: A metallic housing of an electronic device, includes a metallic outer frame and an inner structural member. The metallic outer frame comprises a plurality of latching portions protruding, and a plurality of latching grooves. The inner structural member is made from metal-alloy and embedded in the outer frame by die-casting. The inner structural member comprises a peripheral sidewall, a plurality of engaging portions, and a plurality of matching portions. The plurality of engaging portions and the plurality of matching portions protrude from the peripheral sidewall outwardly. Each latching portion comprises at least two parallel latching ribs, and forms a receiving groove between two adjacent latching ribs. The plurality of engaging portions is respectively embedded in the plurality of receiving grooves, and the plurality of matching portions is respectively embedded in the plurality of latching grooves. The present disclosure further provides a manufacturing method for the metallic housing.

Abstract: A metallic housing of an electronic device includes a metallic outer case and an inner structural member embedded in the inner side of the outer case by die-casting. The outer case includes a bottom plate and a peripheral sidewall. The bottom plate is equipped with a number of latching hooks. The latching hooks are spaced from each other. The peripheral sidewall defines a receiving groove at an inner side along the peripheral sidewall. The inner structural member is made of metal alloy, and includes a base plate and a frame sidewall surrounding a periphery of the base plate, a protruding flange protruding from the frame sidewall, and a plurality of combining grooves on the base plate. The protruding flange is received in the receiving grooves, and the number of latching hooks is respectively received in the number of combining grooves.

Abstract: A fan assembly includes a first fan and a second fan stacked together. Each of the first fan and the second fan includes a frame and a supporting base received in the frame. Several extending portions extend from a bottom of the frame of the first fan. A buckling block is formed on an inner side face of each of the extending portions. Several receiving portions are formed at a top of the frame of the second fan corresponding to the extending portions, respectively. A positioning groove is defined in each of the receiving portions. The buckling blocks are engagingly received in the positioning grooves.