Abstract: A pump comprises a base (10), a case (20) fixed on the base, a rotor (30) received between the case and the base, and an inner stator (40) and an outer stator (50) accommodated in the case. The rotor is sandwiched between the inner stator and the outer stator. When the inner stator and the outer stator are energized to generate respective magnetic fields, the rotor is driven to rotate by turning torques that are produced by mutual actions between the rotor and the magnetic fields. Thus, the interior and exterior magnetic fields of the rotor can be utilized sufficiently, and an operation efficiency of the pump is enhanced accordingly.

Abstract: A heat sink adapter for cooling an electronic component includes a lower plate, an upper plate, an upper fin set and a lower fin set respectively fixed on the upper plate and the lower plate, and a plurality of heat pipes sandwiched between the upper plate and the lower plate. The lower plate forms a plurality of bumps projecting upwardly therefrom, which sandwich the heat pipes therebetween to position the heat pipes on the lower plate, wherein some of the heat pipes are bent and sandwiched between two bumps at each bended position, and some of the heat pipes are straight and located near one bump at each end portion thereof.

Abstract: A heat sink includes a tank and a plate covering on the tank and hermetically engaging with the tank. The tank includes a base for absorbing heat from heat-generating members and a first wick layer formed at an inner face of base. The plate has a second wick layer formed at an inner face thereof. A chamber is defined between the tank and the plate and contains working fluid therein. An artery mesh is located in the chamber between the tank and the plate. The artery mesh is in porosity communication with the first wick layer and the second wick layer.

Abstract: An LED lamp includes a frame, a heat sink, an LED module and a reflector. The frame comprises a base, an upper ring spaced from the base and a plurality of stanchions connecting the upper ring and the base together. The heat sink is coupled to a top of the upper ring and covers a whole of a top of the frame. The LED module is attached to a bottom surface of the heat sink and surrounded by the upper ring. The reflector is placed on the base and has an outer surface facing and slantwise to the LED module. The reflector has a configuration like an inverted funnel. The outer surface of the reflector has multiple steps formed thereon.

Abstract: A heat sink adapter for cooling an electronic component includes a lower plate, an upper plate fixed on the lower plate, and a plurality of heat pipes sandwiched between the lower plate and the upper plate. The lower plate includes a panel, a pair of sidewalls extending upwardly from two opposite sides of the panel, and a plurality of flanges extending upwardly from the sidewalls, respectively. The upper plate defines a plurality of cutouts corresponding to the flanges. The flanges fit into the cutouts to position the upper plate on the lower plate, whereby the lower plate and the upper plate are mechanically connected together.

Abstract: A heat sink includes a tank and a plate covering on the tank and hermetically engaging with the tank. The tank includes a base for absorbing heat from heat-generating members and a sintered wick layer formed at an inner face of base. The plate has a meshed wick layer formed at an inner face thereof. A chamber is defined between the tank and the plate and contains working fluid therein.

Abstract: A heat sink adapter for cooling an electronic component includes a lower plate, an upper plate, an upper fin set and a lower fin set respectively fixed on the upper plate and the lower plate, and a plurality of heat pipes sandwiched between the upper plate and the lower plate. The lower plate includes a panel contacting the heat pipes, two sidewalls extending upwardly from the panel and separated from the heat pipes, and two flanges extending oppositely from the two sidewalls and soldered on the upper plate. The heat pipes are juxtaposed with each other at a central position thereof, and partially spaced from each other at two opposite end positions thereof.

Abstract: A pump includes a base (10), a case (20) fixed on the base, a stator (30) embedded into the case, a rotor unit (40) sandwiched between the base and the case. The rotor unit includes an inner rotor (42) surrounded by the stator and an outer rotor (44) surrounding the stator. Magnetic fields produced by the stator have interior parts interacting with the inner rotor, and exterior parts interlinking with the outer rotor. Therefore, the magnetic fields are able to be utilized sufficiently to drive the rotor unit to have a high speed rotation, and an operation efficiency of the pump is enhanced accordingly.

Abstract: An LED lamp includes a top cover, a heat sink, and a conducting member, a plurality of light bars and a light cover. The top cover has a plate and a head extending upwardly from a centre of the plate. The heat sink has a conducting tube coupled to the plate of the top cover and a plurality of fins extending outwardly from the conducting tube. The conducting member is received in and thermally contacts with the conducting tube, and has a top surface attached to the plate and an inner surface on which the plurality of light bars are mounted. The inner surface is oriented downwardly and concaved from a bottom of the conducting member. Each light bar has a printed circuit board and a plurality of LEDs thereon.

Abstract: An LED lamp includes a housing having a base, a frame at a top end of the housing and a plurality of stanchions interconnecting the base and the frame. A heat sink is mounted on the frame. An LED module is received in the housing and attached on a bottom surface of the heat sink. A printed circuit board is arranged on the base of the housing, and a reflector is located on the printed circuit board. A transparent envelope is received in the housing and covers windows defined between the stanchions. A light generated by the LED module is reflected by the reflector to transmit outwardly through the envelope to illuminate a surrounding environment.

Abstract: A heat pipe includes an outer pipe (10), an inner pipe (20), and a hermetic cap (30). The outer pipe has an evaporating end (12) and a condensing end (14). The evaporating end is integrally sealed and receives working fluid. The inner pipe includes an open top and an open bottom. A very narrow gap (40) is defined between the inner pipe and the outer pipe. A plurality of granules is put into the gap to form a porous wicking structure. When the evaporating end is heated by an external heat source, the working fluid is vaporized and flows up along the inner pipe to the condensing end. The working fluid condenses at the condensing end, and flows back down to the evaporating end through the gap. Because the gap is very narrow, surface tension of the working fluid and capillary action of the outer and inner pipes is enhanced.

Abstract: An LED module includes a housing component, a frame holding an LED thereon and covered by the housing component, a fastener located in and secured to the housing component, a heat spreader located in the fastener and secured to the fastener and a heat transfer member having a heat-dissipating unit remote from the LED and a heat pipe thermally connecting with the heat spreader, the LED and the heat-dissipating unit. The housing component tightly presses the frame on the fastener to make a close contact between the heat pipe and the frame. The heat pipe transfers heat from the LED to the heat spreader and the heat-dissipating unit. The heat spreader and the heat-dissipating unit each have a large heat-dissipating surface, whereby the heat generated by the LED can be quickly dissipated by the heat spreader and the heat-dissipating unit.

Abstract: An LED unit (10) includes an LED (20) and a lens (30) disposed on the LED. The lens includes a square body (32) and a frustum-shaped body (34) formed downwardly from the square body, wherein a tapered side face (342) of the frustum-shaped body is coated with a reflective film. The LED includes a lens (26) that has a planar top face (28) directly contacting with a planar, circular bottom face (340) of the frustum-shaped body of the lens; thus light emitted from an LED chip (23) in the LED can pass through the lens of the LED and the lens without a total internal reflection occurring at an interface between the lens of the LED and the lens. Accordingly, a high bright light is obtained since nearly all of the light can be transmitted out of the LED unit.

Abstract: A liquid-cooling heat sink includes a base (10), a heat exchanger (30), a housing (20), an inlet (26) and an outlet (27). The heat exchanger (30) has a hollow (33) formed therein, and is thermally coupled to the base (10). The housing (20) has a chamber (24) formed therein, and is placed over the base (10). The chamber (24) is separated by the heat exchanger (30) into a first sub-chamber (241) and a second sub-chamber (242). The first sub-chamber (241) is in fluid communication with the second sub-chamber (242) through a plurality of microchannels (32) radially formed within the heat exchanger (30). The inlet (26) is fluidly connected to the first sub-chamber (241) so as to impinge liquid coolant to a top surface of the base (10).

Abstract: An LED lamp includes a heat sink, a triangular-shaped ridge positioned on the heat sink and an LED module mounted on the ridge. The heat sink includes a base and a plurality of first and second fins respectively extending from a first and a second surface of the base, with a plurality of channels defined between the first and second fins. The ridge is positioned on the second surface of the base. The ridge has a lateral surface which has a height decreasing from a middle to a lateral side of the ridge and decreasing from a rear end to a front end of the ridge. The LED module is mounted on the lateral surface of the ridge.

Abstract: An LED lamp includes a heat sink, a plurality of vapor chambers mounted on the heat sink and an LED module mounted on the vapor chambers. The heat sink includes a base, a plurality of fins extending from a first surface of the base and a triangular ridge formed on a second surface opposite to the first surface of the base. The vapor chambers are mounted on the ridge of the base. The LEDs over two slopes of the ridge are oriented slantwise outwardly, thereby increasing an irradiation angle and area of the LED lamp.

Abstract: An LED lamp includes a hollow, prism-shaped heat sink (30), a plurality of LED modules (20) attached on sidewalls (320) of the heat sink, a cover (40) mounted on a top of the heat sink, a lampshade (10) secured to a bottom of the heat sink, and a fan (50) fixed on the top of the heat sink and through the cover. A plurality of fins (340) extends inwardly from inner faces of the heat sink to cooperatively define two crossed slots in the heat sink. When the fan is in operation, an airflow produced by the fan flows through the fins from the top through the bottom of the heat sink, thereby dissipating heat absorbed by the heat sink from the LED modules rapidly and efficiently.

Abstract: A heat dissipation device includes a heat sink and an LED module attached to the heat sink. The heat sink includes a base and a plurality of fins mounted on the base. A plurality of channels is defined between the fins of the heat sink and slits are defined in two opposite side edges of the base. The slits extend through the base and corresponding fins and cross with corresponding channels. A plurality of grooves is defined in the fins opposite to the LED module. Each of the grooves interconnects corresponding two aligned slits.

Abstract: An LED lamp includes a plurality of LED modules, a cone-shaped heat absorbing member, a heat sink and an envelope. The heat absorbing member comprises a plurality of heat absorbing portions. Each of the heat absorbing portions has a configuration like a triangular pyramid and comprises a sector base and an inclined surface extending from an edge of the sector base to a single apex. Each of the LED modules is attached on a corresponding inclined surface. The heat sink thermally connects with the heat absorbing member. The envelope is mounted below the heat sink and engages with the heat sink to enclose the heat absorbing member and the LED modules therein. Heat generated by the LED modules is first absorbed by the heat absorbing member and then dissipated to ambient air through the heat sink.

Abstract: A locking device (100) used for securing a heat sink (10) to a heat-generating component in accordance with an embodiment includes a pair of retainers (20). The locking device cooperates with a retention frame (30) to secure the heat sink to the heat-generating component. Each retainer (20) includes a handle (22) and a locking leg (24). The handle is pivotably mounted to fins of the heat sink via a pivot (225). The locking leg is made from a unitary sheet member and is connected to the handle at a location spaced apart from the pivot via which the handle is mounted to the heat sink. When the handle is brought to pivot about the pivot, the locking leg is driven to move in a direction to engage with the retention frame whereby the heat sink is firmly secured to the heat-generating component.