Abstract: A heat dissipation apparatus (10) includes a heat-dissipating fan (14) and a fin assembly (12). The heat-dissipating fan includes a casing (141) and a plurality of blades (142) rotatably received in the casing. The casing defines an air outlet (148) through which an airflow generated by the blades flows. The fin assembly is disposed at the air outlet of the fan, and includes a plurality of first fins (121) and a plurality of second fins (122) disposed between the first fins and the blades of the fan. The second fins are so positioned that outer ends of the second fins are oriented toward a far side of the air outlet while inner ends of the second fins are oriented toward a near side of the air outlet. The outer ends of the second fins are located adjacent to the first fins. An airflow generated by the blades first flows to the near side and then to the far side of the air outlet.

Abstract: A heat dissipation apparatus (100) includes a centrifugal blower (20) and a heat dissipater (10). The centrifugal blower includes a casing (22), a stator accommodated in the casing, and a rotor (24) rotatable disposed around the stator. The casing includes a base wall (224), a sidewall (226) surrounding the base wall and a cover (222) attached to the sidewall. The sidewall defines an air outlet (221) therein. An air channel (223) is formed between blades (242) of the rotor and an inner surface of the sidewall of the casing. The heat dissipater is made of porous material and disposed at the air outlet of the centrifugal blower. The heat dissipater has a tongue portion (12) extending into a part of the air channel.

Abstract: A thermal module (200) includes a centrifugal blower (20) including a housing (21) and a rotor (22) rotatably deposed in the housing, a fin assembly (30) including a plurality of fins (31) disposed at an air outlet (24) of the centrifugal blower and a heat pipe (40) including a condenser section (42) thermally connecting with the fin assembly. The fins of the fin assembly are stacked along a direction parallel to a rotation axis (A) of the rotor; the heat pipe is flattened and forms a bend portion (43) at a free end of the condenser section thereof; the fins of the fin assembly define substantially rectangular-shaped receiving holes (314) therein; the condenser section of the heat pipe is thermally and physically attached to an outmost fin of the fin assembly and the bend portion is received in the receiving holes of the fins of the fin assembly.

Abstract: An electronic assembly (1) includes a top cover (21), a bottom cover (22) and a thermal module (10). The thermal module includes a centrifugal blower (14) and a fin assembly (12). The blower includes a top lid (142) defining a first air inlet (146) therein, a bottom plate (147) defining a second air inlet (150) therein, and a sidewall (148). An air outlet (149) is defined in the blower in front of the sidewall. A first distance (H1) formed between the top cover and the top lid is greater than a second distance (H2) formed between the bottom cover and the bottom plate. A left edge (154) of the second air inlet adjacent to the air outlet offsets a distance from a corresponding left edge (155) of the first air inlet inwardly toward a rotation axis (A) of an impeller (143) of the blower.

Abstract: An electronic assembly includes an enclosure including a top cover and a bottom cover, and a thermal module arranged between the top cover and the bottom cover of the enclosure. The thermal module includes a centrifugal blower and a fin assembly arranged in an air outlet of the centrifugal blower. The centrifugal blower includes a top lid defining a first air inlet therein, a bottom plate defining a second air inlet therein, a sidewall disposed between the top lid and the bottom plate, with the air outlet defined in the sidewall, and a rotor disposed in an inner space formed between the top lid, the bottom plate and the sidewall. The bottom plate is separated by a distance from the bottom cover of the enclosure. The bottom plate defines an indent therein so as to widen the distance.

Abstract: A heat dissipation apparatus (10) includes a heat-dissipating fan (14) and a fin assembly (12). The heat-dissipating fan includes a casing (141) and a plurality of blades (142) rotatably received in the casing. The casing defines an air outlet (148) through which an airflow generated by the blades flows. The air outlet has a front side (148b) and a rear side (148a). The airflow first reaches the front side and then flows towards the rear side. The fin assembly is arrangepd at the air outlet of the fan, and includes a plurality of first fins (121) adjacent to the rear side of the air outlet and a plurality of second fins (122) adjacent to the front side of the air outlet. The first fins are integrally formed with the casing of the fan, whilst the second fins consist of a stack of individually formed fins.

Abstract: A thermal module (100) includes a centrifugal blower (10) including a base plate (142), a top cover (16) and a sidewall (144) disposed between the base plate and the top cover and defining two air outlets (148a, 148b) therein; two fin assemblies (20a, 20b) are disposed at the air outlets of the centrifugal blower; two heat pipes (30, 40) are thermally connected with the fin assemblies and stacked along a height direction of the thermal module, which is substantially perpendicular to the base plate of the centrifugal blower. Each of the heat pipes thermally connects with a corresponding electronic component for transferring heat of the two electronic components to the two fin assemblies to be dissipated to ambient air.

Abstract: A heat spreader (100) includes a metal casing (60) formed by electrodeposition and defining a vapor chamber (40) therein, and a mesh (12b) lining an inner surface of the metal casing. A method for manufacturing the heat spreader includes: providing a core (60a) having a mesh layer (12a) including a plurality of pores and a filling material (14) filled in the pores of the mesh layer and a major space enclosed by the mesh layer; electrodepositing a layer of metal coating (60b) on an outer surface of the core; removing the filling material from the coating layer and the pores of the mesh layer; and filling a working fluid into the coating layer and hermetically sealing the coating layer to thereby obtain the heat spreader with therein a wick structure (12) formed by the mesh layer and the vapor chamber formed by said major space.

Abstract: A thermal module includes a roll cage mounted to an enclosure of an electronic product, a centrifugal blower, and a fin assembly. The centrifugal blower is disposed in the roll cage and includes a housing integrally formed with the roll cage and defining an air outlet therein, a cover attached to the housing to cooperatively define a receiving chamber therebewteen, and a rotor rotatably disposed in the receiving chamber for producing an airflow. The fin assembly is disposed at the air outlet of the blower to perform heat convection with the airflow flowing therethrough.

Abstract: A thermal module (10) includes a chassis (11) of an enclosure of an electronic device, a fin assembly (13) and a centrifugal blower (14) for producing an airflow flowing through the fin assembly. The centrifugal blower includes a housing (141), and the housing is integrally formed with the chassis as a monolithic piece. A U-shaped heat pipe (16) extends through the housing and has a condensing section (161) thermally connecting with the fin assembly and an evaporating section (162) attached to a heat spreader (12) for thermally connecting with a heat generating electronic component.

Abstract: A mounting device for mounting a first element onto a second element includes a plurality of fastening elements. Each of the fastening elements includes a connecting member defining a clasping groove therein, and a guiding portion adjacent to the clasping groove. A ring-shaped clipping member snaps in the clasping groove of the connecting member after moving over the guiding portion to be expanded. A fixing member is coupled to the connecting member for sandwiching the first element and the second element therebetween. A resilient member adapts for being sandwiched between the connecting member and the first element to provide resilient force to urge the first element toward the second element.

Abstract: A heat dissipation device includes a heat sink (10) and a blower (50) for generating an airflow to the heat sink. The blower includes a housing (60) and at least one plate (63a, 63b) extending outwardly from the housing. The housing forms a contacting surface (610, 620) abutting a side of the heat sink. The plate includes an inner surface (630) abutting another side of the heat sink. A groove (69) is defined in a junction of the housing and the plate, and thus the contacting surface of the housing and the inner surface of the plate are planar-shaped to avoid interference between the housing of the blower and the heat sink. The groove has chamfer angles R therein. The housing is made by plastic injection molding or die casting.

Abstract: A heat sink includes a fin unit (10) having a plurality of fins (20) parallel to each other. A flow channel (21) is formed between any of two neighboring fins for an airflow flowing therethough. Three protrusions (26, 27, 28) are arranged on each of the fins and each define a through hole (42) therein. The through hole communicates with two neighboring flow channels of the fin for the airflow flowing therethrough from one of the two neighboring flow channels to the other one of two neighboring flow channels of the fin.

Abstract: A heat sink includes a fin unit (10) and a heat pipe (40) for transferring heat from a heat-generating device to the fin unit. The fin unit includes a plurality of fins (20) parallel to each other. A flow channel (23) is defined between any of two neighboring fins for an airflow flowing therethrough. Each fin defines a through hole (25) having an axis of symmetry which extends along the flowing direction of the airflow. The through hole is for extension of the heat pipe therethrough. A plurality of protrusions (221, 222, 223, 224) extend outwardly from each fin. The protrusions being arranged irregularly around the heat pipe for guiding the airflow flowing to the heat pipe.

Abstract: A heat dissipation apparatus (10) for dissipating heat from a heat-generating electronic component includes a fin assembly (12) and a centrifugal blower (14). The fin assembly includes a plurality of laminar fins (121) thermally connecting with the heat-generating electronic component to absorb heat therefrom. The centrifugal blower provides an airflow flowing through the fin assembly to take heat away therefrom. The centrifugal blower includes a housing (141), a cover (142) disposed on the housing, and a rotor (143) rotatably received in a space formed between the housing and the cover. The fins of the fin assembly are disposed in the housing of the centrifugal blower and stacked together along a direction substantially parallel to a rotation axis (A) of the rotor.

Abstract: A heat dissipation apparatus (10) includes a centrifugal blower (14) defining an air outlet (148) therein; and a fin assembly (12) is disposed at the air outlet of the centrifugal blower. The fin assembly includes an arc portion (121) and a rectangular portion (122) extending from an end of the arc portion. The arc portion includes a plurality of first fins (123), whilst the rectangular portion includes a plurality of second fins (124). The first fins form a plurality of sector-shaped passages (131) therebetween, whilst the second fins form a plurality of rectangular-shaped passages (132) therebetween.

Abstract: A heat dissipation apparatus (10) includes a heat-dissipating fan (14) and a fin assembly (12). The heat-dissipating fan includes a casing (141) and a plurality of blades (142) rotatably received in the casing. The casing defines an air outlet (148) through which an airflow generated by the blades flows. The fin assembly is disposed at the air outlet of the fan, and includes a plurality of first fins (121) and a plurality of second fins (122) disposed between the first fins and the blades of the fan. The second fins are so positioned that outer ends of the second fins are oriented toward a far side of the air outlet while inner ends of the second fins are oriented toward a near side of the air outlet. The outer ends of the second fins are located adjacent to the first fins. An airflow generated by the blades first flows to the near side and then to the far side of the air outlet.

Abstract: A heat dissipation apparatus (10) includes a centrifugal blower (12) and a fin assembly (11) having a plurality of fins (111) disposed at an air outlet (129) of the centrifugal blower. The centrifugal blower includes a first tongue (130) distant from the fin assembly, and a second tongue (131) located between the first tongue and the air outlet of the blower. The second tongue has an end (132) substantially parallel to the fins of the fin assembly to guide an airflow smoothly flowing through the fins.