Abstract: A clip for heat sink comprises an inverted T-shaped retaining member and an L-shaped operation member pivotably connected to the retaining member. The retaining member has a detaining portion defining several openings and a connecting portion extending from the detaining portion. The operation member has a press portion for bearing against the heat sink and a holding portion for being grasped extending from the press portion. The operation member is capable of being driven to rotate from a first position to a second position to cause the detaining portion to interlock with a retention module provided on a printed circuit board, thereby securing the heat sink to an electronic element package on the printed circuit board.

Abstract: A heat dissipation assembly includes a heat sink (10), a fan (70), and a mounting device for attaching the fan to the heat sink. The mounting device includes four clips (30), and four shafts (50) pivotably connecting the clips to the heat sink. Each clip includes a main body (31), a top pressing portion (39), and a bottom mounting portion (43). A tab (45) is upwardly formed from a center of the mounting portion. Two parallel connecting portions (33) extend outwardily from two side edges of the main body respectively. The tabs of the mounting portions of the clips abut against the fan in corresponding through holes (72) thereof. The pressing pardons of the clips press an upper face of the fan at corresponding through holes thereof. Thus the fan is securely mounted on the heat sink between the pressing portion and the mounting portion of each of the clips.

Abstract: A liquid cooling system includes a container (10) defining communicable first and second chambers (125a, 125b) therein, a pump (15) mounted on the container and having an entrance port (152) in flow communication with the second chamber, and an exit port (150) in flow communication with the first chamber so that the pump, the first chamber, and the second chamber together form a loop for circulation of coolant, and a heat dissipation unit (2) located at the loop for cooling the coolant.

Abstract: A liquid cooling device includes a casing (10) having a container (14) for accommodating liquid therein, a liquid inlet port (18) in communication with the container, and a diversion member (20, 20?) located in the casing, for leading liquid from the liquid inlet port to a bottom of the container.

Abstract: A heat sink assembly includes a heat sink (30), a processing unit (70), a socket (40) and a clip (1). The processing unit is mounted on the socket. Two catches (42) are provided at opposite sides of the socket. The clip includes a operating member (10) and a pressing member (20). The operating member includes a main body (14) and a handle (12). Two resilient portions (142) are formed from opposite sides of the main body. A first latching leg (146) with a fixing hole (144) extends downwardly from the main body. The pressing member includes two opposite pressing portions (24), and opposite first and second beams (22,26). A second latching leg (224) with a fixing hole (222) extends downwardly from the first beam. Two cutouts (262) are defined at a side of the pressing member, the resilient portions snappingly engaging with the pressing member in the cutouts.

Abstract: A heat dissipation device (30) includes a base (50) and a plurality of individual fin plates (40) standing side by side on the base. Each fin plate includes a main body (41), a flange (43) and a pair of tabs (45) distal from the flange. Each tab defines a split (46) in a middle thereof where it adjoins the corresponding main body and thereby forms a tongue (47) surrounded on three sides by the split. The tongue is coplanar with the main body while the flange and the tabs are perpendicular to the main body. A slot (49) is defined in a distal end of each tab. The flanges of the fin plates are in alignment with each other and attached on the base. The slots of each fin plate receive the tongues of an adjoining preceding fin plate.

Abstract: A combination of fan and heat sink includes a fan (10), a heat sink (20) and four fixtures (30). The fan defines four holes (12) in four comers thereof respectively. The heat sink has a plurality of parallel fins (24). Each fixture includes a post (32) inserted into the corresponding hole of the fan, a pressing portion (36) pressing the fan toward the heat sink and a locking leg (34) interlocking with outmost fins.

Abstract: A heat sink mounting assembly includes a socket (90) having first and second side, a retaining clip (10) cooperating with the socket to sandwich a heat sink (70) therebetween. A pair of ears (92) is formed at the first and second sides of the socket. The retaining clip includes a pressing body (11) having first and second ends, a first leg (14) extending from the first end thereof and engaging with one ear, a spring (50) attached to the pressing body, and a second leg (30) attached to the second end thereof and biased by the spring. When the second leg is pressed down toward the socket, the spring biases the second leg upwardly, so that the second leg is resiliently engaged with the other ear. Thus, the heat sink is secured between the socket and the retaining clip.

Abstract: A heat dissipation device (10) includes a base (12) and a plurality of fins (14). Each fin includes a heat dissipating post (14) and a heat conducting tab (18). Each heat dissipating post is made by rolling up a metallic slice and thereby defines a through hole therein. Each heat conducting tab includes an engaging part (18a) attached on the base and a medial part (18b) extending from the corresponding heat dissipating post. The medial parts thermally connect the engaging parts and the heat dissipating posts, and mechanically separate the engaging parts from the heat dissipating posts; thereby the through holes are allowed to be exposed at opposite ends of the heat dissipating posts.

Abstract: A heat dissipation device includes a base (10), a tube (20), a fin member, a fan (50) and a heat pipe (60). The tube, the fin member and the heat pipe are all in contact with the base, for absorbing heat away from the base. The fin member and the fan are juxtaposed with each other along an axial direction of the tube. The fan blows air toward the fin member and enhances airflow within the heat dissipation device. The tube prevents the air from the fan from being dispersed, so that complete uniform airflow through the heat dissipation is maintained.

Abstract: A heat dissipation device for dissipating heat from an electronic package (80) includes a heat sink (10) and a fan (30). The heat sink includes a base (12) and a plurality of fins (14). The base has a first surface (122) in thermal contact with the electronic package and a pair of sloped heat dissipation surfaces (126). The fins are perpendicularly attached on the heat dissipation surfaces. The fan is supported on the heat sink. During operation of the heat dissipation device, the cooling air is drawn into the heat sink by the fan and exits the heat sink along the heat dissipation surfaces.

Abstract: A heat sink assembly (20) includes a number of parallel first fins (40) and a number of parallel second fins (60) each having a main body (44, 64). A number of latch slots (46) is defined in the main body of each first fin. A number of latches (66) extends from the main body of each second fin in opposite directions. The first fins and the second fins are assembled together in interleaved fashion, so that the latches of each second fin engage in the latch slots of two adjacent first fins respectively.

Abstract: A heat dissipation device includes a plurality of fin plates (1) and a pair of heat pipes (30). Each fin plate includes a first plate (10) and a second plate (20). The first plate forms a first fastener (15) at an edge thereof and a pair of cutouts (17) at opposite sides of the fastener. A pair of tabs (152) is formed at opposite sides of the first fastener and parallel to the first plate. The second plate forms a second fastener (25) at an edge thereof. The second fastener includes a pair of double-layer latches (252) received in the cutouts of the first plate and interengaged with the tabs of the first plate. The first fastener is located between the pair of latches. The heat pipes are inserted through the first and second plates between said edges. The first and second plates then abut each other at said edges.

Abstract: A heat dissipation device (30) includes a base (50) and a plurality of individual fin plates (40) standing side by side on the base. Each fin plate includes a main body (41), a flange (43) and a pair of tabs (45) distal from the flange. Each tab defines a split (46) in a middle thereof where it adjoins the corresponding main body and thereby forms a tongue (47) surrounded on three sides by the split. The tongue is coplanar with the main body while the flange and the tabs are perpendicular to the main body. A slot (49) is defined in a distal end of each tab. The flanges of the fin plates are in alignment with each other and attached on the base. The slots of each fin plate receive the tongues of an adjoining preceding fin plate.

Abstract: A heat sink assembly includes a fan (10), a heat sink (20) and a mounting device (50). The heat sink includes a base (22) and plural of fins (24) extending upwardly from the base. Plural of claws (26) are formed in a top end of one fin which extends from a side of the base. A locking hole (30) is defined in another fin which extends from an opposite side of the base. A vent (52) is defined in the center of the mounting device, and four fixing holes (54) are defined in four comers of the mounting device for engaging with four screws (14) which extend through the fan to the mounting device. Plural of pivots (56) are provided in a first side of the mounting device for pivotably received in the claws of the heat sink thereby pivotably attaching the mounting device to the heat sink. A hook (62) is provided in an opposite side of the mounting device for engaging with the locking hole of the heat sink thereby fixing the mounting device to the heat sink.

Abstract: A heat sink (1) includes a heat-conductive base (20), and a plurality of combined fins (10) uprightly attached onto the base. Each fin includes a main body (12), and a flange (14) extending perpendicularly from the main body. A pair of locking plates (16) is bent downwardly from an upper edge of the main body. A pair of blocking tabs (18) is stamped from the main body, corresponding to a middle portion of each locking plate. A receiving space is defined between said pair of blocking tabs and the main body. The locking plates and the blocking tabs are respectively located at opposite main faces of the main body. The locking plates of each fin are inserted in the receiving spaces of an adjacent fin, whereby the fins are firmly combined together.

Abstract: A fan holder (10) of the present invention includes a rectangular base (11). The base includes a first surface (12) and a second surface (13) opposite to the first surface and has an opening (14) defined in a center thereof Two clamping arms (16) extend perpendicularly from opposite side edges of the first surface of the base, the arms having hooks (17) formed inwardly at ends thereof for sandwiching the fan (20) therebetween. Two clamping tabs (18) extend perpendicularly from opposite side edges of the second surface of the base in directions away from the clamping arms. Each clamping tab has a hook (19) formed outwardly at an end thereof The fan holder is firmly secured to the heat sink (30), with the clamping tabs supported on two protrusions (35) formed at two fins (34) of the heat sink and the hooks of the tabs engaged with the heat sink.

Abstract: A cooling device utilizing liquid coolant includes a tank (10) and a cover (30) hermetically sealing the tank. The tank includes a base (11) and two pairs of sidewalls (122). A plurality of parallel inner walls (132) is formed in the tank thereby defining a channel for passage of the liquid coolant. A plurality of pins (15) is disposed in the channel. An inlet (102) and an outlet (104) are disposed at opposite ends of the channel for entry and exiting of the liquid coolant into and from the tank.

Abstract: A heat sink mounting assembly includes a retention module (80) accommodating a heat sink (50) therein, and two retaining units (10) cooperating with the retention module to secure the heat sink therein. Each retaining unit includes a retaining clip (20) engaging with the retention module, and a pressing body (40) attached to the retaining clip. The pressing body includes a pressing portion (42) urging against the heat sink, and two releasing arms (46) each having a spring finger (48) snappingly engaging with the retaining clip when the pressing body is pressed toward the heat sink. When the releasing arms are squeezed, the spring fingers disengage from the retaining clip, and the pressing portion is released from the heat sink.

Abstract: A mounting device, for mounting a plurality of fans (50) to a server chassis (70), includes a tray (20), a plurality of brackets (30), and a plurality of fasteners (40). The tray includes a plurality of pairs of mounting sections each pair fixed with a corresponding bracket. Each bracket is U-shaped and includes a pair of side plates (32) for sandwiching a corresponding fan therebetween. Each bracket defines a pair of coaxial locking holes (35′) in the side plates. Each fastener includes a pair of locking ends (42) received in the locking holes of a corresponding bracket to thereby sandwich the corresponding fan in the bracket. Each side plate defines an outlet (34) having a contour corresponding to a contour of an outlet of a corresponding fan, and each mounting section of the tray has a contour corresponding to a contour of the outlet of a corresponding fan.