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Jing Zhang, Shenzhen City CN

Jing Zhang, Shenzhen City CN

Patent application numberDescriptionPublished
20090257197HEAT SINK ASSEMBLY - A heat sink assembly includes a first heat sink, a second heat sink, and a wire clip connecting the first and second heat sinks together. Each of the first and second heat sinks includes a base and a plurality of connecting members extending upwardly from the base. The wire clip includes a pivot portion and a pair of pressing portions extending from opposite ends of the pivot portion towards each other. The connecting members of the first and second heat sinks cooperatively clasp the pivot portion of the wire clip. The pressing members of the wire clip resiliently abut against the connecting members of the first and second heat sinks and push the connecting members of the first and second heat sink outwardly away from each other. The bases of the first and second heat sinks clamp an add-on card therebetween.10-15-2009
20090268408HEAT SINK ASSEMBLY - A heat sink assembly for an add-on card includes a heat sink and a clip received in the heat sink. The heat sink includes a supporting plate and a first and a second heat absorbing plates extending downwardly from the supporting plate. The first and second heat absorbing plates sandwich first and second heat conductive plates and the add-on card therebetween. The supporting plate is located over and spaced from the add-on card. The clip includes a resisting member, first and second engaging members and first and second pressing members. The resisting member is received in the heat sink and abuts upwardly against the supporting plate of the heat sink. The first and second engaging members engage with the first and second heat absorbing plates, respectively. The pressing members abut downwardly against a clasp clasping the conductive plates and the add-on card together.10-29-2009
20090321048HEAT DISSIPATION ASSEMBLY - A heat dissipation assembly has a containment apparatus preventing unwanted migration of a thermal interface material to surrounding areas on a bottom surface of a heat sink. The heat sink includes a base and a plurality of fins extending from the base. The base defines two elongated grooves at two opposite lateral sides thereof, respectively. The containment apparatus includes a plate located below the thermal interface material and an annular frame extending upwardly from edges of the plate and attached to a periphery of the base of the heat sink. The frame defines two inserting ribs projecting inwardly from inner walls thereof and correspondingly inserting into the grooves of the base.12-31-2009
20090323289HEAT SINK ASSEMBLY - An electronic assembly includes a printed circuit board mounted with an electronic component, a heat sink, and a clip securing the heat sink on the printed circuit board to enable the heat sink to have an intimate contact with the electronic component. The printed circuit board forms two engaging portions each defining a receiving hole therein. The heat sink includes a base and a plurality of fins. The clip includes a pressing member pressing the heat sink to the electronic component, two V-shaped operating members extending slantwise from ends of the pressing member, and two clasps extending outwardly from ends of the operating members. Height of each of the clasps is larger than that of each of the receiving holes of the engaging portions. The clasps of the clip lock with the engaging portions by manipulating the operating members.12-31-2009
20100002396HEAT SINK ASSEMBLY HAVING A CLIP - A heat sink assembly includes a heat sink and a clip assembly. The clip assembly includes a clip and a pair of movable fasteners pivotally connected to the clip. The clip includes a main body, two pressing portions extending from two opposite ends of the main body and two locking arms extending oppositely from the two pressing portions, respectively. The movable fasteners each include a main body, a pair of receiving portions curved upwardly from the main body and receiving a corresponding locking arm therein and a hook extending downwardly from the main body and engaging with a clasp on a printed circuit board. A distance from each of the hooks of the movable fasteners to a corresponding clasp can be adjustable via rotation of the movable fasteners around the locking arms of the clip.01-07-2010
20100053868HEAT DISSIPATION DEVICE - A heat dissipation device is provided for being mounted on a computer enclosure to seal an inside of the enclosure from an outside of the enclosure. The heat dissipation device comprises a housing, a plurality of fins received in the housing, and two fans respectively fixed on a top and a bottom of the housing. The plurality of fins divides an inner space of the housing into two separate chambers, wherein a lower chamber communicates with the interior of the enclosure, and an upper chamber communicates with the exterior of the enclosure. A lower fan forces airflow through the lower chamber to take heat in the enclosure to the fins. An upper fan forces airflow through the upper chamber to carry the heat in the fins to the exterior of the enclosure.03-04-2010
20100067192HEAT DISSIPATION DEVICE HAVING FIXTURES FOR ATTACHMENT OF A FAN - A heat dissipation device includes a heat sink, a fan holder covering the heat sink and formed with a plurality of fastening pins thereon, a fan arranged on the fan holder and mounted on the fastening pins, and a plurality of fixtures mounted on the fastening pins and extending through the fan to secure the fan on the fastening pins of the fan holder. The fan includes a flange having a plurality of fixing holes defined therein for the fastening pins extending therethrough. The fixtures each includes a locking plate locking on a bottom side of the flange of the fan, and a plurality of claws abutting against an upper side of the flange of the fan and clamping on a corresponding fastening pin.03-18-2010
20100212863HEAT DISSIPATION DEVICE HAVING A FAN HOLDER - A heat dissipation device includes a fin group, a fan and two fan holders fixing the fan onto a front side of the fin group. The fin group defines two elongated slots in two opposite lateral side thereof and two receiving grooves in two opposing inner faces of each elongated slot. The receiving grooves have openings defined at a top of the fin group. Each fan holder has a main plate attached to a lateral side of the fin group and a locking plate connected to an inner side of the main plate and being inserted into the two receiving grooves of a corresponding elongated slot from the openings at the top of the fin group.08-26-2010
20100212869HEAT DISSIPATION DEVICE - A heat dissipation device for removing heat from a heat-generating component, includes a base and a fin group arranged on a top of the base. The base includes a conducting plate, a retaining bracket attached to a bottom surface of the conducting plate, a plurality of heat pipes located between the conducting plate and the retaining bracket and a heat absorbing block embedded in the retraining bracket. The heat pipes have first portions arranged side by side closely and sandwiched between the conducting plate and the retaining bracket and second portions bent from the first portions away from the retaining bracket in a divergent manner. The heat absorbing block has a top surface in contact with the heat pipes and a bottom surface for contacting with the heat generating component.08-26-2010
20100230076HEAT DISSIPATION DEVICE AND CENTRIFUGAL FAN THEREOF - A centrifugal fan includes a plurality of blades, a housing for receiving the blades therein and an air guiding mechanism. The housing includes a top wall and a sidewall around the top wall. The sidewall defines a first air outlet and a second air outlet adjacent and perpendicular to the first air outlet. The air guiding mechanism is located between the first air outlet and the second air outlet. The air guiding mechanism includes an air guiding wall parallel to the second air outlet and an air partition wall extending inwardly from the air guiding wall towards the blades. The first air outlet is defined between the air partition wall and the sidewall. The second air outlet is defined between the air guiding wall and the sidewall of the housing.09-16-2010
20100232113HEAT DISSIPATION DEVICE WITH FASTENER - An electronic device comprises a printed circuit board, an electronic component mounted on the printed circuit board, a heat dissipation device dissipating heat generated by the electronic component and a plurality of wires on the printed circuit board. The heat dissipation device comprises a heat sink and a pair of fasteners securing the heat sink to the printed circuit board. Each fastener comprises a frame body having a gap defined at a top portion thereof. The wires in a form of a wire harness extend through the gap of the frame body and into the frame body.09-16-2010
20100236765FAN ASSEMBLY AND HEAT DISSIPATION DEVICE HAVING THE SAME - A heat dissipation device includes a heat sink, a fan mounted on a top side of the heat sink and a fan holder connecting the heat sink with the fan. The fan includes a blade assembly and a frame enclosing the blade assembly. The fan holder includes a supporting portion engaging with the heat sink. A connecting plate extends upwardly from an edge of the supporting portion. A ridge extends angulately and downwardly from an inner surface of the connecting plate. An operating plate extends downwardly from a bottom end of the connecting plate. The operating plate is pressed inwardly or pulled outwardly to make the ridge of the connecting plate space from or engage with the frame of the fan.09-23-2010
20100243203COOLING DEVICE FOR ADD-ON CARD - A cooling device for cooling an add-on card includes a heat absorption member attached to the add-on card to absorb heat therefrom, a heat sink and a clip for clasping the heat sink onto the heat absorption member. The heat sink includes a supporting plate, and a first plate and a second plate respectively extending from opposite sides of the supporting plate and attached to the heat absorption member tightly. The clip includes an operation board, and an engaging board and a supporting board respectively extending from opposite sides of the supporting plate. The engaging board and the supporting board respectively abut the first plate and the second plate of the heat sink. A tongue extends from the engaging board rearwards and downwards toward the operation board. The tongue is provided for blocking a separation of the clip from the heat sink.09-30-2010
20100258269HEAT SINK AND METHOD FOR MANUFACTURING THE SAME - A heat sink comprises a plurality of individual plates. Each of the plates comprises a heat-dissipating portion and a binding portion connecting with the heat-dissipating portion. The binding portions are stacked together on each other to form a heat-absorbing portion. At least some of the heat-dissipating portions are bent at angles relative to the respective binding portions. At least a hoop encloses the heat-absorbing portion. A method of manufacturing the heat sink is also disclosed.10-14-2010
20110007910VOLUME CONTROL DEVICE AND METHOD FOR USING THE SAME - A volume control device used in a portable electronic device includes an input unit, an adjustment unit connected to the input unit; and an output unit connected to the adjustment unit. The input unit receives transmitted communication signals or audio signals of audio files played by the portable electronic device and transmits the audio signals to the adjustment unit, the adjustment unit automatically adjusts the voltages of the audio signals to a predetermined adjusted voltage range and transmits the adjusted audio signals to the output unit, and the output unit automatically adjusts the voltage of the audio signals transmitted from the adjustment unit to a selected broadcast voltage range and broadcasts the audio signals.01-13-2011
20110025276CHARGE CONTROL CIRCUIT - A charge control circuit used to control a battery to charge includes a power management unit, a voltage converting unit, a voltage comparison unit, and a switch control unit. The power management unit supplies a voltage to the battery. The voltage converting unit provides a reference voltage to the voltage comparison unit. The voltage comparison unit compares a battery voltage obtained from the battery with the reference voltage, and sends a comparison to the switch control unit. The switch control unit controls the power management unit to charge or stop charging the battery according to the comparison.02-03-2011
20110091316FAN ASSEMBLY WITH SNAP-ON COVER - An exemplary fan assembly includes a fan and a snap-on cover. The fan includes a bracket and an impeller disposed in the bracket. The cover includes a base body, a number of first clasps extending outwardly from a first side of the base body, a number of retaining clasps extending outwardly from an opposite second side of the base body, and an operation portion connecting the retaining clasps. The base body is disposed on the bracket, the first clasps clasp a first side of the bracket, the retaining portions clasp an opposite second side of the bracket, and the operation portion presses the bracket.04-21-2011
20110094709HEAT DISSIPATION APPARATUS AND FRAME THEREOF - An exemplary heat dissipation apparatus includes frame, a cooling fan and a heat sink. The frame includes an annular wall, a supporting board extending inward from a top of the annular wall, a plurality of legs extending downwardly from a bottom of the annular wall, and a plurality of engaging portions extending inward from an inner circumferential surface of the annular wall. A bottom of each engaging portion forms a plurality of steps at different levels. The levels of the steps of each engaging portion correspond to the levels of the steps of each other engaging portion. The cooling fan is arranged on the supporting board of the frame. The heat sink abuts against one of the steps of each engaging portion.04-28-2011
20110100595FASTENER AND HEAT DISSIPATION DEVICE USING THE SAME - An exemplary fastener used for connecting at least two components together includes a bolt, a shell, and an elastic member. The bolt has a head, a shaft, an engaging portion, and a threaded portion in series. A diameter of the engaging portion is larger than a diameter of the shaft and a diameter of the threaded portion. The shell has a side wall and a collar extending inwardly from a bottom of the side wall. The collar defines a through hole therein. A diameter of the through hole is slightly smaller than the diameter of the engaging portion of the bolt. The elastic member is sandwiched between the head of the bolt and the collar of the shell. The bolt with the elastic member is received in the shell, and a top of the engaging portion of the bolt abuts against a bottom of the collar of the shell.05-05-2011
20110100613PROTECTIVE CAP FOR COATED HEAT SINK AND HEAT SINK MODULE HAVING THE SAME - An exemplary heat sink module includes a heat sink, a thermal interface material and a protective cap. The heat sink includes a base and a heat conducting block integrally projecting from a bottom surface of the base. The thermal interface material is disposed on a bottom surface of the heat conducting block. The protective cap is removably attached to the heat conducting block to cover the thermal interface material therein. The protective cap includes a cover and a stepped flange extending outwardly from a periphery edge of the cover.05-05-2011
20110108236HEAT DISSIPATION DEVICE - An exemplary heat dissipation device includes a round heat sink and a fixing frame. The heat sink defines receiving depressions at an outer peripheral surface thereof. The fixing frame includes a peripheral side plate disposed around the heat sink and fixing legs corresponding to the receiving depressions of the heat sink extending downwardly from the side plate. The fixing frame includes blocks extending inwardly from an inner surface of the side plate and protruding members extending inwardly from the fixing legs. The heat sink is rotatably received in the fixing frame with a top of the heat sink abutting the blocks. When the heat sink is in an unlocked state, the protruding members align with the receiving depressions, respectively. When the heat sink is rotated to a locked state, the protruding members abut a bottom of the heat sink.05-12-2011
20110132573HEAT DISSIPATION DEVICE WITH ROTATION-LOCKED HEAT SINK - An exemplary heat dissipation device includes a heat sink and a fixing frame. The heat sink defines receiving depressions at an outer peripheral surface thereof. The fixing frame includes a peripheral side plate encircling the heat sink, fixing legs extending downwards from the side plate, and an elastic member disposed on the side plate. Protruding members extend inwardly from the fixing legs. The heat sink is rotatably received in the fixing frame. When the heat sink is in an unlocked state, the protruding members align with the receiving depressions, respectively. When the heat sink is rotated to a locked state, the protruding members abut a bottom of the heat sink thereby limiting axial movement of the heat sink relative to the fixing frame and the elastic member is received in a corresponding receiving depression and limit rotation of the heat sink in both clockwise and counterclockwise directions.06-09-2011
20110141700HEAT DISSIPATION APPARATUS - An exemplary heat dissipation apparatus includes a heat sink and fasteners mounting the heat sink on an electronic component on a circuit board. The heat sink includes a thermal conductive core, fins extending outwardly from the thermal conductive core and mounting plates extending outwardly from the thermal conductive core. A mounting arm extends outwardly from each of the mounting plates. The mounting arm defines receiving holes therein. Each fastener passes through a selected one of the receiving holes of a corresponding mounting arm.06-16-2011
20110146947HEAT DISSIPATION DEVICE AND CLIP THEREOF - An exemplary clip is adapted for fixing a heat sink to a heat generating component. The clip includes a body, a first engaging member, an operating member and a second engaging member. The body is adapted for pressing the heat sink. The first engaging member is formed at one end of the body. The operating member pivotally connects to another end of the body. The second engaging member pivotally engages with the operating member and is capable of moving towards or away from the body during rotation of the operating member.06-23-2011

Patent applications by Jing Zhang, Shenzhen City CN