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ASIA VITAL COMPONENTS CO., LTD.

ASIA VITAL COMPONENTS CO., LTD. Patent applications
Patent application numberTitlePublished
20120125591HEAT RADIATING FIN - A heat radiating fin includes a flat body having a front side and a rear side, a plurality of protruded portions formed on the front side of the flat body, and a plurality of recessed portions correspondingly formed on the rear side of the flat body behind the protruded portions. The protruded portions on the flat body of a first heat radiating fin are partially extendable into corresponding recessed portions on the flat body of a second heat radiating fin located before the first one, allowing the first and the second heat radiating fins to be easily and stably stacked.05-24-2012
20120117804BOARD-SHAPED HEAT DISSIPATING METHOD OF MANUFACTURING - A board-shaped heat dissipating device includes a board body having a plane face with a recess formed thereon, a heat conducting element fitted in the recess, at least one groove formed on any one of the board body and the heat conducting element, and at least one heat pipe pressed into the groove to flush with an open side of the groove. After the heat pipe is pressed into the groove and the heat conducting element is firmly fitted in the recess, portions of the heat conducting element that are higher than the plane face are removed through a cut operation, so that the heat conducting element is flush with the plane face of the board body to reduce the space occupied by the heat dissipating device. With the above arrangements, the problem of thermal resistance can be avoided and upgraded overall heat dissipation efficiency can be achieved.05-17-2012
20120081007TEMPERATURE CONTROLLING SYSTEM FOR LED MODULE - A temperature controlling system for a LED module includes at least one LED unit, at least one fan, at least one temperature sensor and a controlling device. The controlling device generates a driving signal for controlling the rotating speed of the fan based on a temperature detection signal transmitted from the temperature sensor, so that the fan can generate a compulsive airflow for dissipating the heat generated by the LED unit. According to the present invention, the working temperatures of the respective LED units can be kept the same, and a uniform heat-dissipating effect can be achieved.04-05-2012
20120061063HEAT EXCHANGER - A heat exchanger includes a body. Both sides of the body are provided with a first flowing path set and a second flowing path set. The first flowing path set and the second flowing path set are provided with a plurality of flow-disturbing portions on both sides of the body respectively. The body is provided with an inlet and an outlet in communication with the first flowing path set and the second flowing path set. A working fluid circulates in the first flowing path set and the second flowing path set. The flow-disturbing portions make the working fluid to generate separated eddies to increase the strength of turbulent flow and to improve the heat-conducting efficiency of the heat exchanger greatly.03-15-2012
20120039730CENTRAL TUBULAR STRUCTURE OF A SHAFT SEAT AND FAN DEVICE THEREOF - A central tubular structure of a shaft seat and a fan device thereof. The central tubular structure includes a base, a bushing connected with the base and a sealing member. The bushing has an outer tubular wall, an inner tubular wall and a top section interconnected between the outer and inner tubular walls to define a receiving space. The inner tubular wall defines a bearing hole. The bushing further has a reception space in adjacency to the base in communication with the receiving space and the bearing hole. The sealing member is fitted in the reception space to seal the same. The fan device is composed of the central tubular structure, a stator assembly, at least one bearing and a fan propeller. The stator assembly is arranged in the receiving space and has a substrate board. The substrate board is free from any perforation and received in the reception space.02-16-2012
20120031589RADIATING FIN, THERMAL MODULE FORMED WITH THE SAME, AND METHOD OF MANUFACTURING THE SAME - A radiating fin and a method of manufacturing the same are disclosed. The radiating fin includes a main body having a first side and an opposite second side, and being provided with at least one through hole to extend between the first and the second side for a heat pipe to extend therethrough; and at least one extension being formed on at least one of the first and the second side of the main body to locate around the at least one through hole and axially project from the main body. The extension is crimped to form a plurality of circumferentially alternate ridge portions and valley portions for tightly pressing against an outer surface of the heat pipe, so as to firmly bind the radiating fin to the heat pipe. A thermal module can be formed by sequentially binding a plurality of the radiating fins to the heat pipe.02-09-2012
20120024514PLATE COOLING FIN WITH SLOTTED PROJECTIONS - A plate cooling fin with slotted projections comprises a plate member and projection parts on the plate member with slots disposed at the periphery of the respective projection and spacing apart from each other for the cold airflow being guided to pass through the slots and turned into a turbulent flow with eddy currents at the periphery of the cooling fin to extend the stagnation time of the airflow. As a result, more heat can be carried outward the cooling fin to enhance the heat dissipation efficiency.02-02-2012
20120024499LOOP TYPE PRESSURE-GRADIENT-DRIEN LOW-PRESSURE THERMOSIPHON DEVICE - A loop type pressure-gradient-driven low-pressure thermosiphon device includes a case sealed by a cover to define a chamber with a vaporizing section. The vaporizing section includes a plurality of spaced flow-guiding members and first flow passages formed between adjacent flow-guiding members. The flow passages respectively have at least one free end communicating with a free zone in the chamber. A pipeline is connected at two ends to two opposite sides of the case, and has a second flow passage communicable with the vaporizing section. The pipeline extends through at least one heat-dissipating element, so that the pipeline and the heat-dissipating element together define a condensing section. In the thermosiphon device, a low-pressure end is created through proper pressure-reduction design to form a pressure gradient for driving steam-water circulation, and the working fluid can be driven to circulate and transfer heat in the pipeline and the case without any wick structure.02-02-2012
20120018137HEAT-DISSIPATING ASSEMBLY - A heat-dissipating assembly includes a body and a bottom plate. The body has a heat-absorbing portion. The interior of the heat-absorbing portion is provided with a chamber covered by the bottom plate. The chamber has an evaporating region for generating a high pressure, and a condensing region for generating a low pressure. The pressure gradient between the evaporating region and the condensing region is used to drive the circulation of liquid/vapor phase of a working fluid. With this structure, heat can be conducted rapidly without providing any wick structure.01-26-2012
20120018131PRESSURE DIFFERENCE DRIVEN HEAT SPREADER - A pressure difference driven heat spreader includes a chamber defined in a main body; a vaporizing section arranged in the chamber and including a plurality of first flow-guiding members spaced from one another to define first flow passages therebetween, the first flow passages each having at least one free end communicating with a free zone; a condensing section arranged in the chamber opposite to the vaporizing section and including a plurality of second flow-guiding members spaced from one another to define second flow passages therebetween; and an interconnecting section arranged between the vaporizing and condensing sections and having first and second communicating holes for communicating the vaporizing section with the condensing section. The condensing section functions as a low-pressure end, so that a pressure gradient is produced in the pressure difference driven heat spreader to drive steam-water circulation therein, and no wick structure is needed for driving the working fluid.01-26-2012
20120018130THERMAL SIPHON STRUCTURE - A thermal siphon structure includes a main body, a chamber disposed therein, an evaporation section, a condensation section and a connection section positioned between the evaporation section and condensation section. The evaporation section and condensation section are respectively arranged in the chamber on two sides thereof. The connection section has a set of first communication holes and a set of second communication holes in communication with the evaporation section and condensation section. The evaporation section and condensation section respectively have multiple first and second flow guide bodies, which are arranged at intervals to define therebetween first and second flow ways. Each of the first and second flow ways has a narrower end and a wider end. The first flow ways communicate with a free area. The condensation section is designed with a low-pressure end to create a pressure gradient for driving a working fluid to circulate without any capillary structure.01-26-2012
20120018128SLIM TYPE PRESSURE-GRADIENT-DRIVEN LOW-PRESSURE THERMOSIPHON PLATE - A slim type pressure-gradient-driven low-pressure thermosiphon plate includes a main body closed by a cover. The main body includes a central heat receiving zone, a pressure accumulating zone and a first flow passage unit separately located at two opposite sides of the heat receiving zone, a free zone communicating with the pressure accumulating zone, a first and a second condensing zone communicating with the free zone, a third and a fourth condensing zone communicating with the first flow passage unit, a second flow passage unit located between and communicating with the first and the third condensing zone, and a third flow passage unit located between and communicating with the second and the fourth condensing zone. In the thermosiphon plate, a low-pressure end is created through proper pressure-reduction design to form a pressure gradient for driving steam-water circulation, and the working fluid can transfer heat without any wick structure.01-26-2012
20110315358FINNED AIR-GUIDING HEAT-DISSIPATING STRUCTURE AND HEAT-DISSIPATING MODULE HAVING THE SAME - A finned air-guiding heat-dissipating structure includes a heat sink having heat-dissipating fins arranged at intervals. At least one heat-dissipating channel is formed between the heat-dissipating fins. The heat-dissipating fins form an intake side and a first exhaust side and a second exhaust side in communication with the intake side through the heat-dissipating channels. The first exhaust side and the second exhaust side are located on both ends of the intake side and on both sides of the heat sink. A first exhaust trough and a second exhaust trough are provided on the other two sides of the heat sink and in communication with the intake side through the heat-dissipating channels. The heat sink is connected to a fan to form a heat-dissipating module. With this arrangement, the heat sink can guide airflow toward plural sides, so that the heat can be dissipated outside rapidly to achieve an excellent heat-dissipating effect.12-29-2011
20110315352THERMAL MODULE - A thermal module includes at least one heat pipe and a heat sink. The heat pipe has a heat absorption end and a heat-spreading end extending in a direction away from the heat absorption end. The heat sink has a heat-spreading face on which multiple radiating fins are disposed and a heat conduction face opposite to the heat-spreading face. The heat conduction face is formed with a reception channel. The heat-spreading end of the heat pipe is press-fitted in the reception channel to integrally connect the heat pipe and the heat sink with each other. The heat-spreading end is flush with the heat conduction face. The heat pipe and the heat sink are connected by means of press fit connection. Therefore, the thermal module can be easily assembled to save working time and lower manufacturing cost. Moreover, the thermal module is able to provide excellent heat dissipation effect.12-29-2011
20110314674METHOD FOR MANUFACTURING FLAT PLATE HEAT PIPE - The present invention relates to a method for manufacturing a flat plate heat pipe, which includes steps of: forming a wick structure layer and at least one wick structure post on the inner surface of a chamber of a pipe, pressing the pipe to become a flattened pipe with the wick structure post being connected therein, connecting a conduit to the chamber, sealing both sides of the flattened pipe, evacuating air inside the chamber through the conduit, filling a working fluid into the chamber, and sealing the conduit. According to this method, a flat plate heat pipe can be made in a simplified manner with increased yield and reduced cost.12-29-2011
20110290450Heat Dissipation Module - A heat dissipation module includes a cooling base, a heat dissipating component, and at least one heat pipe. The cooling base includes a heating surface and a conducting surface. On the heating surface is disposed at least one joining part to hold and connect the heat pipe. The heat pipe includes a heat absorbing end and a heat dissipating end. The heat absorbing end is disposed on the joining part of the cooling base. A flat surface parallel to the heating surface of the cooling base is formed on the heat absorbing end. The heat dissipating end is attached to the heat dissipating component. The design of the present invention effectively reduces the weight and thickness of the cooling base and provides better heat dissipation.12-01-2011
20110286869SUPPORT STRUCTURE OF A COOLING FAN - A support structure of a cooling fan includes a base and a tube. The base has a raised section perpendicularly extending from the base and defining a first opening with a first inner diameter. A reception section is formed between the base and the raised section and has a first end and a second end connected with the raised section and base respectively. A second opening is formed between the first and second ends in communication with the first opening and has a second inner diameter equal to the first inner diameter and a third inner diameter larger than the second inner diameter. The tube is fitted in the first and second openings and has a first flange and a second flange mated with the raised section and reception section respectively. The second flange has a third end and a fourth end corresponding to the first and second ends respectively.11-24-2011
20110286183WATER-COOLED COMMUNICATION CHASSIS - A water-cooled communication chassis includes a chassis body and a water cooling unit. The chassis body includes at least one heat receiving portion, at least one heat dissipation portion, and at least one first water pipe system. The first water pipe system has a front part extended through the heat receiving portion and a rear part arranged on the heat dissipation portion, so that heat absorbed by the heat receiving portion is transferred via the first water pipe system to the heat dissipation portion and dissipated therefrom into ambient air. The water cooling unit communicates with the first water pipe system and drives a cooling fluid stored therein to circulate in between the first water pipe system and the water cooling unit, so that the heat absorbed by the heat receiving portion can be quickly and continuously carried away from the communication chassis by the circulating cooling fluid.11-24-2011
20110277977HEAT-DISSIPATING DEVICE AND METHOD FOR MANUFACTURING THE SAME - The present invention provides a heat-dissipating device and a method for manufacturing the same. The heat-dissipating device includes a heat sink and a heat pipe. The heat sink has an end surface provided with a groove. The heat pipe is received in the groove. The heat pipe has a heat-absorbing surface and a heat-conducting surface. The heat-conducting surface is adhered to the inner edge of the groove. The heat-absorbing surface is in flush with the end surface. With this arrangement, heat resistance of the heat-dissipating device is reduced to improve the heat-dissipating effect thereof.11-17-2011
20110277966HEAT-DISSIPATING DEVICE - The present invention provides a heat-dissipating device including a heat sink and a heat pipe. The heat sink has an end surface provided with a trough. The trough has an open side and a closed side. The heat pipe has a heat-absorbing surface and a heat-conducting surface corresponding to the open side and the closed side respectively. The heat-conducting surface and the heat-absorbing surface are not brought into contact with the heat sink. The heat is directly absorbed by the heat pipe and then conducted to the heat sink for dissipation. With this arrangement, heat resistance of the heat-dissipating device is reduced to improve the heat-dissipating effect thereof.11-17-2011
20110277965FIN AND HEAT SINK HAVING THE SAME - The present invention provides a fin and a heat sink. The fin includes a body having at least one first through-hole and at least one first protrusion. The first protrusion extends from the first through-hole toward one side of the body to form a first protruding end. At least one first notch is provided on the body in communication with the first through-hole. The fins are stacked up to form a fin set. A first heat pipe penetrates the fin set to constitute the heat sink. The first heat pipe penetrates the first through-hole while the first notch is expanded, so that the first protruding end tightly abuts against the first heat pipe. In this way, the structural strength of the fin is improved, the first heat pipe is protected from wearing due to the rubbing of fins against the heat pipe, and the heat-conducting efficiency is increased.11-17-2011
20110259555MICRO VAPOR CHAMBER - A micro vapor chamber includes: a first plate body having a first side and a second side, the second side having at least one condensation section; a second plate body having a third side and a fourth side, the third side being provided with at least one evaporation section and multiple flow collection sections, the third side being correspondingly mated with the second side of the first plate body, the fourth side contacting with at least one heat source; and a mesh structure body disposed between the first plate body and the second plate body. The mesh structure body is a capillary structure having multiple meshes and a first face and a second face. The first and second faces of the mesh structure body are mated with the condensation section and the evaporation section and the flow collection sections respectively to together define multiple flow ways.10-27-2011
20110259554FLAT PLATE HEAT PIPE AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to a flat plate heat pipe and a method for manufacturing the same. The heat pipe includes a flattened pipe whose inner surface is coated with a wick structure layer. The interior of the flattened pipe is provided with a sintered supporting layer and a working fluid. The sintered supporting layer has a plurality of posts arranged in the flattened pipe to vertically support therein. With this arrangement, the thickness of the pipe can be reduced but the whole structural strength can be maintained to prevent deformation. Further, a return path for the working fluid can be provided in the pipe. By only sealing two sides of the pipe, a sealed chamber can be formed for the operation of the working fluid. By the inventive method, the manufacturing process can be simplified and a larger space inside the chamber can be obtained.10-27-2011
20110222305LED CAR LAMP STRUCTURE WITH DEMISTING AND DEHUMIDIFY FUNCTIONS - An LED car lamp structure with demisting and dehumidifying functions includes a car lamp assembly, at least one LED module, and at least one fan. The car lamp assembly includes a base and a light-transmitting lens connected to a front side of the base, so that the lens and the base form an integral body and define a closed chamber in between them. The LED module is connected to the base and has a plurality of LEDs oriented to the lens, so that light beams emitted from the LEDs are transmitted through the lens to external environment. The fan is connected to the base and located in the closed chamber. When the fan is started, air in the closed chamber is forced to flow and circulate therein, so that the closed chamber has evenly distributed temperature therein to prevent mists and condensate from forming in the car lamp assembly.09-15-2011
20110206520COMBINATION FAN PROPELLER STRUCTURE - A combination fan propeller structure including a hub and at least one first blade assembly. The hub includes a top section and an annular section extending from the top section. The annular section has a free end distal from the top section. The first blade assembly has at least one connection section for connecting with the free end to form the fan propeller structure.08-25-2011
20110200861HEAT-DISSIPATING MODLUE FOR AUTOMOBILE BATTERY - A heat-dissipating module for an automobile battery includes an automobile battery and at least one heat-dissipating device. The heat-dissipating device is adhered to one side of the automobile battery. The heat-dissipating device has a channel located to correspond to the automobile battery and a heat-absorbing surface opposite to the automobile battery. A cooling liquid is in the channel for circulation therein. The cooling liquid circulates in the channel to absorb the heat of the automobile battery to cool the battery, thereby increasing the efficiency and lifetime of the battery greatly.08-18-2011
20110198335HEATING ASSEMBLY, HEATING DEVICE, AND AUXILIARY COOLING MODULE FOR A BATTERY - The present invention relates to a heating assembly, a heating device and an auxiliary cooling module for a battery. The heating assembly is connected to a battery and includes a heat-conducting element and a heating element. The heat-conducting element has at least one heat-absorbing portion and at least one heat-conducting portion. The heat-conducting portion is provided to correspond to the battery. The heating element has at least one first heating portion located to correspond to the heat-absorbing portion for heating the heat-absorbing portion. The other side of the heat-conducting element opposite to the battery is provided with a heat-insulating portion. The auxiliary cooling module is further provided with at least one cooling pipe in the heat-conducting element, thereby cooling the battery. With the heating assembly, the heating device, and the auxiliary cooling module of the present invention, the battery can be kept in a normal range of working temperature, so that the efficiency and lifetime of the battery can be increased greatly.08-18-2011
20110194930FAN HOUSING STRUCTURE - A fan housing structure including a base seat and a sideboard. The base seat has a bed section and a mating section extending along a periphery of the bed section. The bed section has a bush made of a material other than the material of the bed section. The bush is disposed on the bed section to axially protrude therefrom. The sideboard is made of a material other than the material of the base seat. The sideboard is disposed on the mating section and integrally connected with the base seat. The sideboard and the base seat together define a space therebetween. The sideboard and the bush are made of a material other than the material of the base seat and are integrally connected with the base seat by means of insert injection molding. Accordingly, the fan housing structure has enhanced structural strength and thinner thickness to save room.08-11-2011
20110192571WATER-COOLING HEAT DISSIPATION SYSTEM FOR LED SIGNBOARD - A water-cooling heat dissipation system for LED signboard includes a frame, at least one water pipe system, and at least one water-cooling unit. At least one heat receiving section and at least one LED module in contact with one another are mounted to the frame. The water pipe system includes at least one water pipe extended through the heat receiving section. The water-cooling unit includes at least one water inlet and water outlet pipes, which are respectively connected to a front and a rear end of the water pipe system. The water-cooling unit drives a cooling liquid stored therein to circulate in between the water pipe system and the water-cooling unit, so that heat is quickly carried away from the heat receiving section by the cooling liquid to dissipate into surrounding environment. The water-cooling heat dissipation system has upgraded heat transfer efficiency to achieve good heat dissipation effect.08-11-2011
20110186271HEAT DISSIPATION APPARATUS WITH COARSE SURFACE CAPPABLE OF INTENSIFYING HEAT TRANSFER - A heat dissipation apparatus with coarse surface capable of intensifying heat transfer comprises a base plate, a plurality of plate members, a flow passage, and a heat transfer reinforced unit; the plate members each extend upright from the base plate in parallel; the flow passage is formed between any two adjacent plate members; the heat transfer reinforced unit is provided at the first surface and/or the second surface and further comprises at least a raised part being disposed slightly upright from the respective surface and spacing apart a distance from each other, and a plurality of fish-scale-like parts each being disposed on the respective surface next to the respective raised part, providing a recess toward said surface with an inclining angle to the surface and having an edge such that a sharp end is formed by every two adjacent fish-scale-like parts and disposed at an intersection of the respective edge of the two adjacent fish-scale-like parts, wherein the raised part and the fish-scale-like parts allow fluid near the surface creating eddy flows and secondary flows and breaking boundary layers of the fluid.08-04-2011
20110186268FLAT TYPE HEAT PIPE DEVICE - A flat type heat pipe device includes a packaging unit and a bonding member. The packaging unit further includes a first shell member and a second shell member. The first shell member has a work zone, a first joining part surrounding the work zone and an upright stop part disposed between the work zone and the joining part. The second shell member provides a shape corresponding to the first shell member to cover the first shell member and has a shell lid part spacing apart from the work zone and a second joining part disposed on the first joining part. The bonding member is disposed between the first joining part and the second joining part to adhere the first joining part to the second joining part. When the first shell member is pressingly fit with second shell member, the stop part is capable of preventing the bonding member from entering the packaging unit.08-04-2011
20110174470SPIRAL HEAT EXCHANGER - A spiral heat exchanger includes two assembled covers defining a chamber therebetween for receiving a spiral unit therein. The spiral unit includes a first and a second spiral member separately spirally extending from a central outlet to a peripheral outlet on the two covers to respectively form a first and a second flow passage. A driving unit is assembled to and drives the assembled covers to rotate at the same time, so that cold and hot airflows respectively enter and flow through the first and second spiral members from the central outlet to the peripheral outlet under a centrifugal force to exchange heat at the spiral unit. The spiral unit provides extended flow passages and increased heat exchange area, giving the spiral heat exchanger increased heat transfer capacity and heat exchange efficiency and allowing omission of fans and radiating fin assembly to eliminate operating noise and accumulated dust.07-21-2011
20110171055METHOD OF MANUFACTURING HEAT SINK PLATE - A heat sink manufacturing method includes the steps of positioning a heat conductive sheet on a lower half holding tool of a powder feeder; tightly closing and connecting an upper half holding tool of the power feeder to the lower half holding tool, such that spacers downward extended from the upper half holding tool are in tight contact with the heat conductive sheet; dispensing metal powder on the heat conductive sheet via a powder inlet on the upper half holding tool and under a positive pressure while vibrating the heat conducting sheet for the metal powder to uniformly distribute on the heat conductive sheet; opening the upper half holding tool and spraying an organic liquid on the metal powder for the same to set; and removing the heat conductive sheet from the lower half holding tool and sintering the metal powder to the heat conductive sheet.07-14-2011
20110169379HEAT INSULATION STRUCTURE FOR COOLING FAN - A heat insulation structure for cooling fan includes a base, a blade hub, and a stator. The base has a ceramic bearing sleeve, which defines an axial inner space for receiving at least one bearing therein. The bearing has an axial shaft hole; and a heat insulating nanomaterial is applied between the bearing and the bearing sleeve. The blade hub has a plurality of blades and a rotor shaft provided thereon. The rotor shaft has an end connected to the blade hub and another end inserted in the shaft hole on the bearing. The stator is fitted around the bearing sleeve, and a heat insulating nanomaterial is applied between the stator and the bearing sleeve. The ceramic bearing sleeve and the heat insulating nanomaterial together protect the bearing against damage caused by heat produced by windings wound around the stator to thereby largely increase the lifetime of the cooling fan.07-14-2011
20110168360HEAT EXCHANGER - A heat exchanger includes a body having a center and a spiral guiding trough extending spirally and outwardly from the center toward an outside of the center. The radius of the spiral guiding trough increases gradually from the center toward the outside of the center. A first port and a second port are in communication with the spiral guiding trough respectively. With the combination of the spiral guiding trough and the body, the fluid can be sufficiently mixed in the spiral guiding trough, thereby achieving an excellent thermal-conducting effect.07-14-2011
20110168358LAP-JOINED HEAT PIPE STRUCTURE AND THERMAL MODULE USING SAME - A lap-joined heat pipe structure includes at least one first heat pipe having at least a first heat absorbing section in contact with a heat source and at least a first heat transfer section; and at least one second heat pipe having at least a second heat absorbing section in contact with and connected to the first heat transfer section and at least a second heat transfer section. The second heat transfer section is connected to a heat dissipation unit, so that a thermal module using the lap-joined heat pipe structure is formed. The first and the second heat pipe are connected to each other at the first heat transfer section and the second heat absorbing section, which are lap-joined to each other. With the lap-joined heat pipe structure, heat transfer efficiency can be largely increased and only a reduced heat dissipation space is needed.07-14-2011
20110123340FAN BLADE STRUCTURE - A fan blade structure includes a case, a rotor and a fan blade unit. The case has a top portion and a sidewall portion connected to an outer periphery of the top portion to thereby define a receiving space therein. The rotor is mounted in the receiving space to contact with an inner wall surface of the sidewall portion in a tight-fit relation. The fan blade unit is formed by stamping a metal material, and includes an annular top face bearing on the top portion of the case, and a plurality of blades equally spaced along the annular top face. The annular top face defines a large-area central opening, which effectively reduces an overall weight of the fan blade unit and thereby lowers the load of the rotor and allows a fan motor in operation to reach its high limit of rotary speed and enable an upgraded fan rotating speed.05-26-2011
20110121671SINGLE BEARING MOTOR WITH MAGNETIC ELEMENT - A single bearing motor comprises a fan blade set, a motor set and a fan blade base. The fan blade set has a fan blade hub to join with a spindle fitting with a bearing on the outside thereof. The motor set is attached to the fan blade base and a hollow axial seat is provided in the center of the fan blade base to receive the bearing. Further, magnetic elements are disposed at the axial seat to avoid internal clearances being created for lack of a preset pressure acting on the bearing casing and balls therein. The balls and the bearing itself can run smoothly to effectively enhance motor operation.05-26-2011
20110120689HEAT EXCHANGER RADIATING FIN STRUCTURE AND HEAT EXCHANGER THEREOF - A heat exchanger radiating fin structure and a heat exchanger thereof. The radiating fin includes a main body and at least one rib. The main body has a first plane face and at least one lateral side. Multiple depressions are formed on the first plane face. The rib is disposed on a portion of the first plane face, which portion is free from any of the depressions. The rib obliquely extends in a direction neither normal nor parallel to any lateral side of the first plane face. The heat exchanger includes a radiating fin assembly composed of multiple piled up radiating fins. Each two adjacent radiating fins define therebetween a flow way having at least one inlet and at least one outlet. With the depressions and the rib, the structural strength of the radiating fin is increased and the heat exchange performance of the heat exchanger is enhanced.05-26-2011
20110116943STATOR STRUCTURE, AND MOTOR AND FAN ASSEMBLY USING SAME - A fan assembly includes a stator and a rotor. The stator is located in a fan frame and includes a base, at least one magnetizing winding provided on the base at a first relative position relative to a center of the base, and at least one magnetic conductive element provided on the base at a second relative position relative to the center of the base. The rotor is fixedly mounted in a fan hub, and has at least one positive pole and at least one negative pole, which are alternately arranged to constitute a magnetic induction face. The fan hub is rotatably connected to the fan frame via a shaft with the magnetic induction face facing toward the magnetizing winding and the magnetic conductive element on the base. With the above arrangements, the fan can have a largely reduced axial height for use in a limited space.05-19-2011
20110094721HEAT EXCHANGER STRUCTURE - A heat exchanger structure includes a pipe and a flow-guiding element. The pipe internally defines a chamber, in which the flow-guiding element is disposed. The flow-guiding element includes a helical main body and a plurality of turbulence promoters radially outward extended from two opposite lateral sides of the helical main body. The turbulence promoters are independently arranged on the helical main body with free ends of the turbulence promoters contacting with an inner wall surface of the chamber, so that a fin cooling effect is produced. The turbulence promoters and the helical main body together define at least one flow-guiding section. With the helically distributed turbulence promoters of the flow-guiding element, the heat transfer ability and the thermal performance factor of both laminar and turbulent flows in the pipe can be increased to provide excellent heat transfer effect.04-28-2011
20110091315FAN WITH PRESSURIZING STRUCTURE - A fan with pressurizing structure includes a rotor having a main body, blades spaced on the main body, a magnetic body annularly mounted in the main body, and a shaft axially connected to an inner side of the main body; a frame having a sleeve and at least one bearing rotatably received in the sleeve, and an opposing end of the shaft being inserted into the bearing; a stator assembly fitted around the sleeve and including silicon steel plates and a base plate; and a plurality of first pressurizing sections selectively provided on one of the base plate and an end face of the magnetic body. With the first pressurizing sections, deposition of moisture and salt fog in the sleeve and the rotor can be prevented to avoid corroded and damaged bearing and rotor shaft, and the service life of the whole fan is increased.04-21-2011
20110091314FAN STRUCTURE - A fan structure includes a base having a receiving section; a sleeve defining a receiving space therein, and having a shaft hole communicating with the receiving space and an engaging end for engaging with the receiving section of the base; a bearing having an axial bore and received in the sleeve; and an insulating rack externally fitted around the sleeve and having a holding section for holding at least one silicon steel plate set therein, which is spaced from the sleeve by at least one first space. With these arrangements, heat produced by the silicon steel plate set during fan operation is isolated by the first space from directly damaging the bearing.04-21-2011
20110088873SUPPORT STRUCTURE FOR FLAT-PLATE HEAT PIPE - A support structure for flat-plate heat pipe, including a main body and a fitting body. The fitting body has at least one open side and a first side section connected with the open side. The first side section has a capillary structure formed on a periphery of the first side section. The first side section and the open side together define a space for fixedly fitting the main body therein. By means of the capillary structure of the first side section of the fitting body, the circulating rate of a working fluid flowing within the flat-plate heat pipe is increased to achieve better heat dissipation effect and better thermal uniformity.04-21-2011
20110088872HEAT PIPE STRUCTURE - A heat pipe structure includes a pipe body and a convection device. The pipe body defines a chamber enclosed in an inner wall of the pipe body. The convection device includes a rotary unit and a driving unit for creating a fluid pressure gradient in the chamber of the pipe body. The rotary unit and the driving unit are respectively located at an interior and an exterior of the pipe body. When the driving unit is excited, the rotary unit is driven to rotate under magnetic induction. With the fluid pressure gradient created in the chamber of the pipe body, the circulation of the working fluid in the chamber can be improved, and a forced convection flow of the working fluid in the pipe body is enabled to largely increase the heat transfer efficiency and heat transfer effect of the heat pipe.04-21-2011
20110079368FIXING MOUNT AND THERMAL MODULE THEREOF - A fixing mount and a thermal module thereof are disclosed. The fixing mount is used to connect with a heat sink. The fixing mount includes a main body having a rest section, multiple extension sections extending from a periphery of the rest section and at least one support section formed at one end of each extension section distal from the rest section. Each support section has a latch section disposed at one end of the support section distal from the extension section. By means of the fixing mount, the heat sink can be fixedly locked on a chassis board without using any screw. Therefore, the assembling time is shortened and the assembling process is simplified to lower the manufacturing cost.04-07-2011
20110057080STRUCTURE FOR FIXING A BACKPLATE - A structure for fixing a backplate includes a main body having at least one extended portion, on which at least one retaining arm and at least one locating post are provided. The locating post is located near an outmost portion of an end of the extended portion opposite to the main body, and the retaining arm is located near an outer periphery of the locating post. The backplate can be attached to one face of a motherboard via the locating post and the retaining arm of the structure for fixing a backplate to increase the structural strength of the motherboard without the need of using any bonding material or other adhesive medium to thereby reduce the cost of manufacturing and mounting the backplate.03-10-2011
20110052396FAN STRUCTURE - A fan structure including a hub and at least one blade. The hub includes a top section, an annular section and at least one first connection section. The first connection section is selectively disposed on the top section or the annular section. One end of the annular section is connected with a circumference of the top section to define a receiving space. The blade has at least one second connection section disposed at one end of the blade. The second connection section is complementary to the first connection section and connected thereto. The blades are positioned in an overlapping pattern. The blades are independently formed and are easier to manufacture. Therefore, the manufacturing process of the fan structure is simplified and the manufacturing cost is lowered. Moreover, the wind power of the fan structure is increased.03-03-2011
20110050023MOTOR MAGNETIC POLE STRUCTURE - A motor magnetic pole structure including a first seat having multiple first insulating arms and a second seat having multiple second insulating arms. Multiple first coils are wound on the first insulating arms and multiple second coils are wound on the second insulating arms. The first and second silicon steel seats overlap each other with the first and second insulating arms alternately positioned. In this case, the first and second coils wound on the first and second insulating arms are alternately positioned to intersect each other. The first and second silicon steel seats can assembled as necessary to enhance compatibility of the silicon steel seats and lower manufacturing cost. Moreover, the winding operation of the coils can be speeded.03-03-2011
20110033300OIL-RETAINING STRUCTURE ON FAN ROTOR - An oil-retaining structure on fan rotor includes a rotor body, a rotor shaft, and an oil-retaining portion. The rotor body has an open end and a closed end, on an inner side of which the oil-retaining portion is formed. The oil-retaining portion includes an annular recess, which has an oil-retaining edge and an oil-retaining surface extended between the oil-retaining edge and a bottom of the annular recess. The rotor shaft has a first end connected to the oil-retaining portion and a second end extended through a bearing of a fan. Since the oil-retaining portion is coated with a layer of oil-repellant agent, lubricant oil being centrifugally pulled out of the bearing when the fan operates and caught by the annular recess can quickly flow back to the bearing without remaining in the annular recess due to a capillary action. Therefore, the fan can have increased service life and upgraded operating efficiency.02-10-2011
20110031832FAN SEAT STRUCTURE - A fan seat structure includes a seat and a snap-fitting member. The seat is formed on a top with a supporting face, from where a bearing cup is upward extended; and a portion of the seat corresponding to the bearing cup is formed into a central passage. The snap-fitting member is assembled to the seat at the central passage, and is integrally formed with a hollow tubular section upward extended toward the bearing cup; and a limiting section and a pressure-proof section are integrally provided in the hollow tubular section. With the snap-fitting member, a cooling fan can have simplified structure and be more stably and reliably assembled, ensuring the cooling fan to have enhanced performance and be manufactured at reduced time, labor and cost.02-10-2011
20110030919THERMAL MODULE MOUNT STRUCTURE - A thermal module mount structure including a first mount body and a second mount body. The first mount body defines therein a first passage and has multiple engaging sections inward extending into the first passage. The second mount body is disposed in the first passage and has multiple complementary engaging sections complementary to the engaging sections. Each of the complementary engaging sections has a moving space and multiple engaging splits in communication therewith. The second mount body is vertically displaceable within the first passage, whereby the first and second mount bodies can be relatively rotated to insert the engaging sections into the engaging splits at different heights. Accordingly, the height of the mount structure is changeable by means of adjusting the second mount body in accordance with different heights of radiating fins. Therefore, the mount structure has high commonness so that the cost for developing the molds is reduced.02-10-2011
20110024100HEAT RADIATING UNIT STRUCTURE AND HEAT SINK THEREOF - A heat radiating unit is provided on a front face with at least one raised strip having a curved head portion and a neck portion, the neck portion being located at a joint of the raised strip and the heat radiating unit and having a width smaller than that of the curved head portion; and on a reverse face with at least one receiving groove opposite to the raised strip, the receiving groove having a curved recess portion and an engaging shoulder portion, and the engaging shoulder portion being located at a joint of the receiving groove and the heat radiating unit. A plurality of the heat radiating units can be assembled to provide a heat sink by engaging the curved head portion and the neck portion of one heat radiating unit with the curved recess portion and the engaging shoulder portion, respectively, of another heat radiating unit.02-03-2011
20100307997MOUNTING PACK STRUCTURE AND MOUNTING HOLE ADAPTER THEREOF - A mounting rack structure includes a rack body having a plurality of downward extended supporting legs, each of which is provided near a distal end with an mounting hole; a plurality of mounting hole adapters; and a plurality of fastening elements. The mounting hole adapter includes at least one vertical extension portion with a first retaining flange and a central passage having at least one second retaining flange formed therearound; and is assembled to the mounting hole with the first retaining flange firmly pressed against one side of the supporting leg. The fastening element can be extended through the central passage of the mounting hole adapter to firmly lock the supporting leg and accordingly the rack body to a heat-generating unit. With the mounting hole adapter, the mounting rack structure can be used with different types of fastening elements to save the cost for making different molds.12-09-2010
20100266394FAN SHAFT SEAT STRUCTURE - A fan shaft seat structure including a shaft bushing and a heat dissipation member. The shaft bushing has an open end, a closed end and a, connection section. A receiving space is defined between the open end and the closed end. The connection section extends from the closed end in a direction reverse to the receiving space. The heat dissipation member has a first face and a second face. The first face is flush with a first end of the connection section in contact with the closed end of the shaft bushing. The second face is flush with a second end of the connection section. The shaft bushing is integrally connected with the heat dissipation member to increase heat dissipation area and save working time and manufacturing cost as well as achieve better heat dissipation effect.10-21-2010
20100263843INCLINED WAVED BOARD AND HEAT EXCHANGER THEREOF - An inclined waved board and a heat exchanger thereof. The inclined waved board includes a board body composed of continuous waved sections. The waved sections are respectively inclined from a first side to a second side, inclined from the first side to a third side and inclined from a fourth side to the second side of the board body by an inclination. The waved sections define multiple raised sections and recessed sections on two faces of the board body. The heat exchanger is composed of multiple board bodies arranged adjacent to and in parallel to each other. Each two adjacent board bodies define therebetween a flow way. When fluids flow through the flow ways, the inclined waved sections enhance turbulence intensity and guide the fluids to produce secondary flows along the cross-sections of the flow ways so as to form dynamic three-dimensional swirling flow structure in the waved flow ways. The enhanced turbulence activities and the swirling flow structures augment heat transfer rates with less pressure-drop penalties from the likewise ribbed channel due to the smooth channel surface for the present invention.10-21-2010
20100208430HEAT DISSIPATION ARRANGEMENT FOR COMMUNICATION CHASSIS - A heat dissipation arrangement for communication chassis includes a chassis body defining an inner receiving space and being divided into at least one heat receiving portion and at least one heat dissipation portion; a first heat pipe set arranged in the receiving space to connect the heat receiving portion to the heat dissipation portion, so that heat absorbed by the heat receiving portion can be quickly transferred via the first heat pipe set to the heat dissipation portion; and at least one thermal module including a plurality of radiating fins and at least one second heat pipe, which is connected to the heat dissipation portion and extended through the radiating fins, allowing part of the heat transferred to the heat dissipation portion to be transferred to the radiating fins. The thermal module provides additional heat dissipating area, so that the communication chassis can provide excellent heat dissipation effect.08-19-2010
20100208428COMMUNICATION CHASSIS HEAT DISSIPATION STRUCTURE - A communication chassis heat dissipation structure includes a chassis body defining an inner receiving space. The chassis body is divided into at least one heat concentration portion and at least one heat dissipation portion. A first heat pipe set is arranged in the receiving space to extend between and connect to the heat concentration portion and the heat dissipation portion, so that heat absorbed by the heat concentration portion is quickly transferred via the first heat pipe set to the heat dissipation portion and then dissipates from the heat dissipation portion into ambient air. Therefore, heat inside the chassis body can be quickly dissipated outward, enabling a communication chassis to have excellent heat dissipation effect.08-19-2010
20100193158COOLING FAN RACK - A cooling fan rack includes a frame defining a union section; a plurality of stoppers arranged at four corners in the frame to cooperate with the frame to define an accommodating space; and a plurality of airflow paths formed between two adjacent stoppers to communicate with the accommodating space. The frame is provided at two lateral lower sides with a notch each, which communicate with the accommodating space. The two notches are sized for straddling two upper outer sides of a radiating fin assembly, so that the radiating fin assembly with a reduced volume can be upward fitly received in the accommodating space. A cooling fan is downward firmly fitted in the union section. Part of the cooling airflow produced by the cooling fan can flow through the airflow paths to two opposite ends of the radiating fin assembly, enabling upgraded heat dissipation effect.08-05-2010
20100186930Thermal module - A thermal module includes a radiating fin assembly having first heat conducting sections located at a lower middle portion thereof, second heat conducting sections located adjacent to outer sides of the first heat conducting sections, first heat dissipating sections located closer to upper outer portions of the radiating fin assembly, and second heat dissipating sections located adjacent to inner sides of the first heat dissipating sections; first heat pipes each having two ends separately inserted into the first heat conducting and dissipating sections; and second heat pipes each having two ends separately inserted into the second heat conducting and dissipating sections. Therefore, heat source can be transmitted by the first heat pipes from the high-temperature lower middle portion of the radiating fin assembly to the low-temperature upper outer portions of the radiating fin assembly and quickly dissipated into ambient air without stagnating in the middle of the radiating fin assembly.07-29-2010
20100183445BLADE STRUCTURE FOR HEAT SINK FANS - A fan blade for heat sink fans is provided. The fan blade includes a wheel hub and a plurality of blades which is disposed around the rim of the wheel hub. The surfaces of the blade fans are designed with protruding or recessing inhibiting part. The flow rate on the blade surfaces is made unsteady by the inhibiting part as the airflow is flowing by to form a constant air flow impact and generate a boundary layer on the blades effectively. The effective second order distribution of the pressure rise is formed, and the effective working area of the fan is expanded. The improvement increases the static pressure and lowers the noise.07-22-2010
20100181059Stress equalized heat sink unit - A stress equalized heat sink unit includes a radiating fin assembly consisting of a plurality of radiating fans and a stress equalizing element. A part of the radiating fins are correspondingly cut at a predetermined position to form a receiving hole vertically downward extended from a top of the radiating fin assembly by a predetermined depth. The stress equalizing element is positioned on a bottom in the receiving hole to thereby locate the radiating fins in place. One side of the stress equalizing element facing away from the bottom of the receiving hole serves as a pressure receiving face. When a tightening device tightly fitted on the radiating fin assembly applies a downward pressure on the pressure receiving face of the stress equalizing element, the applied pressure is uniformly dispersed via the pressure receiving face and the radiating fins to avoid deformation of the radiating fins due to stress concentration.07-22-2010
20100175855Heat dissipating structure and method of manufacturing same - A heat dissipating structure and a method of manufacturing same is disclosed. The heat dissipating structure includes a base being formed on one face with lower pipe-receiving grooves, a cover being formed on one face facing to the base with upper pipe-receiving grooves, and heat pipes disposed between the base and the cover. A heat-conducting substance is applied in the lower and upper pipe-receiving grooves, whereby when the cover is tightly pushed against the base, the heat pipes are tightly fitted in and between the lower and the upper pipe-receiving grooves. Radiating fins can be provided on the cover. When the base is attached at another face to an electronic device, heat produced by the electronic device can be effectively transferred to and dissipated from the heat dissipating structure, which has tightly connected base, heat pipes, and cover to ensure high heat dissipating effect without the need of tin soldering.07-15-2010
20100134978Cooling fan housing structrue - A cooling fan housing structure for connecting to a heat sink includes a boosting portion, a top face, and an enclosing portion. The top face is outward extended from an end of the boosting portion, and the enclosing portion is extended from an end of the top face farther away from the boosting portion in a vertical direction opposite to the boosting portion. The top face and the enclosing portion together cover one side of the heat sink. The top face includes at least one projected element, and the heat sink includes at least one heat-absorbing portion and at least one heat-dissipating portion defining at least one heat-dissipating flow passage. By inserting and holding the projected element in the heat-dissipating flow passage, the cooling fan housing structure can be quickly and stably connected to the heat sink at reduced time and labor and manufacturing cost.06-03-2010
20100132918Cooling fan housing assembly - A cooling fan housing assembly for assembling to a heat sink includes a boosting portion and a connecting portion extended from the boosting portion. The connecting portion includes a first part and a second part for covering on and fixing to the heat sink. The second part of the connecting portion is provided with at least one hooking section for firmly hooking to the heat sink, so that a cooling fan supported on the cooling fan housing assembly can be quickly assembled to the heat sink without the risk of producing vibration during the operation of the cooling fan. Therefore, the cooling fan housing assembly not only reduces assembling labor and time and manufacturing cost, but also enables stable operation of the cooling fan.06-03-2010
20100124021Heat radiating fin assembly and thermal module formed therefrom - A heat radiating fin assembly is formed from alternately stacked first and second heat radiating fins. The first and the second heat radiating fins each are provided on at least one lateral side with a projected point and a receded point, respectively, to thereby define an airflow guiding section on at least one longitudinal side of the heat radiating fin assembly. The airflow guiding section includes a first and a second airflow inlet, and a middle airflow inlet located between the first and the second airflow inlet. The heat radiating fin assembly can be associated with at least one heat pipe and a base to form a thermal module. The airflow guiding section enables widened airflow inlets, shortened airflow paths, reduced airflow pressure drop and flowing resistance, and upgraded cooling air flowing efficiency, so that the heat radiating fin assembly and the thermal module can provide excellent heat dissipating effect.05-20-2010
20100124020Radiating fin assembly and thermal module formed therefrom - A radiating fin assembly includes a plurality of alternately stacked first radiating fins and second radiating fins, such that a V-shaped recession is formed between any two adjacent first and second radiating fins. The V-shaped recessions are defined on at least one of two longitudinal sides of the radiating fin assembly and include a plurality of split spaces, first widened spaces, and second widened spaces. The split spaces are formed at a bottom portion of the V-shaped recessions, and the first and the second widened spaces are formed at two opposite ends of the split spaces. The radiating fin assembly can be associated with at least one heat pipe and a base to form a thermal module. With the V-shaped recessions, the radiating fin assembly and the thermal module can have widened airflow inlets, shortened airflow paths, reduced airflow pressure drop and flowing resistance, and accordingly upgraded heat dissipating efficiency.05-20-2010
20100089555LIQUID-COOLING TYPE THERMAL MODULE - A liquid-cooling type thermal module includes a liquid cooling unit and at least one heat pipe. The heat pipe has a heat-absorbing end and a heat-dissipating end. The heat-absorbing end is connected to at least one heat-producing element. The heat-producing element is located inside a system while the liquid cooling unit is located outside the system. The heat pipe connects the heat-producing element to the liquid cooling unit. Heat produced by the heat-producing element is absorbed by the heat-absorbing end and transferred to the remote liquid cooling unit via the heat-dissipating end to be dissipated. With the heat pipe being used as a medium for conducting heat, the problem of fluid leak can be eliminated, and the heat produced by the heat-producing element can be effectively carried away from the system without stagnating around the heat-producing element, enabling the thermal module to provide excellent heat dissipating effect.04-15-2010
20100086395Cooling Fan with Oil-impregnated Bearing - A cooling fan with oil-impregnated bearing includes a base portion, a bearing, a fan hub, and a coil assembly. The base portion has a forward extended bearing housing, into which the bearing is tightly fitted with a colloidal material applied between them. The fan hub is mounted on and around the bearing housing, and has a rearward extended rotary shaft extended through a centered shaft hole of the bearing. An oil receiving space is formed on a wall of the shaft hole at a predetermined position. The coil assembly is externally tightly fitted around the bearing housing with a colloidal material applied between them. With the colloidal material, the bearing and the coil assembly can be associated with the bearing housing without detriment to the effective porosity of the bearing and the dimensional precision of the bearing housing. The oil receiving space also prevents the lubricating oil from leaking out.04-08-2010
20100084932Cooling Fan having Oil-impregnated Bearing - A cooling fan with oil-impregnated bearing includes a bearing seat having a bearing housing; a bearing rightly fitted in the bearing housing with a colloidal material applied between them to maintain dimensional precision of the bearing and the bearing housing; and a fan hub mounted on and around the bearing housing with a rotary shaft extended through the bearing. The bearing housing has a distal end integrally formed into a retaining section to prevent leakage of lubricating oil, and a proximal end having a bottom cap tightly fitted therein with a colloidal material applied between the bearing housing and the bottom cap. The bearing is formed at positions near the retaining section and the bottom cap with an oil receiving space each to minimize loss of lubricating oil. A supporting plate is provided in the bottom cap to support the rotary shaft, allowing the fan hub to rotate stably.04-08-2010
20100073879THERMAL MODULE - A thermal module includes at least one heat dissipating element, at least one cooling chip, and a heat radiating unit. The cooling chip has a cold end in contact with one side of the heat dissipating element and a hot end in contact with the heat radiating unit. With the cooling chip in direct contact with the heat radiating unit and the heat dissipating element, the heat dissipating element can be directly cooled by the cooling chip, and the thermal module can have a simplified structure to occupy a reduced room while providing enhanced heat dissipating efficiency and accordingly upgraded heat-dissipating effect.03-25-2010
20100071885Cover structure for core of heat exchanger - A cover structure for the core of a heat exchanger is provided. The core of a heat exchanger includes a partition plate and a cover. The cover includes a plurality of frames, an upper cover body, and a lower cover body. The upper cover body and the lower cover body join and together define a receiving space for receiving the frames. The frames are disposed on two sides of one of the upper cover body and the lower cover body, allowing the receiving space to be formed between the frames. Each of the frames has a plurality of crosswise extending posts provided therein. Each of the crosswise extending posts extends from an edge thereof, wherein the edge of each of the crosswise extending posts adjoins the receiving space. The crosswise extending posts and the frames together define a plurality of slits. The crosswise extending posts of the frames are coupled to the partition plate directly. The frames and the partition plate are fixed in position within the cover, thereby saving raw materials and reducing the required amount of adhesive material used.03-25-2010
20100065249HEAT SINK - A heat sink includes a radiating base being provided on one face with perpendicularly extended radiating fins, and on another opposite face with a protruded seat. Two opposite lateral sides of the radiating base are outward extended, from two upper longitudinal edges of the protruded seat. A first space is formed between any two adjacent ones of the radiating fins, and at least one through hole is formed on the radiating base to communicate the first spaces with spaces formed below the radiating base at two outer sides the protruded seat. The heat sink is mounted to a heat-producing element. Ambient cold air can flow downward and enter the spaces below the radiating base, and then flow upward through the at least one through hole into the first spaces to carry away heat transferred to the radiating fins and thereby upgrade the heat dissipation efficiency of the heat sink.03-18-2010
20100065248HEAT SINK - A heat sink includes a rib section and a plurality of radiating fins spaced on a top face of the rib section. The radiating fins are perpendicularly protruded from the top face of the rib section and orthogonally extended across the rib section with a near middle bottom portion of each of the radiating fins in contact with the top face of the rib section, such that two lateral portions of each of the spaced radiating fins are outward protected from two opposite sides of the rib section to define two comb-shaped air paths. Cold air can flow to spaces below the comb-shaped air paths, and hot air carrying the heat radiated from the radiating fins can upward flow through the comb-shaped air paths and diffused outward as a result of natural air convection around the heat sink. Therefore, the heat sink can have largely upgraded heat dissipation efficiency.03-18-2010
20100038064Reinforced Thermal Module Structure - A reinforced thermal module structure includes a radiating fin assembly, a radiating base, and at least one heat pipe. The radiating fin assembly consists of a plurality of stacked and spaced radiating fins, each of which has at least two notches. The heat pipe includes a conducting section in contact with the radiating base, and a heat-dissipating section extended through the radiating fin assembly to connect thereto. The radiating base has at least two support arms for correspondingly engaging with the at least two notches on the radiating fins. The support arms help in enhancing the structural strength, heat conducting efficiency, and heat-dissipating effect of the thermal module structure.02-18-2010
20100038060HEAT DISSIPATION DEVICE CAPABLE OF COLLECTING AIR - A heat dissipation device capable of collecting air includes a fan, a heat sink and an air collecting hood. The top of the heat sink is joined to the fan. The air collecting hood is disposed to surround the heat sink. It is characterized in that the air collecting hood has an air inlet, a middle section and an air outlet; and the inner side of the middle section has a plurality of support projections against the periphery of said heat sink. Therefore, the air induced by the fan can be gathered at the surroundings of the heat sink with the air collecting hood for enhancing the effect of the heat dissipation.02-18-2010
20100038059Reinforced thermal module structure - A reinforced thermal module structure includes a heat pipe, a radiating base, and a radiating fin assembly. The heat pipe includes a conducting section and a heat-dissipating section. The conducting section is in contact with and connected to the radiating base, and the heat-dissipating section is extended through and connected to the radiating fin assembly. The radiating base has at least two support arms. Each of the support arms has an extended free end extended toward and pressed against one side of the radiating fin assembly. The support arms not only help in giving the entire thermal module an enhanced structural strength, but also in increasing the heat conducting area and heat dissipating efficiency of the thermal module.02-18-2010
20100034235Heat sink testing method - A heat sink testing method for measuring the heat dissipation performance of a heat sink includes the following steps: using at least one fluid supply device to produce an amount of fluid, which has a first temperature and is driven to pass through a heat sink; adjusting an input power to a heat-producing element, so that the heat-producing element produces heat, and the produced heat is transferred to the heat sink to produce heat energy having a second temperature between the heat sink and the heat-producing element; and stopping the adjustment of the input power to the heat-producing element when a preset high limit of the second temperature is reached, and determining the heat dissipation performance of the heat sink according to the input power of the heat-producing element.02-11-2010
20100027219FAN FRAME ASSEMBLY FOR A HEAT SINK - A fan frame assembly for a heat sink includes the fan frame, the fasteners and the heat sink. The fan frame has the plate-shaped holding members extending downward along the circumferential side thereof with a horizontal engaging end part respectively. The engaging end part has a piercing hole for being passed through by the respective fasteners. Due to the fasteners being surrounded with a spring, the spring exerts a pressing force to the fan frame in addition to the holding members locating the heat sink for the fan frame assembly being joined to the heat sink firmly.02-04-2010
20100026146Electrical Motor - An electrical motor includes: a rotor; a stator including a stator core that is formed with a plurality of first slot units and a plurality of second slot units which are alternately disposed with the first slot units, each of the first slot units including at least two first slots, each of the second slot units including at least two second slots, the stator core being further formed with a plurality of first poles each disposed between the first slots of a respective one of the first slot units, and a plurality of second poles each disposed between the second slots of a respective one of the second slot units, the depth of each first slot being deeper than that of each second slot; a first winding that is wound on the first poles; and a second winding that is wound on the second poles.02-04-2010
20090321049Radiating fin - A radiating fin includes a main body, on which at least one reinforcing section is formed. The reinforcing section is sunken into a first side of the main body and correspondingly protruded from an opposite second side of the main body. With the reinforcing section formed on the main body, the radiating fin can have largely enhanced structural strength and increased heat-radiating area.12-31-2009
20090290975Oil-Sealing Arrangement for Cooling Fan - An oil-sealing arrangement for cooling fan includes a fan housing provided with a central hollow pipe having a hollow bearing fitted therein in a clearance fit relation, and the bearing having a front end formed into a forward tapered projection; and a blade carrier including a fitting cylinder with a rearward tapered projection. When the fitting cylinder is extended into the hollow pipe on the fan housing, the rearward tapered projection and the forward tapered projection together define a seeped oil chamber between them. When the cooling fan operates, lubricating oil seeped out of the hollow pipe along the bearing is recovered in the seeped oil chamber and flows back to the hollow pipe via the clearance between the bearing and the hollow pipe without being centrifugally thrown out of the cooling fan, allowing the cooling fan to have extended usable life.11-26-2009
20090290356Light-Emitting Diode Lampshade with Heat-Radiating Effect - A light-emitting diode (LED) lampshade with heat-radiating effect is made of a heat-conducting material, and has a plane contact section and an extension section extended from at least one side of the contact section. The plane contact section has at least one LED module mounted thereon. The extension section is so configured that it not only converges and reflects light emitted from the LED module, but also provides a large surface area in direct contact with ambient air. When the LED module produces heat during the operation thereof, the produced heat is transferred from the contact section of the LED lampshade to the extension section and dissipated into ambient air directly from the extension section.11-26-2009
20090288810Heat Radiating Fin - A heat radiating fin includes a flat body, two flange portions formed at two opposite edges of the flat body, and two inward bent locking ends formed at two lateral ends of each of the flange portions to space from the flat body by a distance. When two or more of the heat radiating fins are stacked to form a thermal module, the locking ends of a second heat radiating fin extend beyond the first heat radiating fin via the spaces between the locking ends and the flat body of the first heat radiating fin to upward abut against the flat body of the first heat radiating fin, so that the first heat radiating fin is firmly held to the second heat radiating fin.11-26-2009
20090288806Heat Radiating Unit - A heat radiating unit in the form of a heat sink includes a contact section arranged on a central portion of an end face of the heat sink for contacting with a heat source, and having more than one extension plate outward extended therefrom; a first heat-dissipating section composed of multiple curved radiation fins outward extended from two opposite sides of the contact section to provided increased heat radiating areas; and a second heat-dissipating section composed of multiple straight fins outward extended from another two opposite sides of the contact section and outer surfaces of the extension plates. The contact section conducts heat generated by the heat source to the first and second heat-dissipating sections, through which airflow produced by a cooling fan flows to carry the heat away from the heat sink in multiple directions to achieve enhanced heat-dissipating effect.11-26-2009
20090288294Method of Manufacturing Thermal Module - In a method of manufacturing a thermal module consisting radiating fins and heat pipes made of two different metal materials, the radiating fins are subjected to physical vapor deposition to form localized deposited coating, and the heat pipes are applied at areas to be welded to the radiating fins with a welding flux; the welding flux is then heated to its melting point, so as to weld the heat pipes to the radiating fins to form the thermal module. With the localized deposited coating on the radiating fins, heat pipes and radiating fins made of different metal materials can be firmly welded at the coated areas to ensure good welding joints and heat conducting efficiency of the completed thermal module.11-26-2009
20090283246Cooling fin structure and heat-dissipating module thereof - A cooling fin structure and a heat-dissipating module thereof are provided. The cooling fin structure includes a plate. The plate extends bilaterally to form a first guiding portion and a second guiding portion with a first included angle between the first guiding portion and the plate and a second included angle between the second guiding portion and the plate. The plate and the first and second guiding portions together define a trough. The cooling fins are stacked up and coupled to a heat pipe, a base, and a fan so as to form a heat-dissipating module. The first guiding portion and the second guiding portion of the cooling fin structure guide a heat-dissipating fluid generated by the fan to the plate and concentrate the fluid so as to enhance heat dissipation greatly.11-19-2009
20090279254Heat dissipating structure - A heat dissipating structure with a casing and at least a power-free heat-dissipating device therein is provided. The power-free heat-dissipating device is driven by an air stream outside and inside the casing to rotate. The rotating power-free heat-dissipating device introduces the air stream into the casing and expels the air stream from the casing so as to facilitate circulation favorable for heat dissipation, thereby enhancing heat dissipation, enabling power-free operation, and serving a power-saving purpose.11-12-2009
20090268395Backplate for heat radiator - A backplate for heat radiator is configured to mount to a rear side of a motherboard, and is provided at predetermined positions with an insulating bonding material. The insulating bonding material not only firmly connects the backplate to the rear side of the motherboard, but also serves as an insulating means between the metal backplate and the motherboard. That is, with the insulating bonding material, the backplate would not separate from the motherboard when the motherboard is moved, and the motherboard is electrically insulated from the backplate.10-29-2009
20090262505Heat radiator - A heat radiator is in the form of a rectangular body having two opposite longer sides and two opposite shorter sides, and includes a contact section located at an end surface of the heat radiator for contacting with a heat source and having at least one extension wall outward extended therefrom to divide the heat radiator into a first heat-dissipating zone, which consists of a plurality of curved radiation fins outward extended from the contact section toward the two longer sides, and a second heat-dissipating zone, which consists of a plurality of straight or curved radiation fins outward extended from the contact section and the extension wall toward the two shorted sides. These radially outward extended radiation fins not only provide increased heat radiating areas, but also guide airflow produced by a cooling fan to smoothly flow therethrough to carry heat away from the heat radiator in different directions.10-22-2009
20090255658HEAT DISSIPATION MODULE - A heat dissipation module comprises an aluminum cooling block and a copper base. The cooling block has a plurality of fins extending outward radially from the periphery of the cooling block. The base fits with the cooling block. A central recess is disposed at the bottom of the cooling block with at least an elongated through hole piercing the cooling block from the recess to the top of the cooling block. The base fits with the recess and has at least a support leg corresponding to the respective through hole to insert into the respective through hole. The heat dissipation module is less in cost and weight and enables the heat source to transmit to the fins of the cooling block rapidly and effectively.10-15-2009
20090255649Radiating fin - A radiating fin has a flat surface and two rearward extended flanges formed along two opposite edges of the flat surface. The flat surface is formed with a plurality of openings, through which airflow can flow to carry away heat absorbed by the radiating fin. A lug is inward extended from one side of each of the openings adjacent to the flange to locate in the same plane as the flat surface, and a catch in the form of a frame is rearward extended from each of the openings with two lateral sides of the catch spaced from two lateral ends of the lug. When a second radiating fin is connected to a front side of a first radiating fin, the lugs on the first radiating fin are caught in the catches on the second radiating fin, bringing the two radiating fins to firmly assemble together.10-15-2009
20090218082HEAT DISSIPATION MODULE - A heat dissipation module includes a plurality of cooling fins and at least a guide heat pipe. The cooling fins stack to one another with at least a through hole at the respective cooling fin for being penetrated with the guide heat pipe. A projecting annular part is disposed at a side of the respective cooling fin to surround the circumference of the through hole with an indented spot at the periphery of the projecting annular part. The outer side of said guide heat pipe has an elongated recess extending along the length thereof to correspond to the indented spot such that the indented spot is capable of fitting with the recess after the guide heat pipe passing through the through hole respectively to facilitate the subsequent welding job.09-03-2009
20090218073COOLING FIN - A cooling fin provides at least a projection part and at least a slot is disposed at lateral sides for the airflow producing turbulent flows while passing through the slot and creating eddy currents at the periphery of the cooling fin. Therefore, the cold air, which flows between a plurality of cooling fins, can stagnate longer time for carrying more heat outward and enhancing the heat dissipation efficiency greatly.09-03-2009
20090195986Sectional modular heat sink - A sectional modular heat sink is formed from a plurality of stacked modular heat radiating units, each of which is provided on one side along each longitudinal edge with an upright ridge portion having two inclined sidewalls, at least one of which being provided with a groove; and on an opposite side with a channel corresponding to the ridge portion to have two inclined sidewalls, at least one of which being provided with a flange corresponding to the groove on the ridge portion. A plurality of the modular heat radiating units may be sequentially stacked and connected through engagement of the ridge portions and the grooves on a first modular heat radiating unit with the channels and the flanges on a second modular heat radiating unit, respectively, and thereby form a sectional modular heat sink.08-06-2009
20090194253Sectional modular heat sink - A sectional modular heat sink is formed from a plurality of stacked modular heat radiating units, each of which is provided on one side along at least one longitudinal edge with a pair of arm portions, each of which being vertically extended or upward and outward inclined; and on an opposite side with a U-shaped or a V-shaped channel corresponding to the pair of arm portions. A horizontally extended flange is provided along a free edge of each arm portion, and a horizontally extended groove is provided along each of two innermost edges of the channel corresponding to the flanges on the arm portions. When two modular heat radiating units are stacked, the arm portions and the flanges on a first modular heat radiating unit respectively engage with the channel and the grooves on a second modular heat radiating unit to firmly connect the two units to one another.08-06-2009
20090151922Heat pipe and method for forming the same - A heat pipe and a method for forming the same are provided. The method includes: defining a closed end, a closed portion, and a contact section in sequence along a heat pipe to be processed; closing the opening of the closed end and the passage of the closed portion so as to finalize the heat pipe; and cutting axially the contact section into a plurality of equal parts, bending the equal parts outward to assume a divergent shape, thereby providing the contact section with an area for contact with a heat-generating source. Heat is directly transferred from the heat-generating source to the heat pipe via the contact section, thereby enhancing heat dissipation.06-18-2009
20090151909Heat-Dissipating Unit - A heat-dissipating unit is provided. The heat-dissipating unit includes a board. The board is thermally conductive and includes a contact portion planar in shape. The contact portion is in immediate contact with a heat-generating source for the sake of heat transfer. An integrally formed branch portion extends outward from at least one end of the contact portion. With the contact portion being in immediate contact with the heat-generating source, heat is transferred from the heat-generating source to a remote end via the branch portion, thereby enhancing heat dissipation.06-18-2009
20090139692Heat radiating fin - A heat radiating fin includes a flat body having a front side and a rear side, a plurality of protruded portions formed on the front side of the flat body, and a plurality of recessed portions correspondingly formed on the rear side of the flat body behind the protruded portions. The protruded portions on the flat body of a first heat radiating fin are partially extendable into corresponding recessed portions on the flat body of a second heat radiating fin located before the first one, allowing the first and the second heat radiating fins to be easily and stably stacked.06-04-2009
20090139088Method of manufacturing heat radiating fin - In a method of manufacturing heat radiating fin, the technique of plastic working, such as stamping, is employed to apply an external force against a sheet metal material serving as a raw material for forming the heat radiating fin, so that the sheet metal material generates plastic deformation to form a plurality of recessed portions on a front side thereof. Meanwhile, a plurality of protruded portions is correspondingly formed on a rear side of the sheet metal material behind the recessed portions. Any two heat radiating fins so manufactured may be easily stacked and connected together with the protruded portions on a rear or higher heat radiating fin partially extended into the recessed portions on a front or lower heat radiating fin.06-04-2009
20090090489Water-cooling heat-dissipating module of electronic apparatus - A water-cooling heat-dissipating module of an electronic apparatus includes a heat-conducting unit, a driving unit and a dissipating unit. The heat-conducting unit has a function of conducting a heat source. The dissipating unit has a function of dissipating the heat of a fluid. The driving unit has a function of driving the fluid. Via the driving unit, the fluid can be rapidly introduced into or drained out of each unit for circulation, thereby achieving the heat-dissipating effect.04-09-2009

Patent applications by ASIA VITAL COMPONENTS CO., LTD.