FURUI PRECISE COMPONENT (KUNSHAN) CO., LTD. Patent applications |
Patent application number | Title | Published |
20140166246 | HEAT PIPE AND METHOD FOR MANUFACTURING THE SAME - A method for manufacturing a heat pipe includes following steps: providing a tube; providing a rod; inserting the rod in the circular tube, a receiving portion is formed between an inner face of the tube and the upper portion of the rod; providing an amount of metal powder and filling the metal powder into the receiving portion; sintering the metal powder at a high temperature to form a first wick structure adhered on the inner face of the tube and then drawing the rod out of the tube; injecting a working medium into the tube and sealing the tube to form the heat pipe. | 06-19-2014 |
20140166245 | FLAT HEAT SPREADER AND METHOD FOR MANUFACTURING THE SAME - A flat heat spreader includes a hollow casing defining a vapor chamber therein, a working liquid contained in the vapor chamber, a first wick structure formed on an inner face of the casing, and a second wick structure formed on the inner face of the casing. The inner face of the casing includes a bottom face and a top face opposite to the bottom face. A porosity of the first wick structure is less than that of the second wick structure. A method for manufacturing the flat heat spreader is also provided. | 06-19-2014 |
20140166244 | FLAT HEAT PIPE AND METHOD FOR MANUFACTURING THE SAME - An exemplary flat heat pipe includes a hollow tube and a wick structure lining an inner surface of the tube. The tube includes an evaporator section, an adiabatic section and a condenser section defined in turn along a longitudinal direction thereof. The wick structure includes a first wick portion located in the evaporator section, a second wick portion located in the condenser section, and a third wick portion extending longitudinally from the evaporator section, through the adiabatic section to the condenser section and communicating with the first wick portion and the second wick portion. A capillary force of the first wick portion is larger than that of the third wick portion, and a pore density of the first wick portion is less than that of the third wick portion. | 06-19-2014 |
20140158323 | HEAT SINK ASSEMBLY WITH CONNECTING MEMBER PROTRUDING FROM HEAT SINK - An exemplary heat sink assembly includes a heat sink, a connecting member, and a mounting member. A mounting hole and a receiving hole are defined in the heat sink and communicating with each other. The connecting member is adapted for fixing the heat sink. The connecting member includes a connecting section and an extending section extending from the connecting section. The mounting member fixes the connecting member to the heat sink. The connecting section is received in the receiving hole of the heat sink, the extending section is protruding from the heat sink, and the mounting member extends through the mounting hole and engaging with the connecting section to fix the connecting member to the heat sink. | 06-12-2014 |
20140150995 | HEAT PIPE AND METHOD FOR MANUFACTURING THE SAME - An exemplary heat pipe includes a hollow tube, a wick structure configured on an inner surface of the tube and a working medium formed in the tube. Two ends of the tube are sealed and the tube defining a chamber therein. The tube comprises an evaporating section and a condensing section, and the evaporating section is isolated from the condensing section. The wick structure extends from the evaporating section to the condensing section along the inner surface of the tube to form a working medium channel. A pair of through holes is defined in each of the evaporating section and the condensing section of the tube. A pair of metal pipes communicate the through holes of the evaporating section with those of the condensing section to form a pair of vapor channels. A method for manufacturing the heat pipe is also provided. | 06-05-2014 |
20140150993 | BASE WITH HEAT ABSORBER AND HEAT DISSIPATING MODULE HAVING THE BASE - An exemplary base includes a heat absorber and clips attached to the heat absorber. The heat absorber includes a top surface and a bottom surface. A pair of receiving grooves is defined in opposite lateral sides of the heat absorber, respectively. Each receiving groove is located above a level of the bottom surface and below a level of the top surface. Each clip includes a positioning beam. The positioning beam is received in a corresponding one of the receiving grooves with a portion of the heat absorber adjacent to the positioning beam deformed and fixed in the positioning beam thereby fixing the positioning beam in the receiving groove. A heat dissipating module having the base is also provided. | 06-05-2014 |
20140147281 | COOLING FAN WITH ROTOR SHAFT END ABUTTING POLYOXYMETHYLENE TUBE BOTTOM - An exemplary cooling fan includes a base, a central tube formed at the base, a stator, and a rotor being rotatable relative to the stator. The central tube is made of polyoxymethylene. The central tube includes a bottom plate mounted on the base and a peripheral sidewall extending upwardly from a peripheral edges of the bottom plate. The bottom plate and the sidewall cooperatively define a blind hole therebetween. The stator is mounted around the sidewall of the central tube. The rotor includes a hub and a shaft extending from the hub. The shaft includes a free end received in the blind hole and directly abutting the bottom plate. | 05-29-2014 |
20140102671 | FLAT HEAT PIPE - An exemplary flat heat pipe includes a hollow, flattened casing and a first wick structure and a second wick structure received in the casing. The casing includes a top plate and a bottom plate opposite to the top plate. The first wick structure is formed by weaving wires, and the second wick structure is made of sintered metal powder. The first and second wick structures are disposed at inner sides of the bottom and top plates of the casing, respectively. The first and second wick structures contact each other. The casing defines two vapor channels at opposite lateral sides of the combined first and second wick structures, respectively. | 04-17-2014 |
20140060781 | HEAT PIPE AND METHOD FOR MANUFACTUREING THE SAME - An exemplary heat pipe includes a first pipe and a second pipe. The first pipe includes a condenser section and an evaporator section extending from the condenser section along a longitudinal direction thereof. The second pipe encloses the condenser section of the first pipe. The evaporator section is located at an outside of the second pipe. The second pipe includes a casing enclosing the condenser section, second wick structures and working fluid contained in the second wick structures. Opposite ends of each second wick structure are respectively adhered to an inner wall of the casing and an outer periphery of the condenser section. | 03-06-2014 |
20130343003 | HEAT DISSIPATION DEVICE WITH FASTENER AND FLANGE - A heat dissipation device includes a base and a fastener. The fastener includes a neck portion, a head portion formed at one end of the neck portion, and an engaging portion formed at another opposite end of the neck portion. The base defines a receiving portion through the base. The receiving portion includes an inserting hole and a mounting hole communicating with the inserting hole. A flange extends upwardly from the base toward the mounting hole. The engaging portion extends through the inserting hole from a top of the base to make the neck portion enter the inserting hole. The neck portion is then crushed into the mounting hole from the inserting hole. A top face of the head portion abuts the flange, a bottom face of the head portion abuts the base. | 12-26-2013 |
20130340973 | HEAT DISSIPATION DEVICE WITH FASTENER - A heat dissipation device includes a base and a fastener. The fastener includes a neck portion, a head portion formed at one end of the neck portion, and an engaging portion formed at another opposite end of the neck portion. The base defines a receiving portion through the base. The receiving portion includes an inserting hole and a mounting hole communicating with the inserting hole. The engaging portion extends through the inserting hole from a top of the base to make the neck portion enter the inserting hole. The neck portion is then crushed into the mounting hole from the inserting hole. The engaging portion abuts the bottom side of the base at a periphery of the mounting hole. The head portion abuts the top side of the base at the periphery of the mounting hole. | 12-26-2013 |
20130306294 | HEAT DISSIPATION DEVICE WITH FASTENER - A heat dissipation device includes a conductive plate and a fastener. The fastener includes a fastening element and an elastic element coiled around the fastening element. The fastening element includes a pole portion and a head portion formed at one end of the pole portion. The conductive plate defines a supporting portion through the conductive plate. The supporting portion includes a hole and a groove communicating with the hole. A flange protrudes from a circumference of the pole portion. The pole portion enters the groove. The flange abuts a bottom of the conductive plate. The elastic element elastically abuts the top of the conductive plate. | 11-21-2013 |
20130255921 | HEAT PIPE WITH GRID WICK STRUCTURE HAVING RHOMBUSES - An exemplary heat pipe includes a tube, an evaporation section and a condenser section located at two opposite ends of the tube, a grid wick structure received in the tube and abutting an inner wall of the tube, and a working fluid sealed in the tube. The grid wick structure includes a plurality of rhombuses. Each rhombus includes two opposite first included angles, one of the first included angles is at a point of the rhombus nearest one of the ends of the tube, the other first included angle is at a point of the rhombus nearest the other end of the tube. Each first included angle is smaller than 90 degrees. | 10-03-2013 |
20130240179 | HEAT DISSIPATION DEVICE - An exemplary heat dissipation device includes a heat pipe and a fin unit. The heat pipe includes an evaporation section and a condensing section formed at opposite ends thereof, respectively. The fin unit includes plural stacked parallel fins. Each of the fins defines a through hole therein for receiving the condensing section of the heat pipe. A flange extends from a periphery of the through hole. The flange defines two slits to divide the flange into two separate portions. The slits communicate with the through hole. A compressible structure is formed in each fin at opposite sides of the through hole. The compressible structure is aligned with the slits such that when the fin is compressed along a direction transverse to the alignment, the compressible structure is compressed and the separate portions of the flange move toward each other and closely contact the condensing section of the heat pipe. | 09-19-2013 |
20130233522 | HEAT DISSIPATION DEVICE - An exemplary heat dissipation device includes a heat pipe and a fin unit. The heat pipe includes an evaporation section and a condensing section formed at opposite ends thereof, respectively. The fin unit includes plural stacked parallel fins. Each of the fins defines a through hole therein for receiving the condensing section of the heat pipe. A flange extends from a periphery of the through hole. The flange defines two slits to divide the flange into two separate portions. The slits communicate with the through hole. A compressible structure is formed in each fin at opposite sides of the through hole. The compressible structure is aligned with the slits such that when the fin is compressed along a direction transverse to the alignment, the compressible structure is compressed and the separate portions of the flange move toward each other and closely contact the condensing section of the heat pipe. | 09-12-2013 |
20130233520 | FLAT HEAT PIPE - An exemplary flat heat pipe includes a cover, a wick structure and a restricting plate. The cover defines a receiving chamber therein. The wick structure is received in the receiving chamber. The restricting plate is received in the receiving chamber and opposite ends thereof abut against opposite inner surfaces of the cover to divide the receiving chamber into two passages. The restricting plate divides the wick structure into two wick portions, the wick portions are adhered on lateral surfaces of the restricting plate and located at lateral sides of two passages, respectively. | 09-12-2013 |
20130233519 | FLAT HEAT PIPE - An exemplary flat heat pipe includes a cover, a wick structure adhered to part of an inner surface of the cover and working medium contained in the wick structure. The cover defines a receiving chamber therein. The wick structure is received in the receiving chamber and includes an interface surface away from the inner surface of the cover. The interface of the wick structure and the exposed inner surface of the cover cooperatively define a vapor passage therebetween. Vaporized working medium enters the vapor passage only from the interface | 09-12-2013 |
20130056182 | HEAT DISSIPATION DEVICE - A heat dissipation device includes a fan and a heat sink located at the air outlet of the fan. The heat sink includes a first fin set arranged at a central portion of the air outlet, and two second fin sets respectively arranged at a side portion of the air outlet. The first fin set includes a plurality of first fins with a first passage defined between each two neighboring first fins. Each of the second fin sets includes a plurality of second fins with a second passage defined between each two neighboring second fins. Each of the second fin sets defines an undercut near the air outlet of the fan. The first passages communicate with the central portion of the air outlet of the fan. Each of the undercuts of the second fin sets communicates with corresponding side portion and corresponding second passage. | 03-07-2013 |
20130048255 | HEAT DISSIPATION DEVICE - A heat dissipation device includes a housing, a fan mounted within the housing, a fin assembly fixed to the housing and heat pipes attached on the fin assembly. The housing includes a panel and a sidewall extending upwardly from a periphery of the panel. The fin assembly includes first fins and second fins alternately arranged on the panel. The first fins and the second fins each include a plate, an upper flange and a lower flange extending from a top side and a bottom side of the plate, respectively. Each second fin defines a slot in a lateral side of the plate thereof adjacent to the fan. Every two adjacent first fin and second fin define a channel therebetween. Two adjacent channels communicate with each other at inlets thereof via the slot, and separated from each other at outlets thereof via a second fin. | 02-28-2013 |
20130045062 | FASTENER - A fastener includes a bolt, a ring engaged around the bolt, and a coil spring. The bolt includes a head, a threaded engaging portion, a shaft portion between the head and the threaded engaging portion, and a bottom flange extending radially and outwards from an end of the shaft portion connecting the threaded engaging portion. | 02-21-2013 |
20130033878 | HEAT DISSIPATION MODULE AND LED ILLUMINATION DEVICE USING THE SAME - A heat dissipation module includes a plurality of fins. Each fin includes a main body, a bottom bending plate bending from a bottom edge of the main body, a top bending plate bending from a top edge of the main body, and a slick flange folding inwards from an outer edge of the main body. The flange overlaps the main body at the outer edge of a corresponding fin. The present disclosure also relates to an LED illumination device using the heat dissipation module. | 02-07-2013 |
20130032309 | HEAT SINK WITH PROTECTIVE OUTER BUCKLING PLATE - An exemplary heat sink includes a fin group, and a buckling plate. The fin group includes a plurality of first fins, and a second fin coupled to the first fin located at the outmost side. The second fin includes a first body and a first flange bending from a side of the first body. The first flange defines a first buckling hole therein and forms a tab in the vicinity of the first buckling hole. The buckling plate includes a second body and a second flange bending from a side of the second body. The second flange of the buckling plate faces and abuts against the first flange of the second fin. The tab of the second fin extends through the buckling plate to buckle the second fin with the buckling plate together. | 02-07-2013 |
20130014919 | HEAT PIPEAANM DAI; SHENG-LIANGAACI KunShan CityAACO CNAAGP DAI; SHENG-LIANG KunShan City CNAANM LIU; YUEAACI KunShan CityAACO CNAAGP LIU; YUE KunShan City CNAANM SHEN; HAI-PINGAACI KunShan CityAACO CNAAGP SHEN; HAI-PING KunShan City CNAANM CHEN; WEN-HUAACI KunShan CityAACO CNAAGP CHEN; WEN-HU KunShan City CNAANM WU; JIA-HONGAACI Tu-ChengAACO TWAAGP WU; JIA-HONG Tu-Cheng TWAANM LO; YU-LIANGAACI Tu-ChengAACO TWAAGP LO; YU-LIANG Tu-Cheng TW - A heat pipe includes a casing and a plurality of wick layers. The casing has an inner wall. The wick layers stack at an inner surface of the casing in turn. The wick layers respectively define a plurality of pores therein. Diameters of the pores of each of the wick layers gradually decrease from the inner wall to center of the casing. | 01-17-2013 |
20120325452 | HEAT SINK - A heat sink includes a plurality of fins arranged parallel to each other. The fins include a first fin, a second fin, a third fin, a fourth fin, and a plurality of middle fins sandwiched between the third fin and the fourth fin. The first fin is at an outmost side of the heat sink. The first fin has a protrusion. The second fin is located at an opposite outmost side of the heat sink. The third fin is adjacent to the first fin. The protrusion of the first fin abuts against the third fin. The fourth fin is adjacent to the second fin and has a protrusion to abut against the second fin. The middle fins being flat with no protrusions. | 12-27-2012 |
20120325431 | HEAT DISSIPATION DEVICE WITH FAN HOLDER - A heat dissipation device adapted for dissipating heat generated by an electronic component mounted on a printed circuit board. The heat dissipation device includes a heat sink attached to the electronic component, a fan, and a fan holder. The fan includes a frame and a rotor received in the frame. The fan holder mounts the fan onto the heat sink and includes a base fixed on the heat sink, four clasps extending upward from four corners of a top surface of the base, and four elastic portions corresponding to the clasps and configured to resiliently urge the frame of the fan. The frame of the fan is arranged on the base of the fan holder and sandwiched between the clasps and the elastic portions. | 12-27-2012 |
20120318482 | HEAT DISSIPATION DEVICE WITH HEAT PIPE - An exemplary heat dissipation device includes a heat pipe and a fin assembly. The heat pipe includes a main body and an end portion. The end portion has a width smaller than that of the main body. The fin assembly includes a first fin and a second fin adjoining to the first fin. The first fin forms a flange from a side of thereof. The second fin forms a flange from a side of thereof. The flange of the first fin has an extending portion overlapping and soldering to the flange of the second fin. The extending portion defines a number of through holes corresponding to the flange of the second fin. The end portion of the heat pipe is soldered to the extending portion of the first fin and soldered to the flange of the second fin by the through holes of the extending portion. | 12-20-2012 |
20120316096 | PAINT STRIPPER - A paint stripper composition includes from about 70 to about 76 percent by volume of methylene chloride, from about 10 to about 14 percent by volume of isopropanol, from about 5 to about 8 percent by volume of formic acid, from about 1.5 to about 2.5 percent by volume of OP-10, from about 1 to about 2.5 percent by volume of phenol, and from about 2 to about 4 percent by volume of ozocerite, based upon 100 percent by volume of the total composition. | 12-13-2012 |
20120247815 | FASTENER AND ELECTRONIC ASSEMBLY HAVING THE SAME - An exemplary fastener includes a connecting member and a protecting member. The connecting member includes a head, and a connecting portion extending down away from the head. The protecting member includes a first engaging portion and a second engaging portion extending from the first engaging portion. The first and second engaging portions are coaxial. The connecting portion of the connecting member extends through the second engaging portion, the head of the connecting member is surrounded by the first engaging portion of the protecting member with a bottom surface of the head abutting a top end of the second engaging portion. A top end of the first engaging portion is above a top surface of the head and defines a receiving space above the head. The receiving space is adapted for receiving a tool therein. | 10-04-2012 |
20120241134 | HEAT DISSIPATION DEVICE WITH GUIDING LINE AND SOLDERED HEAT PIPE - A heat dissipation device with guiding line and soldered heat pipe includes a heat pipe and a heat sink. The heat pipe includes a condenser section and an evaporator section. The condenser section has a planar outer surface. The heat sink includes a supporting surface contacting the outer surface of the condenser section. A guiding line is defined in the supporting surface for spreading solder therealong. The guiding line has a width smaller than a width of the outer surface of the condenser section. The condenser section of the heat pipe is mounted on the supporting surface of the heat sink along the guiding line and firmly connected to the heat sink by the solder. | 09-27-2012 |
20120236567 | LED LAMP - An LED lamp includes a heat sink, a reflecting cup, a heat pipe and an LED. The heat sink includes fins cooperatively defining a receiving space therein. Each of the fins includes a plate-shaped main body and a flange extending rearward from a periphery side of the main body. The flanges are connected to each other to cooperatively form an annular supporting surface. The reflecting cup is received in the receiving space of the heat sink. The heat pipe includes an evaporating section located above the reflecting cup and a condensing section thermally connecting with the annular supporting surface of the heat sink. The LED is directly mounted on the evaporating section with a light emitting surface facing downwardly towards the reflecting cup. | 09-20-2012 |
20120234901 | MANUFACTURING METHOD OF A HEAT DISSIPATION DEVICE WITH GUIDING LINES AND SOLDERED HEAT PIPES - An exemplary method of manufacturing a heat dissipation device includes, firstly, providing a heat pipe including a condenser section having a planar outer surface, and providing a heat sink including a supporting surface defining a guiding line. The guiding line has a width smaller than a width of the outer surface of the condenser section. Next, an amount solder is spread on the supporting surface along the guiding line to form a solder layer on the supporting surface. The solder layer has a size not larger than a size of the outer surface of the condenser section. Then the outer surface of condenser section of the heat pipe is attached to the solder layer on the supporting surface of the heat sink. | 09-20-2012 |
20120111540 | FLAT TYPE HEAT PIPE AND METHOD FOR MANUFACTURING THE SAME - An exemplary flat type heat pipe includes a hollow, flattened casing and a first wick structure and a second wick structure received in the casing. The casing includes a top plate and a bottom plate opposite to the top plate. The first wick structure includes a plurality of spaced protruding portions and grooves between every two adjacent protruding portions. The second wick structure is made of sintered metal powder. The first and second wick structures are disposed at inner sides of the bottom and top plates of the casing, respectively. The first and second wick structures contact each other. The casing defines two vapor channels at opposite lateral sides of the combined first and second wick structures, respectively. | 05-10-2012 |
20120111539 | FLAT HEAT PIPE AND METHOD FOR MANUFACTURING FLAT HEAT PIPE - An exemplary flat heat pipe includes a hollow, flattened casing and a first wick structure and a second wick structure received in the casing. The casing includes a top plate and a bottom plate opposite to the top plate. The first wick structure is folded by a steel sheet with a plurality of pores, and the second wick structure is made of sintered metal powder. The first and second wick structures are disposed at inner sides of the bottom and top plates of the casing, respectively. The first and second wick structures contact each other. The casing defines two vapor channels at opposite lateral sides of the combined first and second wick structures, respectively. | 05-10-2012 |
20120043058 | HEAT DISSIPATION DEVICE - An exemplary heat dissipation device includes a centrifugal fan comprising an air outlet, a fin assembly arranged at the air outlet, and a heat pipe comprising an evaporating section and a condensing section. The fin assembly comprises fins. The fins are stacked together with one above another along a central axis of the centrifugal fan. Each of the fins has at least a flange bent at a lateral side thereof. The flanges of the fins abut against each other and form a side face parallel to the central axis of the centrifugal fan. The condensing section is attached to and thermally contacts the side face of the fin assembly. | 02-23-2012 |
20110297356 | HEAT DISSIPATION DEVICE - An exemplary heat dissipation device includes a heat pipe and a fin unit. The heat pipe includes an evaporation section and a condensing section formed at opposite ends thereof, respectively. The fin unit includes plural stacked parallel fins. Each of the fins defines a through hole therein for receiving the condensing section of the heat pipe. A flange extends from a periphery of the through hole. The flange defines two slits to divide the flange into two separate portions. The slits communicate with the through hole. A compressible structure is formed in each fin at opposite sides of the through hole. The compressible structure is aligned with the slits such that when the fin is compressed along a direction transverse to the alignment, the compressible structure is compressed and the separate portions of the flange move toward each other and closely contact the condensing section of the heat pipe. | 12-08-2011 |
20110280652 | STRUCTURE WITH PLURAL COMPONENTS - An exemplary structure includes a first body, a second body and a screw. The screw includes a head and an elongated pole extending from the head. Plural external threads are formed on the pole. The first body defines a through hole with a diameter not smaller than the major diameter of the external threads. The second body defining a latching hole comprising a first portion adjacent to the first body and a second portion farthest away the first body. Plural internal threads matching the external threads are formed on the second body around the first portion. A diameter of the second portion is larger than the major diameter of the external threads. The pole extends through the through hole and threadedly engaged with the internal threads. A free end of the pole farthest away the head is received in the second portion and apart from the second body. | 11-17-2011 |
20110277964 | FLAT HEAT PIPE AND METHOD FOR MANUFACTURING THE SAME - An exemplary flat heat pipe includes a hollow, flattened casing and a first wick structure and a second wick structure received in the casing. The casing includes a top plate and a bottom plate opposite to the top plate. The first wick structure is formed by weaving wires, and the second wick structure is made of sintered metal powder. The first and second wick structures are disposed at inner sides of the bottom and top plates of the casing, respectively. The first and second wick structures contact each other. The casing defines two vapor channels at opposite lateral sides of the combined first and second wick structures, respectively. A method for manufacturing the heat pipe is also provided. | 11-17-2011 |
20110253357 | HEAT SINK PROVIDING REDISTRIBUTED AIRFLOW THERETHROUGH - An exemplary heat sink includes elongated fins stacked together. Each of the fins includes a first dissipating portion and a second dissipating portion arranged in turn along a longitudinal axis of the fin. The first dissipating portion and the second dissipating portion of each fin are offset from each other along a stacked axis of the fins. An opening is defined in each fin between the first dissipating portion and the second dissipating portion thereof. | 10-20-2011 |
20110235301 | HEAT DISSIPATION APPARATUS AND ELECTRONIC ASSEMBLY WITH SAME - A heat dissipation apparatus includes a base plate and a plurality of fasteners. A plurality of mounting arms extends outwardly from the base plate. Each mounting arm defines a through hole therein. An inner thread is formed on an inner surface of each through hole. Each fastener includes a main post, a cap formed at a top of the main post, and an engaging portion formed at a bottom of the main post. A retaining thread is formed on an outer surface of the main post adjacent the engaging portion. The retaining thread matches the inner thread of the through hole of the corresponding mounting arm. The retaining thread is passable through the through hole of the mounting arm by threadingly passing the retaining thread through the inner thread of the through hole of the mounting arm whereupon the fastener remains preassembled in the through hole. | 09-29-2011 |
20110174466 | FLAT HEAT PIPE - An exemplary flat heat pipe with an evaporator section and a condenser section includes a casing, and a first wick structure and a second wick structure in the casing. The casing defines a first vapor channel within the evaporator section. The first wick structure contacts an inner surface of the casing at the condenser section. The first wick structure includes a contact portion in contact with the inner surface of the casing, and an isolated portion from the inner surface of the casing. The isolated portion and the inner surface of the casing cooperatively define therebetween a second vapor channel in communication with the first vapor channel. The second wick structure contacts the inner surface of the casing at the evaporator section. The second wick structure joins the first wick structure at a joint between the evaporator section and the condenser section. | 07-21-2011 |
20110174465 | FLAT HEAT PIPE WITH VAPOR CHANNEL - An exemplary flat heat pipe with an evaporator section and a condenser section includes a hollow casing, and a first wick structure and a second wick structure in the casing. The second structure contacts an inner surface of the casing at the evaporator section. The first structure at the evaporator section includes a first contact portion contacting an inner surface of the second structure, and a first isolated portion from the inner surface of the second structure. The first isolated portion and the inner surface of the second structure define a first channel therebetween. The first structure at the condenser section includes a second contact portion contacting the inner surface of the casing, and a second isolated portion from the inner surface of the casing. The second isolated portion and the inner surface of the casing define therebetween a second channel communicating with the first channel. | 07-21-2011 |
20110174464 | FLAT HEAT PIPE AND METHOD FOR MANUFACTURING THE SAME - An exemplary flat heat pipe with an evaporator section and a condenser section at opposite ends thereof includes a hollow flat casing, a first wick structure and a solid and sintered second wick structure. The first wick structure includes a top plate and a bottom plate opposite to the top plate. The first wick structure is received in the casing, and extends from the evaporator section to the condenser section. The second wick structure is disposed in the casing at the evaporator section. The second wick structure contacts the top and bottom plates and joins the first wick structure. A method for manufacturing the heat pipe is also provided. | 07-21-2011 |
20110135464 | FAN - A fan includes a base and an impeller rotatably mounted on the base. The base protrudes a tube outwardly therefrom. The tube defines a receiving hole therein for receiving a bearing. The bearing defines a bearing hole therein. The impeller protrudes a shaft therefrom towards the base. The shaft is rotatably received in the bearing hole. The fan further includes a gasket located at a bottom of the bearing and clipped on a free end of the shaft. The gasket includes a first surface and an opposite second surface. The first surface is a smooth surface and facing directly the bottom surface of the bearing. The second surface is a rough surface relative to the first surface. At least one of the first surface and the second surface is provided with a mark to differentiate the rough second surface from the smooth first surface. | 06-09-2011 |
20110048679 | HEAT DISSIPATION DEVICE - A heat dissipation apparatus includes a flat heat pipe and a plurality of fins stacked together. Each fin defines a substantially rectangular-shaped receiving hole therein for receiving a condenser section of the flat heat pipe and a small-sized accommodating hole therein for accommodating a solder paste. A combining sidewall extends from an edge of the receiving hole, and includes elongated top and bottom planar plates, and a short plate extending from one end of the bottom planar plate towards the top planar plate. The accommodating hole is located at a junction of the top planar plate and the short plate. The solder paste accommodated in the accommodating hole is melted to flow into the receiving hole to fill up a clearance between the flat heat pipe and the combining sidewall to combine the flat heat pipe and the fins together. | 03-03-2011 |
20110005728 | HEAT DISSIPATION MODULE - A heat dissipation module comprises a heat pipe forming a condensing section, and a first fin unit and a second fin unit contacting with the condensing section of the heat pipe. The first and second fin units are located neighboring to each other and have different heights. The first and second fin units each comprise a plurality of fins stacked together. A protruding member protrudes from one of the fins of one of the first and second fin units to abut a corresponding neighboring one of the fins of the other one of the first and second fin units, to thereby separate the first fin unit and the second fin unit to limit relative movement of the first fin unit and the second fin unit in a protruding direction of the protruding member. | 01-13-2011 |
20110005726 | HEAT DISSIPATION DEVICE AND MANUFACTURING METHOD THEREOF - A heat dissipation device includes a heat pipe and a heat sink. The heat pipe includes a condenser section and an evaporator section. The condenser section has a planar outer surface. The heat sink includes a supporting surface for contacting the outer surface of the condenser section. A guiding line is defined in the supporting surface for spreading a solder therealong. The guiding line has a width smaller than a width of the outer surface of the condenser section. The condenser section of the heat pipe is mounted on the supporting surface of the heat sink along the guiding line and firmly connected to the heat sink by the solder. | 01-13-2011 |
20100307720 | HEAT PIPE - A heat pipe includes a casing and a supporting member. The casing is made of titanium and has a first end and a second end at two opposite sides thereof. The first end defines a receiving space therein. The supporting member is made of a material selected from one of copper, aluminum, stainless steel, low-carbon steel, iron, nickel, tungsten, tantalum, molybdenum, rhenium and columbium. The supporting member is received in the receiving space of the first end of the casing. The first end of the casing and the supporting member are integrally cramped and sealed. | 12-09-2010 |
20100300655 | HEAT PIPE - A heat pipe includes a tube body and a sealing member. The tube body is made of titanium and has a sealed end and an open end at two opposite ends of the tube body. The sealing member is attached to the open end and seals the open end of the tube body. The sealing member is made of a material selected from one of copper, aluminum, stainless steel, low-carbon steel, iron, nickel, tungsten, tantalum, molybdenum, rhenium and columbium. The sealing member seals the open end. | 12-02-2010 |
20100263834 | HEAT DISSIPATION DEVICE - A heat dissipation device includes a chamber, a tube, a wick structure and a plurality of fins arranged around the tube. The chamber includes a base and a cover hermetically connected to the base. An evaporation room is defined between the base and the cover of the chamber. The tube extends upwardly from the cover of the chamber, and defines a condensation room communicating with the evaporation room. The wick structure is immerged with working fluid, and includes a main portion disposed in the evaporation room and a projection extending from the main portion into the condensation room. | 10-21-2010 |
20100236760 | HEAT PIPE - A heat pipe includes a casing having an inner wall. A plurality of protrusions are radially formed on the inner wall of the casing. The plurality of protrusions are spaced from each other and extend longitudinally from one end of the casing to the other end of the casing. A main groove is defined between every two adjacent protrusions. The protrusions each define a plurality of first auxiliary grooves and a plurality of second auxiliary grooves being alternatively arranged with respect to each other along a longitudinal direction of the casing. The first auxiliary and the second auxiliary grooves each communicate two adjacent main grooves. The first auxiliary grooves each are inclined at an angle with respect to a longitudinal axis of the casing, and the second auxiliary grooves each are inclined at another different angle with respect to the longitudinal axis of the casing. | 09-23-2010 |
20100212871 | HEAT PIPE AND MANUFACTURING METHOD THEREOF - A heat pipe includes a sealed hollow casing, a wick structure lining an inner surface of the casing and a working medium contained in an interior of the casing. The casing includes an elongated main body having an elongated opening extending axially in the main body and a transparent cover fixed onto the main body and sealing the opening of the main body. The wick structure is provided by only lining an inner surface of the main body of the casing. | 08-26-2010 |
20100212870 | FLAT HEAT PIPE - A flat heat pipe includes a casing and a wick structure received in the casing. The casing has a first lateral portion and a second lateral portion. Each of the first lateral portion and the second lateral portion has a C-shape configuration, and the second lateral portion has an opening facing an opening of the first lateral portion. The wick structure is attached to an inner surface of only one of the first and lateral portions of the casing. The inner surface of the other of the first and second lateral portions without the wick structure attached thereto defines a first vapor channel, and an inner surface of the wick structure defines a second vapor channel. The first vapor channel has a height greater than the second vapor channel. | 08-26-2010 |
20100181048 | HEAT PIPE - A heat pipe includes a casing and a three-dimensional cross-linkage wick structure received in the casing. The three-dimensional cross-linkage wick structure has a plurality of pores therein for providing a capillary action and includes a bottom layer being attached to the casing and a plurality of protrusions extending from the bottom layer and spaced from each other. A groove is defined between two adjacent protrusions. The bottom layer has a connecting portion under the groove. The connection portion is formed between and connects with the two adjacent protrusions. The connection portions have a smaller pore size than the protrusions. | 07-22-2010 |
20100157541 | HEAT SINK AND ELECTRONIC DEVICE USING SAME - An electronic device includes a shell, an electronic component received in the shell, and a heat sink arranged between the electronic component and the shell. The heat sink includes a first heat spreader attaching to the electronic component, a second heat spreader spaced from the first heat spreader, and a plurality of fins between the first and second heat spreaders. Each fin includes a pair of contacting portions, a pair of bending portions and a connecting portion each of which being flat. The contacting portions are respectively connected to the two heat spreaders. The bending portions respectively extend from the contacting portions towards each other. Each bending portion forms a rear end adjacent to the other bending portion. The connecting portion interconnects the rear ends of the bending portions at opposite ends thereof. | 06-24-2010 |
20100155032 | HEAT PIPE AND METHOD OF MAKING THE SAME - A heat pipe includes a longitudinal casing, a main wick structure, at least one auxiliary wick structure and a working fluid contained in the casing and saturating the main wick structure and the at least one auxiliary wick structure. The main wick structure is received in the casing and attached to an inner surface of the casing. The at least one auxiliary wick structure is received in the main wick structure. An inner peripheral surface of the main wick structure and an outer peripheral surface of the at least one auxiliary wick structure cooperatively define a vapor channel therebetween. At least one end of the at least one auxiliary wick structure is fixed on a corresponding end of the casing. | 06-24-2010 |
20100155031 | HEAT PIPE AND METHOD OF MAKING THE SAME - A heat pipe includes a casing, a main wick structure received in the casing and attached to an inner surface of the casing, a multi-layered auxiliary wick structure received in the main wick structure and a working fluid contained in the casing and saturating the main wick structure and the auxiliary wick structure. An inner peripheral surface of the main wick structure and an outer peripheral surface of the auxiliary wick structure cooperatively define a vapor channel therebetween. The auxiliary wick structure extends along a longitudinal direction of the casing and defines a liquid channel therein. The auxiliary wick structure is formed by a plurality of layers radially stacked on each other, such that each outer layer is attached around an adjacent inner layer. | 06-24-2010 |
20100155030 | THERMAL MODULE - A thermal module includes a blower, a fin unit and a heat pipe. The blower includes a housing and an impeller received in the housing. The housing defines an air inlet and an air outlet perpendicular to the air inlet. The fin unit is arranged at the air outlet of the blower. The heat pipe includes a tube defining a chamber, and a wick structure disposed in the chamber. The heat pipe forms an evaporation section and a condensation section attaching to the fin unit. At least one contacting member is depressed inwardly from the evaporation section of the heat pipe for accommodating an electronic component therein. A depth of the chamber at the at least one contacting member is less than that at other portion of the evaporation section of the heat pipe without the at least one contacting member. | 06-24-2010 |
20100142146 | CENTRIFUGAL FAN AND ELECTRONIC DEVICE USING SAME - A centrifugal fan includes a housing and an impeller. The housing includes a base plate, a side plate extending upwardly from a periphery of the base plate and a concave portion depressed downwardly from a central portion of the base plate. The concave portion includes a bottom wall spaced from the base plate and a side wall interconnects with the base plate. An air inlet is defined in the bottom wall. The impeller includes a hub and a plurality of blades extending radially from the hub. The impeller is rotatably arranged on the bottom wall of the concave portion. A bottom face of each of the blades extends into the concave portion. | 06-10-2010 |
20100139895 | THERMAL MODULE - A thermal module includes a blower, a fin unit and a heat pipe. The blower includes a base, a cover, a sidewall between the base and the cover, and an impeller arranged among the base, the cover and the sidewall. An air outlet is defined in the sidewall of the blower. The fin unit is arranged at the air outlet. The heat pipe has a contacting plate integrally formed with one of the base and the cover of the blower. The contacting plate of the heat pipe includes a dissipating surface attaching to the fin unit, and an absorbing surface with different portions adapted for contacting with electronic components, wherein the different portions of the absorbing plate being at different levels. | 06-10-2010 |
20100103616 | ELECTRONIC DEVICE WITH CENTRIFUGAL FAN - An electronic device includes a shell and a centrifugal fan. The shell includes a top wall, a bottom wall parallel to the top wall, and a sidewall perpendicular to the top wall and the bottom wall. The centrifugal fan is arranged between the top wall and the bottom wall. The centrifugal fan defines a first inlet facing the top wall and a second inlet facing the bottom wall. The first inlet and the second inlet are slantwise to the top wall and the bottom wall of the shell. | 04-29-2010 |
20100092282 | CENTRIFUGAL FAN - A centrifugal fan includes a top cover plate, a bottom plate, a sidewall and an impeller. The sidewall is defined with an air outlet. The impeller includes a hub and a plurality of blades extending radially outwardly from the hub. An air passage channel is defined between outmost free ends of the blades and an inner surface of the sidewall. A tongue is provided near the air outlet and protrudes inwardly and laterally from the inner surface of the sidewall towards the outmost free ends of the blades. The tongue has an outer surface facing the outmost free ends of the blades. A plurality of grooves is defined in the outer surface along a lengthwise direction of the tongue. | 04-15-2010 |
20100073864 | HEAT DISSIPATION DEVICE AND COMPUTER USING SAME - A heat dissipation device includes a fin unit, a heat spreader and a heat isolation layer. The heat spreader contacts the fin unit and transfers heat to the fin unit for dissipation. The heat isolation layer is coated on an outer surface of the heat dissipation device. The heat isolation layer is polyurethane foam. | 03-25-2010 |
20100071875 | HEAT DISSIPATION DEVICE AND CENTRIFUGAL FAN THEREOF - A centrifugal fan includes a housing and a plurality of blades received in the housing. The housing includes a base wall and a sidewall surrounding the base wall. The sidewall defines a first air outlet and a second air outlet adjacent to the first air outlet. An elongated air guiding plate is located between the first air outlet and the second air outlet. The air guiding plate includes an outer end away from the blades and an inner end adjacent to the blades. A height of the inner end of the air guiding plate in an axial direction of the centrifugal fan is smaller than a height of the outer end of the air guiding plate. | 03-25-2010 |
20100053884 | HEAT DISSIPATION DEVICE AND COMPUTER USING SAME - A heat dissipation device includes a fin unit, a fan and a fan duct. The fin unit includes a plurality of fins stacked together. An airflow channel is defined between each two neighboring fins. The fan includes an air inlet and an opposite air outlet. The fan duct communicates the airflow channels of the fin unit and the fan. The fan duct includes a first flue connected to the air inlet of the fan and a second flue connected to the fin unit. The second flue includes a first side plate and a second side plate covering on two neighboring sides of the fin unit, respectively. | 03-04-2010 |
20100040456 | CENTRIFUGAL FAN - A centrifugal fan includes a plurality of blades, a casing and a tongue. The casing includes a base plate perpendicular to a rotation axis of the blades and a sidewall extending upwardly from the base plate. The base plate and the sidewall cooperatively define a space for receiving the blades therein. The sidewall defines an opening in one side for functioning as an air outlet. An air channel is defined between outmost ends of the blades and the sidewall. The tongue is detachably mounted to one end of the sidewall adjacent to the air outlet. The tongue includes a guiding surface protruding towards the outmost ends of the blades. The tongues is provided for lowering a noise level of the centrifugal fan during operation. | 02-18-2010 |
20090303682 | PORTABLE ELECTRONIC DEVICE INCORPORATING CENTRIFUGAL BLOWER - An electronic device includes a casing and a centrifugal blower. The casing includes a bottom cover and a top cover. A sidewall extends from the bottom cover towards the top cover. The centrifugal blower is surrounded by the sidewall and includes a supporting member mounted to the bottom cover, and an impeller rotatablely supported by the supporting member. The impeller includes a hub and a plurality of blades extending outwardly from the hub. Outer portions of the blades extend beyond the supporting member along a radial direction of the hub. Inner portions of the blades have a height gradually increasing along an outward direction. The outer portions have a height equal to a maximum height of the inner portions. Bottom faces of the outer portions of the blades are located below a top surface of a base plate of the supporting member. | 12-10-2009 |
20090290307 | CENTRIFUGAL BLOWER AND ELECTRONIC DEVICE INCORPORATING THE SAME - A centrifugal blower includes a housing, a stator and a rotor. The housing includes a base plate defining an air inlet therein and a sidewall extending upwardly from a periphery of the base plate. The sidewall defines an air outlet therein. The base plate includes a supporting portion disposed in the air inlet. The supporting portion protrudes downwardly beyond a bottom surface of the base plate and connects with the base plate via a plurality of ribs extending radially outwardly and upwardly from a periphery of the supporting portion toward the base plate. The stator is mounted on the supporting portion and the rotor is rotatably disposed around the stator. | 11-26-2009 |
20090257883 | COOLING FAN IMPELLER - An impeller of a centrifugal fan includes a hub and a plurality of blades arranged on and around the hub. Each of the blades includes a root portion and a tip portion. The tip portion of each of the blades has a concave surface and a convex surface in rear and front sides thereof respectively. In a rotational direction of the impeller, the tip portion of a rear blade protrudes towards a front blade. | 10-15-2009 |
20090133855 | HEAT DISSIPATION DEVICE AND ASSEMBLY METHOD THEREOF - A heat dissipation device includes a heat pipe having a condenser section and a layer of solid-state solder film on an exterior surface of the condenser section, a heat sink having a plurality of spaced fins, each of which has an aperture. The condenser section of the heat pipe fits into the apertures of the fins. The heat sink with the condensing section received therein is heated and the solid-state solder film melts, filling gaps between the heat pipe and the fins. A method of assembling the device is also provided. | 05-28-2009 |