Class / Patent application number | Description | Number of patent applications / Date published |
029890032 | Heat pipe device making | 42 |
20080216318 | METHOD FOR MANUFACTURING HEAT PIPE AND CAPILLARY STRUCTURE THEREON - A method for manufacturing a heat pipe and a capillary structure thereon is provided, and the steps of the method are as follows. A hollow pipe which has an open end and a closed end is provided. A mold is placed into the hollow pipe through the open end. The mold includes a central rod and a shaping component mating with the central rod, and the shaping component has an outward shaping surface. A powder is filled into the space between the hollow pipe and the mold through the open end and then sintered to form a capillary structure on the inner wall of the hollow pipe, in which the capillary structure has a profile corresponding to the shaping surface of the shaping component. Thereafter, the central rod and the shaping component are sequentially taken out of the hollow pipe. | 09-11-2008 |
20080222890 | ANTI-BREAKING STRUCTURE FOR END CLOSURE OF HEAT PIPE - An anti-breaking structure of an end closure of a heat pipe is formed at a tapered end of the heat pipe, and a soldering joint is formed at an upper end of the anti-breaking structure. The anti-breaking structure includes an uneven rib coupled longitudinally between the tapered end and the soldering joint, and two wing portions extended outward from the left and right outer sides of the uneven rib, and one surface of the uneven rib is convex and another backside surface of the uneven rib is concave, and both uneven rib and wing portions are formed by pressing the heat pipe to constitute the anti-breaking structure. | 09-18-2008 |
20080301943 | Method of combining heat pipe and fins and the assembly thereof - The present invention provides a method of combining heat pipes and fins and the assembly thereof. The fins are stacked, each of which has holes, extending walls around the holes, lateral plates beside the extending walls to form a receiving portion therein communicated with a first opening of the extending wall respectively. The fins are placed with the receiving portions under the holes first. A solder material is injected into the receiving portions by a needle. The heat pipes are inserted into the holes of the fins, and then the fins are tipped over to have the receiving portions above the holes. Now the fins are heated to melt the solder material, and the molten solder material will flow to spaces between the heat pipe and the extending walls of the fins to fix the heat pipes to the fins. | 12-11-2008 |
20080307651 | HEAT PIPE DISSIPATING SYSTEM AND METHOD - In one embodiment of the disclosure, a heat pipe device for dissipating heat from a heat source includes a porous wick structure having a first porous wick portion disposed adjacent to a second porous wick portion. The first porous wick portion is defined by a first set of microgrooves. The second porous wick portion is defined by a second set of microgrooves disposed in non-parallel adjacent alignment to the first set of microgrooves. The heat pipe device may be disposed within a closed chamber enclosure to which the heat source is attached. In further embodiments, methods are disclosed for manufacturing devices for dissipating heat from a heat source, and for using devices to dissipate heat from a heat source. | 12-18-2008 |
20090188110 | MICRO HEAT PIPE WITH POLIGONAL CROSS-SECTION MANUFACTURED VIA EXTRUSION OR DRAWING - A method for fabricating a metal micro heat pipe with a polygonal cross-section to allow working fluid to flow by capillary force generated at edges of the polygonal of the micro heat pipe. The polygonal cross-section is formed of a single metal layer via a single drawing process. The micro heat pipe is formed of a single metal plate. | 07-30-2009 |
20090211095 | Microgrooves as Wick Structures in Heat Pipes and Method for Fabricating the Same - Microgrooves (<0.2 mm wide) of various shapes used as wick structures in heat pipes can increase the capillary force to overcome the gravitational force on the working fluid so as to enable large working angles for the heat pipes. The microgrooves can be fabricated by two sequential steps use a first plowshare-like blade to turn up the material for large size grooves and then immediately use a second plowshare-like blade to rebury by the previously turned up material. The microgrooves and the fabrication method can be used to manufacture flat heat pipes (vapor chambers) as well as tubular heat pipes. | 08-27-2009 |
20090249625 | METHOD FOR JOINTING A SEMICONDUCTOR ELEMENT AND A HEAT PIPE - An exemplary method for jointing a semiconductor element and a heat pipe includes: providing a heat pipe shell which has an open end; forming a capillary structure layer on an inner wall of the heat pipe shell; jointing a semiconductor element with the heat pipe shell by metal jointing; injecting a working fluid into the heat pipe shell and discharging air or gas from the heat pipe shell; and sealing the open end of the heat pipe shell. | 10-08-2009 |
20090288294 | Method 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 |
20090313828 | Method For Manufacturing Evaporator For Loop Heat Pipe System - Provided is a method of manufacturing an evaporator for a loop heat pipe system including a condenser, a vapor transport line, and a liquid transport line, and more particularly, to a method of manufacturing an evaporator for a loop heat pipe system which provides a simple manufacturing process capable of improving a contact state between a sintered wick and a heating plate. | 12-24-2009 |
20100077614 | METHOD FOR MANUFACTURING A WICK STRUCTURE OF A PLATE-TYPE HEAT PIPE - A method for manufacturing a wick structure of a plate-type heat pipe involves providing a base plate with a heat absorbing plate and two extending plates extending from opposite ends, providing a mold covering the base plate and with a first engaging portion corresponding to the heat absorbing plate and two second engaging portions corresponding to the extending plates, and filling metal powder into a gap between the mold and the base plate. The metal powder is heated to obtain a wick structure having one part adhered to a top surface of the heat absorbing plate and two other parts adhered to top surfaces of the extending plates of the base plate. The part of the wick structure adhered to a top surface of the heat absorbing plate has a thickness smaller than that of the other parts. | 04-01-2010 |
20100229394 | METHOD FOR FABRICATING WICK MICROSTRUCTURES IN HEAT PIPES - The invention provides a method for fabricating wick microstructures in heat pipes, comprising the following steps: providing a flat plate and a mold with several molding holes; filling a dry powder material in the several molding holes and putting the mold to cover the flat plate so as to form an object to be sintered; sintering the object; and removing the mold to form a flat plate with wick microstructures. The wick microstructures are arranged on the flat plate in a form of microgrooves, microcylinders or any combination of them. The flat plate with wick microstructures is further processed to form a heat pipe with a characteristic shape and having two kinds of wick microstructures such that the heat transferred by the heat pipe is increased and the occurrence of dry out of the heat pipe is delayed. | 09-16-2010 |
20100307003 | VAPOR CHAMBER STRUCTURE WITH IMPROVED WICK AND METHOD FOR MANUFACTURING THE SAME - A vapor chamber structure includes a casing, a working fluid, and an improved wick layer. The casing has an airtight vacuum chamber. The working fluid is filled into the airtight vacuum chamber. The wick layer is formed on a surface of the airtight vacuum chamber. Therefore, the present invention can increase the backflow velocity of the working fluid and improve the boiling of the working fluid due to the match of the improved wick structure. Because the backflow velocity and boiling of the working fluid is increased, the heat-transmitting efficiency is increased. | 12-09-2010 |
20110047796 | METHOD FOR MANUFACTURING HEAT PIPE WITH ARTERY PIPE - An exemplary method for manufacturing a heat pipe includes the following steps: providing a tube, a mandrel and an artery pipe, the tube defining an opening at one end thereof, a wick structure being positioned on an inner surface of the tube, a slot being defined in an outer surface of the mandrel; inserting the mandrel and the artery pipe into the tube via the opening, the artery pipe being received in the slot; baking the tube with the mandrel and the artery pipe to make the artery pipe join the wick structure; drawing the mandrel out of the tube via the opening; and injecting a working media into the tube, and evacuating and sealing the tube. | 03-03-2011 |
20110094104 | METHOD FOR CONNECTING HEAT PIPES AND A HEAT SINK - A method for connecting heat pipes and a heat sink comprises the steps of drilling a set of through holes through a heat dissipating base slab, implanting heat pipes through the through holes, integrating the heat-dissipating base slab with the heat pipes by punching using a press machine, and bending and twisting the heat pipes according to a predetermined angle and shape, whereby a set of radiation fins will be connected. The heat radiating device thereby produced is used on electronic elements. | 04-28-2011 |
20110314674 | METHOD 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 |
20120011720 | HEAT PIPE MANUFACTURING METHOD - A heat pipe manufacturing method includes the steps of: providing a partially formed heat pipe with one open end; pouring a predetermined quantity of fluid working media into an intermediate pipe; solidifying the working media at a low temperature; inserting the solidified working media into the partially formed heat pipe; and vacuumizing and sealing the partially formed heat pipe. | 01-19-2012 |
20120060371 | METHOD FOR MANUFACTURING TWO-PHASE FLOW HEAT SINK - The present invention relates to a method for manufacturing a two-phase flow heat sink. The two-phase flow heat sink comprises an evaporation chamber and a capillary layer. The material of the capillary layer, which has at least a porous structure, is cooled and disposed on the inner side of the evaporation chamber from a melted state. The method first sprays the thermally melted material of the capillary layer on the substrate of the evaporation chamber for forming the capillary layer on the substrate. Because the capillary layer is sprayed on the substrate of the evaporation chamber, the capillary layer is distributed irregularly on the substrate and forming irregularly distributed holes. Thereby, the flowing space for fluids in the evaporation chamber is increased, and hence enhancing the heat transfer efficiency of the heat sink. | 03-15-2012 |
20120131798 | HEAT 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. | 05-31-2012 |
20120198695 | MANUFACTURING METHOD OF HEAT PIPE TYPE HEAT-DISSIPATING DEVICE - There is disclosed a manufacturing method of a heat pipe type heat-dissipating device. The method includes the steps of: winding a pipe on a loop forming mold in a spiral shape to form a pipe loop; and pressing at least a section of an outer circumference of the pipe loop so that the pipe loop is plastically deformed in a shape corresponding to the shape of the loop forming mold. | 08-09-2012 |
20120279068 | HYDROPHILIC PARTICLE ENHANCED HEAT EXCHANGE - A method for manufacturing a heat pipe. Activated particles or particle clusters are formed. The activated particles or particle clusters are contacted with a working fluid in a non-oxidizing environment to form a chemisorbed layer of the working fluid thereon to generate chemisorbed working fluid surfaced activated hydrophilic particles or activated hydrophilic particle clusters which provide a solid-liquid contact angle to working fluid when subsequently added of <30 degrees. The chemisorbed working fluid surfaced activated hydrophilic particles or hydrophilic particle clusters are vacuum transferred and filled inside the heat pipe along with an additional volume of working fluid. The heat pipe is then sealed. | 11-08-2012 |
20130000122 | HEAT PIPE MANUFACTURING METHOD - A heat pipe manufacturing method includes the steps of preparing a pipe and a wick structure; placing the wick structure in the pipe, vacuuming the pipe, and filling a working fluid in the pipe; and sealing the pipe. By manufacturing a heat pipe with this method, the risk of damaging the wick structure in the pipe during bending or pressing the pipe can be avoided to thereby ensure increased good yield. Further, with this method, the pipe can be pressed to form a thin heat pipe to thereby provide increased flexibility in production. | 01-03-2013 |
20130042477 | METHOD FOR FABRICATING A HEAT PIPE, AND INSTRUMENT OF THE METHOD - The disclosure provides a method for fabricating a heat pipe, and an instrument of the method. The method for fabricating a heat pipe includes providing a hollow tube, wherein the hollow tube has an open end and a closed end; disposing a mandril into the hollow tube from the open end, wherein the inside wall of the hollow tube is separated from the mandril by a space, and wherein the mandril comprises a first portion and a second portion and the first portion has a thermal expansion coefficient larger than that of the second portion; filling up the space between the mandril and the hollow tube with a powder; performing a sintering process to the hollow tube, forming a first agglomeration region and a second agglomeration region; removing the mandril; injecting a working fluid into the hollow tube; and sealing the open end of the hollow tube. | 02-21-2013 |
20130111756 | METHOD AND AN APPRATUS FOR CONSTRUCTING A HEAT PIPE - A method for constructing a heat pipe, comprising the steps of providing a tube having an open end and a opposite closed end; filling a tube with a predetermined volume of working fluid; connecting a vapour trap to the open end of the pipe; evacuating the tube for a predetermined period of time to remove non-condensable gases from the tube; and sealing the tube wherein the step of evacuating the tube includes the steps of applying a vacuum to the open end of the pipe. | 05-09-2013 |
20130118011 | Plate-Type Heat Pipe Sealing Structure and Manufacturing Method Thereof - A plate-type heat pipe sealing structure and a manufacturing method thereof are disclosed. The plate-type heat pipe includes a main body and a tube body. A notch is formed at one of two ends of the main body or one of four corners of the main body as a sealed section thereof. The tube body is disposed in the notch and connected with the main body. The main body of the plate-type heat pipe is cut by means of a mechanical processing method such as punching to form the notch. The notch of the main body is sealed by means of high frequency wave or copper welding. The tube body is positioned within the notch without protruding from the main body of the plate-type heat pipe. Accordingly, when assembled with a heat sink unit, the sealed section of the plate-type heat pipe will not interfere with the heat sink unit. | 05-16-2013 |
20130118012 | Flat 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. | 05-16-2013 |
20130133201 | Co-Extruded Microchannel Heat Pipes - A method for generating a microchannel heat pipe on a substrate surface includes co-extruding a primary material and a secondary material such that the primary material forms side walls that are spaced apart by the secondary material to form a composite structure. After the primary material hardens, the secondary material is removed, whereby the hardened primary material forms a pipe body structure having an elongated central channel defined between opposing end openings. A working fluid is then inserted into the elongated central channel, and sealing structures are then formed over both end openings to encapsulate the working fluid. | 05-30-2013 |
20130239410 | METHOD FOR MANUFACTURING HEAT PIPE - An exemplary method for manufacturing a heat pipe is disclosed. A mixture including metal powder and organic cement is made. The mixture is then injected to a mold to form two blanks. The two blanks are debinded to remove the organic cement therefrom. The two blanks are further sintered to join together and form a tube. A working liquid is filled in the tube from an open end thereof. The tube is then vacuumed to exhaust air therein. The open end of the tube is finally sealed to form a hermetic space in the tube. | 09-19-2013 |
20140082943 | THIN HEAT PIPE STRUCTURE AND METHOD OF MANUFACTURING SAME - A thin heat pipe structure includes a pipe body, a thin-sheet member, and a plurality of bosses. The pipe body internally defines a receiving space, in which a working fluid is provided. The thin-sheet member includes a plurality of open spaces, and the bosses are provided in the open spaces, so that the bosses and the thin-sheet member are disposed in the receiving space of the pipe body at the same time. A method of manufacturing thin pipe structure is also disclosed for manufacturing thin heat pipe structure with reduced time and labor, and protecting a wick structure formed in the thin heat pipe structure against damage. Therefore the thin heat pipe structure can be manufactured with increased good yield and at reduced manufacturing cost. | 03-27-2014 |
20140137410 | THERMAL MODULE STRUCTURE AND MANUFACTURING METHOD THEREOF - A thermal module structure and a manufacturing method thereof. The thermal module structure includes a base and a heat pipe. The base has a first channel and a first recessed section in communication with the first channel. The heat pipe is correspondingly disposed in the first channel. According to the thermal module structure, the heat pipe can directly contact heat source and directly connect with the base without brazing. Therefore, the manufacturing cost is greatly lowered. | 05-22-2014 |
20140144019 | Heat Dissipation Device and Method of Manufacturing Same - A heat dissipation device includes a heat dissipation element and a ceramic main body. The heat dissipation element includes a heat transfer section and a heat dissipation section located on one side of the heat transfer section; and the ceramic main body is directly connected to another side of the heat transfer section opposite to the heat dissipation section by way of welding or a direct bonding copper process, so as to overcome the problem of crack at an interface between the heat dissipation device and a heat source due to thermal fatigue. A method of manufacturing the above-described heat dissipation device is also disclosed. | 05-29-2014 |
20140150263 | MANUFACTURING METHOD OF THIN HEAT PIPE - A manufacturing method of thin heat pipe includes steps of: providing a hollow tubular body and a mesh capillary structure; placing the mesh capillary structure into the tubular body; providing a tool and placing the tool into the mesh capillary structure; sintering the tubular body to make the mesh capillary structure sintered on an inner wall face of the tubular body and then taking out the tool; vacuuming the tubular body and filling a working fluid into the tubular body; sealing the tubular body; and pressing and flattening the tubular body into a flat form by means of mechanical processing. According to the manufacturing method of thin heat pipe, the mesh capillary structure can fully tightly attach to the inner wall face of the tubular body to keep the completeness of the tubular body and the completeness of the vapor-liquid circulation passageways in the heat pipe. | 06-05-2014 |
20140165401 | THIN HEAT PIPE STRUCTURE AND MANUFACTURING METHOD THEREOF - A thin heat pipe structure and a manufacturing method thereof. The thin heat pipe structure includes a tubular body and a mesh body. The tubular body has a chamber and a working fluid. At least one first channel and at least one second channel are formed on an inner wall face of the chamber. The first and second channels extend to intersect each other. The mesh body is attached to the inner wall face of the chamber. The thin heat pipe structure is able to transfer heat in both axial direction and radial direction. By means of the manufacturing method, the heat pipe can be slimmed and the ratio of good products can be greatly increased. | 06-19-2014 |
20140165402 | VAPOR CHAMBER AND METHOD OF MANUFACTURING SAME - A vapor chamber and a method of manufacturing same are disclosed. The vapor chamber includes a main body internally defining a chamber. The chamber internally has a plurality of flow guides and contains a working fluid; and at least one flow passage is formed between any two adjacent flow guides, such that the flow guides and the flow passages together define a flow guiding zone in the main body. The flow guiding zone has two opposite ends respectively connecting with a first convection zone and a second convection zone, such that the flow passages and the first and second convection zones communicate with one another. With the main body and the internal flow passages for a vapor chamber being integrally formed by aluminum extrusion, the time, labor and material costs for the vapor chamber can be largely reduced. | 06-19-2014 |
20140230248 | METHOD OF MAKING LIGHTWEIGHT HEAT PIPE - A method of making a lightweight heat pipe includes steps of: a) preparing a first hollow pipe and a second hollow pipe making of two different materials; b) disposing the first hollow pipe into the second hollow pipe along an axial direction of the second hollow pipe; c) making an inner wall surface of the second hollow pipe attached on an outer wall surface of the first hollow pipe to combine the first and the second hollow pipes as a pipe body of the heat pipe; and d) vacuuming an inner space of the first hollow pipe, and sealing the pipe body after working fluid is filled in the inner space of the first hollow pipe to finish the heat pipe. | 08-21-2014 |
20140290063 | FLAT HEAT PIPE AND METHOD OF MANUFACTURING THE SAME - A flat heat pipe includes a flat hollow pipe and a capillary structure. The flat hollow pipe has a first flat portion, a second flat portion and two arc portions, wherein the two arc portions are connected to both sides of the first and second flat portions. The capillary structure is formed in the flat hollow pipe. The capillary structure has a central portion and two edge portions, wherein the central portion is located on an inner wall of the first flat portion, the two edge portions are located on inner walls of the two arc portions respectively, and a thickness of the central portion is smaller than a thickness of each of the two edge portions. | 10-02-2014 |
20140345137 | METHOD FOR MANUFACTURING FLAT HEAT PIPE WITH SECTIONAL DIFFERENCES - A method for manufacturing a flat heat pipe with sectional differences includes following steps. First, form a plurality of grooves on an inner wall of a pipe body having one outer diameter. Subsequently, form a plurality of tubular sectional difference portions having various outer diameters on the pipe body. Then, degass an interior of the pipe body into vacuum and seal both ends thereof. Finally, press the respective sectional difference portions of the pipe body into flat. | 11-27-2014 |
20150101192 | METHOD OF MANUFACTURING ULTRA THIN SLAB-SHAPED CAPILLARY STRUCTURE FOR THERMAL CONDUCTION - A method of manufacturing ultra thin slab-shaped capillary structure for thermal conduction includes the steps of preparing a slab-shaped capillary structure, forming narrow and long recessed portions with an interval apart from each other on a surface of the slab-shaped capillary structure by an extrusion method, and arranging the recessed portion along the lengthwise direction of the slab-shaped capillary structure, and installing the slab-shaped capillary structure in a hollow plate-like housing, such that a vapor channel is formed between each recessed portion of the slab-shaped capillary structure and an inner wall of the plate-like housing. | 04-16-2015 |
20150113807 | MANUFACTURING METHOD OF HEAT PIPE STRUCTURE - A heat pipe structure and a manufacturing method of the heat pipe structure. The heat pipe structure includes a tubular body and a mesh body. The tubular body has a chamber. The chamber has a first side and a second side. A working fluid is contained in the chamber. The wall faces of the first and second sides are respectively formed with a first channel set and a second channel set. A first contact section and a second contact section are respectively formed at the junctions between the first and second channel sets and the wall faces of the first and second sides. The mesh body is disposed in the chamber and attached to the first and second contact sections. Accordingly, the thickness of the heat pipe is greatly reduced and the manufacturing cost of the heat pipe is lowered. | 04-30-2015 |
20150113808 | METHOD FOR MANUFACTURING HEAT PIPE WITH ULTRA-THIN CAPILLARY STRUCTURE - A method for manufacturing a heat pipe with an ultra-thin capillary structure comprises the steps of: (a) preparing a hollow tube body, and pre-manufacturing a capillary structure that is shaped as a thin plate, the capillary structure having an adhering surface attached to a partial portion of an inner wall of the tube body and a forming surface that is opposite to the adhering surface; (b) disposing the capillary structure into the tube body so as to let the adhering surface be attached to the partial portion of the inner wall of the tube body for positioning; and (c) pressing the tube body in order to let the inner wall of the tube body urge on a partial portion of the forming surface of the capillary structure, and a vapor channel being formed between the capillary structure and the inner wall of the tube body. | 04-30-2015 |
20150348802 | THINNED FLAT PLATE HEAT PIPE FABRICATED BY EXTRUSION - A method for fabricating a thinned flat plate heat pipe, including forming a body part having a flat plate shape by using an extrusion process, forming a through-hole in the longitudinal direction of the body part, and forming one or more grooves on at least one side of an inner wall of the through-hole to allow a working fluid to flow. | 12-03-2015 |
20150367462 | Co-Extruded Microchannel Heat Pipes - A method for generating a microchannel heat pipe on a substrate surface includes co-extruding a primary material and a secondary material such that the primary material forms side walls that are spaced apart by the secondary material to form a composite structure. After the primary material hardens, the secondary material is removed, whereby the hardened primary material forms a pipe body structure having an elongated central channel defined between opposing end openings. A working fluid is then inserted into the elongated central channel, and sealing structures are then formed over both end openings to encapsulate the working fluid. The co-extrusion process is modified such that the side and upper walls are self-formed either while flowing inside a co-extrusion printhead, or immediately upon exiting the printhead. | 12-24-2015 |
20160101490 | METHODS OF MANUFACTURING A COMPLEX HEAT PIPE AND A HEAT TRANSFER PLATE INCLUDING AN OPENING THEREFOR - A method of manufacturing a complex heat pipe includes joining a pipe to a circumference of a hole of a closed chamber, positioning the closed chamber within a fixture after the joining, and expanding deformed walls of the closed chamber to conform to walls of the fixture that correspond with the deformed closed chamber walls. | 04-14-2016 |