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| Number | Title | Issue Date |
| 7355148 | Temperature exchanging element made by extrusion, and its applications The invention relates to a temperature exchanging element made by extrusion and able to receive a heating element and/or heat conducting element, and radiation fins. It is constituted of a single-piece base incorporating an external face equipped with means to recei... | 04/08/2008 |
| 7320177 | Radiator and method of manufacturing the same In a method of manufacturing a radiator, the blade of a carving tool is applied at a specific angle to the surface of a metal plate with a high coefficient of thermal conductivity, the carving tool is advanced while the angle is maintained, and the surface of the me... | 01/22/2008 |
| 7284325 | Retractable finning tool and method of using An improved tool and method for enhancing the surface of a heat transfer tube are provided. The tool, which can be easily added to existing manufacturing equipment, includes cutting bits that may be retracted with a housing. The cutting bits include a cutting edge t... | 10/23/2007 |
| 7256996 | Wireless router A wireless router dissipates heat through use of a unique heat sink having tines to increase the heat sink surface area. A housing includes lower vents and an upper vents to enable passage of an airflow. The airflow may be generated by one or more fans disposed with... | 08/14/2007 |
| 7188418 | Method of making split fin heat sink A heat sink for dissipating heat from an electronic component includes a core and a plurality of fins extending outwardly from the core. The fins may be at least partially curved. Each fin may split into a plurality of tines that extend away from the core. ... | 03/13/2007 |
| 7178586 | Flattened tube cold plate for liquid cooling electrical components A cold plate and a method of forming the cold plate are provided that efficiently and cost effectively cools electrical components. The cold plate includes a flattened tube formed from a circular extruded tube to have a top surface and a bottom surface that are subs... | 02/20/2007 |
| 7114256 | Cooling device and apparatus and method for making the same A cooling device (10) for heat dissipation for a heat-generating component includes a heat sink (14) and a heat pipe (13). The heat sink attached to the component includes a base (11) and a plurality of fins (12) extending from the... | 10/03/2006 |
| 6988315 | Cooling apparatus having low profile extrusion and method of manufacture therefor A method for removing heat from a heat generating component using a low profile extrusion with a plurality of micro tubes extended there through. The low profile extrusion is placed into thermal connection with heat producing components. A heat transfer fluid remove... | 01/24/2006 |
| 6910253 | Method of construction of an insulating air conduit This invention is related to ultra-light conduit for used air and a method for construction of such a conduit with sandwich sheet type of material such as “THERMO-FOIL™” permitting to avoid losses of heat and humid air. The method of construction of a used air... | 06/28/2005 |
| 6877336 | Receiver-drier for air-conditioning system and method of manufacturing the same In a receiver-drier including a cylindrical body and a lower cap sealing a lower end portion of the body, the body includes a filter support portion sectioning the body into upper and lower portions and having at least one inwardly protruding portion supporting an u... | 04/12/2005 |
| 6845647 | Heat sink processing method The heat sink processing method including the steps of: a working machine with a feeding mechanism is provided in a working zone; a power arm of the working machine drives an elastically extending and contracting knife set as well as a stopping and pushing mechanism... | 01/25/2005 |
| 6817098 | Method for forming inner flanges in a bushing which is used to secure a hose therein A method of forming inner flanges in a bushing comprises steps of (a) extruding a bushing into an extruding die, (b) cutting an initial upward flange in the bushing, (c) shaping the initial upward flange into a final inner flange, and (d) repeating steps (a) to (c) ... | 11/16/2004 |
| 6792672 | Heat sink manufacturing apparatus A heat sink apparatus includes a working machine having a power arm for driving a knife set forwards and backwards and has a follower axle with a cam having a sensor for sensing the rotation of the cam; a material feeding mechanism on the top surface thereof include... | 09/21/2004 |
| 6786072 | Method of fabricating a heat exchanger tube A metallic heat transfer tube, in particular for the evaporation of liquids from pure substances or mixtures on the outside of the tube. Fins are integrally formed on the outside of the tube. Recesses are arranged in the area of the base of the primary grooves and e... | 09/07/2004 |
| 6339880 | Process for manufacturing heat sink In a process for manufacturing a heat sink comprising a heat dissipating base plate and a multiplicity of tonguelike fins formed on an upper surface of the base plate, a heat sink blank of aluminum extrudate is formed which has a part for forming a thick ... | 01/22/2002 |
| 6253452 | Method for manufacturing cylindrical radiator A method for manufacturing a cylindrical radiator that includes the step of drawing material to form an elongated blank material having a hollow cylindrical base section and multiple heat-radiating fins radially projecting from the outer circumference of ... | 07/03/2001 |
| 6178634 | Miniature recycle-type heat exchange production method A miniature recycle-type heat exchanger to produce recycle-type heat exchangers from high extensibility, high plasticity aluminum or copper billets (ingots) utilizing a pressure forming press to extrude lightweight, thin, and small form factor recycle-typ... | 01/30/2001 |
| 6067832 | Process for the production of an evaporator tube A process for producing a heat exchanger tube (1) with a highly porous surface structure, in particular for evaporating liquids from pure substances or mixtures on the outside of the tube. The process starts from a rolling operation, by means of which hel... | 05/30/2000 |
| 5979051 | Heat exchanger and method of producing the same A heat exchanger that a tube member 2' has beads 21 protruded from the face of one plate toward the other plate, tube member 2' is held by block members 31, 31, a forming jig 40 is inserted between medium passages 24, 24 formed by the beads 21 to hold to ... | 11/09/1999 |
| 5933953 | Method of manufacturing a heat transfer tube A method of manufacturing a heat transfer tube (10) having an external surface that is configured for enhanced heat transfer performance in both refrigerant evaporating and condensing applications. The tube is suitable for use in, for example, shell and t... | 08/10/1999 |
| 5896660 | Method of manufacturing an evaporator tube A method of manufacturing an evaporation tube including the step of forming spaced refill passages and notches of differing size in edge portions of bent fins or ribs extending from an outer surface of a tube.... | 04/27/1999 |
| 5697430 | Heat transfer tubes and methods of fabrication thereof Metallic tubes (10,10') for boiling have an outer surface (12) for contacting a refrigerant and an inner surface (14) for contacting a liquid heat transfer medium to be chilled. The outer surface (12) has a plurality of radially outwardly extending helica... | 12/16/1997 |
| 5555622 | Method of manufacturing a heat transfer small size tube A method of manufacturing a heat-transfer small size tube includes inserting a grooved plug in a metal tube having an outer diameter of 4.5 mm or more, performing a rotary or drawing process with respect to the outer surface of the metal tube while pullin... | 09/17/1996 |
| 5441106 | Heat exchange tubes A heat exchange tube (1) comprises, in its formed state, an outer wall (4) surrounding a plurality of internal fins (2) which extend along the length of the tube. The fins (2) and outer wall (4) are formed from a unitary portion of sheet material, the fin... | 08/15/1995 |
| 5388329 | Method of manufacturing a heating exchange tube A method for the manufacture of an enhanced heat exchange tube, in which the internal surface area is increased by either minimizing the apex angle of internal fins or increasing the fin height. The fins are formed by annealing a metallic strip while inhi... | 02/14/1995 |
| 5311661 | Method of pointing and corrugating heat exchange tubing A method for producing corrugated tubes of substantially high surface area for use in tube-in-shell heat exchangers which are particularly efficient for cooling water involves pointing a heat exchange tube at both ends to reduce the diameter substantially... | 05/17/1994 |
| 5271376 | Serpentined tubular heat exchanger apparatus for a fuel-fired forced air heating furnace A fuel-fired condensing furnace is provided with a specially designed heat exchanger structure having a metal primary section and a plastic secondary or recuperative section. The primary section is defined by a horizontally spaced series of identically si... | 12/21/1993 |
| 5222299 | Enhanced heat transfer surface and apparatus and method of manufacture An apparatus and method for producing a high performance evaporator tube having a subsurface channel formed between adjacent helical fins with the subsurface channels having alternating closed portions and open pores above the subsurface channels. The fin... | 06/29/1993 |
| 5201117 | Method and apparatus for sizing and cutting tubing Flat tubing is fed from a continuous supply into an embossing station and then into a cutting station and is briefly stopped periodically for an operation in each station. The embossing station has embossing dies for forming a transverse groove in the tub... | 04/13/1993 |
| 5179914 | Forced draft water heater with an improved tank structure and a method for making water heaters A fuel fired, high capacity, high efficiency water heater uses a cylindrical plastic tank. The strength of the plastic tank is maintained by keeping the side wall imperforate and providing all access to the interior through metallic top and bottom plates.... | 01/19/1993 |
| 5054548 | High performance heat transfer surface for high pressure refrigerants A heat transfer surface for effecting boiling of a high pressure refrigerant in contact with the surface. The surface includes a plurality of spaced apart fins which extend from the side in contact with the boiling fluid. Each of the fins has a base porti... | 10/08/1991 |
| 5036693 | Integral finned tubes and a method of manufacturing same Manufacture of integral finned tube utilizing a succession of plugged convergent, cold draw die stages. To produce a tube with diametrically opposed integral fins an initial stage die has an exit with an approximately elliptical outer periphery to form a ... | 08/06/1991 |
| 5003690 | Finning and thread rolling machine A finning and thread rolling machine capable of producing an integral finned tube, an extended finned tube or a wrap-on finned tube, whichever is desired, the tubing to be used for extended surface heat transfer. Types of tubes produced are integral low f... | 04/02/1991 |
| 4938280 | Liquid-cooled, flat plate heat exchanger A one-piece, substantially flat and very thin heat exchanger core in accordance with this invention has two flat and parallel surfaces, with each of said surfaces being suitable as a mounting surface for a number of heat producing electronic chips. These ... | 07/03/1990 |
| 4821387 | Method of manufacturing cooling film devices for combustion chambers of turbomachines A method of manufacturing a cooling film device for the combustion chamber of a turbomachine is described in which a blank is machined to provide a substantially cylindrical upstream wall and an enlarged downstream part of generally frusto-conical shape, ... | 04/18/1989 |
| 4692978 | Method for making heat exchange tubes Improved method and apparatus for making finned tubing from difficult to work materials such as titanium and stainless steel uses spaced sets of finning discs on a plurality of arbors to form a tube against a mandrel having different diameters under each ... | 09/15/1987 |
| 4672834 | Method for making extended heat transfer surfaces and a tool for putting said method into practice A method for making integral fins on plane or curved heat transfer surfaces wherein a fin is obtained by making an inclined cut on the surface itself to provide a thin strip or layer of metal connected to the surface along one edge, raising said layer and... | 06/16/1987 |
| 4653163 | Method for producing a heat transfer wall for vaporizing liquids A method of producing a heat transfer wall, including a plurality of minute tunnels parallelly extending and spaced a minuscule distance from each other under an outer surface of the wall in contact with liquid, and a plurality of tiny hole portions forme... | 03/31/1987 |
| 4637111 | Process of making heat exchangers A heat exchanger having groups integral fins projecting outwardly from the sidewalls of the heat exchanger is manufactured by advancing a cutter into the sidewalls of the heat exchanger, turning the integral fins outwardly and severing predetermined fins ... | 01/20/1987 |
| 4619024 | Method of making coils A slit fin heat exchanger is formed by wrapping slit fin tubing into a flat coil having two spaced rows of tubing. The flat coil is located on mandrels which are rotatable about spaced parallel axes with the mandrels and axes initially being in the same p... | 10/28/1986 |
