Matches 1 - 50 out of 55 1 2 >
Match Document Document Title
7637012 Method of forming protrusions on the inner surface of a tube  
A method of forming a plurality of protrusions on the inner surface of a tube to reduce tube side resistance and improve overall heat transfer performance. The method includes cutting through...
7451542 Method of manufacture of heat-exchanger tube structured on both sides  
The invention relates to a heat-exchanger tube structured on both sides with excellent heat transfer characteristics utilizing both outer and also inner fins and secondary grooves intersecting the...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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...
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....
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...
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...
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)...
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....
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
4616391 Apparatus 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...
4565244 Tubular articles of manufacture and method of making same  
A tubular heat exchanger blank is comprised of a one-piece body portion having a plurality of elongated tubular members disposed in side-by-side relation to each other. Each of the tubular members...
4337826 Heat exchangers and method of making same  
A heat exchanger and method of making same, wherein elongated passageways are formed in unbonded portions of a blank made of bonded sheet material, and integral fins are formed on the sheet...
4194384 Method of manufacturing heat-transfer wall for vapor condensation  
A method of manufacturing a heat-transfer wall for vapor condensation comprising the step of forming on the heat-transfer surface, a number of shallow grooves substantially in parallel at a fine...
4179911 Y and T-finned tubes and methods and apparatus for their making  
This invention concerns finned tubes for use in heat exchanging whereby the fins have a generally T or Y shape. There is disclosed process and apparatus for making these Y and T-finned tubes...
4153982 Method and apparatus for forming cross ribbed pipes  
A method and apparatus of forming ribbed pipes, after an initial pipe resssing in which bending of the rib of the plane perpendicular to the rolled pipe axis takes place, and straightening of the...
4100784 Finned tubing  
This invention provides for a method of and apparatus for the manufacture of finned tubing, more particularly high-fin tubing, from tubular metal fin stock on a tube liner by means of a plurality...
3855832 METHOD OF AND APPARATUS FOR MANUFACTURING INTEGRAL FINNED TUBING  
A method of forming integral helically finned tubing utilizes forming rolls each of which has a plurality of annular projections of graduatedly increasing radius. Each roll is mounted on and...
3768290 METHOD OF MODIFYING A FINNED TUBE FOR BOILING ENHANCEMENT  
Tubing having circumferentially extending fins, either annular or helical, is modified by forming or bending the fins transversely so that the tip of each fin convolution is closely adjacent to a...
3753364 HEAT PIPE AND METHOD AND APPARATUS FOR FABRICATING SAME  
A unit for recovering thermal energy which utilizes a plurality of unique heat pipes, and the method and apparatus for fabricating the heat pipes is disclosed. The heat pipes are disposed...
3696861 HEAT TRANSFER SURFACE HAVING A HIGH BOILING HEAT TRANSFER COEFFICIENT  
A heat transfer surface comprising a heat conductive base member and a plurality of spaced apart fins extending therefrom, each of said fins being bent over towards the next adjacent fin so as to...
3668757 METHOD OF FORMING A HEAT EXCHANGER  
An improved method of forming a heat exchanger including the step of forming a plurality of heating tubes integrally with an end plate and by an impact extrusion process and connecting the interior...
3383892 Manufacture of integrally finned tubing  
3327512 Fine pitch finned tubing and method of producing the same  
Matches 1 - 50 out of 55 1 2 >