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Match Document Document Title
7328509 Method of operating a weaving mechanism to insert a spacer between the tubes of a heat exchanger  
A weaving apparatus used to separate the tubes of a heat exchanger so that spacers that hold the tubes apart can be inserted between the tubes to increase thermal efficiency. The weaving apparatus...
7278209 Method for manufacturing heat sink for use in heat sink fan  
A method for manufacturing a heat sink for use in a heat sink fan is provided. A heat-sink base portion defining a central axis and a circumferential surface is formed. A plurality of...
7246438 Method for producing a heat exchanger with a louvered fin  
A method for producing a heat exchanger. A louvered fin is provided, where the louvered fin has a first bridge member for attaching a first corrugated strip and a straightening member of the...
7165326 Heat exchanger and process for fabricating same  
A heat exchanger for use as an evaporator, for example, in refrigerators wherein a hydrocarbon refrigerant is used. The heat exchanger comprises a finned zigzag tube 1 comprising a zigzag tube...
7128136 Radial flow heat exchanger  
A radial flow heat exchanger for heating or cooling a fluid includes a sealed fluid manifold for passage of fluid. A sealed fluid receiving hub is spaced interiorly of the interior peripheral...
7124813 High-V plate fin heat exchanger and method of manufacturing  
A fin for a heat exchanger coil assembly and a method of manufacturing the fin is provided. The fin includes a heat transfer enhancement pattern which appears sinusoidal in shape. The base wavy...
7120026 Heat-dissipating device with heat conductive tubes  
A heat-dissipating device with heat conductive tubes comprises a heat-dissipating unit having plurality of fins; each fin having a plurality of through holes; each through hole having a...
7100281 Heat sink and method of making the same  
A method for manufacturing a heat sink including heating a metal base to melt solder in grooves formed in the base. The base has a first coefficient of thermal expansion. The solder has a second...
7047639 Method for manufacturing a heat-dissipating structure of a rectifier  
A method for manufacturing a heat-dissipating structure of a rectifier combines heat pipes into the heat-dissipating structure of the rectifier to enhance the heat-dissipating efficiency thereof. A...
7040015 Tube finning machine and method of use  
This invention relates to a tube finning machine ( 10 ), and in particular to a machine capable of fitting several fins ( 26 ) to one or more tubes ( 26 ) at the same time, the assembled finned...
7032313 Method of fabricating a heat exchanger  
Heat exchange inefficiencies found in round tube plate fin heat exchangers are eliminated in an aluminum heat exchanger that includes first and second headers ( 20 ), ( 22 ) and at least one...
7004241 Flexible tube arrangement-heat exchanger design  
A universal fin for use on a heat exchanger having a known number of vertical and horizontal tube passes. The universal fin has a plurality of openings arranged in equally spaced columns and...
6918435 Fluid to gas heat exchangers  
A fluid to gas heat exchanger comprising a plurality of fin-tube elements ( 6 ). Each fin-tube element is an integral extrusion and comprises tubes portions ( 61 ) for carrying heat exchange fluid...
6772831 Heat exchanger and method for manufacturing the same  
Welds ( 111 a ) are provided in areas that are offset from curved portions ( 111 b ) where stress concentration is likely to occur. This allows excess stress to be inhibited to occur at the welds...
6742370 High fin density coil design utilizing precoated fin stock  
A method of manufacturing metal fins suitable for use in a heat exchanger which includes providing a coated patterned fin stock having a series of parallel stripes disposed longitudinally across...
6688380 Corrugated fin heat exchanger and method of manufacture  
A heat exchanger includes a corrugated metal sheet comprising a first side having a plurality of first troughs alternating with a plurality of first peaks, and a second side having a plurality of...
6662615 Method to reduce air center middle margin turnaround for folded tube applications  
An improved air center form roll for use in combination with a like form roll to produce an accordion-like folded fin for a heat exchanger core, the form roll being of the type comprising a...
6625886 Manufacturing method of heat exchanger  
In a manufacturing method of a heat exchanger including a core portion having a plurality of tubes and a plurality of radiation fins connected to surfaces of the tubes, and a tank portion...
6598295 Plate-fin and tube heat exchanger with a dog-bone and serpentine tube insertion method  
A dog-bone type heat exchanger having a plurality of fin members for dissipating heat. Each of the plurality of fin members includes a pair of offset surfaces interconnected by a sloped...
6530144 Apparatus for automatic assembling a heat exchanger  
An automatic assembling apparatus for inserting hair pins into holes formed on a heat exchanger including a plurality of flat plate fins and two side panel disposed both sides of said flat plate...
6502305 Method of manufacturing a heat-exchanger fin, fins according to the method and exchange module including these fins  
The invention relates to a method of manufacturing a fin for a heat-exchange module which comprises at least two heat exchangers equipped with fluid-circulation tubes and comprising cooling fins...
6487768 Heat exchanger manufacturing system  
Improved plastic heat exchanger production systems are described. The production systems are arranged to extrude plastic tubing, cut the tubing into segments of desired length and convey the tubing...
6415506 Method of manufacturing heat exchanger  
In the method of manufacturing a heat exchanger, transverse sectional shapes of heat exchanging tubes can be easily formed into elliptical shapes. The method includes the steps of: piling metallic...
6378204 Manufacturing method for split heat exchanger having oval tubes in zigzag pattern  
A method for manufacturing a heat exchanger for a cooling cycle includes the steps of: preparing the pipes and the fins having through-holes through which the pipes are inserted, arranging the fins...
6370775 Method of making a refrigeration evaporator  
A method of making an evaporator and the resultant evaporator. The resultant evaporator comprises a continuous serpentine tube having an inlet and an outlet. The serpentine tube includes at least...
6293002 Heat exchanger assembling apparatus  
A heat exchanger assembling apparatus includes a tube loading device for loading tubes of a heat exchanger, in an aligned state, in a tray having partitions at intervals, a fin supply device for...
6269541 Method of manufacturing a heat exchanger  
Fins and tubes are brazed by brazing material spread on the inside of bent portions. As the interval between the fins and the tubes does not increase upon melting the brazing material, the tubes...
6249968 Method of making a robust gosper fin heat exchanger  
A method of making a heat exchanger core (56) having a stack of fins (60) having collared holes through which tubes (30) are laced. An overlying fin is supported on an underlying fin by collars...
6167620 Method for transporting heat exchanger fins and forming a heat exchanger core subassembly  
A method for transporting heat exchanger fins and forming a core subassembly for a heat exchanger uses a universal fin tray for all subassemblies instead of different tray sizes for different core...
6167619 Method for assembling a heat exchanger  
A method of assembling a heat exchanger unit (12) that involves an expansion technique for securing a heat exchanger tube (18) to a number of fins (24) without physical intrusion into the tube...
6003224 Apparatus for assembling heat exchanger cores  
An apparatus for forming heat exchanger core assemblies having a plurality of generally elongate tubes seated in uniformly spaced openings in a pair of spaced parallel header members is disclosed....
5966809 Tube finning machine and method and product  
A heat exchange unit for a heat exchanger which includes a first tube with an outer surface and extended surface members located axially along the outer surface. Each member has a tube engagement...
5966808 Method for assembling a heat exchanger core  
An apparatus assembles a heat exchanger core having first and second side plates. The first and second side plates cooperate with first and second end plates to sandwich a plurality of layered...
5954125 Multi-row heat exchanger  
A multi-row heat exchanger includes tube holding devices positioned at the ends of the rows of heat exchange elements in the multi-row heat exchanger. One of the tube holding devices is fixedly...
5930894 Method for manufacturing heat exchangers  
A laminated-type evaporator for an automotive air conditioning refrigerant circuit includes a plurality of tube units having a pair of tray-shaped plates. Each of the tray-shaped plates includes a...
5822854 Method of fabricating a heat exchanger for an air conditioner  
A heat exchanger for an air conditioner includes a plurality of heat-transfer tubes arranged in parallel to each other at predetermined intervals, and heat-transfer fins formed by helically winding...
5815913 Method and apparatus for manufacturing a heat exchanger  
A method of manufacturing a heat exchanger with a plurality of radiation fins which are stacked on a plurality of hairpin tubes or straight tubes includes the steps of clamping bent portions of the...
5765284 Method for constructing heat exchangers using fluidic expansion  
A method of manufacturing a heat exchanger using fluidic expansion, the heat exchanger having tubing sections interconnected to form at least one circuit for transporting a first heat transfer...
5709028 Process of manufacturing a heat exchanger  
Heat exchangers, which are formed by the cassetting of flat tubes and corrugated fins arranged alternately thereof, are subject to the risk of leading to a deforming of the flat tubes in the case...
5706886 Finned tube heat exchanger  
A finned tube heat exchanger is disclosed in which the structure thereof is simple, and the heat exchanging performance is increased. The heat exchanger has a plurality of fin plates arranged in...
5706695 Method of forming fins for a heat exchanger  
The fin for a heat exchanger which consists essentially of a matrix of tubes and of fins disposed transversely to the latter, the fin having pass-through elements to receive tubes which are to be...
5704123 Method of making folded, bent and re-expanded heat exchanger tube and assemblies  
A heat exchanger assembly of the side-entry type includes at least one fin set and an elongated heat exchanger tube having a collapsed sidewall extending substantially the length of the tube which...
5680695 Hairpin lacing apparatus  
An apparatus provides automatic lacing of hairpin tubes through the holes of a heat exchanger fin stack. This apparatus includes a plurality of identical extendable guide rods, each positioned in...
5656332 Method of manufacturing a long continuous tube having a coating of brazing powders  
A long continuous tube, strip or like material has a coating of brazing powders applied and formed thereon. It may be cut to sections of specific length when actually used. A uniform coating of...
5649361 Method of making an heat exchanger having a compression fitting with a load bearing ring  
A method and apparatus provide a heat exchanger having a compression fitting for sealing connecting a refrigerant flow line to a tube brazed to the heat exchanger in a brazing furnace. The heat...
5557840 Tube sheet locator and tube expander  
Apparatus for localized radial expansion of a ductile metal tube into tight engagement with a tube support sheet, e.g., for deformable member which is axially compressed by hydraulic pressure to...
5535820 Method for assembling a heat exchanger  
An improved method is provided for assembling a heat exchanger by mechanically joining one or more pairs of tubes with fins arranged in a fin pack. The method involves a novel external expansion...
5533251 Automatic hairpinlacing apparatus  
An apparatus for the automatic lacing (drawing) of hairpin tubes through the holes of a heat exchanger fin stack is provided. This apparatus includes a plurality of identical extendable guide rods,...
5482115 Heat exchanger and plate fin therefor  
A bent finned tube heat exchanger to transfer heat between a fluid passing through the tubes and a fluid passing around the heat exchanger, and a plate fin therefor. The plate fin has a zigzag...
5442853 Automatic hairpinlacing process  
A method of using an apparatus for the automatic lacing (drawing) of hairpin tubes through the holes of a heat exchanger fin stack includes using a plurality of identical extendable guide rods,...
Matches 1 - 50 out of 250 1 2 3 4 5 >