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7614443 Heat exchanger tube  
A heat exchanger tube has an inner peripheral surface serving as an exhaust gas flow path with a flat cross-sectional shape. A thin structure is incorporated in the heat exchanger tube and has a...
7543630 Heat pipe incorporating outer and inner pipes  
A heat pipe includes an outer pipe ( 10 ), an inner pipe ( 20 ), and a hermetic cap ( 30 ). The outer pipe has an evaporating end ( 12 ) and a condensing end ( 14 ). The evaporating end is...
7511101 Plug flow reactor and polymers prepared therewith  
A plug flow reactor having an inner shell 27 surrounded by outer shell 21 and having at least one annular flow passage 35 therebetween can be used to prepare compositions, including polymers....
7500515 Heat exchanger and method of manufacturing the same  
There is provided a method of manufacturing a heat exchanger, including a first step of mounting an end part of flat tube to a header, assembling the flat tube and fins, and sealing a part where...
7487589 Automotive heat exchanger assemblies having internal fins and methods of making the same  
The present invention relates to automotive heat exchanger assemblies that can withstand high environmental temperature and pressures conditions. By providing a tube strengthener inserted into the...
7478630 Device and method for cooling exhaust gas  
A device for cooling exhaust gas from an internal combustion engine comprises a plurality of flow ducts which are connected to an exhaust gas recirculation system of the internal combustion engine,...
7462262 Vertical multitubular heat exchanger and distillation column system including the same  
A vertical multitubular heat exchanger that can prevent clogging of a polymerized material and is continuously operable for an extended period of time is provided. The vertical multitubular heat...
7438122 Axial heat exchanger  
The present invention offers an improved axial heat exchanger for exchanging heat between a gas medium and a fluid or liquid medium. The axial heat exchanger comprises a longitudinal and...
7341099 Metal plate for producing flat tube, flat tube and process for producing the flat tube  
A metal plate comprises two flat wall forming portions 89, 90 connected together by a joint portion 88 , a plurality of reinforcing wall forming portions 83, 84 upwardly projecting from each...
7303002 Fin structure, heat-transfer tube having the fin structure housed therein, and heat exchanger having the heat-transfer tube assembled therein  
A fin structure, a heat-transfer tube and a heat exchanger are formed of plate fins housed in a heat-transfer tube and have an excellent cooling efficiency by making the distribution and flow...
7290595 Inner fin with cutout window for heat exchanger  
An inner fin ( 1 ) of a heat exchanger has, on front and rear faces thereof, protruding ridges ( 2, 3 ) protruding in opposite directions to each other. Grooves ( 4, 5 ) to serve as passages of a...
7222664 Heat exchanger plate and this exchanger  
The heat exchanger plates have the section shown, with raised sections on the upper and lower faces in which run the flow pipes of one of the fluids. Notches are created on the longitudinal ends to...
7117936 Tube for heat exchanger  
In a tube ( 4 ) for a heat exchanger comprising a flat pipe ( 16 ) whose both ends are opened and in which a flow path ( 15 ) for a heat exchanging medium is formed, and an inner fin ( 17 )...
7096931 Increased heat exchange in two or three phase slurry  
Ribbed heat exchange tubes in which the aspect ratio of the ribs is less than 5, provide greater indirect heat exchange than conventional heat exchange tubes with or without fins, when used in a...
7044211 Method of forming heat exchanger tubing and tubing formed thereby  
A method of forming tubing with integral fins oriented parallel to its length, and to a heat exchanger tube produced by such a method. The invention involves extruding a tube so that the tube has...
7028766 Heat exchanger tubing with connecting member and fins and methods of heat exchange  
A heat exchanger tubing includes at least a pair of tubes ( 1 ) that are connected to and separated by a connecting member ( 3 ). The connecting member ( 3 ) has a number of fin projections ( 7 )...
7011147 Heat pipe type circular radiator with sector cooling fins  
A heat pipe type circular radiator includes a plurality of sector cooling fins and a heat pipe. Each of the sector cooling fins has a main fin member with a through hole and has a big sector folded...
6955793 Temperature controlled reaction vessel  
A reaction vessel which includes internally placed temperature controlling mixing baffles in which liquid is boiled, resulting in an isothermal heat sink. The energy of vaporization is supplied by...
6948557 Inner fin for heat exchanger flat tubes and evaporator  
The present invention relates to an inner fin 5 for heat exchanger flat tubes 22 A which comprises a metal plate having a corrugated cross section and which is to be enclosed in the flat tube ...
6942024 Corrugated heat exchange element  
The invention concerns a corrugated heat exchanger element ( 1 ) that can be produced from a metal strip and has a corrugation height (h) that lies between the crests ( 2 ) of the corrugations, in...
6938686 Lateral plate surface cooled heat exchanger  
A surface cooled heat exchanger including a stack of elongate plate pairs, each plate pair including first and second plates having elongate central portions surrounded by sealably joined edge...
6913073 Heat transfer tube and a method of fabrication thereof  
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....
6907663 Refrigerator and method for manufacturing heat pipe unit of refrigerator  
Disclosed is a refrigerator comprising an outer casing defining an outer appearance thereof, and an inner casing accommodated in the outer casing, forming a storage chamber, further comprising a...
6889758 Lateral plate finned heat exchanger  
A stacked plate heat exchanger including a plurality of stacked plate pairs, each plate pair including first and second plates having elongate central portions surrounded by sealably joined edge...
6883597 Heat transfer tube with grooved inner surface  
An improved heat transfer tube and a method of formation thereof. The inner surface of the tube has a primary set of fins and an intermediate sets of fins positioned in the areas between the...
6845732 Gas heating apparatus for chemical vapor deposition process and semiconductor device fabrication method using same  
The present invention provides a gas heating apparatus that activates reaction gases for a chemical vapor deposition. The gas heating apparatus includes a chamber becoming enclosures of the gas...
6823932 Self-fixturing side piece for brazed heat exchangers  
The added expense of providing fixtures for holding side pieces in heat exchangers in place during assembly is avoided in a heat exchanger having a core with at least one row of spaced, parallel,...
6810951 Flat tube for heat exchanger of reduced width  
The invention concerns a tube ( 1 ) internally divided into two longitudinal channels ( 16 ) by a median spacer ( 9 ). In an end zone ( 4 ) penetrating a fluid box ( 19 ), the tube is deformed so...
6729388 Charge air cooler, especially for motor vehicles  
The invention provides a charge air cooler, especially for motor vehicles, having a finned-tube block. The finned-tube block includes flat tubes through which charge air can flow and at least one...
6719953 Process for the manufacture of olefins by a pyrolysis furnace with an internally finned U shaped radiant coil  
The present invention is directed towards a fired heater for heating a process fluid that uses U tubes provided with increased internal heat transfer surface to reduce tube metal temperatures and...
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...
6675884 Assembly of multiple heat sink fins  
An assembly of multiple heat sink fins is comprised of multiple fins overlapped on one another and penetrated through by a heat conducting tube, each fin being provided at where close to the edge...
6675746 Heat exchanger with internal pin elements  
A heat exchanger/heater comprising a tubular member having a fluid inlet end, a fluid outlet end and plurality of pins secured to the interior wall of the tube. Various embodiments additionally...
6644394 Braze alloy flow-barrier  
A heat exchanger tube of the present invention has first and second surfaces with a longitudinal length and a lateral width. At least one of the surfaces has a plurality of striae that extend along...
6640886 Heat exchanger tube, heat exchanger and method of making the same  
An economically formed tube of rectangular or oval-like cross section and with a corrugated internal fin includes spaced, relatively long side wall sections joined at their ends by relatively short...
6622785 Folded multi-passageway flat tube  
A folded multi-passageway flat tube is disclosed, which is made from a flat sheet metal strip and has folded webs and a longitudinal seam. Through-openings for improving the heat transfer and for...
6620388 Catalyst pipe  
Disclosed is a catalytic pipe for an endothermic catalytic reaction of a process medium, with an outer cladding tube which is tightly closed at its end sides by a first base and a second base. A...
6609664 Heating panel system  
A heating panel system comprises a cylindrical hot water pipe. The pipe is in a linear configuration. A plurality of rigid fins is provided. The fins have apertures. The apertures allow the fins to...
6594897 Method for manufacturing coolant tube of heat exchanger  
A coolant tube for use in a heat exchanger is manufactured by using a plate member as follows: the plate member is folded in substantially regular distances to form a plurality of folded portions;...
6591900 Heat exchanger, tube for heat exchanger, and method of manufacturing the heat exchanger and the tube  
A heat exchanger ( 1 ) is formed by stacking tubes ( 2 ) formed by rolling a flat tube material ( 10 ) with a fin ( 3 ) interposed between the adjacent tubes, joining tanks ( 4 ), ( 5 ) and the...
6513582 Heat exchanger and fluid pipe therefor  
A fluid pipe ( 14 ) for fluid flow between a pair of manifolds of a heat exchanger and which is formed from a single piece of sheet metallic material having a cladding on at least one surface, the...
6470964 Heat exchanger tube  
A heat exchanger tube, which has a high pressure resistance, includes a tube body, wherein the interior of the tube body defines a fluid flow passage. The inner and outer surfaces of the tube body...
6467253 Nozzle structure for rocket nozzles having cooled nozzle wall  
The invention relates to a nozzle structure for rocket nozzles having a cooled nozzle wall comprising a large member of closely spaced cooling channels ( 2 ) extending from the inlet end of the...
6453989 Heat exchanger  
A heat exchanger is constructed by tubes, corrugated fins and head pipes, which are assembled together. Herein, the tube is constructed by bending a flat plate whose surfaces are clad with brazing...
6446715 Flat heat exchange tubes  
A flat heat exchange tube comprises an upper wall, a lower wall, right and left side walls interconnecting right and left side edges of the upper and lower walls, and a plurality of reinforcing...
6419885 Pyrolysis furnace with an internally finned U shaped radiant coil  
The present invention is directed towards a fired heater for heating a process fluid that uses U tubes provided with increased internal heat transfer surface to reduce tube metal temperatures and...
6357522 Multi-channel flat tube  
A multichannel flat tube for a heat exchanger has a plurality of parallel flow channels aligned in a row, side by side, along a transverse axis of the tube. At least the inner flow channels have...
6332494 Air-cooled condenser  
An air-cooled condenser includes an upper header for distributing a vaporous medium to be condensed, a lower header for collecting condensate, spaced finned tubes with outer fins, the finned tubes...
6325141 Tube  
A plurality of first projections 113a are provided in a first side wall portion 111a of a grooved section 111 formed by bending part of a sheet-like workpiece to have a U-shaped cross-section,...
6321792 Flow conduit and means for enlarging the surface thereof to provide cooling, and a fuel pipe, and a method for the manufacture thereof  
A flow conduit includes surface-enlarging members for cooling fluid in the flow conduit. The surface-enlarging members include cooling blades that extend outwards and downwards from the surface of...
Matches 1 - 50 out of 296 1 2 3 4 5 6 >