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7594326 |
Method for making a low-cost high-temperature heat exchanger
A low-cost, high-temperature heat exchanger is made from a notched piece of metal, the metal being folded back and forth upon itself to form a monolith. The notches in the metal piece create...
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7587819 |
Insert for a catalytic converter and method and apparatus for forming an insert for a catalytic converter
A method of forming an insert for a catalytic converter includes wrapping a catalytic core with a fibrous packing, inserting the wrapped core into a mantle, and forming end portions of the mantle...
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7578161 |
Pneumaticaly driven pipe swedging and flaring tools
Tools for expanding (i.e., flaring and swedging) the ends of metal tubes are configured for attachment to a powered impact hammer, such as an air hammer. A swedging tool for swedging an end of a...
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7500309 |
Cold or heat accumulator and process for its manufacture
A cold and/or heat accumulator with a plurality of carrier elements ( 10 ) which are charged with a cold or heat storage medium, and with a heat exchanger ( 12 ) which is designed to have a heat...
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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...
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7461689 |
Thermal cycling resistant tube to header joint for heat exchangers
A reduction in tube to header joint failures in a heat exchanger having spaced headers ( 12,14 ), elongated, side-by-side parallel spaced tube slots ( 22 ) in the headers ( 12,14 ) along the length...
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7404254 |
Calibrated catalyst carrier body with corrugated casing and method for manufacturing the same
A method for manufacturing a catalyst carrier body includes producing a honeycomb body having at least partially structured layers forming channels through which a fluid can flow. The honeycomb...
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7389811 |
Expanded metal
A sheet of expanded metal produced by slitting a sheet of metal, and stretching along a stretching direction, which sheet of expanded metal forms a grid of openings having a first repetition length...
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7377039 |
Anti-corrosion protection for heat exchanger tube sheet and method of manufacture
A corrosion-resistant alloy metal tube sheet used to construct a shell and tube heat exchanger ( 50 ) for cooling fluids with sea water passing through corrosion-resistant alloy tubes ( 25 )...
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7367387 |
Tube plate for exhaust heat exchanger
A tube plate for exhaust heat exchangers, with punched openings to hold the tube ends of a tube bundle, wherein the openings are arranged grid-like with a web width b, and each of the openings has...
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7331382 |
Heat exchanger and a method of manufacturing a heat exchanger manifold
The present invention relates to a heat exchanger having a cooling core consisting of a plurality of parallel, heat exchanging tubes and two manifolds provided with slots, where the ends of heat...
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7299967 |
Method for manufacturing plate stacks, particularly coolers or cooler elements made up of plate stacks
The invention relates to an innovative method for manufacturing plate stacks, particularly for manufacturing coolers or cooler elements or heat sinks at least one plate stack, with at least two...
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7278473 |
Exhaust gas heat exchanger and method for the production thereof
The invention relates to an exhaust gas heat exchanger for motor vehicles, comprising a cluster of exhaust pipes ( 10 ) which are soldered on the front surface thereof to pipe bottoms, and a...
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7260893 |
Method of attaching a transmission oil cooler to an aluminum tank
A secondary heat exchanger subassembly, such as a transmission oil cooler, is disposed in a metal tank of a radiator and has a pair of metal fluid fittings. Either a connector ring engages a...
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7246437 |
Heat exchanger for cooling exhaust gas and method of manufacturing same
A heat exchanger for cooling exhaust gas, around which a liquid cooling medium flows on the outside, including a bundle of rectangular tubes provided as ducts for the exhaust gas whose ends are...
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7143512 |
Method of making a brazed metal heat exchanger core with self-shearing reinforcement
A radiator core reinforcement self shears in the braze oven as strategically placed voids in the reinforcement erode away under the flowing action of the melted surface braze layer.
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7139356 |
Procedure and means for replacing and procedure for repairing a section of a pipe in the primary circuit of a nuclear reactor
Marking of the cuts which have to be made, cutting of the section at two ends, removal of the section which has to be replaced, bevelling of the joint ends of the parts remaining after the section...
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7131200 |
Method for making a radiating appliance
A radiating appliance consisting of a plurality of heat-transfer tubes, radiators, and a heat-transfer plate is processed in a method including the following steps: position the heat-transfer tubes...
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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...
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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...
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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...
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7047640 |
Method of manufacturing a heat dissipating device
A method of manufacturing a heat dissipating device, the method includes steps: a) affording a heat pipe, a solid solder bar and a heat sink, wherein the heat sink includes a base defining a groove...
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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...
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7036570 |
Multiple row heat exchanger using “end-to-end” or “tube touching” positioning of the tubes for row spacing
A method of increasing thermal efficiency around a plurality of tubes in a heat exchanger. The method includes the steps of providing a plurality of tubes having a predetermined end configuration...
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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...
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7013565 |
Removable collector for liquid cooled exhaust
A removable collector for liquid cooled exhaust includes a retention member, a coolant transfer plate and a collector housing. The retention member fits between at least two exhaust jacket pipes...
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7011350 |
Flash welded joint structure and method for making a joint structure
An energy absorbing assembly for a vehicle including an elongated crash box having ends with circular cross sections. One end of the crash box is received in a bumper beam and is friction welded to...
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7003879 |
Staggered rows in a CT or serpentine fin core with a round tube to header joint
The present invention provides a method of at least one of increasing airflow around a plurality of tubes in a heat exchanger, and increasing the web in a header around such plurality of tubes,...
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6993838 |
Collector tube for a heat transfer unit and method for producing same
The invention relates to a collector tube ( 1 ) for a heat transfer unit. The tube comprises one or several slits ( 3 d ) on the periphery thereof, whereby said slits are formed by a punch press...
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6928849 |
Method of manufacturing heat exchanging fin and die set for manufacturing the same
The method of manufacturing a heat exchanging fin having an oval collared through-hole is capable of reducing manufacturing cost. The method comprises the steps of: forming a circular projected...
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6913074 |
Method of making an internal grooved tube
A method of manufacturing an internal grooved tube according to the present invention includes the steps of inserting a grooved plug into a blank tube rotatably, and then pressing the blank tube...
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6886349 |
Brazed aluminum heat exchanger
An aluminum heat exchanger is provided. In one embodiment, the aluminum heat exchanger comprises a fin having a first aperture therethrough with a flange formed around the first aperture. The fin...
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6886249 |
Method for making finned heat sink assemblies
A construction is provided for a finned heat sink constructed from a plurality of components separately formed from graphite materials. The components include a base and a plurality of fins. In one...
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6880744 |
Method of applying brazing material
In a method of applying a brazing material to braze a joining portion between a first member and a second member, a relationship between an amount of the brazing material and an expanding dimension...
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6874230 |
Method of manufacturing heat exchanger
A method of manufacturing a heat exchanger includes processes of: arranging tubes at a predetermined pitch on a set base; inserting fins into spaces each defined between the tubes; compressing the...
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6772518 |
Method of forming flat-tube insertion slots in a header tube
The invention relates to a method for forming at least one flat-tube insertion slot in a header tube. A sawcut is introduced into the header tube during a sawing step, and the slot is configured,...
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6739386 |
Heat exchanger with cut tubes
A heat exchanger including a core having a plurality of flat tubes with fins between adjacent tubes, the tubes each having flat side walls connected by front and rear walls defining a flow path,...
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6725517 |
Method for plugging a hole and a cooling element manufactured by said method
A method for plugging a hole, particularly a hole provided in a cooling element, in which method a hole formed in a piece essentially made of mainly copper, for instance in the housing element of a...
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6697448 |
Neutronic fuel element fabrication
This disclosure describes a method for metallurgically bonding a complete leak-tight enclosure to a matrix-type fuel element penetrated longitudinally by a multiplicity of coolant channels. Coolant...
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6687995 |
Heat exchanger and method for producing a heat exchanger
The invention relates to a heat exchanger comprising two manifolds ( 10 ). Profiled pipe sections ( 11 ) are accommodated with a lamella configuration ( 12 ) between said manifolds. According to...
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6640887 |
Two piece heat exchanger manifold
A heat exchanger manifold for use in heat exchanger used mainly in automobiles is provided. The manifold comprises of two components a header and tank. The header consists of several half cylinders...
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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...
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6572447 |
Method of forming a base body for a diamond bit
A method of forming a base body for a diamond bit having a tubular carrier body ( 2, 12 ) with a bottom ( 4 ), and a shank ( 1, 11 ) projecting from the bottom ( 1 ), with the carrier body ( 2, 12...
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6564458 |
Method for manufacturing a radiator
A method of manufacturing radiators by joining a corrugated fin to a base plate, characterized by low costs and prevention of thermal deformation of the corrugated fin due to low-temperature...
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6460394 |
Method of manufacturing heat exchanging fin and die set for manufacturing the same
The method of manufacturing a heat exchanging fin is able to restrict forming wrinkles and ring marks in the heat exchanging fin. The method comprises the steps of: forming dome sections having...
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6453558 |
Method of locking together exhaust components
A method of assembling exhaust components comprising the steps of: (a) providing an exhaust plate or other exhaust component having a first side, a second side, and an embossment, the embossment...
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6449844 |
Heat exchanger apparatus for a semiconductor wafer support and method of fabricating same
A heat exchanger apparatus including a heat exchange element and a substrate support. A clamp member is coupled to the heat exchange element and the substrate support by expanding the clamp member...
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6434824 |
Process for making a fluid-tight connection between a tube and a plate-shaped part
A process for making a fluid-tight connection between a tube and a plate-shaped member. The process entails inserting one end of a tube into a correspondingly-sized hole in a plate-shaped member so...
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6427769 |
Heat exchanger having tube joined to core plate and method of manufacturing the same
A heat exchanger has a tank for accommodating a heat medium therein and a tube connected to the tank through a core plate. Specifically, an end portion of the tube is inserted into a connection...
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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...
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