U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"What, sir, would you make a ship sail against the wind and currents by lighting a bonfire under her deck? I pray you, excuse me, I have not the time to listen to such nonsense."

Napoleon Bonaparte ; When told of the Robert Fulton steamboat

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 29/890.04 - With inserted tubes


Subclass of Class 29 - Metal working
Definition: Process wherein the heat exchanger device or boiler made
No. of patents: 36
Last issue date: 04/24/2012


NumberTitleIssue Date
8161646Method of manufacturing heat radiating fin
In a method of manufacturing heat radiating fin, the technique of plastic working, such as stamping, is employed to apply an external force against a sheet metal material serving as a raw material for forming the heat radiating fin, so that the sheet metal material ...
04/24/2012
7918025Method of fabricating a thermal spreader having thermal conduits
A thermal spreading device disposable between electronic circuitry and a heat sink includes a substrate having parallel first and second faces and conduits extending through the substrate between the faces. The substrate material has a first thermal conductivity val...
04/05/2011
7913387Method of fabricating a thermal spreader having thermal conduits
A thermal spreading device disposable between electronic circuitry and a heat sink includes a substrate having parallel first and second faces and conduits extending through the substrate between the faces. The substrate material has a first thermal conductivity val...
03/29/2011
7698815Method for forming a heat dissipation device
A heat sink for integrated circuits is limited substantially to heat transfer fins on one or more heat pipe tubes, the tube(s) functioning as a base for the heat sink. The heat pipe tube has a flattened oval cross-section and can snap-fit in openings through the fin...
04/20/2010
7264659Plate fastener for an electrostatic precipitator cell
A plate fastener for an electrostatic precipitator cell is provided according to an embodiment of the invention. The plate fastener includes a fastener shaft including a head. The fastener shaft extends through the electrostatic precipitator cell. The head is adapte...
09/04/2007
7124930Welding method and tubular member and gear pump made using the welding method
A gear pump having an inner rotor and an outer rotor is covered by a cylindrical outer casing and side casings. The cylindrical outer casing has two outer circumferential edges which are welded over the entire circumference thereof to the outer edges of the side cas...
10/24/2006
7117584Heat exchanger tube expanding apparatus
A tube expanding apparatus includes mandrels, each mandrel having a billet on a leading end; a reciprocating actuator for supporting rear ends of the mandrels, the reciprocating actuator being supported to reciprocate in an axial direction of hairpin tube straight p...
10/10/2006
7047640Method 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 at a side thereof; b) placing the solder bar and the heat pipe, in t...
05/23/2006
6925711Micro-textured heat transfer surfaces
A wrought aluminum sheet product having a textured surface for improved heat transfer properties. A plurality of textured features having dimensions of about 1-50 microns is roll textured onto one or both sides of the sheet. The aluminum sheet may be used as the fin...
08/09/2005
6864572Base for heat sink
A heat sink base (10) includes a rectangular body (11) made of aluminum and a circular core (12) made of copper. The body defines a circular through opening (111). A diameter of the opening is slightly less than a diameter of the core. Th...
03/08/2005
6745459Heat exchanging tube assembling apparatus for heat exchanger and assembling method thereof
A heat exchanging tube assembling apparatus is adapted to a heat exchanger having an outer casing in which is arranged a partition plate formed with holes through which heat exchanging tubes, each having a U-shape in outer appearance, are inserted from an open end s...
06/08/2004
6675884Assembly 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 of the fin with a hole in a diameter slightly smaller than ...
01/13/2004
6389682Heat exchanging tube assembling apparatus for heat exchanger and assembling method thereof
A heat exchanging tube assembling apparatus is adapted to a heat exchanger having an outer casing in which is arranged a partition plate formed with holes through which heat exchanging tubes, each having a U-shape in an outer appearance, are inserted from...
05/21/2002
5983995Radiator
A structure of a heat receiving member of a radiator that includes a heat receiving member, a heat pipe, and a heat radiating member is characterized as follows. In such radiator, the heat receiving member has a heat pipe insertion groove for allowing one...
11/16/1999
5611877Jigs for manufacture of joined ceramic structure, and method for manufacturing joined ceramic structure by use of jigs
Jigs usable in a method for manufacturing a joined ceramic structure having a plurality of tubes and perforated plates joined to both the end portions of these tubes which has the steps of inserting the tubes of sintered ceramics into through-holes of the...
03/18/1997
5274920Method of fabricating a heat exchanger for solid-state electronic devices
A microscopic laminar-flow heat exchanger, well-suited for cooling a heat generating device such as a semiconductor integrated circuit, includes a plurality of thin plates, laminated together to form a block. Each plate has a microscopic recessed portion ...
01/04/1994
5103559Method for making heat exchanger having at least two collecting pipes
A heat exchanger has two collecting pipes and a streamlined-section tube matrix connected with these two pipes. The collecting pipes comprise several thin sheet metal shells connected with one another which permits simplified and higher speed manufacture ...
04/14/1992
5100439Fastening means for electronic air cleaner cells
A fastening means for an electronic air cleaner. The air cleaner containing an air cleaner collector section. The air cleaner collector section is a series of high voltage and low voltage plates which are held by cell expansion tubes. On either end of the...
03/31/1992
5029388Apparatus and process for sleeving the heat exchanger tubes of nuclear steam generators
An apparatus and method are provided for remotely inserting and feeding a sleeve within a selected tube to be serviced mounted in a tubesheet of a nuclear steam generator, so as to relieve reverse forces generated during the insertion and feeding of the s...
07/09/1991
4998584Heat exchanger
A method of forming and apparatus for a heat exchanger having a body of aluminum alloy having two sides with a groove machined in the body in the shape of a heat exchange tubing but of a dimension larger than the tubing. The tubing is placed in the groove...
03/12/1991
4971145Heat exchanger header
A heat exchanger header is formed of a tube plate and a header plate having indentations that cooperate with the tube plate to form a row of tank chambers for interconnecting heat exchanger tubes joined to the tube plate. The tube plate has ribs extending...
11/20/1990
4901414Method for assembling pairs of heat exchanger plates
A method and apparatus for assembling heat exchanger elements includes a pallet comprising a frame and a plurality of blocks slidably aligned on each side of the frame with opposed pairs of blocks slotted to receive pairs of plates dropped into the pallet...
02/20/1990
4893674Method of producing a tubular distributor of a heat exchanger from juxtaposed porous strips of material
A method for manufacturing a tubular distributor of a heat exchanger in which the distributor is formed by layers of material between which the ends of heat exchange tubes of a matrix are secured in fluid-tight manner. The layers are made of fibers which ...
01/16/1990
4763727Panel heat exchanger
A panel heat exchanger is provided that has a plate made of a heat-conducting material and at least one pipe connected with it, this pipe having a meandering shape, and through which a heat exchange medium flows. The plate is provided with slots the width...
08/16/1988
4597436Tubular distributor arrangement for a heat collector vessel
A heat exchanger collector comprising a plurality of connecting tubes, where sets of connecting tubes arranged side by side in a plane are superimposed in layers one on the other for an interlocked connection with mating profile elements inserted in the t...
07/01/1986
4428107Process for filling with a hardenable filler gaps where corrosive attack can occur in tube and fin heat exchangers
To fill up the ring-shaped gaps between the tubes and fins of a tube and fin type heat exchanger with a corrosion protective hardenable filler, a unit made up of two closing pieces with filler material between them is pushed by means of the tube to be ins...
01/31/1984
4378626Cooled mirror construction by chemical vapor deposition
A cooled mirror for high power optical systems is fabricated by chemical vapor deposition of material on coolant tube forms....
04/05/1983
4377024Method of making a heat exchanger
A method of making a heat exchanger of the type used in vehicle radiators and having a core of spaced welded, as contrasted to lock-seam, tubes and interconnecting fins connected to spaced liquid tanks. The method, which permits machine-operated mass prod...
03/22/1983
4347965Method of connecting thin metal sheets to metal tubes
Connecting of a steel tube grid to a thin aluminum sheet to form a solar collector plate is carried out by explosive bonding to ensure a high thermal conductivity between sheet and tubes. Herein the sheet is prepressed in a pattern of channels of substant...
09/07/1982
4325171Means and method for sealing heat exchanger walls
A new type of sealing partition around heat exchanger tubes in heat exchanger walls is disclosed. A support structure is used to position and hold the tubes in place. Overlapping inserts are then inserted over the tubes adjacent the support structure and ...
04/20/1982
4237971Cold-welded heat exchanger member
A heat exchanger for solar collector apparatuses comprises two metal layers (10, 11) abutting each other and at least one metal pipe (12) for a heat-carrying medium arranged between the layers. The metal layers are cold-welded together on either side of t...
12/09/1980
4228573Method for assembling heat exchangers
Method and apparatus are disclosed for rapidly assembling a heat exchanger comprised of perforated fins, a pair of perforated headers and a plurality of reverse bent tubes as the fins are being stamped from sheet stock. The parts are assembled on a pallet...
10/21/1980
4227391Process for making tube in sheet heat exchangers
An apparatus and process for forming an opening in a composite metal panel on an edge of the panel at a position wherein the opening is to be formed and hammered to delineate a bond interface. The opening is formed between the sheets of the panel and inwa...
10/14/1980
4224817Apparatus and process for making tube in sheet heat exchangers
A process and apparatus is provided for forming an opening in a composite metal panel. The edge of the panel is hammered to delineate a bond interface. The hammering includes both moving a hammering member to and fro against the edge while simultaneously ...
09/30/1980
4180897Method of fabricating honeycomb heat exchanger
A heat exchanger comprises a general elongated rectangular member having major side surfaces of a honeycomb configuration. The member has at least one aperture extending therethrough and along the length of said member and an inner tubular member position...
01/01/1980
4135282Finned tube coil and method of making same
A multi-row, finned tube heat exchange coil is made in a process particularly useful where the tubes and end fittings are both of aluminum, by arranging all of the hairpin-shaped tubes with their bights on the one end of the coil along with all of the com...
01/23/1979
 
Sign InRegister
Username  
Password   
forgot password?