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| Number | Title | Issue Date |
| 7347063 | Device for heat exchange A device for exchanging heat is disclosed herein. This device may be used in motor vehicle air-conditioning installations which include at least one distribution or collection chamber for a fluid, at least one flow device which is provided with at least one first fl... | 03/25/2008 |
| 7331705 | Static device and method of making A static device and method of making is disclosed for mixing matter flowing therethrough. The invention comprises a tube having a polygonic cross section defining a plurality of corners. The tube is spirally twisted with the plurality of corners forming a plurality ... | 02/19/2008 |
| 7310878 | Automotive lower body component method of manufacture A method for manufacturing a lower body component for a vehicle is provided including forming a one-piece floor pan at least partially defining a vehicle passenger compartment and substantially extending longitudinally at least the entire length thereof, and forming... | 12/25/2007 |
| 7258263 | Bipolar plate fabrication A method for making a current collector plate includes providing a first sheet of material having a first bonding face and a first outer face. A second sheet of material is provided having a second bonding face and a second outer face. A work area is defined on at l... | 08/21/2007 |
| 7252218 | Bipolar plate fabrication by roll bonding An anti-bonding material is placed in a desired pattern onto a first sheet of conductive material. A second sheet of conductive material is roll bonded with the first sheet of material. Fluid is injected between the bonded first and second sheets of material to expa... | 08/07/2007 |
| 7175914 | Base material having thereon polyaniline-containing film surface, and process for forming film surface on base material In a heat exchanger having tubes and fins, a polyaniline film made of polyaniline and/or a derivative thereof is formed on the surfaces of the tubes and the fins. This polyaniline film is imparted with at least one hydrophilic functional group selected from the clas... | 02/13/2007 |
| 7028381 | Casting sheet composite body and method for producing the same A method for producing a cast/sheet-metal composite body, comprising the following steps: provide a casting mold (12), place at least one sheet-metal part (11) in the casting mold (12), produce a cast part (2) interconnected with the at l... | 04/18/2006 |
| 6964296 | 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 flattened tube (24), (70) extending between the hea... | 11/15/2005 |
| 6945321 | Heat exchangers A heat exchanger includes an aluminum member coated with a resin. The resin-coated aluminum member may be formed as a constituent part, e.g., a heat transfer member, a heater core, or the like, of the heat exchanger. In such heat exchangers, the aluminum member is c... | 09/20/2005 |
| 6419146 | Metal sandwich structure with integral hardpoint A superplastically formed, diffusion bonded sandwich structure having integral metal hardpoints, made by joining two superplastic metal core sheets together into a core pack by welding or diffusion bonding along a pattern of lines which form junction line... | 07/16/2002 |
| 6289977 | Heat exchanger, and heat exchanging beam, and related welding methods and production The module is formed from two sheets welded to each other by laser welding. Longitudinal weld beads define between them longitudinal ducts for the flow of a first fluid. The sheets are also joined together by a peripheral weld bead. The weld bead defines,... | 09/18/2001 |
| 5634269 | Thin plastic-film heat exchanger for absorption chillers A thin plastic-film heat exchanger element for apparatus, such as absorption chillers, is provided, having improved strengthening in the turning regions of the fluid passages, for enhanced resistance to bursting. A method of manufacture, for reduced wrink... | 06/03/1997 |
| 5505256 | Heat exchangers and methods of manufacture thereof It is common practice to assemble heat exchangers from a multitude of pre-formed and sometimes extremely delicate pieces. The pieces have to be held in jigs along with appropriately placed braze material and then heated to achieve brazing. The invention t... | 04/09/1996 |
| 5494100 | Welded plate fin heat exchanger and heat exchanger plate fin manufacturing process The heat exchanger of the welded plate type is characterized in that it comprises and receives an assembly of a plurality of modules (M) comprised of two plates (5 and 6), said plates being interconnected by connection zones obtained by laser welding and ... | 02/27/1996 |
| 5465484 | Heat exchanger A plate-fin type of heat exchanger (100) facilitates exchange of heat between two or more process streams (101, 102). It comprises a matrix (M) of two different types of heat exchange plate elements (P1, P2) inter-digitated with each other. Adjacent plate... | 11/14/1995 |
| 5408965 | Internal combustion engine oil pan with oil cooler An engine oil pan includes a reservoir for oil flowing from the engine and a heat exchanger for cooling the oil, with the heat exchanger having at least one passage formed by fluid expansion.... | 04/25/1995 |
| 5287918 | Heat exchangers A compact, high integrity heat exchanger element comprises a core layer through which the heat exchange fluid passes between its inlet and its outlet. The core layer includes a main heat exchange region containing heat exchange surfaces acting as fins. It... | 02/22/1994 |
| 5276966 | Enhanced stored chemical energy powered boiler A method for manufacturing a studded flow channel (38) results in enhancing the heat transfer performance of a hydraulically expanded heat exchanger such as a coiled tube boiler (10). The studs are machined or rolled into a flat metal sheet (20) prior to ... | 01/11/1994 |
| 5226299 | Heat-insulating means of cryogenic objects and method for producing of cooled radiation shields thereof The invention relates to cryogenic engineering. The heat-insulating means of cryogenic objects is a bank of cooled radiation shields (2) arranged coaxially with the cryogenic object, i.e. vessel (4), provided with heat-exchange channels (6) which intercom... | 07/13/1993 |
| 5221045 | Bulge formed cooling channels with a variable lead helix on a hollow body of revolution A method of constructing a nozzle having cooling channels comprises a shell and a liner which are formed into a body of revolution having an axis of revolution. Helical welds are formed to hold the liner and shell to each other with a channel position bei... | 06/22/1993 |
| 5141146 | Fabrication of superplastically formed trusscore structure Process for fabricating a superplastically formed trusscore structure from a pair of core elements each formed of a pair of metal sheets of a superplastic material, e.g. titanium. The sheets of each core element are welded together along pairs of closely ... | 08/25/1992 |
| 5138765 | Method of making an enhanced hydraulically expanded heat exchanger A method for manufacturing a ribbed flow channel (38) results in enhancing the heat transfer performance of a hydraulically expanded heat exchanger such as a coiled tube boiler (10). The ribs are machined or rolled into a flat metal sheet (20) prior to fo... | 08/18/1992 |
| 5070607 | Heat exchange and methods of manufacture thereof It is common practice to assemble heat exchangers from a multitude of pre-formed and sometimes extremely delicate pieces. The pieces have to be held in jigs along with appropriately placed braze material and then heated to achieve brazing. The invention t... | 12/10/1991 |
| 4820355 | Method for fabricating monolithic aluminum structures A method for forming monolithic structures from a plurality of aluminum or aluminum alloy sheets is provided which integrates a method for producing a selective fine grain structure in each of the sheets, with roll bonding and superplastic forming. The sh... | 04/11/1989 |
| 4662434 | Vibration free tubular apparatus and process for making same A novel apparatus comprising a plurality of parallel, spaced apart tubes and an expanded closed, flattened, elongated tube extending laterally between the spaced apart tubes and in firm contact with them. The novel process comprises inserting the closed, ... | 05/05/1987 |
| 4603460 | Method for manufacturing a heat exchanger A method of manufacturing a heat exchanger in which a laminate prepared by laminating many sheets one upon another so that the neighboring sheets may be formed with bonded portions and non-bonded portions, is expanded in such a direction that the respecti... | 08/05/1986 |
| 4601089 | Process for the manufacture of heat-exchanger elements of strip-finned heat-exchangers In a finned heat exchanger, preferably of aluminum, the feed of the fins (1) are secured to tubular passages (3, 3a, 3b) formed from plates (2) that have been rolled together and then expanded. The bond between the fins (1) and the plates (2) may be an ad... | 07/22/1986 |
| 4286365 | Heat exchangers A method of making a heat exchanger consisting of a conduit having a plurality of passes joined by integral return bends which comprises (i) bending two strips of material together in a zigzag manner to form a stack of substantially parallel passes, the two st... | 09/01/1981 |
| 4209885 | Process and apparatus for making composite sheet and heat exchanger panels therefrom A process and apparatus for making composite sheet and heat exchanger panels therefrom. At least two sheets of metal are bonded together by cold rolling to form a "green" bond. Immediately following the bonding operation the as bonded composite is quickly... | 07/01/1980 |
| 4209886 | Process and apparatus for making heat exchanger panels A process and apparatus for forming an as-rolled composite metal panel comprised of at least two sheets of metal having a bond therebetween which can be broken by inflation to form a desired pattern of tubular passageways. The deformation of the sheets of... | 07/01/1980 |
| 4182013 | Method of connecting metal tubes to metal sheets A solar collector panel consists of a metal sheet and a number of straight metal tubes intimately connected to the sheet in order to obtain maximum thermal conductivity. One tube each is connected to a sheet by slotting the latter along a straight line by... | 01/08/1980 |
| 4180897 | Method 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 |
| 4080702 | Method for obtaining hollow articles The disclosure teaches a method for the manufacture of hollow articles useful as heat exchangers including the steps of rolling together two sheets of metal with at least one metal tube sandwiched therebetween to form a bonded assembly. The metal tube is ... | 03/28/1978 |
| 4021901 | Method of sizing heat exchange panels A method for the manufacture of hollow articles comprising providing a first sheet of metal, placing on said first sheet a weld-inhibiting material in a pattern corresponding to a predetermined configuration of fluid passageways, forming an assembly by su... | 05/10/1977 |
| 4017953 | Heat exchangers A method of making a heat exchanger consisting of a conduit having a plurality of passes joined by integral return bends which comprises I. stacking at least three pairs of strips of material together so that each pair of strips is displaced laterally with res... | 04/19/1977 |
| 3991457 | Heater tube arrangements A heater head assembly of the type useful in a hot gas engine is disclosed. The assembly has a plurality of tubes or passages providing a communicating connection for the gas between high temperature working chambers and regenerators. In one embodiment, m... | 11/16/1976 |
