A metal assembly (1) suitable for being wound into a coil and used in DC magnet applications. The metal assembly comprises an insulated superconductive wire (2) extending in a longitudinal direction. The insulated superconductive wire comprises a superconductive wire(4), comprising a material (5) that exhibits superconducting properties within a defined temperature range embedded in a metal matrix(6), and an electrically insulating layer (7) arranged as a coating on the superconductive wire. The metal assembly further comprises a thermal conduction element (3) comprising a thermally conductive material arranged as a layer at least partly surrounding the insulated superconductive wire, such that the metal assembly, when wound into a coil, exhibits isotropic or essentially isotropic thermal conduction properties.
The present invention provides a sectional uneven inner grooved tube (1) for heat transfer, comprising: at least one first fin (10) having a first height, wherein said at least one first fin is arranged on the inner surface of the sectional uneven inner grooved tube; and at least one second fin (20) having a second height greater than the first height, wherein said at least one second fin is arranged on the inner surface of the sectional uneven inner grooved tube and is spaced apart from said at least one first fin. With fins having different heights, a desirable space can be kept when the sectional inner grooved tube is flattened to fit into limited spaces, so that the heat transfer efficiency will be significantly improved, as compared to inner grooved tubes with fins having the same height.
F28F 1/40 - Éléments tubulaires ou leurs ensembles avec moyens pour augmenter la surface de transfert de chaleur, p. ex. avec des ailettes, avec des saillies, avec des évidements les moyens étant uniquement à l'intérieur de l'élément tubulaire
A tube for heat transfer in which the inner surface of the tube is grooved into a pattern. The pattern includes a first fin (10) and a second fin (20) which have different shapes, wherein the first fin comprises a shaft and a head integrally formed, the shaft extending from the inner surface in a direction away from the inner surface, the head extending from the shaft in a direction away from the inner surface. In a transverse cross section of the tube, the circumferential width of the head is larger than that of the shaft.
F28F 1/40 - Éléments tubulaires ou leurs ensembles avec moyens pour augmenter la surface de transfert de chaleur, p. ex. avec des ailettes, avec des saillies, avec des évidements les moyens étant uniquement à l'intérieur de l'élément tubulaire
The present disclosure presents a seamless grooved tube. The inner surface of the tube is grooved into a pattern, the pattern including at least one rib (1). At least a part of the at least one rib is roughened.
F28F 1/40 - Éléments tubulaires ou leurs ensembles avec moyens pour augmenter la surface de transfert de chaleur, p. ex. avec des ailettes, avec des saillies, avec des évidements les moyens étant uniquement à l'intérieur de l'élément tubulaire
5.
A PIVOTABLE TUNDISH AND A METHOD FOR CONTINUOUS CASTING A METAL ALLOY, USE OF A PIVOTABLE TUNDISH AND AN ELONGATED CAST BAR OF A METAL ALLOY
A pivotable tundish (1) for continuous casting a metal alloy. The tundish comprises a body (3) comprising a first chamber (5), a second chamber (7), a first passage (12) between the first chamber and the second chamber, and a second passage (16) between the second chamber and a mold (9). The first chamber is adapted to receive and hold a base metal constituting the base for forming the metal alloy by addition of alloying elements. The metal alloy is fed from the second chamber to the mold through the second passage. The second chamber further comprises a first portion (30) and a second portion (32), and a third passage (36) between the first portion and the second portion. In the casting state the metal alloy is formed while casting by adding the alloying elements to the second portion of the second chamber.
The invention relates to a reeling apparatus (1 ) and a method for coiling a tube using the apparatus. The apparatus is config¬ ured to coil a tube (5), and comprises a mai n reel (2) connected to a spi ndle (3) and configured to rotate around a central axis (C), a tube holding ring (4) configured to rotate together with the main reel and to collect an initial part of the tube, a guide ele¬ ment (6) at a distance (d2) from the main reel to guide the tube to the apparatus. The tube holding ring is located outside and at a radial distance (d 1 ) from the main reel with respect to the cen¬ tral axis, and the guide element is movable between an outer position (A) for guiding the tube to be coiled onto the tube hold¬ ing ring, and an inner position (B) for guiding the tube to be coiled onto the main reel.
B65H 54/34 - Dispositifs de va-et-vientDispositions pour la mise en forme des paquets pour la formation d'un enroulement auxiliaire, p. ex. réserve de transfert
B65H 54/56 - Enroulage d'écheveaux ou d'échevettes
B65H 54/80 - Appareils dans lesquels le dispositif de dépose ou le récipient sont animés d'un mouvement de rotation
The invention provides a heat transfer pipe for heat exchanger, an inner surface of the heat transfer pipe being provided alternately with a plurality of helical primary teeth (21, 22, 23, 24, 25, 26, 27) and a plurality of grooves (31, 32, 33, 34, 35, 36), each groove being disposed between adjacent primary teeth, wherein a protrusion set is provided in at least one groove (31, 36), the protrusion set comprises a plurality of protrusions (41) sequentially and intermittently disposed in an extending direction of the primary teeth, and each protrusion (41) has a radial height lower than those of the primary teeth, and wherein at least one groove having no protrusion set (32, 33, 34, 35) is provided between the adjacent ones (31, 36) of the grooves each having a protrusion set. In this way, the above heat transfer pipe suppresses significantly increasing flow resistance of a fluid, and is easy to manufacture with low manufacturing cost, at the same time of improving the efficiency of heat exchange.
F28F 1/40 - Éléments tubulaires ou leurs ensembles avec moyens pour augmenter la surface de transfert de chaleur, p. ex. avec des ailettes, avec des saillies, avec des évidements les moyens étant uniquement à l'intérieur de l'élément tubulaire
F28F 13/18 - Dispositions pour modifier le transfert de chaleur, p. ex. accroissement, diminution par application de revêtements, p. ex. absorbant les radiations ou les réfléchissantDispositions pour modifier le transfert de chaleur, p. ex. accroissement, diminution par application d'un traitement de surface, p. ex. un polissage
8.
A NEW ELECTRICAL CONDUCTOR FOR ATTACHING SILICON WAFERS IN PHOTOVOLTAIC MODULES
The invention relates to an electrical conductor (2) having a longitudinal axis (A) parallel to the rolling direction of a conductor wire, comprising copper material and an attachment surface (7) configured for attaching to a receiving surface of a silicon wafer (3) to establish an electrical connection. The copper material has a pu rity of at least 99.5% wherein the grains have a cubic texture comprising a set of cubic axes directed within an up to 20 degree angular range to the longitudinal axis (A), and whereby at least 65% of the grains have said cubic texture. The invention also relates to a process for manufacturing conductor (2) and photovoltaic modules comprising said conductor (2), and silicon wafers.
Alloys comprising copper, iron, tin and, optionally, phosphorus or copper, zinc, tin and, optionally, phosphorus, which can be used in, for example, a copper alloy tube for heat exchangers that provides excellent fracture strength and processability for reducing the weight of the tube and for use in high pressure applications with cooling media such as carbon dioxide.
An alloy comprising copper, nickel, tin and, optionally, phosphorus which can be used in, for example, a copper alloy tube for heat exchangers that provides excellent fracture strength and processability for reducing the weight of the tube and for use in high pressure applications with cooling media such as carbon dioxide.
F28D 1/02 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes pour une seule des sources de potentiel calorifique, les deux sources étant en contact chacune avec un côté de la paroi de la canalisation, dans lesquels l'autre source de potentiel calorifique est une grande masse de fluide, p. ex. radiateurs domestiques ou de moteur de voiture avec des canalisations d'échange de chaleur immergées dans la masse du fluide
11.
METHOD FOR PRODUCING A COOLING ELEMENT FOR PYROMETALLURGICAL REACTOR AND THE COOLING ELEMENT
Cooling element (2) for pyrometallurgical reactors and method of manufacturing the element, wherein at least one cooling channel (1) having two ends is provided first. Each end of the cooling channel (1) has connection means (17) for cooling medium and at least one cooling channel (1) is connected connecting means to a wall of pyrometallurgical reactor. Further, at least one tube having an outer cross section and inner cross section is formed and the tube bent to an open loop to form at least one cooling channel, the ends of which being joinable to the means (3) for connecting the cooling channel (1) to a wall of pyrometallurgical reactor.
Cooling element (2) for pyrometallurgical reactors and method of manufacturing the element, the element comprising a body (4) having at least one cooling channel (5) within, the direction of the cooling channel determining the lengthwise direction of the element (2). In the element there is at least one attachment groove (6) on one surface of the element (2) for attaching refractory tiles to the element and a passage (7) for cooling fluid into at least one cooling channel (5). At least one attachment groove (6) runs parallel to at least one cooling channel (5)and at least the surface opposite to the surface wherein the attachment groove (6) is made is continuously and evenly curved in direction crosswise to the cooling channels.
The invention relates to an assembly (1, 35, 71) of metal elements constituting a precursor for a superconductor. The assembly comprises at least one conductor element (5, 41, 73) adapted to provide a superconducting filament in the finished superconductor, and at least one doping element (7, 43, 75) providing a doping source for doping the conductor element. The invention also relates to a method suitable for producing a superconductor.
H01L 39/24 - Procédés ou appareils spécialement adaptés à la fabrication ou au traitement des dispositifs couverts par ou de leurs parties constitutives
B21C 37/04 - Fabrication de tôles, barres, fils, tubes ou profilés métalliques ou de produits semi-finis similaires, non prévue ailleursFabrication de tubes de forme particulière des barres ou fils métalliques
The invention relates to a resistance welding electrode adapter arm (1) made in a metal having a high electric conductivity. The electrode adapter arm is adapted to conduct an electric welding current to a work piece in order to achieve a welding of the work piece. The invention also relates to a resistance welding electrode adapter tip (3). The welding electrode adapter arm is adapted to allow fastening and releasing of the resistance welding electrode adapter tip in a replaceable manner. The resistance welding electrode adapter tip allows fastening and releasing of a replaceable welding tip (29).
A light-weight, aluminum core, multi-stabilized, superconducting wire having improved electrical and mechanical properties. The superconducting wire has NbTi superconducting filaments embedded in a normal stablilizing copper metal matrix that encapsulates an aluminum central core.
