DE1926187A1 - Heat exchange element made of materials with low thermal conductivity and strength - Google Patents
Heat exchange element made of materials with low thermal conductivity and strengthInfo
- Publication number
- DE1926187A1 DE1926187A1 DE19691926187 DE1926187A DE1926187A1 DE 1926187 A1 DE1926187 A1 DE 1926187A1 DE 19691926187 DE19691926187 DE 19691926187 DE 1926187 A DE1926187 A DE 1926187A DE 1926187 A1 DE1926187 A1 DE 1926187A1
- Authority
- DE
- Germany
- Prior art keywords
- heat exchange
- exchange element
- webs
- element made
- thermal conductivity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
- F28D7/1615—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation the conduits being inside a casing and extending at an angle to the longitudinal axis of the casing; the conduits crossing the conduit for the other heat exchange medium
- F28D7/1623—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation the conduits being inside a casing and extending at an angle to the longitudinal axis of the casing; the conduits crossing the conduit for the other heat exchange medium with particular pattern of flow of the heat exchange media, e.g. change of flow direction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/0041—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for only one medium being tubes having parts touching each other or tubes assembled in panel form
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/14—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally
- F28F1/22—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally the means having portions engaging further tubular elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/06—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material
- F28F21/062—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material the heat-exchange apparatus employing tubular conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/007—Auxiliary supports for elements
- F28F9/013—Auxiliary supports for elements for tubes or tube-assemblies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/04—Arrangements for sealing elements into header boxes or end plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/04—Arrangements for sealing elements into header boxes or end plates
- F28F9/06—Arrangements for sealing elements into header boxes or end plates by dismountable joints
- F28F9/08—Arrangements for sealing elements into header boxes or end plates by dismountable joints by wedge-type connections, e.g. taper ferrule
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/4935—Heat exchanger or boiler making
- Y10T29/49377—Tube with heat transfer means
- Y10T29/49378—Finned tube
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Connection Of Plates (AREA)
Description
P K U t H S Ml H DR.- ING. Ii. M.'IOU
FO R i C. H U N Ci :>
L Λ U U K. A T U K. 1 U .M * U H
ANGEWANDTE »ARMEHChNU PKU t HS Ml H DR.- ING. Ii. M.'IOU
FO R i C. HUN Ci:> L Λ UU K. ATU K. 1 U .M * UH
APPLIED »ARMEHChNU
Wärmeaustauschelement aus Werkstoffen mit geringer Wärmeleitfähigkeit und FestigkeitHeat exchange element made of materials with low thermal conductivity and strength
Die Erfindung betrifft ein Wärmeaustauschelement zur wirtschaftlichen Übertragung von Wärmeströmen bis zurThe invention relates to a heat exchange element for economic transfer of heat flows up to
2 Größenordnung von etwa 1000 kcal/m h, wobei Werkstoffe, insbesondere Kunststoffe verwendet werden können, deren Wärmeleitfähigkeit und deren Temperaturfestigkeit (letztere bezogen auf etwa 100 grd) beide etwa 100 mal kleiner sind als die von Metallen, welche seither ausschliesslich zum Aufbau solcher Wärmeaustauschelemente verwendet worden sind.2 order of magnitude of about 1000 kcal / m h, whereby materials, In particular, plastics can be used, their thermal conductivity and their temperature resistance (the latter based on about 100 degrees) are both about 100 times smaller than that of metals, which has since been used exclusively have been used to construct such heat exchange elements.
Eine weitere Forderung, die der Gegenstand der Erfindung für die erfolgreiche Anwendung in der Praxis erfüllen muß, ist die statische Formstabilität. Hiermit ist gemeint, daß das Wärmeaustauschelement zumindest in einer Richtung seines Querschnittes ein so großes Widerstandsmoment besitzen muß, daß es an seinen Enden eingespannt oder aufgelegt in der Lage ist, ohne nennenswerte Durchbiegung freitragend größere Längen (z.B. mehrere Meter) zu überbrücken und dabei außer seinem Eigengewicht auch noch Kräfte aufzunehmen, die von einem strömenden Medium herrühren.Another requirement that the subject invention meet for successful use in practice must is the static dimensional stability. This means that the heat exchange element at least in one Direction of its cross section must have such a large section modulus that it is clamped at its ends or when placed on top, is able to carry longer unsupported lengths (e.g. several meters) without significant deflection to bridge and besides its own weight also absorb forces from a flowing medium originate.
Schliesslich ist es aus Gründen der Wirtschaftlichkeit noch unerläßlich, daß das Wärmeaustauschelement mit einem Minimum von Werkstoff- und Zeitaufwand auf einfachen, konventionellen Maschinen (z.B. Extrudern) hergestellt werden kann.Finally, for reasons of economy, it is still essential that the heat exchange element with a minimum of material and time expenditure on simple, conventional machines (e.g. extruders) can be produced.
All die vorgenannten Bedingungen werden erfindungsgemäß dadurch erreicht, daß eine Vielzahl dünner und dünnwandiger Rohrprofile, die durch kurze Stege miteinander verbunden sind, in einer Ebene, die durch alle Rohrprofil-Mittelpunkte und durch die Mitte aller Stege hindurchgellt, angeordnet sind und diesesAll of the aforementioned conditions are in accordance with the present invention achieved in that a large number of thin and thin-walled tubular profiles, which are connected by short webs are connected, in a plane passing through all pipe profile center points and through the center of all Bars through, are arranged and this
009848/0838009848/0838
-2--2-
und dieses Wärraeaustauschelement aus homogenem Werkstoff, in einem Stück gegossen, gespritzt oder extrudiert ist.and this heat exchange element made of homogeneous material, cast in one piece, injected or is extruded.
Weitere Gegenstände der Erfindung betreffen die Anwendung der Wärmeaustauschelemente zum Aufbau von Wärmeaustauschern und zwar:Further objects of the invention relate to the application of the heat exchange elements for the construction of Heat exchangers, namely:
daß zwei oder mehrere Austauschelemente durch Abstandsleisten, die in ihrem Profil dem Profil der Elemente angepaßt sind, und die zwischen die Elemente eingeklebt, eingeschweißt oder mechanisch durch Nieten, Schrauben oder Zuganker, welctje die Elemente an der Stelle der Stege durchdringen, verbunden sind,that two or more replacement elements by spacer strips that are in their profile the profile the elements are adapted, and glued, welded or between the elements mechanically by rivets, screws or tie rods, welctje the elements in place of the Webs penetrate, are connected,
daß zur Verbindung der Elemente mit Sammlern die Stege an den Anschlußstallen auf ein kurzes Stück herausgeschnitten a»ind und die dadurch gebildeten Einzelrohre nach Einschieben in Bohrungen der Sammelrohre durch Einkleben, oder durch Umgiessen der hervorstehenden Rohrenden oder durch Einschrauben von Gewinderohrhülsen mit konischer Erweiterung festgehalten sind,that to connect the elements with collectors, the webs on the connecting stalls on one a short piece cut out and the individual tubes thus formed after insertion in the bores of the header pipes by gluing or by casting around the protruding pipe ends or held in place by screwing in threaded pipe sleeves with a conical extension are,
daß zur Verbindung der Elemente mit Sammlern die Stege mit Löchern versehen oder an den Anschlußstellen auf ein kurzes Stück herausgeschnitten sind und durch Aufstecken auf Rohrstutzen in den Sammlern durch Aufschrumpfen und/ oder durch rohrschellenähnliche Verbindungen oder Schlauchklemmen festgehalten sind.that to connect the elements with collectors provided the webs with holes or to the Connection points are cut out to a short piece and by plugging onto pipe socket in the headers by shrinking them on and / or by means of pipe clamp-like connections or hose clamps are held in place.
009848/0838009848/0838
Die Erfindung wird anhand der Abbildungen näher erläutert.The invention is explained in more detail with reference to the figures.
Fig. 1 zeigt ein Wärmeaustauschelement gemäß der Erfindung in schräger Parallelprojektion und etwa natürlicher Größe. Die Rohrprofile (1) sind mit den Verbindungsstegen (2) verbunden. Das ganze Element wird zweckmäßig in einem Stück aus einem entsprechend geformten Mundstück extrudiert. Bei der meist gegebenen geringen Werkstoff-Festigkeit muß die Rohrwandstärke in der Größenordnung von 1/10. des Rohrdurchmessers liegen. Infolge der geringen Wärmeleitfähigkeit des Werkstoffes sollte weiterhin die Rohrwandstärke selbst in der Größenordnung von etwa 1 ram gehalten werden, sodaß durch die vorgegebenen Begrenzungen sich die Gesamtabmessungen zwangsläufig innerhalb eines eng begrenzten Rahmens bewegen. Aus wirtschaftlichen Gründen ist auch die Länge der Stege eine dem Rohrdurchmesser zugeordnete Größe, die in der Regel gleich oder kleiner als der Rohrdurchmesser ausgeführt werden wird. Bei einer Übereinanderanordnung von z.B. 10 oder mehr Rohrprofilen ergeben sich für die Achsrichtung der Übereinanderanordnung Widerstandsmomente, welche freitragende Längen von mehreren Metern zulassen,Fig. 1 shows a heat exchange element according to the invention in an oblique parallel projection and approximately natural size. The pipe profiles (1) are connected to the connecting webs (2). The whole The element is expediently extruded in one piece from a correspondingly shaped mouthpiece. With the mostly given low material strength, the pipe wall thickness must be of the order of magnitude from 1/10. of the pipe diameter. Due to the low thermal conductivity of the material should continue to be kept the pipe wall thickness itself in the order of about 1 ram, so that through the given limitations the overall dimensions inevitably within a narrowly limited range Move the frame. For economic reasons, the length of the webs is also one of the pipe diameter assigned size, which is usually made equal to or smaller than the pipe diameter. If, for example, 10 or more pipe profiles are arranged one above the other, this results in the axial direction the stacking resistance moments, which allow unsupported lengths of several meters,
Fig. 2 zeigt in schräger Parallelprojektion die Zusammenfassung von mehreren Elementen nach Fig. 1 durch Abstandsleisten (3), welche duöch Verkleben, Verschwüssen oder durch mechanische Befestigungen wie Zuganker mit den Elementen verbunden sind. Durch Hebeneinanderanordnung zahlreicher Elemente ergibt sich ein nach allen Achsrichtungen hin hohes Widerstandsmoment für eine derartige Sandwich-Bauweise. FIG. 2 shows the combination of several elements according to FIG. 1 in an oblique parallel projection by means of spacer strips (3), which can be glued, welded or by mechanical fastenings how tie rods are connected to the elements. By arranging numerous elements one next to the other This results in a high section modulus in all axial directions for such a sandwich construction.
009848/083 8009848/083 8
192618192618
In Fig. 3 ist ein Element gezeigt/ bei dem zum Zweck des Anschlusses an Sammler die Stege um ein kurzes Stück (4) herausgeschnitten sind.In Fig. 3 an element is shown / in which the webs around a for the purpose of connection to collectors short piece (4) are cut out.
In Fig. 4 ist eine Ausfuhrungsform gezeigt, bei der ein Element in den Stegen Ausstanzungen (5) besitzt, die zur Befestigung des Elementes mit Sammlern Anwendung finden können.In Fig. 4 an embodiment is shown in which an element in the webs has punch-outs (5) which are used for fastening the element with Collectors can find application.
Fig. 5 zeigt den Einbau eines Elementes mit herausgeschnittenen Stegen nach Fig. 3 in die Wand (6) eines Sammlers, welche Bohrungen oder Ausstanzungen im Abstand der Rohrprofile des Elementes besitzt. Die durch die herausgeschnittenen Stege gebildeten Einzelrohre sind in die Bohrungen des Sammlers (6) eingeführt und durch Vergiessen, z.B. mit einem Zweikomponenten-Gießharz (7) fest und dicht mit der Sammlerwandung (6) verbunden.Fig. 5 shows the installation of an element with cut-out webs according to Fig. 3 in the wall (6) a collector, which has holes or punched holes at a distance between the tubular profiles of the element. The individual tubes formed by the cut-out webs are inserted into the holes in the collector (6) introduced and by casting, e.g. with a two-component casting resin (7) firmly and tightly with the collector wall (6) connected.
In Fig. 6 ist eine mechanische Verbindung eines Elementes nach Fig. 3 mit einer gelochten Sammlerwandung (6) gezeigt. Die feste und dichte Verbindung erfolgt hier durch Einschrauben von Rohrhülsen )8) mit konischer Erweiterung (9), wobei sich das Gewinde der Rohrhülsen (8) beim Einschrauben in die Rohrstutzen des Elementes einschneidet.6 shows a mechanical connection of an element according to FIG. 3 with a perforated collector wall (6) shown. The tight and tight connection is made here by screwing in pipe sleeves) 8) with conical extension (9), whereby the thread of the pipe sleeves (8) when screwing into the pipe socket of the element cuts.
In Fig. 7 ist eine Befestigung eines Elementes nach Fig. 3 mit einer Sammlerwand)! (6) gezeigt, wobei die Einzelrohre auf in der Sammlerwand (6) befestigte Rohrstutzen (lo) warm aufgeschoben und durch nach_ folgende Abkühlung aufgeschrumpft sind.In Fig. 7 is a fastening of an element according to Fig. 3 with a collector wall)! (6), with the Single pipes are pushed onto the pipe socket (lo) fastened in the collector wall (6) while they are warm and following cooling have shrunk.
Fig. 8 gibt eine Befestigung eines Elementes nach Fig.3 oder Fig.4 mit Rohrstutzten (11) auf einer Sammlerwand (6) mittels durchlaufender Rohrschellenbänder (12) und Schrauben (13) wieder.Fig. 8 shows an attachment of an element according to Fig.3 or Fig.4 with pipe socket (11) on a Collector wall (6) by means of continuous pipe clamp bands (12) and screws (13) again.
009848/0838009848/0838
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Anstelle der Verbindung zweier Rohrschellenbänder durch Schrauben (13) könen diese Bänder miteinander auch durch Umlegen von Blechlappen innerhalb des freien vorher von den Rohrstegen eingenommenen Raumes verbunden werden.Instead of connecting two pipe clamp bands with screws (13), these bands can be joined together also by folding sheet metal tabs within the free space previously occupied by the pipe webs get connected.
009848/0838009848/0838
Claims (4)
Priority Applications (14)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19691926187 DE1926187A1 (en) | 1969-05-22 | 1969-05-22 | Heat exchange element made of materials with low thermal conductivity and strength |
DE19691937783 DE1937783B2 (en) | 1969-05-22 | 1969-07-25 | HEAT EXCHANGER ELEMENT FOR PARTITION WALL HEAT EXCHANGER |
DE19691948407 DE1948407A1 (en) | 1969-05-22 | 1969-09-25 | Heat exchange element made of materials with low thermal conductivity and strength |
CH528870A CH517281A (en) | 1969-05-22 | 1970-04-09 | Heat exchangers made from a material with low thermal conductivity and low strength |
NL7005449A NL7005449A (en) | 1969-05-22 | 1970-04-15 | |
US32659A US3648768A (en) | 1969-05-22 | 1970-04-28 | Heat-exchanger components |
GB2075670A GB1311998A (en) | 1969-05-22 | 1970-04-30 | Heat exchanger components |
YU01248/70A YU33418B (en) | 1969-05-22 | 1970-05-15 | Elemenat toplotne razmene |
JP45042795A JPS4930180B1 (en) | 1969-05-22 | 1970-05-19 | |
BE750699D BE750699A (en) | 1969-05-22 | 1970-05-21 | HEAT EXCHANGE ELEMENT IN THE FORM OF A LOW THERMAL CONDUCTIBILITY AND LOW SOLIDITY MATERIAL |
FR7018408A FR2043609B1 (en) | 1969-05-22 | 1970-05-21 | |
RO63427A RO61351A (en) | 1969-05-22 | 1970-05-22 | |
CS3596A CS174119B2 (en) | 1969-05-22 | 1970-05-22 | |
BG014760A BG20404A3 (en) | 1969-05-22 | 1970-05-22 | HEAT EXCHANGE ELEMENT OF MATERIAL WITH LOW THERMAL CONDUCTIVITY AND LOW STRENGTH |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19691926187 DE1926187A1 (en) | 1969-05-22 | 1969-05-22 | Heat exchange element made of materials with low thermal conductivity and strength |
DE19691937783 DE1937783B2 (en) | 1969-05-22 | 1969-07-25 | HEAT EXCHANGER ELEMENT FOR PARTITION WALL HEAT EXCHANGER |
DE19691948407 DE1948407A1 (en) | 1969-05-22 | 1969-09-25 | Heat exchange element made of materials with low thermal conductivity and strength |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1926187A1 true DE1926187A1 (en) | 1970-11-26 |
Family
ID=27181942
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19691926187 Pending DE1926187A1 (en) | 1969-05-22 | 1969-05-22 | Heat exchange element made of materials with low thermal conductivity and strength |
DE19691937783 Withdrawn DE1937783B2 (en) | 1969-05-22 | 1969-07-25 | HEAT EXCHANGER ELEMENT FOR PARTITION WALL HEAT EXCHANGER |
DE19691948407 Pending DE1948407A1 (en) | 1969-05-22 | 1969-09-25 | Heat exchange element made of materials with low thermal conductivity and strength |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19691937783 Withdrawn DE1937783B2 (en) | 1969-05-22 | 1969-07-25 | HEAT EXCHANGER ELEMENT FOR PARTITION WALL HEAT EXCHANGER |
DE19691948407 Pending DE1948407A1 (en) | 1969-05-22 | 1969-09-25 | Heat exchange element made of materials with low thermal conductivity and strength |
Country Status (12)
Country | Link |
---|---|
US (1) | US3648768A (en) |
JP (1) | JPS4930180B1 (en) |
BE (1) | BE750699A (en) |
BG (1) | BG20404A3 (en) |
CH (1) | CH517281A (en) |
CS (1) | CS174119B2 (en) |
DE (3) | DE1926187A1 (en) |
FR (1) | FR2043609B1 (en) |
GB (1) | GB1311998A (en) |
NL (1) | NL7005449A (en) |
RO (1) | RO61351A (en) |
YU (1) | YU33418B (en) |
Cited By (9)
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DE2454086A1 (en) * | 1974-11-14 | 1976-05-26 | Liebherr Verzahntech Gmbh | Gear finishing machine workpiece magazine - has workpiece holders travelling along rail mounted edgewise on rollers |
EP0121445A1 (en) * | 1983-04-05 | 1984-10-10 | Ngk Insulators, Ltd. | Multi-channel body |
DE3512874A1 (en) * | 1984-05-17 | 1986-03-27 | Veb Vereinigte Netz- Und Seilwerke Heidenau, Ddr 8312 Heidenau | Flexible heat transfer element |
FR2592468A1 (en) * | 1985-12-26 | 1987-07-03 | Moureau Georges | Exchanger for the concentrating of solutions and various liquids |
USRE33013E (en) * | 1983-04-05 | 1989-08-08 | Ngk Insulators, Ltd. | Multi-channel body |
US5018959A (en) * | 1988-07-05 | 1991-05-28 | Uponor N.V. | Device for producing a grate construction and a grate construction |
DE4033373A1 (en) * | 1990-10-18 | 1992-04-23 | Mannesmann Ag | Rail guided trolley for production flowlines, etc. - is of U=section, fitting over I=section rail with drive wheels on one side and contacts to electrical services on other |
EP0683372A1 (en) * | 1994-05-16 | 1995-11-22 | Sanden Corporation | Heat exchanger and method of making heat exchangers |
DE4122400B4 (en) * | 1990-10-18 | 2004-04-15 | Siemens Ag | trolley |
Families Citing this family (70)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4098331A (en) * | 1974-10-07 | 1978-07-04 | Fafco, Incorporated | Solar heat exchange panel and method of fabrication |
DE2528267A1 (en) * | 1975-06-25 | 1977-01-20 | Buderus Eisenwerk | DEVICE FOR TRANSFERRING SOLAR ENERGY TO A LIQUID MEDIUM |
FR2329962A1 (en) * | 1975-11-03 | 1977-05-27 | Applimo Applic Thermo Elec | Indirect gas heat exchanger - has tubes in plate form wound round transverse buspipe leaving passage for other gas |
DE2618827A1 (en) * | 1976-04-29 | 1977-11-17 | Bruno Riech | SOLAR PANEL |
FR2362358A1 (en) * | 1976-08-18 | 1978-03-17 | Hamon Sobelco Sa | HEAT EXCHANGER WITH EXCHANGE WALL FORMED BY FLEXIBLE TUBES |
US4043015A (en) * | 1976-08-18 | 1977-08-23 | Brazeway, Inc. | Method of forming a header assembly |
JPS54101539A (en) * | 1978-01-27 | 1979-08-10 | Kobe Steel Ltd | Heat exchange pipe for use with water-sprinkling type, panel-shaped, liquefied natural gas evaporator and combination of such pipes and their manufacturing method |
CH625611A5 (en) * | 1978-03-15 | 1981-09-30 | Sulzer Ag | |
US4178909A (en) * | 1978-05-01 | 1979-12-18 | Reynolds Metals Company | Solar collector |
FR2441821A1 (en) * | 1978-11-15 | 1980-06-13 | Collard Et A Trolart Sa G | Parallel heat exchanger tubes - have liquids circulating in opposite directions and are held apart by welded longitudinal web |
US4381764A (en) * | 1980-03-20 | 1983-05-03 | Warren Wojcik | Solar panel |
FR2481433B1 (en) * | 1980-04-24 | 1985-06-28 | Armines | FLEXIBLE TUBE HEAT EXCHANGER |
US4341346A (en) * | 1980-07-30 | 1982-07-27 | Alcan Aluminium (U.K.) Ltd. | Radiators for use in hot water central heating systems |
US4414960A (en) * | 1982-05-10 | 1983-11-15 | Insolar, Inc. | Solar collection mat element |
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EP0168558B1 (en) * | 1984-07-18 | 1990-01-31 | Akzo Patente GmbH | Method and apparatus for making heat and/or matter exchangers comprising tubes |
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-
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- 1969-05-22 DE DE19691926187 patent/DE1926187A1/en active Pending
- 1969-07-25 DE DE19691937783 patent/DE1937783B2/en not_active Withdrawn
- 1969-09-25 DE DE19691948407 patent/DE1948407A1/en active Pending
-
1970
- 1970-04-09 CH CH528870A patent/CH517281A/en not_active IP Right Cessation
- 1970-04-15 NL NL7005449A patent/NL7005449A/xx unknown
- 1970-04-28 US US32659A patent/US3648768A/en not_active Expired - Lifetime
- 1970-04-30 GB GB2075670A patent/GB1311998A/en not_active Expired
- 1970-05-15 YU YU01248/70A patent/YU33418B/en unknown
- 1970-05-19 JP JP45042795A patent/JPS4930180B1/ja active Pending
- 1970-05-21 BE BE750699D patent/BE750699A/en unknown
- 1970-05-21 FR FR7018408A patent/FR2043609B1/fr not_active Expired
- 1970-05-22 BG BG014760A patent/BG20404A3/en unknown
- 1970-05-22 CS CS3596A patent/CS174119B2/cs unknown
- 1970-05-22 RO RO63427A patent/RO61351A/ro unknown
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2454086A1 (en) * | 1974-11-14 | 1976-05-26 | Liebherr Verzahntech Gmbh | Gear finishing machine workpiece magazine - has workpiece holders travelling along rail mounted edgewise on rollers |
EP0121445A1 (en) * | 1983-04-05 | 1984-10-10 | Ngk Insulators, Ltd. | Multi-channel body |
USRE33013E (en) * | 1983-04-05 | 1989-08-08 | Ngk Insulators, Ltd. | Multi-channel body |
DE3512874A1 (en) * | 1984-05-17 | 1986-03-27 | Veb Vereinigte Netz- Und Seilwerke Heidenau, Ddr 8312 Heidenau | Flexible heat transfer element |
FR2592468A1 (en) * | 1985-12-26 | 1987-07-03 | Moureau Georges | Exchanger for the concentrating of solutions and various liquids |
US5018959A (en) * | 1988-07-05 | 1991-05-28 | Uponor N.V. | Device for producing a grate construction and a grate construction |
DE4033373A1 (en) * | 1990-10-18 | 1992-04-23 | Mannesmann Ag | Rail guided trolley for production flowlines, etc. - is of U=section, fitting over I=section rail with drive wheels on one side and contacts to electrical services on other |
DE4122400B4 (en) * | 1990-10-18 | 2004-04-15 | Siemens Ag | trolley |
EP0683372A1 (en) * | 1994-05-16 | 1995-11-22 | Sanden Corporation | Heat exchanger and method of making heat exchangers |
Also Published As
Publication number | Publication date |
---|---|
YU124870A (en) | 1976-06-30 |
CH517281A (en) | 1971-12-31 |
DE1937783A1 (en) | 1971-02-04 |
BG20404A3 (en) | 1975-11-05 |
DE1948407A1 (en) | 1971-04-08 |
DE1937783B2 (en) | 1977-12-29 |
YU33418B (en) | 1976-12-31 |
NL7005449A (en) | 1970-11-24 |
US3648768B1 (en) | 1983-10-18 |
CS174119B2 (en) | 1977-03-31 |
BE750699A (en) | 1970-11-23 |
FR2043609A1 (en) | 1971-02-19 |
RO61351A (en) | 1977-01-15 |
US3648768A (en) | 1972-03-14 |
FR2043609B1 (en) | 1974-02-01 |
GB1311998A (en) | 1973-03-28 |
JPS4930180B1 (en) | 1974-08-10 |
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