EP1340953A2 - Wärmetauscher, insbesondere für Schwimmbäder - Google Patents
Wärmetauscher, insbesondere für Schwimmbäder Download PDFInfo
- Publication number
- EP1340953A2 EP1340953A2 EP03004138A EP03004138A EP1340953A2 EP 1340953 A2 EP1340953 A2 EP 1340953A2 EP 03004138 A EP03004138 A EP 03004138A EP 03004138 A EP03004138 A EP 03004138A EP 1340953 A2 EP1340953 A2 EP 1340953A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- medium
- heat exchanger
- separate connections
- corrugated hose
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- F28F9/0246—Arrangements for connecting header boxes with flow lines
-
- 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
- F28D7/02—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 helically coiled
- F28D7/024—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 helically coiled the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
-
- 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
- F28F1/08—Tubular elements crimped or corrugated in longitudinal section
-
- 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
- F28F9/0246—Arrangements for connecting header boxes with flow lines
- F28F9/0248—Arrangements for sealing connectors to header boxes
Definitions
- the invention relates to a heat exchanger, in particular for swimming pools, consisting of a substantially cylindrical housing, which by a the first medium is flowed through essentially axially, with the housing on its axial end connections for connection to adjacent line sections for the first medium while a second medium over two separate connections extending radially to the housing one in Housing laid and traversed as a helix flows through the helix axis runs parallel to or identical to the housing axis, the helical line for the second medium consists of a corrugated hose, which has radial end portions which are connected to the separate Connections for the second medium are connected and defined there.
- Such swimming pool heat exchangers are used for the bath water to heat as the first medium with the help of heating water as the second medium, where the ratio of the volume flows of bathing water and heating water in the Of the order of 5 to 1.
- the bath water flows through the heat exchanger in the axial direction and flows around the heating water pipe, those for increasing the heat exchange surfaces are helical in the heat exchanger housing is misplaced.
- the helical Obtaining conduction is usually cylindrical within the coil Displacement body arranged around the bath water flow Heating water pipe directs.
- Such heat exchanger designs are also for others Known areas of application and so z. B. also with fuel coolers, as in DE-A 34 40 060 is disclosed.
- the helical Pipeline from the inside, i.e. under very cramped conditions a housing opening in alignment with those that run radially on the outside separate connections must be welded.
- helical heating water pipe made of stainless steel as well as the housing; at particularly susceptible to corrosion, such as when used for mineral or sea water baths, the components are also made of titanium.
- the design has a helical pipe and one usually additionally arranged inside the helix inevitably leads to a relatively large construction volume with a correspondingly large weight, this large construction volume due to the consistently used high-quality materials also correspondingly large manufacturing costs.
- the present invention is based on this prior art Task based on a heat exchanger especially for swimming pools To provide, which is easier to assemble and cheaper Manufacturability distinguishes.
- the end sections of the corrugated hose are advantageously in the separate ones Connections for the second medium plugged in and there, for example Pins set that engage positively in the corrugation troughs of the corrugated hose.
- the corrugated hose is also fixed in the separate connections about other fixing means such as the corrugated hose acting clamps, locking or clamping elements and the like possible as long as they meet the loads and requirements such as in the present exemplary application of a swimming pool heat exchanger consist.
- the separate connections for the second medium are formed separately from the housing and inserted through the housing openings, so that when the heat exchanger is installed, the corrugated hose coil is first inserted into the housing and only then separate connections are inserted from the outside into the radial housing openings and finally the plug connection between corrugated hose and separate connections is made when the separate connections are inserted into the housing.
- the corrugated hose can be fixed to the separate connections using the fixing pins mentioned.
- various embodiments are conceivable, such as a screw connection.
- This plug-in assembly can be secured against pulling out the separate connections from the housing - similar to the case of the corrugated hose plug connection - by means of fixing means in the form of fixing pins, which act on the inside of the housing and attach them positively to the housing wall by the fixing pins lay the inside wall of the housing.
- the specified and required anti-rotation protection of the separate connections the housing can be easily through a hexagon shape knurling, polygon or other polygonal shape can be achieved, the separate connection of a shoulder or a collar in the mentioned hexagon shape can have, while the housing opening at least in some areas should have a form-fitting collar.
- a fixing device other than the fixing pin can, for example, by a barb-like Establish a locking connection.
- Another means of determination can be formed in that in addition to the sealing element on the Corrugated hose plugged in and together with this in the separate connection is inserted, the fixing means being opposite in diameter the diameter of the separate connection should be dimensioned in such a way that it lies under tension on the inside, the fixing means also engage in the corrugated hose with a positive fit should.
- the corrugated hose end section can expediently be made from a simple Cut corrugated hose part formed. It is particularly advantageous but when the corrugated hose end section is calibrated by stretching and something in its flexibility is reduced to when plugged into the separate connector not give in by compressing in the axial direction.
- the end section of the corrugated hose can also be a the corrugated hose, for example, is attached by smooth-walled welding Pipe are formed, which then the connector with the separate connection received.
- the tube can have groove-shaped depressions on its outside have inserted into the O-rings to seal the connector become.
- this embodiment is expressly intended as one variant of the corrugated hose end section falling under the present main claim be seen.
- the spacers mentioned have the further advantage that through them the corrugated hose is supported, so that flow-induced noise emissions to be able to prevent.
- it should be mentioned that it not only to improve the flow, but also to prevent flow-related noises may be recommended, one or more Flow body in the form of baffle plates in the housing and the corrugated hose coil use.
- a particular advantage of the simplified assembly of the Heat exchanger and also the fact that the separate connections are not are integrally connected to the housing, but are formed separately from this is that only those responsible for heat exchange Surfaces, i.e. the corrugated hose, must be made of stainless steel, while the housing can be made of corrosion-resistant plastic, whereby the cost of the heat exchanger according to the invention again drastically reduce.
- the state of the art the helical line to the housing in the area of the radial openings welded on and connected to the radial connections, so that a weldable corrosion-resistant material for the housing, stainless steel in particular was required.
- the first medium usually consists of the swimming pool water, while the second medium through the heating medium or the heating water is formed.
- the present heat exchanger can also be used but also use to cool fluids, the second medium then must have a temperature that is lower than the fluid temperature.
- the present subject matter of the invention has the advantage that for a heat exchanger housing, which is due to the required volume throughput can only have connections for one medium at the end, the second medium via radial connections into the heat exchanger and over there a corrugated hose coil with maximum length and thus maximum for the Heat exchange responsible surface can be transported. That is, it no transition areas such as manifolds or the like are required, which the Connection between the corrugated hose and the one on the outside of the housing Establish arranged connections and mostly due to abprupt changes a large pressure drop in the direction of flow and not because of their own a reduced exchanger capacity for the length to be used for heat exchange cause.
- the object of the invention where the corrugated hose directly into the separate connections for the second medium passes over, in comparison with heat exchanger designs of comparable dimensions a significantly reduced pressure loss or an improved one Heat exchanger performance.
- the omission of welded connections enables of the metallic components with regard to the connection of the corrugated hose the separate connections to use a greatly simplified connection technology, and regarding the connection between the heat exchanger housing and the separate connections, both objects made of different materials to be able to manufacture, so that now the housing from inexpensive Plastic can exist.
- the heat exchanger 1 shown in Figure 1 consists of an approximately cylindrical housing 2 and a corrugated hose coil 3 laid in the housing.
- the corrugated hose coil 3 is second medium, in the present case flows through heating water, whereby the corrugated hose 3 is connected to two separate connections 6, 7 which are passed through openings 8, 9 in the heat exchanger housing and radially protrude outwards, where they have external threads 10, 11 to adjacent line sections can be connected.
- connection of the corrugated hose end sections 12, 13 to the end sections 14, 15 of the separate connections 6, 7 is made by plugging one into the other, respectively a sealing element 16 between corrugated hose and separate connection, 17 is arranged in the form of at least one O-ring which at least in a form-fitting manner a terminal curl engages.
- Each corrugated hose end section 12, 13 is the separate one in the end sections 14, 15 Connections 6, 7 via two on opposite sides of the corrugated hose attacking fixing pins 18, 19 set in a Interfering with the trough of a terminal corrugation from the outside and through openings are guided in the end sections of the separate connections.
- the separate connections 6, 7 are from the outside into the openings 8, 9 of the heat exchanger housing inserted and there also via two fixing pins 20, 21 set in the end position.
- Each of these fixing pins 20, 21 is expediently and in one piece to simplify the assembly effort one of the fixing pins 18, 19 connected to fix the corrugated hose coil.
- the locating pins are held in position by screw-in sleeves are formed by the connections 4, 5 for the first medium and in the axial direction are screwed onto the front ends of the heat exchanger housing.
- the heat exchanger 1 is assembled in the following steps: In the cylindrical Housing 2, the helix 1 is inserted, from the outside the separate Connections 6, 7 inserted into the housing openings 8, 9 and on the end sections 12, 13 of the corrugated hose coil attached; then be through the fixing pins 18, 19 and 20, 21 the corrugated hose coil on the separate Connections and the separate connections in the heat exchanger housing and the screw-in sleeves 4, 5 are screwed into the front of the housing in order to Hold fixation pins in place.
- FIGS. 1 and 2 Remove the sealing rings:
- the screw-in sleeves 4, 5 are over O-rings 22, 23 sealed against the heat exchanger housing and the separate connections are sealed against the heat exchanger housing via O-rings 24, 25.
- the screw-in sleeves 4, 5 are after screwing in on the heat exchanger housing fixed via rivets 26, 27 in a rotationally fixed manner.
- the separate connections 6, 7 have a stop collar 28, 29, which the insertion of the separate Connections in the housing opening 8, 9 limited.
- this stop collar 28, 29 is a shoulder of the separate connections in the form of a hexagon, over which the separate connections at one of the housing openings 8, 9 projecting radially outwards Collar 30, 31 are fixed against rotation by this protruding radially Collar 30, 31 designed to match the hexagonal shape of the separate connections is.
- the present invention offers the advantage of a heat exchanger for any application and especially for swimming pools To be able to provide a significantly reduced weight, a significantly reduced construction volume and accordingly reduced manufacturing costs, which can be reduced even further by the fact that the housing and the separate connections are made of inexpensive plastic.
- the heat exchanger according to the invention is characterized by a greatly simplified installation effort, since the corrugated hose is simple Can be inserted into each other at the separate connections.
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- 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)
- Thermotherapy And Cooling Therapy Devices (AREA)
Abstract
Description
Was die Verbindung zwischen den separaten Anschlüssen und dem Gehäuse betrifft, so sind verschiedene Ausführungsformen denkbar, wie beispielsweise eine Schraubverbindung. Da aber die separaten Anschlüsse an ihrem freien und auf der Außenseite des Wärmetauschers befindlichen Ende in der Regel ebenfalls eine Schraubverbindung zum Anschluss einer hieran festzulegenden mediumführenden Leitung tragen, würde dies die Gefahr mit sich bringen, dass das Anzugsdrehmoment bei der Montage der mediumführenden Leitung an den separaten Anschluss nicht nur auf das hier betroffene Gewinde übertragen wird, sondern auch auf das zweite Gewinde, über das der separate Anschluss am Wärmetauschergehäuse festgelegt ist. Aus diesem Grund empfiehlt sich im Verbindungsbereich zwischen separatem Anschluss und Wärmetauschergehäuse eine Steckverbindung, die jedoch zur Aufnahme von Torsionskräften und somit zum Abfangen des erwähnten Anzugsdrehmomentes formschlüssig drehfest ausgeführt sein sollte. Diese Steckmontage kann gegen Herausziehen der separaten Anschlüsse aus dem Gehäuse - ähnlich dem Fall der Wellschlauch-Steckverbindung - durch Festlegungsmittel in Form von Fixierungsstiften gesichert werden, die auf der Gehäuseinnenseite die separaten Anschlüsse beaufschlagen und diese formschlüssig an der Gehäusewand festlegen, indem sich die Fixierungsstifte an die Gehäuseinnenwand anlegen.
Claims (14)
- Wärmetauscher, insbesondere für Schwimmbäder, bestehend aus einem im Wesentlichen zylindrischen Gehäuse (2), das von einem ersten Medium im Wesentlichen axial durchströmt wird, wobei das Gehäuse an seinen axialen Stirnseiten Anschlüsse (4, 5) zur Verbindung mit angrenzenden Leitungsabschnitten für das erste Medium aufweist, während ein zweites Medium über zwei separate, sich radial zum Gehäuse erstreckende Anschlüsse (6, 7) eine im Gehäuse verlegte und als Wendel ausgebildete Leitung (3) durchströmt, deren Wendelachsel parallel zu oder identisch mit der Gehäuseachse verläuft, wobei die wendelförmige Leitung für das zweite Medium aus einem Wellschlauch (3) besteht, der in Radialrichtung verlaufende Endabschnitte (12, 13) aufweist, die an die separaten Anschlüsse für das zweite Medium angeschlossen sind,
dadurch gekennzeichnet, dass sich die separaten Anschlüsse (6, 7) für das zweite Medium von außen unter Durchquerung des Gehäuses (2) bis auf die Gehäuseinnenseite erstrecken und dass die in Radialrichtung verlaufenden Endabschnitte (13, 14) des Wellschlauchs (3) im Gehäuseinneren an die genannten separaten Anschlüsse für das zweite Medium über eine Steckverbindung angeschlossen und dort festgelegt sind. - Wärmetauscher nach Anspruch 1,
dadurch gekennzeichnet, dass die Endabschnitte (12, 13) des Wellschlauchs (3) in die separaten Anschlüsse (6, 7) für das zweite Medium eingesteckt und dort durch form- oder kraftschlüssig wirkende Festlegungsmittel gehalten. - Wärmetauscher nach Anspruch 2,
dadurch gekennzeichnet, dass die Festlegungsmittel aus Stiften (18, 19), Klammern oder Rastelementen bestehen, die formschlüssig in ein Wellental des Wellschlauchs (3) eingreifen. - Wärmetauscher nach zumindest einem der vorstehenden Ansprüche,
dadurch gekennzeichnet, dass die separaten Anschlüsse (6, 7) für das zweite Medium separat vom Gehäuse (2) ausgebildet und durch Gehäuseöffnungen (8, 9) hindurch gesteckt sind. - Wärmetauscher nach Anspruch 4,
dadurch gekennzeichnet, dass die separaten Anschlüsse (6,7) für das zweite Medium von außen in die Gehäuseöffnungen (8, 9) des Gehäuses (2) eingesteckt und dort über Festlegungsmittel (20, 21) festgelegt sind. - Wärmetauscher nach Anspruch 5,
dadurch gekennzeichnet, dass die Festlegungsmittel (20, 21) zur Festlegung der separaten Anschlüsse (6, 7) im Gehäuse (2) aus Fixierungsstiften (20, 21) bestehen, die auf der Innenseite des Gehäuses angeordnet sind und dort die separaten Anschlüsse beaufschlagen. - Wärmetauscher nach zumindest einem der vorstehenden Ansprüche,
dadurch gekennzeichnet, dass die separaten Anschlüsse (6, 7) für das zweite Medium formschlüssig verdrehfest in den Gehäuseöffnungen (8, 9) des Gehäuses (2) festgelegt sind. - Wärmetauscher nach zumindest einem der vorstehenden Ansprüche,
dadurch gekennzeichnet, dass die Wellschlauch-Endabschnitte (12, 13) gegenüber den separaten Anschlüssen (6, 7) für das zweite Medium mittels eines Dichtungselementes (16, 17) abgedichtet sind. - Wärmetauscher nach zumindest Anspruch 8,
dadurch gekennzeichnet, dass das Dichtungselement (16, 17) aus zumindest einem O-Ring besteht, der auf den zugehörigen Wellschlauch-Endabschnitt (12, 13) aufgesteckt ist, in zumindest ein Wellental formschlüssig eingreift und mit seiner den radialen Abschnitt (14, 15) der separaten Anschlüsse (6, 7) für das zweite Medium beaufschlagenden Außenseite an der Innenseite des radialen Abschnittes anliegt. - Wärmetauscher nach zumindest einem der vorstehenden Ansprüche,
dadurch gekennzeichnet, dass die Wellschlauch-Endabschnitte durch Recken kalibriert sind. - Wärmetauscher nach zumindest einem der vorstehenden Ansprüche,
dadurch gekennzeichnet, dass die vom Wellschlauch (3) beaufschlagten radialen Abschnitte (14, 15) der separaten Anschlüsse (6, 7) für das zweite Medium glattzylindrisch ausgebildet sind. - Wärmetauscher nach zumindest einem der vorstehenden Ansprüche,
dadurch gekennzeichnet, dass der Wellschlauch (3) und/oder die separaten Anschlüsse (6, 7) für das zweite Medium aus Metall bestehen. - Wärmetauscher nach zumindest einem der vorstehenden Ansprüche,
dadurch gekennzeichnet, dass das Gehäuse (2) und/oder die Anschlüsse (4, 5) für das erste Medium aus Kunststoff bestehen. - Wärmetauscher nach zumindest einem der vorstehenden Ansprüche,
dadurch gekennzeichnet, dass das erste Medium Schwimmbadwasser ist und dass das zweite Medium Heizungswasser ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10208658A DE10208658B4 (de) | 2002-02-28 | 2002-02-28 | Wärmetauscher, insbesondere für Schwimmbäder |
DE10208658 | 2002-02-28 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1340953A2 true EP1340953A2 (de) | 2003-09-03 |
EP1340953A3 EP1340953A3 (de) | 2007-01-24 |
EP1340953B1 EP1340953B1 (de) | 2009-08-26 |
Family
ID=27675104
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03004138A Expired - Lifetime EP1340953B1 (de) | 2002-02-28 | 2003-02-26 | Wärmetauscher, insbesondere für Schwimmbäder |
Country Status (5)
Country | Link |
---|---|
US (1) | US6789615B2 (de) |
EP (1) | EP1340953B1 (de) |
AT (1) | ATE441077T1 (de) |
DE (2) | DE10208658B4 (de) |
ES (1) | ES2332306T3 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100389298C (zh) * | 2006-05-16 | 2008-05-21 | 张伟 | 逆流式螺旋形换热器 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7007748B2 (en) * | 2003-09-30 | 2006-03-07 | Bradford White Corporation | Indirect water heater and method of manufacturing same |
US7063132B2 (en) * | 2003-12-29 | 2006-06-20 | Bradford White Corporation | Multi-wall heat exchanger for a water heater |
DE202006017609U1 (de) * | 2006-11-16 | 2008-03-27 | Rehau Ag + Co | Wärmeübertrager |
WO2008124475A1 (en) | 2007-04-03 | 2008-10-16 | Global Heating Solutions, Inc. | Spa having heat pump system |
DE102015015448A1 (de) * | 2015-12-02 | 2017-06-08 | Mann + Hummel Gmbh | Kühlmittelanschluss eines in einem Gehäuse angeordneten Wärmetauschers, Anschlussstutzen, Gehäuseteil und Saugrohr |
PT3663689T (pt) * | 2018-12-07 | 2022-05-05 | Intellihot Inc | Permutador de calor |
US20220316823A1 (en) * | 2021-03-30 | 2022-10-06 | Rheem Manufacturing Company | Corrosion prevention for heat exchanger devices and pool heaters |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3440060A1 (de) | 1984-11-02 | 1986-05-07 | Daimler-Benz Ag, 7000 Stuttgart | Kraftstoffkuehler fuer eine brennkraftmaschine |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1762522A (en) * | 1926-11-06 | 1930-06-10 | Robert E Newell | Water heater |
US1717490A (en) * | 1927-05-12 | 1929-06-18 | Taco Heaters Inc | Water heater |
US1921259A (en) * | 1931-02-14 | 1933-08-08 | Crane Co | Joint for heater coils |
US1944894A (en) * | 1932-02-18 | 1934-01-30 | Kennedy Edward | Water heater |
CH530604A (de) * | 1971-04-24 | 1972-11-15 | Pauser Knut | Wärmetauscher zum Heizen von Schwimmbadwasser |
US3802499A (en) * | 1971-07-27 | 1974-04-09 | Alfa Romeo Spa | Heat exchanger |
DE2361515A1 (de) * | 1973-12-11 | 1975-06-19 | Carl Blau | Zusammenbau eines kuehlerelements mit einem filterelement in einem gehaeuse zu einem bauteil |
JPS59197797A (ja) * | 1983-04-23 | 1984-11-09 | Anretsuto:Kk | 小型ブロワ−用放熱器 |
US4872503A (en) * | 1986-03-13 | 1989-10-10 | Marriner Raymond E | Air heat exchanger |
DE3818689A1 (de) * | 1988-06-01 | 1990-02-22 | Mueller Hermann Frank | Waermetauscher fuer fluide |
US5080405A (en) * | 1990-07-10 | 1992-01-14 | Nitto Kohki Co., Ltd. | Corrugated pipe coupling |
US5131351A (en) * | 1991-08-05 | 1992-07-21 | Farina Alfred J | Heat exchanger plug |
DE4421956C2 (de) * | 1994-06-23 | 1996-06-20 | Witzenmann Metallschlauchfab | Metallschlauchverbindung |
DE10051756B4 (de) * | 2000-10-18 | 2007-03-01 | Witzenmann Gmbh | Wärmetauscher füür Schwimmbäder |
DE10157267A1 (de) * | 2001-11-22 | 2003-06-12 | Witzenmann Gmbh | Wärmetauscher, insbesondere für Heizungsanlagen |
DE50306424D1 (de) * | 2002-03-22 | 2007-03-22 | Witzenmann Gmbh | Anschlussvorrichtung für einen ringgewellten Metallschlauch |
-
2002
- 2002-02-28 DE DE10208658A patent/DE10208658B4/de not_active Expired - Fee Related
-
2003
- 2003-02-26 AT AT03004138T patent/ATE441077T1/de active
- 2003-02-26 ES ES03004138T patent/ES2332306T3/es not_active Expired - Lifetime
- 2003-02-26 EP EP03004138A patent/EP1340953B1/de not_active Expired - Lifetime
- 2003-02-26 DE DE50311837T patent/DE50311837D1/de not_active Expired - Lifetime
- 2003-02-28 US US10/376,762 patent/US6789615B2/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3440060A1 (de) | 1984-11-02 | 1986-05-07 | Daimler-Benz Ag, 7000 Stuttgart | Kraftstoffkuehler fuer eine brennkraftmaschine |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100389298C (zh) * | 2006-05-16 | 2008-05-21 | 张伟 | 逆流式螺旋形换热器 |
Also Published As
Publication number | Publication date |
---|---|
ES2332306T3 (es) | 2010-02-02 |
DE10208658A1 (de) | 2003-09-18 |
US6789615B2 (en) | 2004-09-14 |
DE50311837D1 (de) | 2009-10-08 |
EP1340953B1 (de) | 2009-08-26 |
EP1340953A3 (de) | 2007-01-24 |
ATE441077T1 (de) | 2009-09-15 |
US20040035565A1 (en) | 2004-02-26 |
DE10208658B4 (de) | 2005-11-10 |
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