EP1769206A1 - Heat exchanger with spacing coil(s) and helical rib(s) - Google Patents
Heat exchanger with spacing coil(s) and helical rib(s)Info
- Publication number
- EP1769206A1 EP1769206A1 EP05790864A EP05790864A EP1769206A1 EP 1769206 A1 EP1769206 A1 EP 1769206A1 EP 05790864 A EP05790864 A EP 05790864A EP 05790864 A EP05790864 A EP 05790864A EP 1769206 A1 EP1769206 A1 EP 1769206A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coil
- rib
- tangential
- exchange cavity
- exchanger according
- 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
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 238000004804 winding Methods 0.000 claims abstract description 14
- 239000012530 fluid Substances 0.000 claims abstract description 12
- 125000006850 spacer group Chemical group 0.000 claims description 14
- 229920002994 synthetic fiber Polymers 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 3
- 210000000056 organ Anatomy 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 238000010438 heat treatment Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009182 swimming Effects 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- QEVHRUUCFGRFIF-MDEJGZGSSA-N reserpine Chemical compound O([C@H]1[C@@H]([C@H]([C@H]2C[C@@H]3C4=C(C5=CC=C(OC)C=C5N4)CCN3C[C@H]2C1)C(=O)OC)OC)C(=O)C1=CC(OC)=C(OC)C(OC)=C1 QEVHRUUCFGRFIF-MDEJGZGSSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
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
- F28D7/02—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
- F28D7/026—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 and formed by bent members, e.g. plates, the coils having a cylindrical configuration
-
- 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
- F28D7/022—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 two or more media in heat-exchange relationship being helically coiled, the coils having a cylindrical configuration
-
- 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
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
- F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
-
- 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
-
- 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
- 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
- F28F21/067—Details
Definitions
- the invention relates to a heat exchanger for heating or cooling a secondary liquid from a primary fluid circulating in at least one helical tubular coil disposed in at least one exchange cavity in which the secondary liquid circulates.
- Such a heat exchanger can for example be used as a heat pump condenser for heating the water of a swimming pool.
- FR-2,686,408 thus describes an example of such a coil heat exchanger, which comprises spacers in the form of longitudinal strips, forming housings for the coils of the coil.
- spacers indeed make it possible to center the coil in the exchange cavity and to optimize the circulation of the secondary liquid around the coils of the coil.
- Such an exchanger is satisfactory, but it is desirable to improve the thermal performance while minimizing its overall dimensions, and therefore its cost and bulk.
- the invention therefore aims in general to provide a coil heat exchanger (s) whose thermal performance-especially the heat output restored- are improved over prior exchangers, and this, for equivalent or reduced overall dimensions.
- the invention aims more particularly to achieve this goal simply and economically, and without otherwise adversely affect the other qualities of the heat exchanger (service life, ease of installation, ).
- the invention relates to a heat exchanger comprising:
- an outer casing comprising an inner wall delimiting at least one internal chamber incorporating at least one core having a wall delimiting in the chamber with the inner wall of the housing opposite, at least one exchange cavity,
- each exchange cavity at least one helical hollow tubular coil having ends passing through the housing to be fed by a primary fluid flowing in this coil, - at least one inlet at an axial end of the exchange cavity, and at least one outlet at another opposite axial end of the exchange cavity, so that a circulation of a secondary liquid can be established in an axial direction of circulation in the exchange cavity between this inlet and this outlet, in contact with and outside of each coil that it receives, - spacers of each coil and the inner wall of the housing and / or the wall of the core opposite, characterized in that the organs of spacing comprise at least one spacer rib, said tangential rib, projecting in relation to a wall facing the corresponding coil, and not parallel to the directi it is axial circulation, but being adapted to not prevent any circulation of secondary liquid in the axial direction of flow between said wall and the coil.
- the spacers comprise at least one tangential rib of helical shape and this tangential helical rib and this coil have different winding directions so as to be in contact with zones of essentially one-off contacts.
- the inventors have indeed found that this particular structure makes it possible to improve considerably and unexpectedly the thermal performance of the exchanger. In particular, the inventors have found an improvement of 5% to 10% of the heat power of the exchanger. No clear explanation can be given by the inventors to this result.
- the tangential rib helicoidal coil and the coil have different pitch so as to be in contact according to essentially point contact areas.
- At least one rib shaped ring portion or ring portion of non-circular section (for example polygonal) extending over a sector less than 360 degrees around the axial direction.
- the winding direction of at least one tangential helical spacer rib is opposite to that of the facing coil.
- the pitch of at least one tangential helical spacer rib is greater than that of the facing coil.
- the pitch of at least one tangential helical spacer rib is between 1.5 and 3 times that of the coil facing.
- each core comprises at least one tangential rib of spacing, said inner rib.
- This inner rib comes into contact with the inner surface of the coil oriented towards its axis of symmetry.
- the inner wall of the housing has at least one tangential spacing rib, said outer rib. This outer rib comes into contact with the outer surface of the outermost coil radially relative to its axis of symmetry.
- the core in at least one exchange cavity, has at least one tangential inner rib of separation, and the inner wall of the housing has at least one tangential outer tangential rib.
- each exchange cavity has at least one inner rib and at least one outer rib.
- the exchanger according to the invention is characterized in that the exchange cavity has a helical internal rib and a helical outer rib and that the pitch of the inner rib is different from the pitch of the outer rib.
- the pitch of the outer rib is greater than the pitch of the inner rib itself greater than the pitch of (the) coil (s) contained (s) in the exchange cavity.
- the outer rib and the inner rib have the same direction of winding.
- At least one exchange cavity is provided with at least one series of shims adapted to be interposed between the turns of the coil so as to maintain the relative axial spacing.
- the exchange cavity has shims radially projecting from the inner wall of the housing.
- the casing comprises for each internal chamber, two shells each forming a half cylinder and assembled to one another by an axial joint plane.
- the assembly of the coil and the core in the chamber is facilitated and carried out by placing in one of the shells then closing the chamber by covering with the other shell and sealing assembly - particularly by welding - of the two hulls according to their axial joint plane.
- the casing is provided with passage lumens of the ends of the coil orthogonal to the axis of the internal chamber.
- the exchanger according to the invention thus has a reduced axial size and its assembly is simple, fast and reliable. In addition, it avoids any error in the direction of connection of the coil to the source of primary fluid.
- the exchanger according to the invention is characterized in that it comprises a single exchange cavity enclosing a single coil, the exchange cavity having a radial width corresponding at least substantially to the sum of the radial thickness of the outer and inner tangential ribs and the diameter of the cross section of the serpentine tube.
- at least one internal chamber, the inner wall of the corresponding housing, each core and its wall, the exchange housing, each coil, each tangential rib are generally cylindrical, in particular cylindrical of revolution, around a same axis parallel to the axial direction of circulation.
- the radial width of an exchange cavity is of the order of 10 mm to 15 mm, and the outside diameter of the cross section of the tube forming the coil of this exchange cavity is of the order of
- each tangential spacer rib is between 1mm and 3mm.
- the housing and each core are formed of a molded synthetic material and each coil is formed of a metal or a metal alloy.
- the invention also relates to a heat exchanger characterized in combination by all or some of the characteristics mentioned above or below.
- FIG. 1 is a schematic perspective view of an exchanger according to a first embodiment of the invention
- FIG. 2 is a diagrammatic view in axial section of a first embodiment of an exchanger according to a first embodiment of the invention, with the various portions respectively representing, from left to right, the coil and the core in place; and in view; the serpentine in section and the nucleus in sight; the coil in section without the core; neither the coil nor the core to illustrate the spacers,
- FIG. 3 is a partial schematic perspective view of a casing shell of the exchanger of FIGS. 1 and 2,
- FIG. 4 is a partial schematic perspective view of a casing shell of the exchanger similar to FIG. 3 with the core in place, but without the coil, and this for purposes of illustration only
- FIG. 5 is a partial schematic perspective view of a casing shell of the exchanger similar to FIG. 3, with the coil and core in place,
- FIG. 6 is a diagrammatic cross-sectional view of the exchanger of FIG. 2;
- FIGS. 7 to 9 are plan views respectively showing a coil, a core, and a shell of a heat exchanger according to a second embodiment; embodiment of the invention,
- FIGS. 10 to 12 are plan views respectively showing a coil, a core, and a shell of an exchanger according to a third embodiment of the invention.
- FIGS. 1-10 show different embodiments of a heat exchanger according to the invention that can be used for example as a condenser in a heat pump for heating pool water.
- This exchanger comprises an outer casing 1 formed of two shells 1a, 1b of a rigid material, preferably a synthetic material, assembled to one another by an axial peripheral seal plane 2.
- the casing 1 delimits an internal chamber 3 generally symmetrical cylindrical of revolution about an axis 4, and the joint plane 2 is a diametral plane of the inner chamber 3 and the axis 4.
- One of the two shells la, Ib is provided with inlets and outlets, on the one hand, for ends of at least one coil 5 incorporated in the inner chamber 3, and on the other hand, for a liquid secondary that can flow in the inner chamber 3, in contact with (the) coil (s) 5.
- a single coil 5 is incorporated in the inner chamber 3.
- the inner chamber 3 also encloses a cylindrical core 6 coaxial revolution, that is to say having a cylindrical wall 7 of revolution about the same axis 4 as the chamber 3.
- the casing 1 also has an inner wall 8 generally cylindrical symmetrical revolution about the axis 4 delimiting the inner chamber 3.
- a generally symmetrical annular exchange cavity 9 of cylindrical revolution about the same axis 4 is delimited between the inner wall 8 of the casing 1 and the wall 7 of the core 6, and this, between the two axial ends of the chamber 3.
- the shell has it at one of its axial ends, a through-hole 11 communicating between the outside and the exchange cavity 9, for the passage of the secondary liquid, and a through-lumen 12 also communicating between the outside. and the exchange cavity 9 for the passage of an end 13 of the coil 5, for the circulation of a primary fluid in this helical hollow tubular coil.
- a through-hole 15 communicating between the outside and the exchange cavity 9 for the passage of the secondary liquid, and a through-light 16 communicating between the outside and the exchange cavity 9, for the passage of another end 17 of the coil 5.
- the shells la, Ib each form a half cylinder, and the joint plane 2 is generally rectangular.
- the secondary liquid passage openings 11, 15 located at the opposite ends 10, 14 are themselves diagonally opposite with respect to the joint plane 2.
- the lumens 12, 16 for the passage of the ends of the coil 5 are preferably diagonally opposite to the rectangular joint plane 2.
- the passage lumens 12, 16 for the ends 13, 17 of the coil 5 through the casing 1 are orthogonal to the axis 4 of the inner chamber 3. This arrangement allows in particular to facilitate the assembly of the coil 5, to avoid any connection error in the fluid flow direction primary, and, moreover, to reduce axial count of the exchanger according to the invention.
- the coil 5 is preferably of tubular hollow helical type with non-contiguous turns wound around an axis of symmetry which coincides with the axis 4 when the coil 5 is in place in the exchange cavity 9. It should be noted that the coil 5 may have a series of turns wound in a single direction between its two axial ends, or on the contrary, several series of turns around each other, that is to say several cylindrical thicknesses of coaxial turns forming go return of the primary fluid inside the exchange cavity 9. A plurality of coaxial coils 5 may also be provided, as in the second embodiment shown in FIGS. 7 to 9, where the exchanger comprises two coaxial coils.
- the shell has at its axial end 10 two slots 12 for the passage of the ends 13 of the two coils 5, and at its other axial end 14, two slots 16 for the passage of the other ends 17 of the two coils 5.
- Two independent flows of primary fluid can thus be produced in the exchange cavity 9, one in each coil 5.
- Spacing rods 21 that are longitudinal, that is to say parallel to the axis 4, are preferably interposed between the two coaxial coils 5.
- Each coil 5 may advantageously be formed of a metal or metal alloy tube -particularly of titanium or titanium alloy.
- the inner wall 8 of the casing 1 has at least one tangential spacing rib 18 extending radially towards the axis 4 over a certain thickness so as to move the coil 5 away from each other. of this wall 8.
- a tangential rib is further adapted not to prevent any circulation of secondary liquid in the axial direction between said wall 8 and the coil 5. Indeed, in the opposite case, the tangential rib 18 would not no specific interest (with respect to a direct contact of the coil 5 with the wall 8).
- the tangential rib 18 is a helical rib, that is to say extending in the form of a continuous helix with non-contiguous turns between the two axial ends of the inner wall 8.
- This helical rib 18 is formed by the two shells la, Ib.
- the helical rib 18 has a pitch and / or a winding direction such that the coil 5 comes into contact with the helical rib 18 according to essentially point contact areas.
- the invention goes against all previously known assemblies in which the spacers were also adapted to match the shapes of the coil to block the turns relative to the housing.
- the helical rib 18 formed on the inner wall 8 of the casing 1, said outer rib 18, comes into contact with the portions of the coil 5 which are radially furthest from the axis 4.
- the winding direction of the outer helical rib 18 is opposite that of the coil 5 opposite.
- the pitch of the outer helical rib 18 is greater than that of the coil 5, and for example between 1.5 and three times that of the coil 5 opposite.
- the wall 7 of the core 6 is provided with a tangential rib 19, also advantageously in the form of a helical rib with a winding direction opposite to that of the coil 5, that is to say identical to that of the rib, helical 18 of the inner wall 8 of the casing 1.
- the inner wall 8 of the housing 1 has a helical spacer rib, said outer rib 18, and the core 6 has a helical spacer rib, said inner rib 19.
- the step of internal rib 19 is different from the pitch of the outer rib 18.
- good results have been obtained with an outer rib 18 having a pitch greater than that of the inner rib 19, itself greater than the pitch of the coil 5 contained in the exchange cavity 9.
- the third embodiment shown in Figures 10 to 12 differs from the first embodiment shown in Figures 1 to 6 by the number of turns of the coil 5 which is lower.
- the coil is of shorter length and one of its axial ends may emerge from the shell 1a by a slot 16 located axially at an appropriate distance from the other slot 12 provided at the axial end 10 of the hull the.
- the heat output of the exchanger is lower.
- each tangential rib 18, 19 has a contact surface with the coil 5 which is flat.
- the transverse cross section of each tangential rib 18, 19 is polygonal, in particular rectangular, square or trapezoidal.
- the cavity of exchange 9 is provided with at least one series of shims 20 adapted to be interposed between the turns of the coil 5 so as to maintain the relative axial spacing.
- these wedges 20 can be formed projecting from the inner wall 8 of the casing 1, radially inwards (that is to say towards the axis 4), for example on either side of the joint plane 2, on each of the shells 1a, 1b.
- These shims 20 may be formed, for example, of thin and radial partitions adapted to receive the tube of the coil 5 between them. The coil 5 is thus perfectly locked inside the exchange cavity 9, one side, radially, between the outer and inner ribs 18 and, on the other hand, axially, by the shims 20.
- the shims 20 do not extend over the entire periphery of the inner wall 8, so as not to prevent the axial circulation of the secondary liquid in the exchange cavity 9.
- the heat exchanger comprises a single exchange cavity 9, a single coil 5 with a single central core 6.
- the radial width of the exchange cavity 9 may be as follows: order of 10mm to 15mm and the outer diameter of the cross section of the tube forming the coil 5 is of the order of 7mm to 13mm.
- the radial thickness of each rib 18, 19 may be between 1 mm and 3 mm.
- the casing 1 and the core 6 may be formed of a molded synthetic material - especially polyamide - which has the advantage of lightness, low cost, high rigidity and great strength, and allows also the realization of the two shells la, Ib and their relative welding to each other, for example by welding by vibration. This weld has a good seal, is reliable and has a long life.
- the invention is advantageously applicable to the production of a condenser for a heat pump for heating swimming pool water.
- one of the lights 11, 15 is connected to the circuit of the heat pump to form a water inlet in the exchange cavity 9 and the other light 15, 11 forms the outlet of the water Outside of this exchange cavity 9.
- the water enters the exchange cavity 9 essentially in the form of steam and leaves essentially in liquid form.
- the ends of each coil 5 are connected in turn to a primary fluid circuit which is in the example a refrigerant for cooling the water in its passage in the exchange cavity 9.
- the circulation in the (s) coil (s) 5 is made against the flow of water in the exchange cavity 9.
- each coil 5 located at the same axial end of the casing 1 that the water outlet 15 constitutes the inlet of the primary fluid in the coil 5, and this primary fluid exits through the opposite end 13 of the coil 5 which is at the same axial end as the water inlet 11.
- the helical ribs 18, 19 may be replaced by tangential ribs in the form of toric or annular sectors extending in radial planes with respect to the axis 4 and interposed staggered along the inner wall 8 of the casing 1 and the core 6.
- tangential ribs instead of continuous helical ribs, it is possible to provide helical portion ribs interrupted and / or staggered with different pitch or not ...
- the (s) ) coil (s) and the core may not be symmetrical around an axis nor cylindrical, or may be cylindrical non-circular base ...
- each of the heat exchangers of the test water is circulated at 24 ° C. in a flow rate of 5 m 3 / hour in the exchange cavity and circulating, against the current of the circulation of the water. in the exchange cavity, water at 9O 0 C at a rate of 10 mVbelievable in the coil.
- at least five readings of the secondary liquid temperature leaving each of the two heat exchangers of the test are made at regular intervals on a duration of one hour. An average of the temperature obtained at the outlet of each heat exchanger is calculated from these readings.
- the secondary liquid at the outlet of the control exchanger has an average temperature 1.5 ° C higher than that of the secondary liquid at the outlet of the standard exchanger. This difference in temperature corresponds to a gain in thermal power of 8.7% for the control exchanger compared to the standard exchanger.
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0408119A FR2873432B1 (en) | 2004-07-22 | 2004-07-22 | HEAT EXCHANGER WITH SERPENTIN (S) AND RING HELICOIDAL (S) |
US59124504P | 2004-07-26 | 2004-07-26 | |
PCT/FR2005/001858 WO2006021659A1 (en) | 2004-07-22 | 2005-07-20 | Heat exchanger with spacing coil(s) and helical rib(s) |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1769206A1 true EP1769206A1 (en) | 2007-04-04 |
EP1769206B1 EP1769206B1 (en) | 2008-04-23 |
Family
ID=35967186
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05790864A Active EP1769206B1 (en) | 2004-07-22 | 2005-07-20 | Heat exchanger with spacing coil(s) and helical rib(s) |
Country Status (7)
Country | Link |
---|---|
US (1) | US7261149B2 (en) |
EP (1) | EP1769206B1 (en) |
AU (1) | AU2005276357B2 (en) |
CA (1) | CA2574284C (en) |
DE (1) | DE602005006281T2 (en) |
ES (1) | ES2306214T3 (en) |
WO (1) | WO2006021659A1 (en) |
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NZ523962A (en) * | 2003-01-31 | 2004-10-29 | Energy Saving Concepts Ltd | Heat exchanger with multiple turbulent flow paths |
DE102004042398B4 (en) * | 2004-09-02 | 2006-06-29 | Diehl Bgt Defence Gmbh & Co. Kg | cooler |
ITTO20040846A1 (en) * | 2004-12-01 | 2005-03-01 | Cosmogas Srl | HEAT EXCHANGER FOR A COMBINED TYPE BOILER, AND COMBINED TYPE BOILER USING SUCH HEAT EXCHANGER |
DE102007033166A1 (en) * | 2007-07-17 | 2009-01-22 | WTS Kereskedelmi és Szolgáltató Kft. | heat exchangers |
JP5160951B2 (en) * | 2008-04-30 | 2013-03-13 | 日東電工株式会社 | Dye-sensitized solar cell |
DE102008059543A1 (en) * | 2008-11-30 | 2010-06-02 | Solarhybrid Ag | heat exchangers |
DE102008059541A1 (en) * | 2008-11-30 | 2010-06-02 | Solarhybrid Ag | Heat exchanger for exchanging heat between two heat transferring mediums, comprises heat transferring medium through flow channel, where heat exchanger tube is provided for passing another heat transferring medium |
FR2952705B1 (en) * | 2009-11-19 | 2011-11-25 | France Air | INSTALLATION FOR RECOVERING THE ENERGY CONTAINED IN VICIE AIR, ESPECIALLY THE EXTRACT OF PROFESSIONAL KITCHENS |
CN102472594B (en) * | 2009-11-24 | 2014-08-20 | M技术株式会社 | Heat exchanger |
PL223959B1 (en) * | 2012-03-23 | 2016-11-30 | Aic Spółka Akcyjna | Dual heat exchanger |
EP2844941B1 (en) * | 2012-06-29 | 2017-07-26 | Waterco Limited | Heat exchanger |
FR3000186B1 (en) * | 2012-12-21 | 2018-11-30 | Valeo Systemes Thermiques | HEAT EXCHANGER BETWEEN A COOLANT LIQUID AND A REFRIGERANT FLUID, IN PARTICULAR FOR A MOTOR VEHICLE |
GB201401092D0 (en) * | 2014-01-23 | 2014-03-12 | Rolls Royce Plc | Heat exchanger support |
CN104329965B (en) * | 2014-10-10 | 2016-06-22 | 靖江神驹容器制造有限公司 | Multiple-effect Double helix flap heat exchanger |
US10647060B2 (en) | 2016-11-23 | 2020-05-12 | Shapeways, Inc. | Techniques for manufacturing and cooling three-dimensional objects |
US20180141285A1 (en) * | 2016-11-23 | 2018-05-24 | William Carter Davis | Techniques for manufacturing and cooling three-dimensional objects |
DE102017218973A1 (en) | 2017-10-24 | 2019-04-25 | Hanon Systems | Counterflow heat exchanger |
AU2022291265A1 (en) * | 2021-06-11 | 2023-11-02 | Zodiac Pool Care Europe | Crack mitigation systems and techniques for water-containing housings subject to freezing temperatures |
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US1776135A (en) * | 1926-11-24 | 1930-09-16 | Gen Electric | Superheater |
US1893484A (en) * | 1932-07-26 | 1933-01-10 | Joseph S Belt | Heat exchanger |
US3700030A (en) * | 1969-11-13 | 1972-10-24 | Air Liquide | Heat exchanger support structure |
FR2096804A2 (en) * | 1970-07-09 | 1972-03-03 | Air Liquide | Heat exchanger with multiple helical pipe layers |
US4013402A (en) * | 1975-06-11 | 1977-03-22 | Foster Wheeler Energy Corporation | Fired heater for a multiphase feedstock |
FR2686408B1 (en) * | 1992-01-16 | 1998-01-30 | Anjou Sa Piscine Service | HEAT EXCHANGER USED FOR HEATING A SECONDARY FLUID SUCH AS POOL WATER OR SEA WATER. |
US5379832A (en) * | 1992-02-18 | 1995-01-10 | Aqua Systems, Inc. | Shell and coil heat exchanger |
US6027241A (en) * | 1999-04-30 | 2000-02-22 | Komax Systems, Inc. | Multi viscosity mixing apparatus |
US6293335B1 (en) * | 1999-06-24 | 2001-09-25 | Aquacal, Inc. | Method and apparatus for optimizing heat transfer in a tube and shell heat exchanger |
-
2005
- 2005-07-20 ES ES05790864T patent/ES2306214T3/en active Active
- 2005-07-20 DE DE602005006281T patent/DE602005006281T2/en active Active
- 2005-07-20 CA CA2574284A patent/CA2574284C/en not_active Expired - Fee Related
- 2005-07-20 AU AU2005276357A patent/AU2005276357B2/en not_active Ceased
- 2005-07-20 WO PCT/FR2005/001858 patent/WO2006021659A1/en active IP Right Grant
- 2005-07-20 EP EP05790864A patent/EP1769206B1/en active Active
- 2005-07-21 US US11/186,285 patent/US7261149B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
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See references of WO2006021659A1 * |
Also Published As
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CA2574284C (en) | 2012-04-17 |
DE602005006281D1 (en) | 2008-06-05 |
ES2306214T3 (en) | 2008-11-01 |
AU2005276357A1 (en) | 2006-03-02 |
AU2005276357B2 (en) | 2009-11-12 |
US7261149B2 (en) | 2007-08-28 |
US20060016586A1 (en) | 2006-01-26 |
DE602005006281T2 (en) | 2009-05-07 |
EP1769206B1 (en) | 2008-04-23 |
WO2006021659A1 (en) | 2006-03-02 |
CA2574284A1 (en) | 2006-03-02 |
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