WO2003046460A1 - Improved heat exchanger - Google Patents
Improved heat exchanger Download PDFInfo
- Publication number
- WO2003046460A1 WO2003046460A1 PCT/ES2002/000561 ES0200561W WO03046460A1 WO 2003046460 A1 WO2003046460 A1 WO 2003046460A1 ES 0200561 W ES0200561 W ES 0200561W WO 03046460 A1 WO03046460 A1 WO 03046460A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- plates
- heat exchanger
- improved heat
- exchanger
- tubes
- 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.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/46—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids
- H01L23/473—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids by flowing liquids
-
- 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
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
-
- 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
-
- 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
- F28F9/0202—Header boxes having their inner space divided by partitions
- F28F9/0204—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions
- F28F9/0209—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions having only transversal partitions
- F28F9/0212—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions having only transversal partitions the partitions being separate elements attached to header boxes
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Definitions
- the present specification refers to a request concerning an improved heat exchanger, which is circulated by plates, presenting a section of primary fluid passage adjustable to the power, dimensions and needs of use, and can be applied to the same round, oval tube , plan of one or several routes of metallic, plastic, ceramic, and other material depending on the conditions and means of installation, allowing the exchanger to be configured with a monocircuit or a multicircuit as well as a high density of primary surface.
- This invention has its application within the industry dedicated to the manufacture of heat exchangers, being its application sectors such as heating, cooling, air conditioning, air conditioning, automotive, etc.
- the improved heat exchanger that the invention proposes is configured by itself as an obvious novelty within its field of application, since, according to its characteristics, qualities and possibilities for the improvement of heat transfer by conduction and convection, which can be incorporated both in the internal area and in the external area, provide a sensible increase in power transferred per unit volume, as well as the design of the components and construction that determines a versatile exchanger and low manufacturing cost.
- the improved heat exchanger is constituted from a set of tubes that can have any configuration, just as one or more routes can be arranged in the tubes of the exchanger, the primary fluid circulating inside the tubes , and being positioned according to multiple geometries.
- the inlet and outlet connections and the channeling and circulating heads of primary fluid having a fluid inlet and outlet, as well as plates or areas of closure or channeling with the relevant separators, there are plates of tightness and mechanical coupling of pipes and heads and plates or tube housing areas.
- the channeling plates circumscribe in the hole that has been machined in them, all of the tubes that make up the exchanger and, through the inclusion of separators, the circuit that will travel the primary fluid along the exchanger in question is defined.
- the hollow of the channeling plate will have the shape and dimensions according to the pipe geometry used and the number thereof.
- the separators that incorporate the channeling plates can be a single piece with the plate or can be incorporated as separate pieces, it should be noted that the position of these separators in the channeling plate defines the tubes through which the primary fluid circulates in parallel. the active zone in exchange with the secondary fluid.
- the number of tubes in each beam will vary depending on the power, type of fluid, dimensions of the exchanger and can even be modified along the route through the exchanger.
- end heads can be constructed in one or more plates each, using for their connection and sealing, rubber gaskets, Teflon, welding or other types, depending on the materials used, application and use of the exchanger
- the position of the input and output connections can be variable and there can even be a connection in each of the heads.
- Figure number 1 Represents a side elevation view, duly sectioned, of the object of the invention, corresponding to an improved heat exchanger.
- Figure number 2.- Shows a plan view of the channeling plate incorporating separators.
- the improved heat exchanger is constituted from a set of tubes, which can present any configuration that is deemed appropriate, as they can be round, oval, flat, of one or several routes, etc., and through them circulates the primary fluid, being positioned in different geometries, such as triangular, rectangular, etc., having multiple dimensions as well as a variable number of tubes and rows or ranges .
- the inlet and outlet connections and the fluid channeling and circulation heads are placed, indicating that the connections (1) and (10) correspond respectively to the fluid inlet and outlet, (2) and (9) to the plates or closing zones, (3) and (8) to the plates or channeling areas provided with separators, and incorporating plates or sealing areas and mechanical coupling of pipes and heads (4) and (7) , as well as plates or tube housing areas (5) and (6) respectively.
- the channeling plate circumscribes or contains all the tubes of the exchanger, by means of spacers (11) incorporated in the internal zone (12), with the spacers (11) being properly formed, the surface of the plate can be subdivided of channeling on as many partial surfaces of fluid circulation as required, each containing the appropriate number of tubes according to the characteristics of the installation.
- the arrangement allows any geometry in terms of the arrangement of the tubes, as well as any number of tubes and ranges or rows per exchanger.
- the pipe is constituted as a general plate in which all the tubes of the exchanger are circumscribed, it should be noted that the total internal passage surface (12) can be subdivided by means of spacers (11) in order to adjust the passage surface internal (12) at Fluid passage section needs that each application of the exchanger may require at any time.
- the said separators (11) can be fixed in the manufacture of the plate, or they can be removable, and their position can then be changed at will, at any time that is required.
- the invention is equipped and capable of allowing a high density of primary surface with respect to those existing in the market, as it does not depend on interconnection elements between tubes, generally known as curves.
- the arrangement of the inlet (1) and the fluid outlet (10) can be determined at any time in the invention, but nevertheless they can be of any other form, since they can be incorporated on opposite sides and at the same height , or on opposite sides at different heights.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Description
INTERCAMBIADO!* TÉRMICO PERFECCIONADO EXCHANGED! * PERFECTED THERMAL
D E S C R I P C I Ó ND E S C R I P C I Ó N
OBJETO DE LA INVENCIÓNOBJECT OF THE INVENTION
La presente memoria descriptiva se refiere a una solicitud relativa a un intercambiador térmico perfeccionado, el cual está circuitado por placas, presentando una sección de paso de fluido primario ajustable a la potencia, dimensiones y necesidades de utilización, pudiendo aplicarse al mismo tubo redondo, ovalado, plano de una o varias vias de material metálico, plástico, cerámico, y otros en función de las condiciones y medio de instalación, permitiendo configurar al intercambiador con un monocircuito o un multicircuito asi como una alta densidad de superficie primaria.The present specification refers to a request concerning an improved heat exchanger, which is circulated by plates, presenting a section of primary fluid passage adjustable to the power, dimensions and needs of use, and can be applied to the same round, oval tube , plan of one or several routes of metallic, plastic, ceramic, and other material depending on the conditions and means of installation, allowing the exchanger to be configured with a monocircuit or a multicircuit as well as a high density of primary surface.
CAMPO DE LA INVENCIÓNFIELD OF THE INVENTION
Esta invención tiene su aplicación dentro de la industria dedicada a la fabricación de intercambiadores térmicos, siendo su aplicación sectores como calefacción, refrigeración, aire acondicionado, climatización, automoción, etc.This invention has its application within the industry dedicated to the manufacture of heat exchangers, being its application sectors such as heating, cooling, air conditioning, air conditioning, automotive, etc.
ANTECEDENTES DE LA INVENCIÓNBACKGROUND OF THE INVENTION
Por parte del solicitante no se tiene conocimiento de la existencia en la actualidad de un intercambiador térmico que presente las características que se describen en la presente memoria. DESCRIPCIÓN DE LA INVENCIÓNThe applicant is not aware of the current existence of a heat exchanger that has the characteristics described herein. DESCRIPTION OF THE INVENTION
El intercambiador térmico perfeccionado que la invención propone, se configura por si mismo como una evidente novedad dentro de su campo de aplicación, ya que, a tenor de sus características, cualidades y posibilidades para la mejora de la transferencia de calor por conducción y convección, las cuales pueden incorporarse tanto en el área interna como en el área externa, proporcionan un incremento sensible de potencia transferida por unidad de volumen, al igual que por el diseño de los componentes y construcción que determina un intercambiador versátil y de bajo costo de fabricación.The improved heat exchanger that the invention proposes, is configured by itself as an obvious novelty within its field of application, since, according to its characteristics, qualities and possibilities for the improvement of heat transfer by conduction and convection, which can be incorporated both in the internal area and in the external area, provide a sensible increase in power transferred per unit volume, as well as the design of the components and construction that determines a versatile exchanger and low manufacturing cost.
De forma más concreta, el intercambiador térmico perfeccionado, está constituido a partir de un conjunto de tubos que pueden presentar cualquier configuración, al igual que puede disponerse en los tubos del intercambiador una o varias vias, circulando por el interior de los tubos el fluido primario, y estando posicionados de acuerdo con múltiples geometrías .More specifically, the improved heat exchanger is constituted from a set of tubes that can have any configuration, just as one or more routes can be arranged in the tubes of the exchanger, the primary fluid circulating inside the tubes , and being positioned according to multiple geometries.
En ambos extremos del intercambiador se encuentran situadas las conexiones de entrada y salida y los cabezales de canalización y circuitado de fluido primario, teniendo una entrada y salida de fluido, asi como placas o zonas de cierre o canalización con los pertinentes separadores, existiendo placas de estanqueidad y enganche mecánico de tubos y cabezales y placas o zonas de alojamiento de tubo.At both ends of the exchanger are the inlet and outlet connections and the channeling and circulating heads of primary fluid, having a fluid inlet and outlet, as well as plates or areas of closure or channeling with the relevant separators, there are plates of tightness and mechanical coupling of pipes and heads and plates or tube housing areas.
Las placas de canalización circunscriben en el hueco que en ellas se ha mecanizado, la totalidad de los tubos que componen el intercambiador y, mediante la inclusión de separadores, se define el circuito que recorrerá el fluido primario a' lo largo del intercambiador en cuestión.The channeling plates circumscribe in the hole that has been machined in them, all of the tubes that make up the exchanger and, through the inclusion of separators, the circuit that will travel the primary fluid along the exchanger in question is defined.
El hueco de la placa de canalización dispondrá de la forma y dimensiones según la geometría de tubos utilizada y el número de los mismos.The hollow of the channeling plate will have the shape and dimensions according to the pipe geometry used and the number thereof.
Los separadores que incorporan las placas de canalización pueden ser una sola pieza con la placa o se pueden incorporar como piezas independientes, debiendo indicarse que la posición de estos separadores en la placa de canalización define los tubos por los que circula en paralelo el fluido primario por la zona activa en intercambio con el fluido secundario.The separators that incorporate the channeling plates can be a single piece with the plate or can be incorporated as separate pieces, it should be noted that the position of these separators in the channeling plate defines the tubes through which the primary fluid circulates in parallel. the active zone in exchange with the secondary fluid.
El número de tubos en cada haz será variable en función de la potencia, tipo de fluido, dimensiones del intercambiador e incluso se puede modificar a lo largo del recorrido por el intercambiador.The number of tubes in each beam will vary depending on the power, type of fluid, dimensions of the exchanger and can even be modified along the route through the exchanger.
Por último, debe indicarse que los cabezales de los extremos pueden construirse en una o más placas cada uno, utilizándose para su conexión y estanqueidad, juntas de caucho, teflón, soldaduras u otros tipos, en función de los materiales empleados, aplicación y uso del intercambiador.Finally, it should be noted that the end heads can be constructed in one or more plates each, using for their connection and sealing, rubber gaskets, Teflon, welding or other types, depending on the materials used, application and use of the exchanger
La posición de las conexiones de entrada y salida pueden ser variables e incluso puede existir una conexión en cada uno de los cabezales.The position of the input and output connections can be variable and there can even be a connection in each of the heads.
DESCRIPCIÓN DE LOS DIBUJOS Para complementar la descripción que se está realizando y con objeto de ayudar a una mejor comprensión de las características de la invención, se acompaña a la presente memoria descriptiva, como parte integrante de la misma, un juego de planos en los cuales con carácter ilustrativo y no limitativo, se ha representado lo siguiente:DESCRIPTION OF THE DRAWINGS To complement the description that is being made and in order to help a better understanding of the characteristics of the invention, a descriptive set of drawings is attached as an integral part thereof, with an illustrative character and not limiting, the following has been represented:
La figura número 1.- Representa una vista en alzado lateral, debidamente seccionada, del objeto de la invención, correspondiente a un intercambiador térmico perfeccionado.Figure number 1.- Represents a side elevation view, duly sectioned, of the object of the invention, corresponding to an improved heat exchanger.
La figura número 2.- Muestra una vista en planta de la placa de canalización incorporando separadores .Figure number 2.- Shows a plan view of the channeling plate incorporating separators.
La figura número 3.- Representa, por último, una vista similar a la mostrada en la figura número 2 sin la incorporación de separadores.Figure number 3.- Finally, it represents a view similar to that shown in figure number 2 without the incorporation of separators.
REALIZACIÓN PREFERENTE DE LA INVENCIÓNPREFERRED EMBODIMENT OF THE INVENTION
A la vista de estas figuras puede observarse, como el intercambiador térmico perfeccionado, está constituido a partir de un conjunto de tubos, los cuales pueden presentar cualquier configuración que se estime oportuna, tal y como pueden ser redondos, ovalados, planos, de una o varias vias, etc., y por el interior de los mismos circula el fluido primario, estando posicionados en diferentes geometrías, tal y como puede ser triangular, rectangular, etc., teniendo múltiples dimensiones asi como un número variable de tubos y filas o rangos. En ambos extremos del intercambiador se colocan las conexiones de entrada y salida, y los cabezales de canalización y circuitado del fluido, debiendo indicarse que las conexiones (1) y (10) corresponden respectivamente a la entrada y salida de fluido, (2) y (9) a las placas o zonas de cierre, (3) y (8) a las placas o zonas de canalización provistas de separadores, e incorporando placas o zonas de estanqueidad y enganche mecánico de tubos y cabezales (4) y (7) , asi como de placas o zonas de alojamiento de tubo (5) y (6) respectivamente.In view of these figures it can be seen, as the improved heat exchanger, is constituted from a set of tubes, which can present any configuration that is deemed appropriate, as they can be round, oval, flat, of one or several routes, etc., and through them circulates the primary fluid, being positioned in different geometries, such as triangular, rectangular, etc., having multiple dimensions as well as a variable number of tubes and rows or ranges . At both ends of the exchanger, the inlet and outlet connections and the fluid channeling and circulation heads are placed, indicating that the connections (1) and (10) correspond respectively to the fluid inlet and outlet, (2) and (9) to the plates or closing zones, (3) and (8) to the plates or channeling areas provided with separators, and incorporating plates or sealing areas and mechanical coupling of pipes and heads (4) and (7) , as well as plates or tube housing areas (5) and (6) respectively.
Debe indicarse que una vez que la placa de canalización circunscribe o contiene todos los tubos del intercambiador, mediante separadores (11) incorporados en la zona interna (12) , estando los separadores (11) conformados adecuadamente, se puede subdividir la superficie de la placa de canalización en tantas superficies parciales de circulación de fluido como se requieran, conteniendo cada una de ellas el número de tubos apropiado acorde con las características de la instalación.It should be noted that once the channeling plate circumscribes or contains all the tubes of the exchanger, by means of spacers (11) incorporated in the internal zone (12), with the spacers (11) being properly formed, the surface of the plate can be subdivided of channeling on as many partial surfaces of fluid circulation as required, each containing the appropriate number of tubes according to the characteristics of the installation.
A tenor de lo anteriormente citado, debe indicarse que la disposición permite cualquier geometría en cuanto a la disposición de los tubos, asi como cualquier número de tubos y de rangos o filas por intercambiador .According to the aforementioned, it should be noted that the arrangement allows any geometry in terms of the arrangement of the tubes, as well as any number of tubes and ranges or rows per exchanger.
En resumen, la canalización está constituida como una placa general en la que se circunscriben todos los tubos del intercambiador, debiendo indicarse que la superficie de paso interna total (12) se puede subdividir mediante separadores (11) con objeto de ajustar la superficie de paso interna (12) a las necesidades de sección de paso de fluido que cada aplicación del intercambiador pueda reqμerir en cada momento .In summary, the pipe is constituted as a general plate in which all the tubes of the exchanger are circumscribed, it should be noted that the total internal passage surface (12) can be subdivided by means of spacers (11) in order to adjust the passage surface internal (12) at Fluid passage section needs that each application of the exchanger may require at any time.
Los citados separadores (11) pueden fijarse en la fabricación de la placa, o pueden ser removibles, pudiendo entonces variar su posición a voluntad, en cualquier momento que se requiera.The said separators (11) can be fixed in the manufacture of the plate, or they can be removable, and their position can then be changed at will, at any time that is required.
De acuerdo con lo anteriormente citado se constata que la invención está dotada y capacitada para permitir una alta densidad de superficie primaria con respecto a las existentes en el mercado, al no depender de elementos de interconexión entre tubos, generalmente conocidos como curvas.In accordance with the aforementioned, it is found that the invention is equipped and capable of allowing a high density of primary surface with respect to those existing in the market, as it does not depend on interconnection elements between tubes, generally known as curves.
La disposición de la entrada (1) y la salida de fluido (10) puede ser en todo momento la determinada en la invención, pero no obstante pueden presentar cualquier otra forma, ya que las mismas se pueden incorporar en lados opuestos y a la misma altura, o bien en lados opuestos a distinta altura. The arrangement of the inlet (1) and the fluid outlet (10) can be determined at any time in the invention, but nevertheless they can be of any other form, since they can be incorporated on opposite sides and at the same height , or on opposite sides at different heights.
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2002352280A AU2002352280A1 (en) | 2001-11-28 | 2002-11-27 | Improved heat exchanger |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES200102641A ES2200657B1 (en) | 2001-11-28 | 2001-11-28 | PERFECTED THERMAL EXCHANGER. |
| ESP0102641 | 2001-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2003046460A1 true WO2003046460A1 (en) | 2003-06-05 |
Family
ID=8499593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/ES2002/000561 Ceased WO2003046460A1 (en) | 2001-11-28 | 2002-11-27 | Improved heat exchanger |
Country Status (3)
| Country | Link |
|---|---|
| AU (1) | AU2002352280A1 (en) |
| ES (1) | ES2200657B1 (en) |
| WO (1) | WO2003046460A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3668757A (en) * | 1970-07-07 | 1972-06-13 | Gen Impact Extrusions Mfg Ltd | Method of forming a heat exchanger |
| US5203407A (en) * | 1990-11-07 | 1993-04-20 | Zexel Corporation | Vehicle-loaded parallel flow type heat exchanger |
| US5381858A (en) * | 1993-06-15 | 1995-01-17 | Fredrich; Carl | Heat exchanger and method of manufacture |
| WO1997045688A1 (en) * | 1996-05-28 | 1997-12-04 | Antonio Montes Navio | New heat exchanger |
-
2001
- 2001-11-28 ES ES200102641A patent/ES2200657B1/en not_active Expired - Fee Related
-
2002
- 2002-11-27 WO PCT/ES2002/000561 patent/WO2003046460A1/en not_active Ceased
- 2002-11-27 AU AU2002352280A patent/AU2002352280A1/en not_active Abandoned
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3668757A (en) * | 1970-07-07 | 1972-06-13 | Gen Impact Extrusions Mfg Ltd | Method of forming a heat exchanger |
| US5203407A (en) * | 1990-11-07 | 1993-04-20 | Zexel Corporation | Vehicle-loaded parallel flow type heat exchanger |
| US5381858A (en) * | 1993-06-15 | 1995-01-17 | Fredrich; Carl | Heat exchanger and method of manufacture |
| WO1997045688A1 (en) * | 1996-05-28 | 1997-12-04 | Antonio Montes Navio | New heat exchanger |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2200657A1 (en) | 2004-03-01 |
| AU2002352280A1 (en) | 2003-06-10 |
| ES2200657B1 (en) | 2005-05-01 |
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