EP3548825A1 - Dispositif de distribution d'un fluide réfrigérant à l'intérieur d'une boîte collectrice d'un échangeur thermique - Google Patents
Dispositif de distribution d'un fluide réfrigérant à l'intérieur d'une boîte collectrice d'un échangeur thermiqueInfo
- Publication number
- EP3548825A1 EP3548825A1 EP17817790.3A EP17817790A EP3548825A1 EP 3548825 A1 EP3548825 A1 EP 3548825A1 EP 17817790 A EP17817790 A EP 17817790A EP 3548825 A1 EP3548825 A1 EP 3548825A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- conduit
- dispensing device
- duct
- refrigerant
- heat exchanger
- 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
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
- F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
- F28F9/027—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits in the form of distribution pipes
- F28F9/0273—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits in the form of distribution pipes with multiple holes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
- F25B39/028—Evaporators having distributing means
-
- 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
-
- 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
- F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
- F28F9/028—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits by using inserts for modifying the pattern of flow inside the header box, e.g. by using flow restrictors or permeable bodies or blocks with channels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2240/00—Spacing means
Definitions
- the field of the present invention is that of the heat exchangers equipping the air conditioning installations for a vehicle, in particular an automobile.
- the invention relates more specifically to the distribution of a refrigerant fluid inside a manifold that includes such a heat exchanger.
- a vehicle is commonly equipped with an air conditioning unit for heat treating the air present or sent into the passenger compartment of the vehicle.
- an air conditioning unit for heat treating the air present or sent into the passenger compartment of the vehicle.
- Such an installation comprises a closed circuit inside which circulates a refrigerant fluid. Successively following the direction of circulation of the refrigerant fluid through it, the circuit essentially comprises a compressor, a condenser, a pressure reducer and at least one heat exchanger.
- the heat exchanger commonly comprises a bundle of tubes interposed between a header and a coolant return box.
- the refrigerant is admitted through an inlet mouth inside a manifold, flows along successive paths in the tubes of the bundle between the manifold and a return box, and is discharged out of the exchanger thermal through an outlet mouth.
- the outlet mouth is likely to be formed through the manifold or through the return box.
- the heat exchanger is for example an evaporator providing a heat exchange between the refrigerant and a flow of air therethrough.
- the refrigerant circulates inside the tubes of the bundle and the air flow circulates along the bundle tubes for cooling.
- This phenomenon generates a heterogeneity of the temperature of the air flow that has passed through the heat exchanger during operation. This heterogeneity complicates the thermal management of the apparatus that receives the heat exchanger and ultimately involves temperature differences between two areas of the passenger compartment, while the same airflow temperature is required.
- the present invention relates to a device for dispensing a refrigerant fluid configured to be housed inside a header box of a heat exchanger.
- the invention also relates to a method of manufacturing a dispensing device according to the invention.
- the invention also relates to a heat exchanger comprising a manifold housing a dispensing device of the invention.
- the heat exchanger is in particular designed to equip an air conditioning installation of a vehicle, in particular an automobile.
- An object of the invention is to perfect the homogeneity of the temperature of the heat exchanger during operation and finally to improve its efficiency. It is more specifically the object of the invention to perfect the distribution of the cooling fluid in the header collector in a homogeneous manner between its liquid phase and its gaseous phase. It is even more specifically targeted by the invention to provide a homogeneous supply of refrigerant fluid bundle tubes interposed between the manifold and the return box of the heat exchanger.
- Another object of the invention is to provide a refrigerant distribution device that can be obtained industrially at lower costs.
- Another object of the invention is to provide a refrigerant distribution device whose organization allows its easy adaptation and lower costs to heat exchangers of various structures.
- Such a diversity of structures of the heat exchangers is particularly to be appreciated with regard to the number of tubes of the bundle that they comprise, the modes of circulation of the refrigerant fluid inside the heat exchanger and / or relative positions between the mouth inlet and outlet mouth of the refrigerant fluid that includes the heat exchanger.
- the dispensing device of the invention comprises at least one duct extended along a longitudinal axis.
- the conduit has at one of its longitudinal ends an inlet mouth for the admission of the refrigerant in the conduit.
- the duct also comprises at least one orifice for discharging refrigerant from the duct.
- the duct is in particular closed at the other of its longitudinal ends to force the spray through the orifice of the refrigerant fluid admitted into the duct.
- the dispensing device comprises the conduit provided with the inlet mouth and the orifice, said first conduit.
- the dispensing device further comprises at least a second conduit which surrounds the first conduit and which has at least one passage for the discharge of the refrigerant fluid from the dispensing device.
- the dispensing device further comprises at least one spacing device which provides between the first conduit and the second conduit at least one communication channel between at least one orifice and at least one passage.
- the dispensing device comprises the first conduit which is surrounded by the second conduit at a distance transverse to the longitudinal axis of the first conduit, so as to provide the channel between them.
- the channel is thus delimited between the first conduit and the second conduit.
- the spacing device is interposed between the first duct and the second duct to maintain them at a transverse distance from one another by leaving the channel between them.
- the channel forms an intermediate chamber between the first duct and the second duct, the refrigerant discharged from the first duct through the orifice or openings being able to circulate inside the duct prior to its evacuation from the second duct through the duct. or passages.
- the communication between the orifice (s) and the passage (s) is understood as being a fluid communication between them. Such communication is capable of providing a circulation of a fluid, in particular the refrigerant, between the orifice (s) and the passage (s), the outlets of which communicate with the channel interposed between the orifice (s) and the passage (s).
- the channel forms an intermediate chamber for placing the orifice (s) in communication with the passage (s).
- the channel forms an intermediate chamber between the recess of the first conduit with which the channel is in communication via the orifice (s) and the outside of the dispensing device with which the channel is in communication via the channel (s). passages.
- the notion of communication between organs such as for example the channel, the orifice (s), the passage (s), the first conduit and / or the second conduit is considered as a fluid communication.
- the coolant is able to be admitted inside the dispensing device through the inlet mouth and then to circulate inside the first conduit, then to be sprayed out of the first conduit to the channel through the orifice (s).
- the refrigerant fluid is able to flow inside the channel and then to be sprayed out of the channel through the passage or passages out of the second conduit or in other words outwardly of the dispensing device.
- the dispensing device is capable of including NI conduits successively surrounding the first conduit at a distance transverse to its longitudinal axis, at least one spacing device leaving Nl-1 stepped channels through which the orifice (s) are in communication with the passage or passages opening out of the dispensing device.
- the spacing device is in particular configured to maintain a predefined transverse positioning between the first conduit and the second conduit and to arrange the channel by providing a homogeneous distribution of the refrigerant fluid from the passage to the tubes of a bundle of tubes that includes a heat exchanger equipped with a header housing the dispensing device of the invention.
- a homogeneous distribution is appreciated with regard to the homogeneity of the refrigerant between its liquid phase and its gaseous phase and / or with regard to a homogeneous refrigerant supply along the distribution device to each tube of the tube bundle. .
- the relative positioning between the first duct and the second duct provided by the spacing device makes it possible in particular to position and maintain the second duct with respect to the longitudinal axis of the first duct according to a desired configuration of the duct.
- the channel is in particular arranged to optimize the refrigerant circulation path inside the dispensing device to improve the mixing of the refrigerant between its liquid phase and its gaseous phase prior to its evacuation out of the dispensing device.
- the configuration of the spacing device can be advantageously determined and / or be chosen from various predefined configurations according to the arrangement of the heat exchanger.
- the configuration of the box is taken into account collector housing the dispensing device, which is dependent on the refrigerant supply modes of the tubes of the heat exchanger bundle opening on the manifold, in particular with regard to the number of tubes of the bundle and the configuration of their outlet on the collecting box.
- the configuration of the orifice through which the coolant is discharged out of the conduit can be advantageously differentiated from the configuration of the passage through which the coolant is dispensed from the dispensing device to the tubes of the bundle that includes a heat exchanger equipped with the dispensing device.
- the configuration, number and / or distribution of orifices along the first conduit can be determined independently of the configuration, number and / or distribution of passages along the second conduit.
- the orifice or openings may be specifically configured to optimize the mixture obtained between a liquid phase and a gaseous phase of the refrigerant discharged from the first conduit.
- the passage or passages may be specifically configured to make reliable and improve the homogenization of the distribution of the refrigerant fluid to each of the tubes of the beam.
- the manner of evacuation of the refrigerant from the first conduit through the orifice or orifices is thus advantageously dissociated from the means of evacuation of the refrigerant fluid from the dispensing device.
- the passages can in particular be individually assigned to the tubes of the bundle, for example by being placed in direct communication with their outlet on the manifold.
- the performance of the heat exchanger is increased.
- the temperature of the air passing through the heat exchanger is considerably balanced along all the tubes of the bundle of tubes.
- the temperature of a coolant flowing through a hydraulic cooling circuit extending at least partly along the heat exchanger is also considerably balanced during its passage along the entire tubes of the bundle of tubes.
- the orifice (s) and the passage (s) are capable of being individually oriented perpendicularly or of being inclined with respect to the longitudinal axis of the first conduit in the direction of any one of its longitudinal ends.
- the orifices are for example aligned along a first straight line parallel to the longitudinal axis of the first duct and / or the passages for example aligned along a second straight line parallel to the longitudinal axis of the duct.
- the orifices and the passages are still likely to be angularly offset relative to each other by an angle less than or equal to 180 ° around the longitudinal axis of the first duct, which determines the flow path of the refrigerant to inside the canal.
- the orifices and passages are for example angularly offset by 180 ° with respect to the longitudinal axis of the first conduit, the orifices being diametrically arranged opposite the passages relative to the longitudinal axis of the first conduit.
- the spacing device is advantageously integrated with the dispensing device, in particular being secured to the first conduit and the second conduit.
- the interposition of the spacing device between the first duct and the second duct may be achieved by one or more components disposed inside the duct and / or at least one of the longitudinal ends of the dispensing device. .
- the spacing device is preferably in contact with the first conduit and the second conduit. Such contacting provides a seal of the channel between the first conduit and the second conduit forcing the spraying of the refrigerant through the orifice (s) and through the passage (s).
- the contacting of the first conduit and the second conduit via the spacing device can also be used to secure the conduits together via the spacing device.
- the spacer device advantageously forms a fastener of the first conduit in the second conduit.
- the joining of the conduits via the spacing device and the structural arrangement of the spacing device can be used to reinforce the dispensing device. This is particularly useful in the case where the dispensing device has a substantial longitudinal extension being adapted to equip a heat exchanger comprising a large number of tubes of the beam, as indicative between 20 and 50 tubes.
- the spacing device advantageously forms a reinforcing member of the dispensing device.
- the spacing device notably forms a member for positioning the first duct in the second duct in a direction transverse to the longitudinal axis of the first duct.
- the spacing device forms a centering member, in particular coaxial, of the first conduit in the second conduit.
- the coaxial position of the first duct and the second duct facilitates the low-cost development of the dispensing device and facilitates its arrangement providing a powerful mixture of the refrigerant fluid between its liquid phase and its gas phase and providing a homogeneous distribution of the refrigerant along of the dispensing device through the passages.
- the first duct and the second duct are kept eccentric relative to each other by the spacing device.
- the configuration of the channel is then asymmetrical along at least one plane transverse to the longitudinal axis of the first conduit.
- the channel formed by the spacing device between the first conduit and the second conduit is likely to be of regular conformation or of irregular conformation along the longitudinal axis of the first conduit or in other terms along the dispensing device.
- the channel is thus configured according to the extension length of the dispensing device, taking into account the velocity of the refrigerant circulating inside the channel to complete a homogeneous distribution of the refrigerant through each of the passages.
- the spacing device may comprise various components interposed between the first conduit and the second conduit to provide the channel between them. More particularly, the spacing device comprises at least one component interposed between the first conduit and the second conduit.
- At least one component of the spacing device is incorporated in the first conduit and / or the second conduit.
- the spacing device is capable of comprising at least two components of similar configurations or of differentiated configurations.
- At least one first component of the spacer may have a configuration of its own and at least one second component of the spacer may have a configuration that is different from the configuration of the first component.
- At least one component of the spacing device is housed inside the channel, -) at least one component of the spacing device is provided at at least one of the longitudinal ends of the dispensing device, being in contact with the first conduit and the second conduit,
- a same component of the spacer device may be composed of one or more elements cooperating with each other to maintain the first conduit and the second conduit at a transverse distance from one another relative to the longitudinal axis of the first duct,
- At least one component of the spacing device is for example formed by adding material to the first conduit and / or the second conduit,
- At least one component of the spacing device is for example formed by deformation of the walls of the first conduit and / or the second conduit.
- the embodiments of the spacing device which have just been given have the advantages of being industrially feasible at moderate costs and of allowing an easy adaptation of the dispensing device to any configuration of the heat exchanger, in particular with regard to of the number of tubes of the bundle that it comprises.
- At least one component of the spacing device is provided inside the channel.
- at least one component of the spacing device is interposed between the peripheral walls of the first conduit and the second conduit extending along the longitudinal axis of the first conduit or in other words along the device of distribution.
- the spacing device comprises several components distributed inside the channel along the first duct and cooperating with each other to reinforce the maintenance of the transverse distance between the first duct and the second duct on the whole. the length of the dispensing device.
- At least one component of the spacer device forms a partition wall of the channel which it divides into at least two successive cells along the longitudinal axis of the first duct. At least one orifice and at least one passage open on each of the cells.
- the channel is compartmentalized into at least two cells independent of each other, that is to say, being isolated from each other with respect to a communication between them in the volume forming the channel formed between the ducts.
- the channel is capable of being compartmentalized into N2 cells by several components of the spacing device distributed along the distribution device. N2 can then advantageously correspond to the number of tubes of the bundle to supply refrigerant from a manifold equipped with the dispensing device of the invention.
- At least one partition wall is advantageously formed by a component of the closed annular conformation spacer.
- a component of the spacing device is in particular arranged in a closed ring, and can be made by deformation of the wall of the first conduit and / or the second conduit.
- Such a component of the spacing device arranged in closed ring is also likely to be formed of a block of material, including brazing bar, on the first conduit and / or on the second conduit prior to a joining of the conduits between them via the spacing device.
- the closed annular conformation of such a component espouses the transverse conformation of the channel delimited between the walls of the first duct and the second duct.
- the closed annular conformation of such a component is likely to be regular around the longitudinal axis of the first conduit, being of circular conformation.
- the closed annular conformation of such a component is also likely to be irregular around the longitudinal axis of the first conduit, being for example of oblong conformation.
- the spacing device comprises several components angularly distributed around the longitudinal axis of the first conduit.
- the spacing device For example, several components of the spacing device are angularly distributed around a circle centered on the longitudinal axis of the first conduit. For example still, at least two components of the spacing device are angularly distributed around the longitudinal axis of the first conduit and are distributed at a distance from one another along the longitudinal axis of the first conduit.
- At least two components of the spacing device are shaped as a ring portion at least partly surrounding the first conduit.
- the conformation of at least one component of the spacing device in a ring portion, or in other words an open ring, allows a circulation of the refrigerant through the channel along the dispensing device.
- a component shaped ring portion extends in particular over an angular range less than or equal to 180 ° around the longitudinal axis of the first conduit.
- a plurality of components each shaped as a ring portion are preferably angularly offset at the periphery of the first conduit about its longitudinal axis by being spaced apart from each other along the dispensing device.
- at least one component shaped as a ring portion is arranged in an open core through which the first conduit extends.
- the wafer of the torus defining its winding on itself is preferably truncated in the zone of its opening and / or at its periphery, to reinforce the contact of the component with the first conduit and / or the second conduit.
- Cleat will comprise a member providing a stop with a small contact surface between the first conduit and the second conduit at least in a direction transverse to the longitudinal axis of the first conduit.
- At least one of the components of the spacing device is for example formed of a spacer reported inside the channel between the first conduit and the second conduit. It will be understood by spacer a component of the spacing device formed of a block of added material interposed between the first conduit and the second conduit. The spacing device therefore comprises at least one spacer.
- At least one of the components of the spacing device is for example still formed by a relief from the wall of the first conduit and / or the second conduit.
- At least one component of the spacer device may be formed of a spacer and at least one other component of the spacer device may be formed of a relief.
- At least one component of the spacing device is formed of a spacer housed in the channel interposed between the first conduit and the second conduit.
- the spacer is for example made by adding material to the first conduit and / or the second conduit. Such an addition of material may result from a deposition of material or the fixing of a block of material on the first conduit and / or on the second conduit.
- at least one spacer is formed by deposition of material and / or by at least one block of attached material.
- At least one spacer forms a component of the spacing device permeable to the refrigerant fluid to allow circulation of the refrigerant fluid therethrough.
- a permeable component is capable of extending at least partly inside the channel along the longitudinal axis of the first conduit.
- An advantage of arranging at least one component of the spacing device spacer is to allow to house inside the channel a mixer forming the spacer.
- the mixer is a member configured to disrupt a laminar flow of a fluid, especially the refrigerant fluid.
- the mixer provides a mixture of a liquid phase with a gas phase of the refrigerant circulating inside the channel.
- the mixture of the refrigerant between its liquid phase and its gaseous phase obtained by its spraying through the orifices is thus completed inside the channel during the passage of the mixer by the refrigerant.
- the mixer is for example formed of a porous body.
- the mixer is formed of a body having obstacles against a laminar flow of refrigerant inside the second chamber.
- the mixer is formed of a body shaped helical or composed of a plurality of abutted helices along their winding axis being successively radially offset relative to each other.
- the mixer is for example still made of a foam formed of an entanglement of fibers or son, in particular metal.
- a first step of homogenizing the refrigerant between its liquid phase and its gaseous phase is performed during the evacuation of the refrigerant through the orifices to the channel.
- a second step of homogenizing the refrigerant between its liquid phase and its gaseous phase is then operated during its circulation inside the channel.
- the channel preferably houses at least one component of the structured spacer device to increase the mixing of the refrigerant fluid between its liquid phase and its gas phase prior to its removal from the dispensing device.
- at least one spacer is at least partly structured by mixing the refrigerant between its liquid phase and its gaseous phase.
- At least one component of the spacer device may advantageously be formed of a relief resulting from material deformation of the wall of the first conduit and / or the wall of the second conduit. Such a relief can be formed at lower cost, for example by stamping, crushing, machining and / or shaping the wall of the first conduit and / or the wall of the second conduit. At least one component of the spacing device may be provided at one and / or at the other longitudinal ends of the first conduit and the second conduit closest to each other.
- At least one component of the spacer device is interposed between a longitudinal end of the first conduit and a longitudinal end of the second conduit closest to each other along the longitudinal axis of the first conduit.
- at least one component of the spacing device is interposed between the longitudinal ends of the first conduit and the second conduit located at the same longitudinal end of the dispensing device.
- At least one component of the spacer device is capable of being interposed between each of the longitudinal ends of the first conduit and the second conduit closest to each other along the longitudinal axis of the first conduit.
- at least one component of the spacing device is capable of being interposed between the longitudinal ends of the first conduit and the second conduit at each of the longitudinal ends of the dispensing device.
- At least one component of the spacer device is formed of at least one end fitting fitted to at least one of the longitudinal ends of any one of the first conduit and / or the second conduit.
- the tip is housed in a recess of complementary shape that includes at least one of the longitudinal ends of the other any of the first conduit and / or the second conduit.
- the tip is for example cone shaped, sphere or portion of sphere, parallelepiped or is of ovoid conformation.
- the first conduit and the second conduit have in particular cross sections of complementary shape leaving the channel between them.
- the first conduit has a circular cross section.
- the second conduit has a circular cross section.
- the first conduit has an oblong cross section.
- the second conduit has an oblong cross section.
- first conduit and / or the second conduit may have independently of one another or jointly a circular and / or oblong cross section. More particularly according to one embodiment, each of the first conduit and the second conduit is capable of having a circular conformation. According to another embodiment, each of the first conduit and the second conduit may have an oblong conformation. According to one embodiment, any one of the first conduit or the second conduit is likely to have a circular conformation and the other any of the first conduit or the second conduit is likely to have an oblong formation.
- the invention also relates to a method of manufacturing a dispensing device as just described.
- the method comprises a securing operation between the first conduit and the second conduit via the spacing device.
- the spacing device is in particular secured to the first conduit and / or the second conduit.
- the method prior to the joining of the conduits to one another, comprises an operation of forming at least one spacer on the first conduit and / or on the second conduit, and then an assembly operation of the conduits between them by threading the first conduit into the second conduit.
- the method prior to the joining of the ducts together, comprises an assembly operation of the ducts between them via at least one nozzle installed at at least one of the longitudinal ends of the dispensing device.
- the operation of joining the conduits together is advantageously carried out by brazing, in particular in the oven, during an assembly operation of the constituent members of the dispensing device.
- the constituent members of the dispensing device comprise in particular at least the first conduit, the second conduit and the spacing device, which are advantageously made of metal material, in particular based on aluminum, to obtain their joining together by brazing.
- the present invention also relates to a heat exchanger comprising a header comprising a wall defining a chamber which houses a dispensing device as just described.
- the chamber communicates in particular with a plurality of tubes of a tube bundle of the heat exchanger to be fed by the refrigerant dispensed by the dispensing device.
- the dispensing device is in contact with the wall of the manifold via the first conduit, the second conduit and / or the spacing device. Such contact provides in particular at least one bonding zone between the dispensing device and the wall of the manifold, in particular by brazing.
- the contact between the wall of the header and the distribution device is for example at least one contact between the wall of the manifold and the ends of the first conduit and / or the second conduit.
- the contact between the wall of the manifold and the dispensing device can be achieved by means of end pieces equipping the longitudinal ends of the dispensing device. Such tips are potentially or not components of the spacing device. It thus provides a maintenance of the dispensing device inside the manifold at least through each of its longitudinal ends.
- the contact between the wall of the header and the dispensing device is for example still at least one contact between the wall of the manifold and the wall of the second conduit surrounding the first conduit. It thus provides a maintenance of the dispensing device inside the header box along its length or in other words along the longitudinal axis of the first conduit.
- the wall of the header is defined by eyelets each having an opening through which extends the dispensing device which is in contact with the edge of the openings.
- the tubes are formed between plates stacked in the longitudinal direction of the dispensing device.
- the plates are incorporated in the collector box and have eyelets delimiting the first chamber.
- the eyelets are traversed by the dispensing device and are extended by extensions of the plates leaving the tubes of the bundle between them.
- a second chamber is formed inside the first conduit and communicates via at least one orifice with a third chamber formed between the first conduit and the second conduit.
- the third chamber is formed by the channel that extends between the first conduit and the second conduit.
- the third chamber communicates via at least one passage with the chamber, then called first chamber, delimited by the wall of the manifold.
- the refrigerant fluid is able to flow from the second chamber to the third chamber and then to the first chamber.
- the dispensing device is capable of occupying the entire volume of the first chamber in a direction transverse to the longitudinal axis of the first conduit.
- the outlets of the tubes on the space can be advantageously formed through the wall of the manifold.
- the second conduit comprises a plurality of passages opening individually sealingly directly to each of the tubes of the bundle.
- the refrigerant fluid is then able to be directly distributed to the tubes of the bundle without circulating inside the first chamber.
- the distribution of the refrigerant fluid to each of the tubes of the bundle is thus made reliable and promotes a homogeneous supply of refrigerant fluid of all the tubes of the bundle.
- the dispensing device is also capable of partially occupying the volume of the first chamber in a direction transverse to the longitudinal axis of the first conduit.
- the outlets of the tubes on the space can be formed through the wall of the manifold.
- the tubes of the bundle pass through the wall of the header, their outlets then being arranged inside the first chamber.
- the dispensing device partially occupies the volume of the first chamber in a direction transverse to the longitudinal axis of the first conduit.
- a circulation space of the refrigerant fluid is formed inside the first chamber between the dispensing device and the outlets of the tubes of the bundle.
- the outlets of the tubes of the bundle are arranged at a distance from the dispensing device and more particularly at a distance from the passages.
- the refrigerant discharged from the dispensing device is then able to circulate inside the first chamber at least partly around the dispensing device prior to its distribution to the tubes of the bundle.
- the mixture of the refrigerant between its liquid phase and its gaseous phase is thus completed during its circulation inside the first chamber, prior to the distribution of the refrigerant fluid to the tubes of the beam.
- the dispensing device partially occupies the volume of the first chamber in a direction transverse to the longitudinal axis of the first duct.
- the tubes pass through the wall of the manifold to open into the first chamber.
- the outlets of the tubes of the bundle are placed directly in sealed communication with a passage which is assigned to them.
- the refrigerant fluid is adapted to be directly distributed from each of the passages of the dispensing device to each outlets of the tubes to promote their homogeneous supply of refrigerant fluid.
- the passages are for this purpose joined sealingly to the outlets of the tubes of the bundle so as to allow a sealed communication between them.
- the second conduit can for this purpose be secured to the tubes at the edge of their outlets, including brazing.
- each passage opens out of the first chamber to a single tube of the tube bundle.
- the passages are in particular in number corresponding to the number of tubes of the bundle to be supplied with refrigerant fluid.
- a second longitudinal end of the first conduit opposite its first longitudinal end communicating with the inlet mouth is preferably closed to force the distribution of the refrigerant fluid from the first conduit to the channel through the orifices.
- the longitudinal ends of the second duct are preferably closed to force the distribution of the refrigerant out of the channel through the passageway or outlets of the second duct or in other words out of the dispensing device to the outlets of the ducts. beam.
- Various specific closure methods of the second longitudinal end of the second conduit and / or the longitudinal ends of the first conduit may be used alone or in combination.
- the second longitudinal end of the first duct and / or the longitudinal ends of the second duct are for example closed (s):
- Such an end piece may or may not form a component of the spacing device interposed between the first conduit and the second conduit.
- the second longitudinal end of the first conduit is for example closed by the second longitudinal end of the second conduit located closest to the second longitudinal end of the first conduit along its longitudinal axis. More particularly still, the longitudinal ends of the second duct are for example closed by the longitudinal ends of the first duct.
- the heat exchanger is more particularly configured to be used as an evaporator.
- the heat exchanger can be used to cool an air flow therethrough or to cool a liquid dedicated to cooling an organ, such as at least one battery of a vehicle providing the energy required at least in part to his propulsion.
- the invention also relates to a refrigerant circuit comprising at least one compressor, a condenser, an expansion device and a heat exchanger according to the invention, traversed by a refrigerant.
- the invention also relates to a ventilation system, heating and / or air conditioning, or air conditioning installation, configured to equip a vehicle.
- the air conditioning installation of the invention comprises at least one heat exchanger according to the invention.
- FIG. 1 is a schematic illustration of a refrigerant circulation circuit participating in an air conditioning installation of a vehicle.
- FIG. 2 is a schematic illustration of a heat exchanger that comprises the circuit shown diagrammatically in FIG.
- FIG. 3 to 12 are partial illustrations in longitudinal section of various embodiments of a dispensing device according to the invention.
- FIG. 13 and 14 are partial sectional illustrations of various embodiments of a heat exchanger according to the invention.
- an air conditioning installation for a vehicle includes a closed circuit 1 inside which circulates a refrigerant fluid FR.
- the circuit 1 essentially comprises, successively in the direction SI of circulation of the refrigerant fluid FR, a compressor 2, a condenser 3 or gas cooler, an expansion member 4 and at least one heat exchanger 5
- a minimal architecture of the circuit 1 is given as an indication and is not restrictive as to the scope of the invention with regard to various potential architectures of the circuit 1.
- the heat exchanger 5 is for example dedicated to the cooling of a flow of air FA passing therethrough, as illustrated in FIG. 2.
- a flow of air FA is notably used for heat treatment of the air of the vehicle interior or for example still to cool a body of the vehicle in operation.
- the heat exchanger 5 is dedicated to the cooling of a liquid operated to cool an organ of the vehicle in operation, such as one or more batteries supplying electrical energy to a propulsive electric engine of the vehicle.
- the heat exchanger 5 comprises a bundle 6 interposed between a manifold 7 and a return box 8.
- the manifold 7 extends in a longitudinal direction D1 oriented perpendicularly to a direction D3 d extension of the tubes 12 of the bundle 6 between the manifold 7 and the return box 8.
- the manifold 7 defines a chamber 9 supplied with refrigerant fluid FR through an inlet port 10.
- the refrigerant fluid FR circulates inside the heat exchanger 5 to cool at least the tubes 12 of the bundle 6, and then discharged out of the heat exchanger 5 through an outlet mouth 11.
- the outlet mouth 11 is formed through the manifold 7, which implies that the heat exchanger 5 is a heat exchanger with "U" circulation.
- the outlet mouth 11 may be formed through the return box 8, which then implies that the heat exchanger 5 is an "I" circulation heat exchanger.
- the heat exchanger 5 is of the U-circulation type of the refrigerant fluid FR.
- the heat exchanger 5 is intended for cooling an air flow FA.
- the tubes 12 of the bundle 6 typically comprise fins 13 promoting the heat exchange between the air flow FA and the tubes 12 of the bundle 6.
- the air flow FA passes through the bundle 6 transversely to the general plane PI of the exchanger 5, flowing along the tubes 12.
- the refrigerant fluid FR flows from the manifold 7 to a first ply 12a of tubes 12 of the bundle 6 dedicated to the supply of the return box 8 of refrigerant FR. Then the refrigerant fluid FR flows from the gearbox 8 to the manifold 7 through a second ply 12b of tubes 12 of the bundle 6. The first ply 12a and the second ply 12b are superimposed according to the direction of flow of the flow. FA air through the heat exchanger 5.
- the heat exchanger 5 makes it particularly useful to obtain a homogeneous distribution of the refrigerant fluid FR between its liquid phase and its gaseous phase and a homogeneous distribution of the refrigerant fluid FR along the manifold 7 to each of the tubes 12 of the first ply 12a of the bundle 6.
- the described example of the architecture of the heat exchanger 5 and the circulation modes of the refrigerant fluid FR between the manifold 7 and the return box 8, are nevertheless given to indicative and are not restrictive as to the scope of the invention.
- the chamber 9 houses a dispensing device 18 extending in a longitudinal direction D2 parallel to the longitudinal extension direction D 1 of the manifold 7.
- the dispensing device 18 comprises a conduit 14 extending along a longitudinal axis A1 between a first end 15 and a second end 16 of the conduit 14.
- the conduit 14 is intended in particular to provide a homogenization of the refrigerant FR between its liquid phase and its gaseous phase during its evacuation out duct 14.
- the longitudinal axis Al of the duct 14 is oriented parallel to the extension direction D1 of the manifold 7 and defines the longitudinal extension direction D2 of the dispensing device 18.
- the dispensing device 18 is potentially centered inside. of the manifold 7 as illustrated in FIG. 1 or to be eccentric inside the manifold 7 with respect to a central longitudinal axis A2 extending from the manifold 7 as illustrated in FIG. 2.
- a first longitudinal end of the conduit 14 comprises the inlet mouth 10 for the supply of refrigerant FR of the dispensing device 18 via the conduit 14.
- the inlet mouth 10 is capable of receiving the refrigerant fluid FR from the outside the dispensing device 18 either directly or via a connecting member of the heat exchanger 5 with the fluid circuit 1 shown in Figure 1.
- the second end 16 of the conduit 14 is closed.
- At least one orifice 17 is formed through the conduit 14 for the discharge of the refrigerant fluid FR from the conduit 14 to the chamber 9.
- the conduit preferably comprises a plurality of orifices 17 arranged over at least a part of its length to promote the homogenization of the refrigerant discharged along the conduit 14 between its liquid phase and its gaseous phase.
- FIGS. 3 to 12 various embodiments of a dispensing device 18 according to the invention are illustrated.
- the dispensing devices 18 illustrated in FIGS. 3 to 12 are configured to equip a heat exchanger according to the invention, as illustrated for example in FIGS. 13 and 14. More particularly with reference also to FIG. 1 and FIG. 2, the dispensing devices 18 illustrated in FIGS. 3 to 12 are arranged to be housed in the manifold 7 from which the tubes 12 of the first ply 12a tubes 12 of the bundle 6 that includes the heat exchanger 5 are supplied with refrigerant fluid FR.
- the dispensing devices 18 comprise the duct 14, hereinafter referred to as the first duct 14, which is provided with the inlet mouth 10 and with a plurality of orifices 17 through which the cooling fluid FR is discharged from the first conduit 14.
- the dispensing devices 18 also include a second conduit 19 which houses the first conduit 14 and which has passages 20 through which the refrigerant FR intended to be admitted inside the devices. 18 is sprayed to the tubes 12 of the bundle 6.
- the second duct 19 surrounds the first duct 14 at a distance from each other in a transverse direction DT to the longitudinal axis Al of the first duct 14.
- the dispensing devices 18 comprise a spacing device 21 interposed between the first conduit 14 and the second conduit 19.
- the spacing device 21 thus provides between the first conduit 14 and the second conduit 19 a channel 22 inside which the coolant FR is intended to circulate prior to its spraying to the tubes 12 of the bundle 6.
- the second duct 19 and the first duct 14 are coaxial.
- the orifices 17 are aligned along a first line L1 and the passages 20 are aligned along a second line L2.
- the first line L1 and the second line L2 are parallel to the longitudinal axis A1 of the first duct 14.
- the orifices 17 and the passages 20 are angularly offset over an angular range of less than or equal to 180 ° around the longitudinal axis A1 of the duct 14.
- the path traveled by the refrigerant fluid FR inside the duct 22 around the duct 14 , and thus inside the dispensing devices 18, is optimized to increase the mixing between a liquid phase and a gaseous phase of the refrigerant fluid FR sprayed out of the first conduit 14 through the orifices 17.
- the orifices 17 and the passages 20 are angularly offset by 180 ° about the longitudinal axis A1 of the first duct 14, at an angle B1 referenced in FIG. still further in FIG.
- the orifices 17 and the passages 20 are angularly offset by an angle B2 less than 180 ° about the longitudinal axis of the first duct 14. According to the orientation of the heat exchanger 5 with respect to the gravity, the coolant FR is potentially driven by its gas phase inside the channel 22 around the first conduit 14 over an angular range greater than 180 °.
- the number of orifices 17 and the number of passages 20 are different.
- the interposition of the channel 22 between the orifices 17 and the passages 20 dissociates the methods for obtaining a homogeneous mixture between a gaseous phase and a liquid phase of the refrigerant FR sprayed through the orifices 17, distribution modalities refrigerant FR through the passages 20 out of the dispensing devices 18 to each of the tubes 12 of the bundle 6.
- the refrigerant fluid FR discharged from the first conduit 14 through the orifices 17 is sprayed inside the channel 22, circulates inside the channel 22 at least partly around the first conduit 14 to the passages 20 for its evacuation out of distribution devices 18.
- the refrigerating fluid FR is mixed between its liquid phase and its gaseous phase at the outlet of the first conduit 14 through the orifices 17.
- the circulation of the refrigerant fluid FR inside the channel 22 makes it possible to optimize the mixing of the refrigerant fluid FR between its liquid phase and its gaseous phase prior to its evacuation from the distribution devices 18 through the passages 20.
- At least one mixer participating in the formation of the spacing device 21 may advantageously be housed inside the channel 22 to further increase the mixing of the refrigerant fluid FR between a liquid phase and a gaseous phase inside. of channel 22.
- the first duct 14 and the second duct 19 have an annular conformation centered on the longitudinal axis A1 of the first duct 14.
- the transverse section of the ducts 14, 19 is of circular conformation.
- the transverse section of the ducts 14, 19 is of oblong conformation.
- the spacing device 21 is advantageously used to secure to one another the first conduit 14 and the second conduit 19, keeping them firmly in their relative transverse position.
- the spacing device 21 is in particular derived from a metallic material, such as aluminum-based, allowing it to be brazed on the first conduit 14 and on the second conduit 14 with which the spacing device 21 is placed in contact. .
- the dispensing devices 18 can thus be reinforced by the spacing device 21, particularly in the event of a substantial extension of a dispensing device 18 designed to supply a substantial number of tubes 12 of the bundle 6.
- the spacing device 21 comprises various components 21a, 21b, 21c for holding the first conduit 14 and the second conduit 19 at a distance from each other in the transverse direction DT.
- the components 21a, 21b, 21c of the spacing device 21 may be variously structured and / or variously positioned within the dispensing devices 18.
- Components 21a, 21b, 21c of the same spacing device 21 may be arranged differently and used in at least two-by-two combinations to maintain the first conduit 14 and the second conduit 19 at a determined transverse distance, as far as possible. where such combinations are compatible with each other.
- components 21a, 21b of spacers 21 are disposed inside the channel 22, being interposed between the wall 14a of the first conduit 14 and the wall 19a of the second duct 19.
- components 21a, 21b of spacers 21 are arranged at a distance T1 from each other along dispensing devices 18, or in other words according to FIG. longitudinal axis Al of the first duct 14.
- the components 21a, 21b of the spacers 21 may be distributed inside the channel 22 at equidistance or at differentiated distances between at least two neighboring components 21a, 21b along the longitudinal axis A1 of the first duct 14.
- the distance T1 of distribution of the components 21a, 21b along the longitudinal axis Al of the first duct 14 can vary along the distribution devices 18.
- components 21a, 21b of the spacing device 21 each extend partially around the first conduit 14 along a circumference centered on the longitudinal axis A1 of the first duct 14.
- the partial extension of the components 21a, 21b around the first duct 14 is provided to allow an overall occupation of the channel 22 by the refrigerant fluid FR in a continuous volume.
- the components 21a, 21b of the spacing device 21 are then angularly distributed around the first duct 14, without prejudging their individual distribution positions along the longitudinal axis A1 of the first duct 14.
- the components 21a, 21b of the spacing device 21 cooperate with each other at least two by two to maintain the first conduit 14 and the second conduit 19 at a distance from each other in the transverse direction DT.
- components 21a, 21b of the spacing device 21 are arranged in cleats 23 configured as abutment members with a small contact surface with the first conduit 14 and the second duct 19. At least one set of cooperating cleats 23 between them provides the relative positioning between the first duct 14 and the second duct 19 transversely to the longitudinal axis Al of the first duct 14.
- the cleats 23 are for example at least three in number, being distributed at 120 ° about the longitudinal axis Al of the first duct 14.
- FIG. 23 are four in being distributed at 90 ° around the longitudinal axis Al of the first conduit 14.
- components 21a of the spacer 21 are arranged as a ring portion 25 or in other words an open ring.
- the ring portions 25 each extend around the longitudinal axis A1 of the first duct 14 over an angular range of less than 180 °, such as, for example, an angular range of about 120 ° as illustrated.
- components 21a, 21b of spacers 21 are of closed annular conformation, each extending around the first conduit 14 along the whole of a circumference centered on the longitudinal axis Al of the first duct 14.
- Such components 21a, 21b spacing devices 21 are in particular shaped as closed rings 26, which surround the first duct 14 being closed on them-
- the channel 22 is thus compartmentalized along the longitudinal axis Al of the first conduit in a plurality of cells 22a independent of each other.
- At least one passage 20 and at least one orifice 17 open on each of the cells 22a.
- the refrigerant fluid FR can thus be admitted inside the channel 22 in a plurality of distinct fractions of refrigerant fluid FR which circulate independently of each other inside the cells 22a.
- the division of the channel 22 into cells 22a that are independent of one another makes it possible to better control the homogeneity of the quantities of refrigerating fluid FR discharged from the distribution devices 18 through each of the passages 20.
- the homogeneous supply of the tubes 12 of the bundle 6 FR refrigerant fluid is enhanced which increases the performance of the heat exchanger 5.
- the closed rings 26 are defined by a circular transverse profile.
- the closed rings 26 have a transverse profile shaped open torus.
- the cores are preferably flattened at their contact faces with the first conduit 14 and the second conduit 19, to reinforce the extent of contact of the closed rings 26 with the first conduit 14 and the second conduit 19.
- components of the spacers 21 are arranged in spacers 21a.
- the spacers 21a are formed in particular by blocks of material brought by brazing on the first conduit 14 and / or on the second conduit 19.
- the spacers 21a may also be formed by depositing molten material on the wall 14a of the first conduit 14 and or on the wall 19a of the second conduit 19.
- the spacers 21a are formed of rings 25, 26 soldered to the first conduit 14 and / or the second conduit 19.
- the spacers 21a are formed of pellets 27 reported by brazing or deposition of material on the first conduit 14 and / or the second conduit 19.
- the pellets 27 are configured in cleat 23 being for example shaped spherical cap as shown in Figure 5 or in parallelepipeds more or less elongated along the longitudinal axis A1 of the first duct 14, as illustrated in FIG. 6 and FIG. 13.
- components of the spacer device 21 are formed by reliefs 21b from the wall 14a of the first conduit 14 or the wall 19a of the second conduit 19.
- the reliefs 21b can be shaped into closed rings 26 as illustrated in Figures 9 and 11 or cleats 23 as illustrated in Figures 7, 8, 10 and 12.
- the reliefs 21b may for example be formed by machining or by deformations of the walls 14a, 19a of the conduits referenced 14 and 19.
- the reliefs 21b are formed by deformation of the first conduit 14 and / or the second conduit 19
- the reliefs 21b are formed by deformation of the second conduit 19.
- the reliefs 21b are formed by deformation of the first conduit 14 or the second conduit 19.
- the deformations of the first conduit 14 and / or the second duct 19 can be made by punching or stamping, as shown in Figures 7, 8 and 10.
- the reliefs are then for example shaped bosses.
- the deformations of the first duct 14 and / or of the second duct 19 can also be produced by the displacement of material as illustrated in FIGS. 9 and 11.
- the reliefs 21b are then, for example, formed into closed rings 26.
- the deformations of the first duct 14 and / or the second duct 19 may also be made by localized crushing of the first duct 14 and / or the second duct 19 transversely on either side of the longitudinal axis A1 of the first duct 14.
- the reliefs 21b are formed by crushing the first conduit 14 being in particular shaped bosses.
- the spacers 21 comprise at least one component 21c formed of a tip 29a interposed between longitudinal ends 16a, 16b of the first duct 14 and the second duct 19 close to each other. one of the other along the longitudinal axis Al of the first duct 14.
- the tip 29a is of conical conformation to reinforce the rigor of the transverse positioning, in particular coaxial, between the first duct 14 and the second duct 19.
- the tip 29a is for example formed at one of the longitudinal ends 16a of the first conduit 14, and further forms a closure member of the longitudinal end 16a of the first conduit 14.
- the tip 29a is housed inside the a recess 29b of complementary shape formed at the longitudinal end 16b of the second conduit 19, with which the nozzle 29a cooperates to maintain the first conduit 14 and the second conduit 19 at a transverse distance relative to the longitudinal axis A1 of the first leads 14.
- spacers 21 illustrated in FIGS. 3 to 14 are not exhaustive and are not restrictive as to the scope of the invention.
- the different exemplary embodiments illustrated and described of spacers 21 have the particular advantages of being feasible at lower cost and of facilitating industrially the adaptation of distribution devices 18 according to different heat exchangers 5 of various structures, including tubes in particular. 12 of the beam 6 to supply refrigerant FR in specific numbers.
- heat exchangers 5 are equipped with dispensing devices 18 according to the invention.
- the dispensing devices 18 are housed inside the manifold 7, the wall 7a of which cleans the chamber 9 on which the tubes 12 of the bundle 6 of the heat exchangers 5 open.
- a circulation space of the refrigerating fluid FR sprayed out of the dispensing device 18 is formed inside the chamber 9.
- the refrigerant fluid FR is able to circulate inside the chamber 9 at least by part around the second conduit 19 or in other words at least partly around the dispensing device 18, prior to its admission to the tubes 12 of the bundle 6.
- the passages 20 are directly communicating with the outlets 24 of the tubes 12 of the bundle 6 on the chamber 9.
- the passages 20 being contiguous with the outlets 24 of the tubes 12 of the bundle 6.
- the edge of the passages 20 may advantageously be brazed along the edges of the outlets 24 of the tubes 12 of the bundle 6 on the manifold 7, to provide effective sealing of the zone of engagement between the passages 20 and the outlets 24 of the tubes 12 of the bundle 6.
- the distribution of the refrigerating fluid FR towards each of the tubes 12 of the bundle 6 is thus obtained particularly reliable and efficient, and the homogeneous refrigerant supply FR of the tubes 12 of the bundle 6 is obtained particularly efficiently along the dispensing device 18.
- the foregoing description clearly explains how the invention makes it possible to achieve the objectives it has set itself, and in particular to propose a dispensing device that homogenizes the distribution of the refrigerant fluid along the collecting box in order to guarantee an almost identical refrigerant in each tube of the beam that includes the heat exchanger.
- the structural organizations of the distribution device give them adaptability at lower costs according to the arrangement of a specific heat exchanger, especially with regard to the number of tubes of the beam that it comprises.
- the distribution device will be provided with two conduits, one surrounding the other at transverse distance by means of a spacing device interposed between them,
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1661741A FR3061951B1 (fr) | 2016-11-30 | 2016-11-30 | Dispositif de distribution d'un fluide refrigerant a l'interieur d'une boite collectrice d'un echangeur thermique. |
| PCT/FR2017/053302 WO2018100300A1 (fr) | 2016-11-30 | 2017-11-30 | Dispositif de distribution d'un fluide réfrigérant à l'intérieur d'une boîte collectrice d'un échangeur thermique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3548825A1 true EP3548825A1 (fr) | 2019-10-09 |
| EP3548825B1 EP3548825B1 (fr) | 2023-12-13 |
Family
ID=58401700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17817790.3A Active EP3548825B1 (fr) | 2016-11-30 | 2017-11-30 | Dispositif de distribution d'un fluide réfrigérant à l'intérieur d'une boîte collectrice d'un échangeur thermique |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3548825B1 (fr) |
| CN (1) | CN110234951B (fr) |
| FR (1) | FR3061951B1 (fr) |
| WO (1) | WO2018100300A1 (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019002738A1 (de) * | 2019-04-15 | 2020-10-15 | Uhrig Energie Gmbh | Wärmetauschermodul, Wärmetauschersystem und Verfahren zum Herstellen des Wärmetauschersystems |
| FR3103543B1 (fr) * | 2019-11-21 | 2021-10-22 | Air Liquide | Echangeur de chaleur avec agencement de dispositifs mélangeurs améliorant la distribution d’un mélange diphasique |
| EP3855059B1 (fr) | 2020-01-24 | 2023-11-15 | Aptiv Technologies Limited | Diviseur d'écoulement passif et système de refroidissement de liquide le comprenant |
| CN114688765A (zh) * | 2020-12-30 | 2022-07-01 | 广东美的白色家电技术创新中心有限公司 | 换热器和空调器 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2160274C (fr) * | 1995-10-11 | 2000-05-30 | Stanley H. Sather | Echangeur de chaleur pour sechoir de pate de bois |
| SE531267C2 (sv) * | 2004-10-21 | 2009-02-03 | Alfa Laval Corp Ab | Plattvärmeväxlare och plattmodul |
| DE202008004582U1 (de) * | 2007-04-16 | 2008-06-19 | Viessmann Werke Gmbh & Co Kg | Plattenwärmetauscher |
| US20110290465A1 (en) | 2010-06-01 | 2011-12-01 | Delphi Technologies, Inc. | Orientation insensitive refrigerant distributor tube |
| KR101372096B1 (ko) * | 2011-11-18 | 2014-03-07 | 엘지전자 주식회사 | 열교환기 |
| DE102011088635A1 (de) * | 2011-12-14 | 2013-06-20 | Behr Gmbh & Co. Kg | Wärmeübertrager |
| US9581397B2 (en) * | 2011-12-29 | 2017-02-28 | Mahle International Gmbh | Heat exchanger assembly having a distributor tube retainer tab |
| KR20140116626A (ko) * | 2013-03-25 | 2014-10-06 | 엘지전자 주식회사 | 열교환기 |
| CN103604254B (zh) * | 2013-11-12 | 2016-07-06 | 清华大学 | 一种内置气液两相流分流结构 |
-
2016
- 2016-11-30 FR FR1661741A patent/FR3061951B1/fr active Active
-
2017
- 2017-11-30 EP EP17817790.3A patent/EP3548825B1/fr active Active
- 2017-11-30 WO PCT/FR2017/053302 patent/WO2018100300A1/fr not_active Ceased
- 2017-11-30 CN CN201780084082.4A patent/CN110234951B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110234951A (zh) | 2019-09-13 |
| CN110234951B (zh) | 2021-08-03 |
| FR3061951B1 (fr) | 2019-06-21 |
| WO2018100300A1 (fr) | 2018-06-07 |
| EP3548825B1 (fr) | 2023-12-13 |
| FR3061951A1 (fr) | 2018-07-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3423770B1 (fr) | Reservoir de matériau a changement de phase muni d'un tube de remplissage dudit réservoir, pour un échangeur de chaleur d'une installation de conditionnement d'air d'un véhicule automobile | |
| EP3548825B1 (fr) | Dispositif de distribution d'un fluide réfrigérant à l'intérieur d'une boîte collectrice d'un échangeur thermique | |
| FR3075346A1 (fr) | Boite collectrice d'un echangeur thermique munie d'un organe de maintien et/ou de positionnement angulaire d'un dispositif de distribution d'un fluide refrigerant | |
| EP3548828A1 (fr) | Dispositif de distribution d'un fluide réfrigérant à l'intérieur de tubes d'un échangeur de chaleur constitutif d'un circuit de fluide réfrigérant | |
| FR3061280B1 (fr) | Dispositif de distribution d'un fluide refrigerant a l'interieur d'une boite collectrice d'un echangeur thermique pour une installation de conditionnement d'air d'un vehicule | |
| WO2018100302A1 (fr) | Dispositif d'homogénéisation de la distribution d'un fluide réfrigérant à l'intérieur de tubes d'un échangeur de chaleur constitutif d'un circuit de fluide réfrigérant | |
| FR3059404B1 (fr) | Dispositif de distribution d'un fluide refrigerant a l'interieur d'une boite collectrice d'un echangeur thermique pour une installation de conditionnement d'air d'un vehicule | |
| FR3059405B1 (fr) | Dispositif de distribution d'un fluide refrigerant a l'interieur d'une boite collectrice d'un echangeur thermique | |
| WO2018100304A1 (fr) | Dispositif de distribution d'un fluide réfrigérant à l'intérieur d'une boîte collectrice d'un échangeur thermique | |
| EP3394553B1 (fr) | Échangeur thermique, notamment pour vehicule automobile | |
| FR3075345A1 (fr) | Boite collectrice d'un echangeur thermique logeant un dispositif de distribution d'un fluide refrigerant maintenu via un organe de centrage. | |
| FR3075349A1 (fr) | Dispositif de distribution d'un fluide refrigerant a l'interieur d'une boite collectrice d'un echangeur thermique, et boite collectrice equipee d'un tel dispositif de distribution | |
| EP3394545B1 (fr) | Échangeur thermique, notamment pour vehicule automobile | |
| FR3061281B1 (fr) | Boite collectrice d'un fluide refrigerant comprenant au moins un dispositif de positionnement angulaire d'un conduit | |
| FR3059408A1 (fr) | Dispositif de distribution d'un fluide refrigerant a l'interieur d'une boite collectrice d'un echangeur thermique | |
| EP3394544B1 (fr) | Échangeur thermique, notamment pour véhicule automobile | |
| EP3548826A1 (fr) | Dispositif de mixage d'un fluide réfrigérant à l'intérieur d'une boîte collectrice d'un échangeur thermique | |
| FR3061950A1 (fr) | Dispositif d’homogeneisation de la distribution d’un fluide refrigerant a l’interieur de tubes d’un echangeur de chaleur constitutif d’un circuit de fluide refrigerant | |
| FR3059409B1 (fr) | Dispositif d'homogeneisation de la distribution d'un fluide refrigerant a l'interieur de tubes d'un echangeur de chaleur constitutif d'un circuit de fluide refrigerant | |
| FR3045802A1 (fr) | Echangeur thermique, notamment pour vehicule automobile | |
| FR3059398A1 (fr) | Dispositif de distribution d'un fluide refrigerant a l'interieur d'une boite collectrice d'un echangeur thermique pour une installation de conditionnement d'air d'un vehicule | |
| WO2017109350A1 (fr) | Échangeur thermique, notamment pour vehicule automobile | |
| FR3075347A1 (fr) | Dispositif de distribution d'un fluide refrigerant destine a etre loge dans une boite collectrice d'un echangeur de chaleur | |
| FR3075348A1 (fr) | Dispositif de distribution d'un fluide refrigerant destine a etre loge dans une boite collectrice d'un echangeur de chaleur | |
| FR3059406A1 (fr) | Dispositif de mixage d'un fluide refrigerant a l'interieur d'une boite collectrice d'un echangeur thermique pour une installation de conditionnement d'air d'un vehicule |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
| 17P | Request for examination filed |
Effective date: 20190614 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
| AX | Request for extension of the european patent |
Extension state: BA ME |
|
| DAV | Request for validation of the european patent (deleted) | ||
| DAX | Request for extension of the european patent (deleted) | ||
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
| 17Q | First examination report despatched |
Effective date: 20201026 |
|
| GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: GRANT OF PATENT IS INTENDED |
|
| INTG | Intention to grant announced |
Effective date: 20230424 |
|
| GRAJ | Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deleted |
Free format text: ORIGINAL CODE: EPIDOSDIGR1 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
| P01 | Opt-out of the competence of the unified patent court (upc) registered |
Effective date: 20230528 |
|
| GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: GRANT OF PATENT IS INTENDED |
|
| INTC | Intention to grant announced (deleted) | ||
| INTG | Intention to grant announced |
Effective date: 20230718 |
|
| GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
| GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE PATENT HAS BEEN GRANTED |
|
| AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
| REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
| REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
| REG | Reference to a national code |
Ref country code: DE Ref legal event code: R096 Ref document number: 602017077517 Country of ref document: DE |
|
| REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D Free format text: LANGUAGE OF EP DOCUMENT: FRENCH |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20240314 |
|
| REG | Reference to a national code |
Ref country code: LT Ref legal event code: MG9D |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20231213 |
|
| REG | Reference to a national code |
Ref country code: NL Ref legal event code: MP Effective date: 20231213 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20231213 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20231213 Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20240314 Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20231213 Ref country code: BG Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20240313 |
|
| REG | Reference to a national code |
Ref country code: AT Ref legal event code: MK05 Ref document number: 1640768 Country of ref document: AT Kind code of ref document: T Effective date: 20231213 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20231213 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20231213 Ref country code: RS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20231213 Ref country code: NO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20240313 Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20231213 Ref country code: LV Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20231213 Ref country code: HR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20231213 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20240413 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CZ Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20231213 Ref country code: AT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20231213 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20231213 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SM Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20231213 Ref country code: SK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20231213 Ref country code: RO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20231213 Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20231213 Ref country code: IS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20240413 Ref country code: EE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20231213 Ref country code: CZ Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20231213 Ref country code: AT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20231213 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: PT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20240415 Ref country code: PL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20231213 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: PT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20240415 Ref country code: PL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20231213 |
|
| REG | Reference to a national code |
Ref country code: DE Ref legal event code: R097 Ref document number: 602017077517 Country of ref document: DE |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20231213 |
|
| PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20231213 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20231213 Ref country code: DK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20231213 |
|
| 26N | No opposition filed |
Effective date: 20240916 |
|
| REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MC Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20231213 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20241130 |
|
| REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
| GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20241130 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20241130 |
|
| REG | Reference to a national code |
Ref country code: BE Ref legal event code: MM Effective date: 20241130 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20231213 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20241130 Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20241130 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20241130 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20251117 Year of fee payment: 9 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20251128 Year of fee payment: 9 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CY Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO Effective date: 20171130 |