US20150377560A1 - Manifold, in particular for use in a cooler of a cooling system - Google Patents
Manifold, in particular for use in a cooler of a cooling system Download PDFInfo
- Publication number
- US20150377560A1 US20150377560A1 US14/750,273 US201514750273A US2015377560A1 US 20150377560 A1 US20150377560 A1 US 20150377560A1 US 201514750273 A US201514750273 A US 201514750273A US 2015377560 A1 US2015377560 A1 US 2015377560A1
- Authority
- US
- United States
- Prior art keywords
- housing
- slots
- manifold
- cooler
- covering profile
- 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.)
- Abandoned
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 8
- 238000004891 communication Methods 0.000 claims abstract description 7
- 239000012530 fluid Substances 0.000 claims abstract description 7
- 238000005219 brazing Methods 0.000 claims description 9
- 239000002826 coolant Substances 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000035699 permeability Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- 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
- F28D1/0535—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 the conduits having a non-circular cross-section
- F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
-
- 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
-
- 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
- F28D1/0535—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 the conduits having a non-circular cross-section
- F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
- F28D1/05375—Assemblies of conduits connected to common headers, e.g. core type radiators with particular pattern of flow, e.g. change of flow direction
-
- 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
- F28F9/0214—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions having only longitudinal partitions
-
- 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
- F28F9/0219—Arrangements for sealing end plates into casing or header box; Header box sub-elements
- F28F9/0224—Header boxes formed by sealing end plates into covers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2225/00—Reinforcing means
- F28F2225/08—Reinforcing means for 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
- F28F2255/00—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
- F28F2255/16—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes extruded
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
- F28F2265/32—Safety or protection arrangements; Arrangements for preventing malfunction for limiting movements, e.g. stops, locking 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
- F28F2275/00—Fastening; Joining
- F28F2275/04—Fastening; Joining by brazing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2280/00—Mounting arrangements; Arrangements for facilitating assembling or disassembling of heat exchanger parts
- F28F2280/04—Means for preventing wrong assembling of parts
Definitions
- the present invention relates to a manifold, in particular for use in a cooler of a cooling system.
- the aim of the present invention is to provide a manifold that is simpler and less expensive to manufacture, by means of which the need for any additional processing of the pipes of the cooling assembly is avoided, and which at the same time ensures in any case permeability of the tubes of the cooling assembly, despite its deep insertion into the manifold.
- the manifold comprises a housing which is a unitary element having a closed profile and which is provided with at least one longitudinal channel defined therein and also a plurality of slots on one of surfaces of the housing.
- the slots are in fluid communication with at least one longitudinal channel.
- the manifold further includes a covering profile superimposed on the housing and provided with a plurality of slots at positions corresponding to the positions of the slots of the housing.
- the covering profile is firmly connected to and sealed against the housing while the slots of the covering profile are adapted for receiving cooler tubes.
- the manifold according to the invention is characterized in that at least one longitudinal channel of the housing has on its surface a stopping means against which the cooler tubes may abut while the slots of the housing are also adapted for receiving the cooler tubes.
- the manifold developed in this way is simple and easy to manufacture. Through the use of the stopping means it is not necessary to machine the ends of the cooler tubes and it is ensured that the inlets/outlets of the tubes themselves are always exposed, thus providing the maximum permeability of the gas cooler assembly. Furthermore, the ends of the tubes are not in contact with the optionally plated parts, i.e. the covering profile. Thanks to that the risk of clogging of the channels with the plating material in its liquid phase associated with the capillary effect (rising of the molten solder into the slots) is less critical.
- the fact that the tubes are received in the interior of the housing causes that the gas cooler assembly comprising manifolds according to the invention is already quite stiff before the permanent connection of components, while its individual elements are fixed relative to each other, what considerably facilitates the permanent connection of all components of the assembly to each other, for example by brazing.
- FIG. 1 shows an exploded perspective view of the manifold according to a first embodiment of the invention.
- FIG. 2 shows a perspective view of the assembled manifold according to the first embodiment of the invention.
- FIG. 3 shows a cross sectional view of the manifold according to the first embodiment of the invention with the flat tubes introduced.
- FIG. 4 shows detail A of FIG. 3 .
- FIG. 5 shows a cross sectional view of the manifold according to a second embodiment of the invention with the flat tubes introduced.
- FIG. 6 shows detail B of FIG. 5 .
- FIG. 7 shows the gas cooler assembly with the manifolds according to the invention.
- the manifold 1 comprises a cap or covering profile 2 and an inner housing 4 .
- the covering profile 2 is manufactured from a plate, preferably of aluminium and/or its alloys, having a thickness of 0.8 mm to 2 mm, preferably 1 mm, by means of pressing process and bent in such manner that it substantially replicates the external shape of the inner housing 4 .
- the covering profile 2 made of aluminium and/or its alloys may be plated on its one or both sides and has a plurality of slots 3 arranged in a single row, into which flat tubes 17 of a gas cooler 19 are introduced during the use of the manifold 1 .
- the slots 3 are precisely made slots, so that the flat tubes 17 , having internal passages, are tightly received in these slots 3 .
- the inner housing 4 has a closed hollow profile, it is an unitary element, it is manufactured using an extrusion process, it has thick and solid walls, whereby it is resistant to high operational pressure, and it contains in its interior two separate longitudinal channels 5 a and 5 b for the flow of a cooling medium.
- the channels 5 a and 5 b are separated from each other by a reinforcing arch 7 in order to strengthen the structure of the inner housing 4 and the entire manifold 1 .
- the inner housing 4 is also provided in its interior, i.e. on surfaces 6 a, 6 b of the channels 5 a, 5 b, with stopping elements 8 , against which the inserted flat tubes 17 abut.
- the stopping elements 8 are in the form of projections 8 a extending along the channels 5 a, 5 b and from their surfaces 6 a, 6 b towards the interior of the channels 5 a, 5 b.
- the inner housing 4 has a plurality of slots 10 at positions corresponding to the positions of the slots 3 in the covering profile 2 , which the slots 10 need not be made with such accurate dimensions as the slots 3 of the covering profile 2 , that is, their dimensions do not have to be exactly matched to the dimensions of the flat tubes 17 , it is sufficient for the slots 10 to have a size larger than, or at least the same as, the size of flat tubes 17 , and hence also the slots 3 .
- the slots 10 can be made by a process using a milling saw, which process does not have to be precise, with the result that the inner housing 4 made in that way is simple and cheaper to manufacture. Furthermore, the slots 10 are in fluid communication with the channels 5 a, 5 b of the inner housing 4 .
- the inner housing 4 is also preferably made of aluminium and/or its alloys.
- the covering profile 2 is applied on and bent over the inner housing 4 , in particular over its corners 9 , so that, preferably, a larger portion of one of the outer surfaces of the inner housing 4 , preferably an exposed surface 12 opposite to the surface on which the slots 10 are made remains uncovered by the covering profile 2 .
- the covering profile 2 does not have to cover almost entire or entire surface of the inner housing 4 . It is sufficient that the covering profile 2 covers at least that surface of the inner housing 4 , in which the slots 10 are positioned, in such a case the covering profile 2 does not cover most of the housing 4 as it is the case in the currently described preferred embodiment, whereby the housing 4 is no longer positioned inside the bent covering profile 2 , but rather these two elements are mutually adjacent.
- the covering profile 2 extends longitudinally beyond the profile of the inner housing 4 , namely beyond ends 14 of the housing so as to form a seat 15 for a baffle/plug 16 , preferably of aluminium and/or its alloys, for sealing the ends 14 of the inner housing 4 and the entire manifold 1 .
- a baffle/plug 16 preferably of aluminium and/or its alloys
- the covering profile 2 and the inner housing 4 are joined together and sealed against each other, as well as with respect to the plug 16 , by brazing in a brazing furnace. This causes sealing of all contact edges between these elements.
- the manifold 1 assembled in this way has a substantially rectangular cross-section.
- the flat tubes 17 In use of the manifold 1 according to the invention in the gas cooler assembly 19 , the flat tubes 17 , between which ribs 18 extend, are introduced into the slots 3 , 10 in both components of the manifold 1 .
- the tubes are firstly received tightly in the slots 3 and next loosely in the slots 10 and abut against the stopping elements 8 in the inner housing 4 with the result that their further movement into the inner housing 4 is prevented.
- This also results in that the outlets/inlets of flat tubes 17 will not be blocked/closed by the surfaces 6 a, 6 b of the channels 5 a, 5 b.
- Such configuration also allows precise and easy assembling of the entire gas cooler assembly, and it ensures that elements of the assembly assembled in such a way will not rotate or otherwise move relative to each other before/during brazing, while eliminating the need for using so-called “end-forming” process.
- the flat tubes 17 are secured to and sealed against the manifold 1 by brazing between the flat tube 17 and the covering profile 2 , i.e. around the slots 3 .
- FIGS. 5 and 6 show a second embodiment of the manifold 1 according to the invention.
- General design of the manifold 1 according to this embodiment is the same as in the first embodiment shown in FIGS. 1-4 .
- the inner housing 4 is provided only with a single longitudinal channel 5 being in fluid communication with the slots 10 , and thus only one surface 6 of the longitudinal channel 5 , i.e. the interior of the inner housing 4 is not divided by the reinforcing arch 7 into two separate channels 5 a, 5 b.
- the assembled manifold 1 has a configuration similar to cylindrical and due to the fact that such a configuration is naturally resistant to high pressure and the diameter of the tube is not large (of the order of several/several tens of millimetres) the use of the reinforcing arch 7 is not necessary.
- the stopping element 8 is in the form of a notch 8 b on the inner surface of the inner housing 4 , i.e. the surface 6 of the longitudinal channel 5 , at the slot 10 .
- the inner housing 4 has on its outer surface, near the slots 10 , two opposite longitudinal projections 11 . These projections 11 are main brazing points serving to enhance sealing process of the manifold 1 and also the process of joining its components together.
- the projections 11 By using the projections 11 an assembly is obtained, in which at least these two projections 11 and, hence, the inner housing 4 , contact with the covering profile 2 over the entire length of the tube, thereby providing a correct and effective brazing. Furthermore, the projections 11 improve the effect of bending the covering profile 2 over the inner housing 4 .
- FIG. 7 shows the gas cooler assembly of the cooling system, in which manifolds 1 according to the invention are used.
- manifolds 1 On the right-hand side of the gas cooler 19 there are arranged two separate manifolds 1 , wherein one of them is used for supplying the cooling medium into the cooler, while the other is for discharging that medium.
- These manifolds 1 are provided on their exposed surfaces 12 , uncovered by the covering profile 2 , with apertures/ports 13 for connection to an external circuit of the cooling medium. These openings are in fluid communication with the channels 5 , 5 a, 5 b of the inner housing 4 .
- the manifold 1 shown on the left-hand side of the gas cooler 19 is not provided with such openings 13 , as a result of which it is merely an intermediate element in the gas cooler assembly 19 , i.e. the cooling medium flows into one of the manifolds 1 on the right-hand side of the assembly, flows through a portion of the flat tubes, flows into the manifold 1 on the left-hand side of the assembly, then flows again into the flat tubes 17 , and flows out the other of the manifolds 1 on the right-hand side of the assembly.
- one manifold 1 is used on each side of the assembly, each of which has an aperture/port 13 , and one of the manifolds is an inlet manifold while the other is an outlet manifold.
- one manifold 1 it is possible to apply one manifold 1 on each side of the assembly, wherein one manifold does not have apertures/ports 13 , and the other has two apertures/ports 13 for supplying and discharging the cooling medium.
- the stopping elements 8 in the form of the notches 8 , 8 b can be used, while in the inner housing 4 having a single channel 5 , the stopping elements 8 in the form of the projections 8 a can be used. It is also not necessary to use two stopping elements 8 , in many practical applications only one is sufficient, furthermore the position of these elements in relation to the slots 10 can vary, i.e. adjacently to the slots 10 or at some distance from them. It is also possible to connect several manifolds 1 into one longer manifold, in such a case, the manifolds without plugs 16 are used and are firmly butt joined, and only the extreme ends of the manifolds are closed by plugs 16 .
Abstract
A manifold for use in a cooler of a cooling system is disclosed. The manifold includes a housing, which is a unitary element having a closed profile and has at least one longitudinal channel defined therein and also a plurality of slots on one of surfaces of the housing, which slots are in fluid communication with the longitudinal channel The manifold also includes a covering profile applied on the housing, having a plurality of slots at positions corresponding to the positions of the slots of the housing and fixedly connected to the housing. The slots of both components of the manifold are adapted for receiving tubes of the cooler, while the longitudinal channel has on its surface a stopping means against which the tubes of the cooler may abut.
Description
- The present invention relates to a manifold, in particular for use in a cooler of a cooling system.
- There are known, for example from US2003/0155109 A1, manifolds consisting of two components, namely an inner housing and a covering profile, which is applied and bent on the inner housing. Both those elements are provided with plurality of corresponding slots for introduction of tubes of the cooling assembly/supplying a cooling medium, which tubes are introduced only into the covering profile. The inner housing is provided with a channel defined therein for the flow of the cooling medium. Such a solution, however, results in that it is required to use so-called “end-forming” process, for example by thinning the end of the inserted tube so that only the thinned part of the tube is inserted into the slot of the covering profile, while its non-thinned portion abuts against that covering profile to maintain permeability of the tubes. Manufacturing of the tubes is thus more complicated and additionally during the end-forming process an uncontrolled process of clogging or deforming of the tube channels (especially the extreme ones) may occur what is disadvantageous to the thermal efficiency of the cooler.
- The aim of the present invention is to provide a manifold that is simpler and less expensive to manufacture, by means of which the need for any additional processing of the pipes of the cooling assembly is avoided, and which at the same time ensures in any case permeability of the tubes of the cooling assembly, despite its deep insertion into the manifold.
- The above object is achieved by a manifold according to
claim 1 and the following dependent claims. The manifold comprises a housing which is a unitary element having a closed profile and which is provided with at least one longitudinal channel defined therein and also a plurality of slots on one of surfaces of the housing. The slots are in fluid communication with at least one longitudinal channel. The manifold further includes a covering profile superimposed on the housing and provided with a plurality of slots at positions corresponding to the positions of the slots of the housing. The covering profile is firmly connected to and sealed against the housing while the slots of the covering profile are adapted for receiving cooler tubes. The manifold according to the invention is characterized in that at least one longitudinal channel of the housing has on its surface a stopping means against which the cooler tubes may abut while the slots of the housing are also adapted for receiving the cooler tubes. - The manifold developed in this way is simple and easy to manufacture. Through the use of the stopping means it is not necessary to machine the ends of the cooler tubes and it is ensured that the inlets/outlets of the tubes themselves are always exposed, thus providing the maximum permeability of the gas cooler assembly. Furthermore, the ends of the tubes are not in contact with the optionally plated parts, i.e. the covering profile. Thanks to that the risk of clogging of the channels with the plating material in its liquid phase associated with the capillary effect (rising of the molten solder into the slots) is less critical. Furthermore, the fact that the tubes are received in the interior of the housing causes that the gas cooler assembly comprising manifolds according to the invention is already quite stiff before the permanent connection of components, while its individual elements are fixed relative to each other, what considerably facilitates the permanent connection of all components of the assembly to each other, for example by brazing.
- The present invention is illustrated in its embodiments in the accompanying drawings, in which:
-
FIG. 1 shows an exploded perspective view of the manifold according to a first embodiment of the invention. -
FIG. 2 shows a perspective view of the assembled manifold according to the first embodiment of the invention. -
FIG. 3 shows a cross sectional view of the manifold according to the first embodiment of the invention with the flat tubes introduced. -
FIG. 4 shows detail A ofFIG. 3 . -
FIG. 5 shows a cross sectional view of the manifold according to a second embodiment of the invention with the flat tubes introduced. -
FIG. 6 shows detail B ofFIG. 5 . -
FIG. 7 shows the gas cooler assembly with the manifolds according to the invention. - The
manifold 1 according to the invention comprises a cap or coveringprofile 2 and aninner housing 4. The coveringprofile 2 is manufactured from a plate, preferably of aluminium and/or its alloys, having a thickness of 0.8 mm to 2 mm, preferably 1 mm, by means of pressing process and bent in such manner that it substantially replicates the external shape of theinner housing 4. By such a structure of the coveringprofile 2 it is easy to manufacture. The coveringprofile 2 made of aluminium and/or its alloys may be plated on its one or both sides and has a plurality ofslots 3 arranged in a single row, into whichflat tubes 17 of agas cooler 19 are introduced during the use of themanifold 1. Theslots 3 are precisely made slots, so that theflat tubes 17, having internal passages, are tightly received in theseslots 3. - The
inner housing 4 has a closed hollow profile, it is an unitary element, it is manufactured using an extrusion process, it has thick and solid walls, whereby it is resistant to high operational pressure, and it contains in its interior two separatelongitudinal channels channels arch 7 in order to strengthen the structure of theinner housing 4 and theentire manifold 1. Theinner housing 4 is also provided in its interior, i.e. onsurfaces channels stopping elements 8, against which the insertedflat tubes 17 abut. In this embodiment, thestopping elements 8 are in the form ofprojections 8 a extending along thechannels surfaces channels inner housing 4 has a plurality ofslots 10 at positions corresponding to the positions of theslots 3 in thecovering profile 2, which theslots 10 need not be made with such accurate dimensions as theslots 3 of thecovering profile 2, that is, their dimensions do not have to be exactly matched to the dimensions of theflat tubes 17, it is sufficient for theslots 10 to have a size larger than, or at least the same as, the size offlat tubes 17, and hence also theslots 3. This results in that theflat tubes 17 are received loosely in theslots 10 and tightly in theslots 3. Theslots 10 can be made by a process using a milling saw, which process does not have to be precise, with the result that theinner housing 4 made in that way is simple and cheaper to manufacture. Furthermore, theslots 10 are in fluid communication with thechannels inner housing 4. Just like the coveringprofile 2, theinner housing 4 is also preferably made of aluminium and/or its alloys. - As illustrated in
FIG. 2 , the coveringprofile 2 is applied on and bent over theinner housing 4, in particular over itscorners 9, so that, preferably, a larger portion of one of the outer surfaces of theinner housing 4, preferably an exposedsurface 12 opposite to the surface on which theslots 10 are made remains uncovered by the coveringprofile 2. Of course, the coveringprofile 2 does not have to cover almost entire or entire surface of theinner housing 4. It is sufficient that the coveringprofile 2 covers at least that surface of theinner housing 4, in which theslots 10 are positioned, in such a case the coveringprofile 2 does not cover most of thehousing 4 as it is the case in the currently described preferred embodiment, whereby thehousing 4 is no longer positioned inside the bent coveringprofile 2, but rather these two elements are mutually adjacent. The coveringprofile 2 extends longitudinally beyond the profile of theinner housing 4, namely beyondends 14 of the housing so as to form aseat 15 for a baffle/plug 16, preferably of aluminium and/or its alloys, for sealing theends 14 of theinner housing 4 and theentire manifold 1. However, in another embodiment there is no need to form such a seat, in which case the ends of both the coveringprofile 2 and theinner housing 4 are aligned with each other, as a result of which theplug 16 rests on both those elements. The coveringprofile 2 and theinner housing 4 are joined together and sealed against each other, as well as with respect to theplug 16, by brazing in a brazing furnace. This causes sealing of all contact edges between these elements. Themanifold 1 assembled in this way has a substantially rectangular cross-section. - In use of the
manifold 1 according to the invention in thegas cooler assembly 19, theflat tubes 17, between whichribs 18 extend, are introduced into theslots manifold 1. The tubes are firstly received tightly in theslots 3 and next loosely in theslots 10 and abut against thestopping elements 8 in theinner housing 4 with the result that their further movement into theinner housing 4 is prevented. This also results in that the outlets/inlets offlat tubes 17 will not be blocked/closed by thesurfaces channels flat tubes 17 are secured to and sealed against themanifold 1 by brazing between theflat tube 17 and the coveringprofile 2, i.e. around theslots 3. -
FIGS. 5 and 6 show a second embodiment of themanifold 1 according to the invention. General design of themanifold 1 according to this embodiment is the same as in the first embodiment shown inFIGS. 1-4 . However, in this case, theinner housing 4 is provided only with a singlelongitudinal channel 5 being in fluid communication with theslots 10, and thus only onesurface 6 of thelongitudinal channel 5, i.e. the interior of theinner housing 4 is not divided by the reinforcingarch 7 into twoseparate channels manifold 1 has a configuration similar to cylindrical and due to the fact that such a configuration is naturally resistant to high pressure and the diameter of the tube is not large (of the order of several/several tens of millimetres) the use of the reinforcingarch 7 is not necessary. In this embodiment, thestopping element 8 is in the form of anotch 8 b on the inner surface of theinner housing 4, i.e. thesurface 6 of thelongitudinal channel 5, at theslot 10. Moreover, theinner housing 4 has on its outer surface, near theslots 10, two oppositelongitudinal projections 11. Theseprojections 11 are main brazing points serving to enhance sealing process of themanifold 1 and also the process of joining its components together. By using theprojections 11 an assembly is obtained, in which at least these twoprojections 11 and, hence, theinner housing 4, contact with thecovering profile 2 over the entire length of the tube, thereby providing a correct and effective brazing. Furthermore, theprojections 11 improve the effect of bending thecovering profile 2 over theinner housing 4. -
FIG. 7 shows the gas cooler assembly of the cooling system, in which manifolds 1 according to the invention are used. On the right-hand side of thegas cooler 19 there are arranged twoseparate manifolds 1, wherein one of them is used for supplying the cooling medium into the cooler, while the other is for discharging that medium. Thesemanifolds 1 are provided on their exposedsurfaces 12, uncovered by thecovering profile 2, with apertures/ports 13 for connection to an external circuit of the cooling medium. These openings are in fluid communication with thechannels inner housing 4. Themanifold 1 shown on the left-hand side of thegas cooler 19 is not provided withsuch openings 13, as a result of which it is merely an intermediate element in the gascooler assembly 19, i.e. the cooling medium flows into one of themanifolds 1 on the right-hand side of the assembly, flows through a portion of the flat tubes, flows into themanifold 1 on the left-hand side of the assembly, then flows again into theflat tubes 17, and flows out the other of themanifolds 1 on the right-hand side of the assembly. In other embodiments of the gascooler assembly 19, onemanifold 1 is used on each side of the assembly, each of which has an aperture/port 13, and one of the manifolds is an inlet manifold while the other is an outlet manifold. Similarly, it is possible to apply onemanifold 1 on each side of the assembly, wherein one manifold does not have apertures/ports 13, and the other has two apertures/ports 13 for supplying and discharging the cooling medium. - Note that it is possible to replace the technical features between the above-described embodiments of the invention. For example, in the
inner housing 4 having twoseparate channels elements 8 in the form of thenotches inner housing 4 having asingle channel 5, the stoppingelements 8 in the form of theprojections 8 a can be used. It is also not necessary to use two stoppingelements 8, in many practical applications only one is sufficient, furthermore the position of these elements in relation to theslots 10 can vary, i.e. adjacently to theslots 10 or at some distance from them. It is also possible to connectseveral manifolds 1 into one longer manifold, in such a case, the manifolds withoutplugs 16 are used and are firmly butt joined, and only the extreme ends of the manifolds are closed byplugs 16.
Claims (10)
1. A manifold for use in a cooler of a cooling system, comprising:
a housing, which is a unitary element having a closed profile and has at least one longitudinal channel defined therein, the housing comprising a plurality of slots on one of a plurality of surfaces of said housing, said plurality of slots being in fluid communication with said at least one longitudinal channel; and
a covering profile applied on said housing and having a plurality of slots at positions corresponding to positions of said plurality of slots of said housing, said covering profile being fixedly connected to and sealed against said housing, said plurality of slots of said covering profile being adapted for receiving tubes of said cooler;
wherein said at least one longitudinal channel has on its surface a stopping means against which said tubes of said cooler may abut, and
said plurality of slots of said housing are also adapted for receiving said tubes of said cooler.
2. A manifold according to claim 1 , wherein said stopping means is in the form of opposing projections on said surface of said at least one longitudinal channel, said projections being directed towards the interior of said at least one longitudinal channel and arranged at said plurality of slots of said housing.
3. A manifold according to claim 1 , wherein said stopping means is in the form of notches on said surface of said at least one longitudinal channel, said notches being arranged at said plurality of slots of said housing.
4. A manifold according to claim 1 , wherein the size of said plurality of slots of said housing is at least equal to or greater than the size of said slots of said covering profile.
5. A manifold according to claim 1 , wherein said at least one longitudinal channel includes two channels separated by a reinforcing arch, each said channel having its own stopping means on its surface.
6. A manifold according to claim 1 , wherein said covering profile is so applied on said housing that one surface of said housing is exposed, said surface having at least one port in fluid communication with said at least one longitudinal channel for connection to an external circuit of a cooling medium.
7. A manifold according to claim 1 , wherein both said covering profile and said housing are made of aluminium and/or its alloys and are connected to each other by means of brazing.
8. A manifold according to claim 1 , wherein it is closed at both of its ends by a plug.
9. A manifold according to claim 8 , wherein said plug is also made of aluminium and/or its alloys and is coupled to said covering profile and said housing also by means of brazing.
10. A cooler comprising a manifold according to claim 1 .
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14461546.5 | 2014-06-26 | ||
EP14461546.5A EP2960609B1 (en) | 2014-06-26 | 2014-06-26 | Manifold, in particular for use in a cooler of a cooling system |
Publications (1)
Publication Number | Publication Date |
---|---|
US20150377560A1 true US20150377560A1 (en) | 2015-12-31 |
Family
ID=51176314
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/750,273 Abandoned US20150377560A1 (en) | 2014-06-26 | 2015-06-25 | Manifold, in particular for use in a cooler of a cooling system |
Country Status (3)
Country | Link |
---|---|
US (1) | US20150377560A1 (en) |
EP (1) | EP2960609B1 (en) |
CN (1) | CN105318770A (en) |
Cited By (3)
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US20180245861A1 (en) * | 2015-08-24 | 2018-08-30 | Mahle International Gmbh | Heat exchanger |
DE102019105980A1 (en) * | 2019-03-08 | 2020-09-10 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Reversing collector for a cooling system of a traction battery of an electrically operated vehicle and cooling system for a traction battery |
JP2021099219A (en) * | 2016-01-28 | 2021-07-01 | エル アンド エム ラジエーター インコーポレイテッドL&M Radiator, Inc. | Heat exchanger with tanks, tubes, and retainer |
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EP3239636A1 (en) | 2016-04-28 | 2017-11-01 | Valeo Systemes Thermiques | A manifold for a heat exchanger, in particular for an automotive radiator |
EP3246650B1 (en) | 2016-05-20 | 2018-12-19 | Valeo Systemes Thermiques | A manifold for a heat exchanger, in particular for an automotive radiator |
EP3246646B1 (en) * | 2016-05-20 | 2023-01-04 | Valeo Systemes Thermiques | Cooler, in particular gas cooler to a cooling system |
EP3252421B1 (en) * | 2016-05-31 | 2019-05-08 | Valeo Systemes Thermiques | Heat exchanger assembly |
CN107120871B (en) * | 2017-07-04 | 2023-04-07 | 浙江银轮机械股份有限公司 | Liquid cooling heat exchanger for air conditioner |
EP3879218B1 (en) * | 2020-03-13 | 2022-09-07 | Valeo Autosystemy SP. Z.O.O. | A heat exchanger |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20180245861A1 (en) * | 2015-08-24 | 2018-08-30 | Mahle International Gmbh | Heat exchanger |
JP2021099219A (en) * | 2016-01-28 | 2021-07-01 | エル アンド エム ラジエーター インコーポレイテッドL&M Radiator, Inc. | Heat exchanger with tanks, tubes, and retainer |
JP7106703B2 (en) | 2016-01-28 | 2022-07-26 | エル アンド エム ラジエーター インコーポレイテッド | Heat exchanger with tank, tube and retainer |
DE102019105980A1 (en) * | 2019-03-08 | 2020-09-10 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Reversing collector for a cooling system of a traction battery of an electrically operated vehicle and cooling system for a traction battery |
DE102019105980B4 (en) * | 2019-03-08 | 2020-11-19 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Reversing collector for a cooling system of a traction battery of an electrically operated vehicle and cooling system for a traction battery |
Also Published As
Publication number | Publication date |
---|---|
CN105318770A (en) | 2016-02-10 |
EP2960609B1 (en) | 2022-10-05 |
EP2960609A1 (en) | 2015-12-30 |
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |