• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to an accumulator (1) having at least one storage module (2) for electrical energy and at least one cooling device (3) for cooling or temperature control for the at least one storage module (2), wherein the cooling device (3) comprises at least one flat module (4). in which a plurality of heat pipes are formed, or in that the cooling device (3) has at least one flat module (4) in which a stray sintered lining (17) is arranged and this flat module (4) has only one heat pipe.
    公开号:AT520692A2
    申请号:T50333/2018
    申请日:2018-04-20
    公开日:2019-06-15
    发明作者:Ing Stefan Gaigg Dipl；Ing Roland Hintringer Dipl
    申请人:Miba Ag；
    IPC主号:
    专利说明:

    The invention relates to an accumulator having at least one storage module for electrical energy and at least one cooling device for cooling or temperature control of the at least one memory module, wherein the cooling device has at least one heat pipe.
    Furthermore, the invention relates to a cooling device for cooling at least one accumulator, comprising a heat pipe.
    The service life and effectiveness as well as the safety of a rechargeable battery for so-called e-mobility depend, among other things, on the temperature during operation. For this reason, various concepts have already been proposed for the cooling or temperature control of the accumulators. In essence, the concepts can be divided into two types, namely air cooling and water cooling or generally cooling with liquids. For the water cooling heat sinks are used, in which at least one coolant channel is formed. These heat sinks are placed between the individual modules of the accumulator or on the modules. A module is an independent unit of the accumulator, so not necessarily only one cell.
    It is further known from the prior art that so-called heat pipes are used for the heat conduction.
    Thus, DE10 2008 054 958 A1 describes a tempering system for tempering at least one rechargeable battery of a motor vehicle with at least one heat transport device for thermal connection of the battery to at least one arranged in the motor vehicle heat source and / or heat sink.
    The heat transport device has at least one heat contact region for the detachable thermal contacting of the battery and at least one heat pipe for heat transport.
    A heat pipe (also referred to as a heat pipe) is, in simplified terms, a self-contained system in a substantially tubular housing having in its interior a fluid which is close to its boiling point due to the prevailing pressure at operating temperature. If the heat pipe is heated in a partial area, the fluid passes into the gas phase to Ren in the interior of the heat pipe in the direction of a cooler area to flow, there to condense and flow back along the inner walls of the housing of the heat pipe in the warmer area. In this (heat) transport process, the heat-pipe removes heat in an evaporation area of its environment and supplies this heat to the environment of the condensation area of the heat pipe.
    The present invention has for its object to provide an improved system for cooling a rechargeable battery, ie an accumulator.
    The object is achieved in the accumulator mentioned above in that the cooling device has at least one flat module in which a plurality of heat pipes are formed, or that the cooling device has at least one flat module in which a stray sintered coating is arranged and this flat module has only one heat pipe.
    Further, the object is achieved with the aforementioned cooling device, wherein the heat pipe is arranged in a flat module, wherein in the flat module a plurality of heat pipes are formed.
    The advantage here is that the flat module with the multiple heat pipes is easier to produce, as each separate heat pipes. The common arrangement in the flat module further allows a simpler Anordenbarkeit the accumulator, compared with individual, separate heatpipes. In addition, the flat design of the module allows more efficient heat dissipation.
    According to an embodiment of the accumulator or the cooling device can be provided that the flat module is formed from two welded or soldered together sheets. It can be simplified so that the flat system of the flat module to the accumulator. In addition, the sheets can be produced and formed using known methods which are frequently used in mechanical engineering. It is thus a better integration of the production of the flat modules in an existing production possible.
    According to one embodiment of the accumulator or the cooling device, a receptacle or at least one receptacle element for a coolant line is formed or arranged on an outer side of the flat module. The integration into a coolant circuit already present in a motor vehicle can thus be carried out without much effort.
    For better heat dissipation can be provided according to another embodiment that the accumulator has a trough, and that the at least one flat module rests flat against the tub.
    It is possible that a balancing mass is arranged on at least one surface of the flat module. With the help of this balancing mass a better investment of the flat module to the accumulator or the said trough can be achieved, as can be compensated over the balancing mass bumps. The area module in this case also has the advantage that the leveling compound can also be applied only partially.
    In order to improve the effectiveness of the heat dissipation, it can be provided according to another embodiment, that the flat module on the inside, on which the heat pipes are formed, in the heat pipes or over the entire surface has a stray sintered coating. It can thus be improved capillary action, so that the flat module can also be used horizontally.
    According to a further embodiment, it can be provided that the flat module has a filling opening, which is closed by a closure element, wherein the closure element is welded by means of EMPW technology with a wall surrounding the filling opening. The advantage here is that on the one hand by the low welding temperature and on the other hand by the relatively high speed of compound formation, the risk of evaporation of the liquid contained in the heatpipes can be reduced. It can thus be increased, the negative pressure in the heat pipes, so that the flat module can have improved efficiency.
    According to another embodiment of the accumulator can be provided that the at least one memory module is arranged in a housing, wherein the housing has a bottom element, and the flat module is integrated into the bottom element. With this embodiment, the assembly of the accumulator can be simplified, in particular by increasing the modularity of the units of the accumulator.
    It may be provided that the flat module forms a bottom of the bottom element at least partially, whereby a corresponding weight reduction of the bottom element, i. the floor module with the flat module, can be achieved.
    It can also be provided that the bottom element is trough-shaped, since thus the connection of the bottom element to the rest of the housing of the accumulator can be made easier. In addition, the tub-shaped element and retention basin can be used in the event of leakage.
    For easier filling of the flat module, in particular if this is integrated in the bottom element of the housing, it can be provided that the flat module has at least one filling opening formed as a recess in an edge region.
    For a better understanding of the invention, this will be explained in more detail with reference to the following figures.
    Each shows in a simplified, schematic representation:
    1 shows an accumulator in side view with a cooling device.
    2 shows a first embodiment of a flat module in an oblique view and in an exploded view;
    3 shows a second embodiment of a flat module in an oblique view and in an exploded view;
    4 shows a detail of a welding device before welding;
    5 shows a welded closure element;
    Fig. 6 shows a heat pipe with welded closure element in Seitenan view cut;
    Fig. 7 shows a variant of a heat pipe cut in side view ge;
    8 shows a variant of an accumulator in oblique view;
    9 is a bottom element of the accumulator of Figure 8 in an oblique view from above.
    10 shows the bottom element of the accumulator of Figure 8 in an oblique view from below.
    11 is a flat module in exploded view and oblique view.
    12 shows a detail of the flat module according to FIG. 11.
    Introductoryly it should be noted that in the differently described Ausfüh tion forms the same parts are provided with the same reference numerals or the same Bauteilbe drawings, the revelations contained in the entire description can be mutatis mutandis transferred to like parts with the same reference numerals or identical component names. Also, those are in the
    Description of selected location information, such. top, bottom, side, etc. related to the immediately described and illustrated figure and are given this situation in a change in position mutatis mutandis to the new situation.
    In Fig. 1, an accumulator 1, i. a rechargeable battery, shown in Seitenan view.
    The accumulator 1 comprises at least one memory module 2, in particular meh er memory modules 2, for electrical energy. For example, the accumulator 1 can have between 2 and 50 memory modules 2, which in particular can be divided into several rows. These stated values for the number of memory modules 2 are not to be understood as limiting.
    Since the basic structure of such accumulators 1 for e-mobility from the relevant prior art is known, it should be referred to avoid repetitions thereof. The following description is therefore limited to the cooling of the accumulator. 1
    The accumulator has a cooling device 3. This cooling device 3 has at least one flat module 4, which will be described in more detail below.
    The other components of the cooling device 3 may correspond to the prior art. After the accumulator 1 is used in particular in the automotive industry, the remaining cooling device 3 may be formed by the usual components of a vehicle cooling, and a cooling circuit with cooling lines, a heat exchanger (radiator), etc., have. Reference should also be made to the relevant prior art.
    As can be seen from the comparison in FIG. 1, the flat module 4 is arranged on one side of the rechargeable battery 1, in particular at the bottom. However, it can also be provided that several sides or surfaces of the memory module 2 or of the memory modules 2 have such flat modules, for example, they are arranged above and / or laterally.
    It is further preferred if all memory modules 2 with at least one
    Flat module 4 - the accumulator 1 may also have a plurality of flat modules 4 - are connected to the effect, so for example, the entire bottom of the SpeI chermodule 2 is provided with at least one flat module 4, so that all
    Memory modules 3 can be cooled.
    In principle, each memory module 2 can be equipped with its own flat module 4. Preferably, however, a flat module is assigned to a plurality of memory modules 2, in particular a flat module 4 is provided per row of memory modules 2.
    It should be noted that the terms top, etc., refer to the mounting position of the accumulator 1 in a motor vehicle.
    In Fig. 2, a first embodiment of the flat module 4 is shown in an oblique view and in exploded view.
    The flat module 4 has a first (upper) surface element 5 and a second (lower sheet metal element 6) or consists of these two surface elements 5, 6.
    Under a surface element 6 in the context of the invention is an element verstan the, the thickness 7 between 0.3 mm and 3 mm, a width 8 of 300 times the thickness of 7 to 3000 times the thickness 7 and a length 9 of 1 times the Width 8 to 10 times the width 8 has.
    The first surface element 5 and / or the second surface element 7 may for example consist of a plastic. But this should have a Wärmeleitfä ability of at least 1 W / (mK). The thermal conductivity can through
    Admixture of a thermally conductive filler to a base polymer can be achieved.
    As the base polymer, for example, polyamide (PA), polybutylene terephthalate (PBT), polypropylene (PP), polyetheretherketone (PEEK), etc. can be used.
    For example, graphite, metal particles such as e.g. Cu, Al, are used.
    In addition, the base polymer may have a fiber reinforcement, for example with glass fibers, carbon fibers, basalt fibers, etc.
    Preferably, however, a metal sheet is used as the first and / or second surface element 5, 6, for example a copper sheet, an aluminum sheet, a steel sheet, etc.
    In the illustrated embodiment of the flat module 4, the second surface element 6 has a plurality of groove-shaped recesses 10. These groove-shaped depressions extend in the direction of the length 9 of the surface element 6 and terminate at a distance 11 to the first broad side edge 12 and at a distance 13 to the second broad side edge 14. The distances 11 and 13 can be selected from a range of 2 mm to 100 mm.
    These recesses 10 form the heat pipes. As can be seen from FIG. 2, a plurality of heat pipes are arranged side by side and at a distance from one another in the flat module. For example, between two and twenty heatpipes can be arranged in a flat module.
    The first surface element 5 is formed in the embodiment variant shown in FIG. 2 inside (in the direction of the second surface element 6) and on the outside completely flat and without such recesses. It can thus be achieved a full-surface investment of the flat module 4 to the memory module 2 or another heat-emitting element.
    But it is also possible that both the first and the second surface element 5, 6 have the recesses 10. In this case, the recesses 10 of the first surface element 5 and the recesses 10 of the second surface element 6 may be formed opposite each other, so that they each form a recessed portion of a heat pipe. However, the recesses 10 of the first surface element 5 can also be formed offset relative to the recesses 10 of the second surface element 6.
    The surface elements 5, 6 can be produced for example by punching, cutting, etc. The depressions 10 can be produced simultaneously with it or by subsequent forming of the surface element 5, 6, for example by deep drawing, etc. Such methods are known to the person skilled in the art.
    Plastic surface elements 5, 6 can already be produced in the correct form from the plastic melt or the corresponding raw material, for example by injection molding, etc. These methods themselves are known from the prior art.
    The first and the second surface element 5, 6 are connected to each other along the side edges, for example by material bonding by welding, soldering,
    Gluing, etc., and optionally form-fitting. Optionally, the first and the second surface element 5, 6 and between the individual wells positively and / or cohesively connected to each other, so that each heat pipe is closed to the other heat pipes and a closed
    Can form a cycle.
    However, there is also the possibility that the first surface element 5 is integrally formed with the second surface element 6, and this one-piece
    Surface element is then folded / bent in the middle. In this case, the first part and the second part of the surface element may be joined together along only three instead of four side edges.
    As can be seen from FIG. 2, in the second surface element 6 (and / or in the first surface element 5) along the broad side edge 14 (alternatively also along the broad side edge 12), a groove-shaped channel 15 can be formed which projects in the direction of the other surface element 5 (and / or surface element 6) is open. In this channel, a cooling liquid, such as water, are performed, with which the forwarded from the flat module 4 heat can be removed. This channel 15 extends orthogonally to the recesses 10. In its end regions, the channel 15 may be equipped with connecting elements in order to be able to integrate it into a cooling system or to be able to establish a flow connection between a plurality of flat modules 4.
    Alternatively, however, it may be provided, as shown by the embodiment variant of the flat module according to FIG. 3, that this channel 15 is turned over in the second surface element 6, thus opening in the outward direction. It can thus a coolant line 16 are easily arranged in the channel, so that the connection of the flat module 4 can be made to an existing cooling system of a motor vehicle simp cher.
    In general, it should be noted at this point that in FIGS. 3 to 7, if appropriate, separate embodiments of the invention are shown, wherein the same reference numerals or component designations are used as in FIGS. 1 and 2 for the same parts. To avoid unnecessary repetition, reference is made to the detailed description of FIGS. 1 and 2 and referred to.
    In general, the second surface element 6 and / or the first surface element 5 can have a receptacle or a receiving element for a coolant line, in particular integrally formed therewith. The channel-shaped receptacle is easier to produce, for example with one of the above-mentioned methods. However, the receptacle or the at least one receptacle or the at least one receptacle element (which can also be a separate component) can also be embodied differently, for example in the form of a clip, a snap closure, a retaining clip, etc. The at least one receptacle has to be So not over the entire width 8 of the flat module 4 extend, even if this is due to the production of advantage.
    As can be seen from FIGS. 2 and 3, on an inner surface of the
    Flat module 4 a scattering sintered coating 17 may be arranged. This can be limited only to the recesses 10 (Fig. 2) or full surface, ie between tween the wells 10, be applied (Fig. 3).
    It should be noted that, although not apparent from Fig. 3, this flat module 4 may have the plurality of wells 10, as described for Fig. 2 have been described. But it is also possible that this flat module 4 has only two planar surface elements according to FIG. 3, wherein between these the
    Scattering backing 17 is arranged as a capillary layer. In this case, the flat module 4 may also have only one heat pipe, but it is wider than conventional heat pipes. Thus, this heat pipe preferably has the width of several individual heatpipes. In particular, this heatpipe has a width which corresponds at least to the total width of the linterinterlag 17 in the flat module 4. For example, the heat pipe may have a width that corresponds to the width of at least one memory module 2.
    The scattering sintered coating 17 may be made of copper or aluminum particles, for example.
    Returning to FIG. 1, between the memory module 2 or the memory modules 2 and the flat module 4 or the flat modules 4 a trough 18 may be arranged, in which the memory module (s) 2 can be accommodated. The flat module (s) 4 are not directly adjacent to the memory module (s) 2 as in this embodiment variant, but lie flat against this socket 18.
    The trough 18 itself preferably consists of a heat-conductive material, in particular a metallic material or a thermally conductive plastic, so that the heat passes from the at least one memory module 2 to the at least one flat module 4.
    According to a further embodiment variant, provision may be made for a compensating mass 19 to be arranged on at least one surface of the flat module 4, as is likewise illustrated with reference to the exemplary embodiment of the accumulator 1 in FIG. This balancing mass 19 can be, for example, a thermally conductive plastic, heat conducting pads, a heat conducting foil, a metal sponge, etc.
    As is known, heat pipes are filled with a liquid, which then takes over the heat transfer from one area of the heat pipe to another area during operation by evaporation and condensation. For the filling of this liquid, the flat module 4 may have a filling opening 20, as shown in FIG. 4 can be seen. After filling the liquid, this filling opening 20 is provided with a closure element 21, e.g. a stopper, closed. According to an embodiment variant of the invention, it is preferably provided that the closure element is welded by means of EMPW technology (Electro Magnetic Pulse Welding) to a wall 22 of the flat module 4 surrounding the filling opening 20.
    The wall 22 of the flat module 4 or of the heat pipe can be formed by a raised part, as can be seen from FIGS. 6 and 7. To this filling opening 20 around a suction cup 23 can be arranged for closing, with which the evacuation of the heat pipes or the heat pipe can be performed. The suction cup 23 abuts a sealing element 24 sealingly against the wall 22. At the height at which the closure element 21 is welded to the wall, a coil 25 (EMPW field transducer) is arranged.
    By welding wall 22 and closure element 21 together, the wall 22 is pulled inwardly and / or the closure element 21 outwardly and welded together, as shown in FIG. 5 can be seen.
    From Fig. 5 it can be further seen that the recesses 10 according to a preferred
    Embodiment of the flat module 4 can be formed only in the second surface element 6, and that the first surface element 5 can be completely flat.
    As shown in be known, the accumulator 1 has a housing 26 in which the at least one
    Memory module 2 (in Fig. 8 only indicated) is angeorndet. Usually, a plurality of memory modules 2 are arranged in the housing 26.
    The housing 2 has a cover element 27 and a bottom element 28. In the simplest case, the housing 26 consists of the cover element 27 and the bottom element 28.
    The cover element 27 may consist of a plastic, as it is commonly used for housing of accumulators.
    In this embodiment of the accumulator 1 is now provided that the flat module 4 is integrated into the bottom element 28, in particular at least forms part of the bottom of the bottom element 28, as is apparent from Figs. 9 and 10 ersichtich.
    In particular, the bottom element 28 may be formed in a trough-shaped according to a variant, as this ebenefalls from Figs. 9 and 10 can be seen. For this purpose, a layer from which the flat module 4 is formed, to the formation of the trough-shaped bottom element 28 with (four) side walls 29 vorsehend extending element 27 from the bottom of the bottom element 28 in the direction of the Deckelele. The side walls 29 may be independent elements which are connected to the bottom of the bottom element 28, for example ver welded, are. Preferably, however, the side walls 29 are formed integrally with the bottom of the bottom element 28. For this, e.g. a correspondingly large flat material for forming the trough-shaped bottom element 28 are deep-drawn. It can thus be easier to ensure the seal.
    This trough-shaped element can be connected to the further layer for forming the flat module 4, in particular welded.
    However, there is also the possibility that both outer layers of the flat module 4 are connected to form the flat module beretis before forming, in particular welded, and this layer composite is subsequently formed into a trough-shaped bottom element 28, for example deep-drawn.
    The bottom element 28 can be made, for example, from a metallic flat material.
    Thus, a housing 26 of a rechargeable battery 1 with integrated heat pipes can be made available.
    In the embodiment of the accumulator 1 shown in FIGS. 8 to 10, the flat module 4 forms at least a part of the bottom of the trough-shaped
    Floor element 28. In particular, it forms the entire bottom of the bottom element 28.
    Furthermore, the flat module can also be integrated in the bottom element 28 of the housing 26 elsewhere or in addition to the described integration variant. For example, at least individual or all side walls 29 may be formed as a flat module 4. Likewise, it can be arranged resting on the floor of the floor element 28, in particular connected to the floor of the floor element 28.
    As can be seen from FIGS. 8 to 10, integration of the flat module 4 into an existing cooling system of a motor vehicle is also possible in this embodiment of the accumulator 1. For this purpose - as already described above - also in this embodiment variant of the accumulator 1, the channel-shaped channel 15 can be designed to receive a coolant line 30 of the cooling system.
    To connect the lid member 27 with the bottom member 28, both may have a peripheral flange over which the two elements are positively and / or materially connected to each other, for example glued, screwed, riveted, welded, etc. are.
    FIGS. 11 and 12 show a further embodiment variant of the flat module 4. As in the case of the embodiment variants described above, the flat module 4 has an upper layer 31 and a lower layer 32. The upper layer 31 forms the cover and the lower layer 32 forms the bottom of the flat module 4. Between the upper and the lower layer 32, 33 a sintered insert 33 is arranged in this embodiment of the flat module 4, the heat-pipe during operation of the flat module Provides function, ie in particular the capillary pump the liquid to the evaporation zone. Via ribs 34 of the sintered insert part, a vapor flow to the condensation zone can be made possible.
    The internal structure of the flat module 4 can also be designed differently, as has already been stated above.
    As can be seen from Fig. 11, the lower layer 32 may be designed as a floor pan in this embodiment of the flat module.
    The upper and lower layers 31, 32 can be connected to each other by means of laser welding, for example.
    In order to enable filling of the flat module 4 after welding, a recess 35 (for example a notch) may be formed in the lower layer 32 in the edge area, in particular in a corner area. Alternatively or additionally, such a depression may also be formed in the upper layer 31. If both the upper and the lower layer 31, 32 have such a recess 35, they are arranged congruently or formed.
    The flat module 4 can be filled via this recess 35 with the corresponding liquid. Thereafter, this recess 35 can be sealed. After filling, a connecting seam 36 is formed around the spine, in particular a laser weld seam, as indicated by dashed lines in FIG. This closes the filling opening.
    To set the operating pressure, a separate such depression 35 can be provided in at least one of the upper and lower layers 31, 32.
    This can be formed, for example, on the corner of the upper and / or lower layer 31, 32 diagonally opposite the first recess 35. The closure of this recess 35 can be carried out as described.
    The embodiments show possible embodiments, it being noted at this point that combinations of the individual embodiments are also possible with each other.
    For the sake of order, it should finally be pointed out that for the better
    Understanding the structure of the accumulator 1 and the flat module 4, these are not necessarily shown to scale.
    REFERENCE SIGNS LIST 1 accumulator 31 layer 2 memory module 32 layer 3 cooling device 33 sintered insert 4 flat module 34 rib 5 surface element 35 recess 6 surface element 36 seam 7 thickness 8 width 9 length 10 recess 11 distance 12 broadside edge 13 distance 14 broadside edge 15 channel 16 coolant line 17 stray sintered coating 18 well 19 Balancing compound 20 filling opening 21 closure element 22 wall 23 suction cup 24 sealing element 25 coil 26 housing 27 cover element 28 bottom element 29 side wall 30 coolant line
    权利要求:
    Claims (14)
    [1]
    claims
    1. accumulator (1) with at least one memory module (2) for electrical cal energy and at least one cooling device (3) for cooling or temperature control for the at least one memory module (2), wherein the cooling device (3) has at least one heat pipe, characterized in that the cooling device (3) has at least one flat module (4) in which a plurality of heat pipes are formed, or in that the cooling device (3) has at least one flat module (4) in which a stray sintered coating (17) is arranged and this flat module ( 4) has only one heat pipe.
    [2]
    Second accumulator (1) according to claim 1, characterized in that the flat module (4) is formed from two welded or soldered sheets together.
    [3]
    3. Accumulator (1) according to claim 1 or 2, characterized in that on an outer side of the flat module (4) is formed a receptacle for a coolant line (16).
    [4]
    4. Accumulator (1) according to one of claims 1 to 3, characterized in that it has a trough (18), and that the at least one flat module (4) flat against the trough (18).
    [5]
    5. Accumulator (1) according to one of claims 1 to 4, characterized in that on at least one surface of the flat module (4) is arranged from a compensatory mass (19).
    [6]
    6. Accumulator (1) according to one of claims 1 to 5, characterized in that the flat module (4) on the inside, on which the heat pipes are formed in the heat pipes or full surface a scattered sintered coating (17) has.
    [7]
    7. Accumulator (1) according to one of claims 1 to 6, characterized in that the flat module (4) has a filling opening (20) which is closed with a closure element (21), wherein the closure element (21) by means of EMPW Technique with the filling opening (20) surrounding wall (22) is welded.
    [8]
    8. Accumulator (1) according to one of claims 1 to 7, characterized in that the at least one memory module (2) in a housing (26) is arranged, wherein the housing (26) has a bottom element (28), and the flat module (4) is integrated in the bottom element (28).
    [9]
    9. Accumulator according to claim 8, characterized gekennzeihnet that the flat module (4) forms a bottom of the bottom element (28) at least partially.
    [10]
    10. Accumulator according to claim 8 or 9, characterized in that the bottom element (28) is formed trough-shaped.
    [11]
    11. Accumulator according to one of claims 1 to 10, characterized in that the flat module (4) in an edge region has at least one recess (35) formed Befüllöfffnung.
    [12]
    12. Cooling device (3) for cooling at least one rechargeable battery (1), comprising a heat pipe, characterized in that the heat pipe is arranged in a flat module (4), wherein in the flat module (4) a plurality of heat pipes are formed.
    [13]
    13. Cooling device (3) according to claim 12, characterized in that the flat module (4) is made of two sheets welded together.
    [14]
    14. Cooling device (3) according to claim 12 or 13, characterized in that on an outer side of the flat module (4) at least one receiving element for a coolant line (16) is arranged.
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    同族专利:
    公开号 | 公开日
    AT520693B1|2020-12-15|
    DE112018005651A5|2020-07-02|
    AT520693A1|2019-06-15|
    AT520692A3|2021-03-15|
    AT520692B1|2021-03-15|
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    US20100263833A1|2009-04-21|2010-10-21|Yeh-Chiang Technology Corp.|Sintered heat pipe|
    WO2017088719A1|2015-11-24|2017-06-01|Byd Company Limited|Power battery pack and electrical vehicle having the same|DE102019006233A1|2019-09-04|2021-03-04|Erwin Quarder Systemtechnik Gmbh|Cooling component|ITBO20090427A1|2009-07-02|2011-01-03|Ferrari Spa|ELECTRIC TRACTION VEHICLE WITH COOLING THROUGH REFRIGERATED CYCLE|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    ATA50973/2017A|AT520693B1|2017-11-23|2017-11-23|accumulator|PCT/AT2018/060274| WO2019100094A2|2017-11-23|2018-11-20|Rechargeable battery|
    DE112018005651.1T| DE112018005651A5|2017-11-23|2018-11-20|accumulator|
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