Trunk arrangement for a front car with fans for high airflow through heat exchangers and motor vehicle
The trunk arrangement with integrated fans and heat exchangers addresses the space competition issue by enhancing cooling performance and accessibility in motor vehicle trunks, optimizing space and thermal management.
Patent Information
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2026-03-26
AI Technical Summary
Existing motor vehicle trunk arrangements in the front section compromise access and cooling performance due to the competition for space between the frunk and radiator assembly, making it difficult for shorter individuals to access and requiring a trade-off between frunk size and cooling capacity.
A trunk arrangement with at least two fans that generate a strong airflow to cool media through integrated heat exchangers, allowing for improved cooling performance without obstructing the container space and ensuring easy access, utilizing the container's shape to direct airflow.
Enhances cooling capacity, reduces charging time for electrical energy storage devices, and ensures easy accessibility for users by integrating fans and heat exchangers within the trunk, optimizing space utilization and thermal management.
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Abstract
Description
[0001] The invention relates to a trunk arrangement for the front of a motor vehicle, comprising a container for receiving transported goods and at least one heat exchanger through which a medium to be cooled can flow and which can be supplied with an airflow for cooling the medium. The container provides at least a portion of an air guide for the airflow. The invention further relates to a motor vehicle with such a trunk arrangement.
[0002] A trunk located in the front of a motor vehicle is also called a front trunk or, more simply, a frunk. In addition to the frunk, the front of the vehicle may also contain another component, a radiator assembly with at least one heat exchanger and a fan. The frunk and the radiator assembly are two independent components installed in the vehicle. If the radiator assembly is located in front of the frunk (viewed from the vehicle's direction of travel), access to the frunk is more difficult.
[0003] When the frunk is positioned behind the radiator assembly, as viewed from the front end of the front section, access to the frunk can be difficult, especially for shorter individuals. If such a person touches the front of the front section while attempting to load or unload cargo, this can be particularly problematic if the front is dirty or wet.
[0004] Furthermore, the size or shape of the frunk can be compromised if, for example, the cooling capacity of the radiator assembly needs to be increased to provide higher cooling performance from the heat exchanger. For this purpose, the radiator assembly can be made correspondingly larger. Conversely, if the frunk is required to be a specific size, this can negatively impact the cooling capacity of the radiator assembly. This is because the radiator, located at the front of the vehicle, and the frunk compete for the same installation space in the front section.
[0005] DE 10 2017 005 904 A1 describes a motor vehicle with a trunk system in which the trunk comprises a trunk wall that defines the trunk area. An air guide device is arranged on the trunk wall, by means of which an airflow can be directed past the trunk. The air guide device is arranged longitudinally behind a heat exchanger of the motor vehicle.
[0006] German patent DE 10 2019 126 724 A1 describes an electrified vehicle with an air-conditioned front trunk. Heat exchangers through which a fluid from a battery cooling circuit flows are arranged in the front trunk.
[0007] DE 10 2023 125 241 A1 describes a heat management system for a vehicle in which cold air or warm air can be introduced via pipes into a container located in the front of the vehicle.
[0008] The object of the present invention is to create a trunk arrangement of the type mentioned at the outset, by means of which improved cooling performance can be achieved, and to specify a motor vehicle with such a trunk arrangement.
[0009] This problem is solved by a trunk arrangement with the features of claim 1 and by a motor vehicle with the features of claim 10. Advantageous embodiments with expedient further developments of the invention are specified in the dependent claims and in the following description.
[0010] The trunk assembly according to the invention for the front section of a motor vehicle comprises a container for receiving transported goods and at least one heat exchanger. The at least one heat exchanger is permeable to a medium to be cooled. To cool the medium, the at least one heat exchanger can be supplied with an airflow, wherein at least a portion of an air guide is provided for the airflow by the container. The trunk assembly comprises at least two fans, which are spaced apart from one another along a flow direction of the airflow through the air guide.
[0011] By providing at least two fans, a particularly strong airflow can be generated, which can then be applied to at least one heat exchanger. Consequently, the medium can be cooled more effectively. Accordingly, improved cooling performance can be achieved by using this trunk-like arrangement.
[0012] This advantageously avoids compromising the size of the container in which transported goods or items stored by vehicle users can be accommodated. Because the container is integrated into the airflow system, it does not obstruct the airflow to the heat exchanger. Instead, the shape or contour of the container can be advantageously utilized to direct the airflow, provided by at least two fans or amplified by operating the fans, through the airflow system. This allows the container to be designed with a suitably large volume for transported goods. Large dimensions of the container, which, due to its placement in the front of the vehicle, can also be referred to as the frunk, are advantageous for good accessibility.This applies in particular if accessibility for a vehicle user of short stature needs to be ensured.
[0013] Due to the high cooling capacity achievable with at least two fans, the trunk configuration can be equipped with a container improved in terms of shape and / or size. Furthermore, the user of the vehicle equipped with this trunk configuration benefits from increased comfort because the container is more easily accessible. The airflow provided by the at least two fans also improves thermal management, enhancing the performance and efficiency of cooling the medium being cooled.
[0014] The medium can be a coolant used to cool the vehicle's electrical energy storage device during charging. Due to the high cooling capacity, the charging time can then be reduced. This is advantageous.
[0015] Because the container provides at least part of the air ducting system for the airflow, assembly times can also be reduced during the manufacturing of the trunk assembly or the vehicle containing the trunk assembly. This is because completely independent subassemblies do not need to be mounted.
[0016] Providing at least part of the air distribution system for airflow through the container offers further advantages. The airflow provided or at least supported by the at least two fans flows along at least one section or part of the container. This facilitates airflow through the at least one heat exchanger and thus cools the medium being cooled.
[0017] The medium flowing through at least one heat exchanger can additionally or alternatively be designed to absorb heat from the airflow. In this case, the heat exchanger can be used to cool the airflow. This also allows for the advantageous cooling of transported goods housed in the receiving chamber.
[0018] Particularly when the trunk assembly has multiple heat exchangers, different media can flow through the respective heat exchangers. For example, such media can include at least one coolant circulating in at least one coolant circuit and one refrigerant circulating in a refrigerant circuit. However, it is also possible for the same medium to flow through multiple heat exchangers in the trunk assembly.
[0019] Preferably, the trunk arrangement comprises at least two heat exchangers, wherein the at least two heat exchangers each have overlapping areas in which at least partial sections of the heat exchangers are in contact with different walls of the container. Thus, the different walls of the container can be used to arrange the heat exchangers adjacent to these walls. This eliminates the need for a single heat exchanger to provide the cooling capacity for the medium. Instead, the required cooling capacity can be distributed among the heat exchangers.
[0020] Accordingly, providing improved cooling performance does not require a large installation space for just one heat exchanger. Instead, at least two heat exchangers can be positioned around the container in a way that is advantageous given the available space. This avoids the problem of difficult or inconvenient access to the trunk compartment resulting from the need for a single, very large heat exchanger. Instead, it is much easier to ensure that the trunk compartment remains easily accessible to the vehicle's user.
[0021] In each overlapping area, at least part of the wall is obscured by the respective heat exchanger when viewed from the perspective of an observer looking towards the container wall. Nevertheless, each heat exchanger can have at least one further section where there is no such overlap or covering with either of the container walls. This facilitates efficient use of the available space for the at least two heat exchangers.
[0022] Preferably, the container has a front wall and two side walls adjoining the front wall. At least a portion of one of the heat exchangers overlaps the front wall, and at least a portion of at least one other heat exchanger overlaps one of the side walls. This is advantageous because, when the trunk assembly is mounted in the front of the vehicle, for example, the airflow can easily reach the front wall of the container via the vehicle's radiator grille. The airflow can then continue along the side walls towards the rear of the vehicle.
[0023] This allows airflow to reach the heat exchangers, which overlap or are in contact with the front wall and at least one of the side walls of the container, when the vehicle is moving forward. Furthermore, operating at least one of the at least two fans can cause or at least assist airflow through the heat exchangers. Both of these factors contribute to the improved cooling performance achievable with this trunk configuration.
[0024] In particular, at least a portion of at least one heat exchanger can be in contact with the front wall, and at least portions of two further heat exchangers can be in contact with the respective side walls of the container. This allows for particularly efficient use of the available space around the container. The heat exchangers are preferably positioned so that they are well permeated by the airflow generated by the vehicle's movement and / or by the airflow produced by at least two fans.
[0025] Preferably, at least one of the heat exchangers is fixed to one of the container walls. This is advantageous for a very compact trunk design. Furthermore, this method ensures a particularly reliable and secure fixing of the heat exchanger to the wall.
[0026] Preferably, at least one of the heat exchangers is non-destructively detachable from one of the container walls. In particular, the heat exchanger can be positively locked to the container wall, for example by means of a snap-fit or clip connection. Additionally or alternatively, the heat exchanger can be screwed to the wall.
[0027] The non-destructive mounting allows the heat exchanger to be replaced if necessary. This is particularly advantageous for easily repairing the trunk assembly. Neither the wall nor the heat exchanger itself is damaged or destroyed when the heat exchanger is detached from the wall, provided at least one of the aforementioned non-destructive mounting techniques is used.
[0028] By arranging at least one heat exchanger on at least one of the container walls, targeted conditioning of the container or frunk can advantageously be achieved through a vehicle's thermal management system. In this case, the at least one heat exchanger is integrated into the thermal management system. For example, undesired heating of the container can be prevented by the medium flowing through the heat exchanger absorbing heat. Likewise, undesired cooling of the container can be prevented by the medium flowing through the heat exchanger releasing heat. Both can be advantageously used to set or maintain a desired temperature inside the container.
[0029] Additionally or alternatively, at least one heat exchanger can form at least a portion of the container wall. This achieves a very high degree of functional integration, as the wall that would be required for the container anyway, or at least a portion thereof, can be provided by the at least one heat exchanger.
[0030] It can be provided that, at least in the section of the wall formed by the heat exchanger, the airflow through the heat exchanger leads to the airflow entering a receiving chamber of the container. This is advantageous, for example, if the goods being transported in the container are to be temperature-controlled, i.e., heated or cooled.
[0031] Additionally or alternatively, at least one heat exchanger can be formed integrally with a wall of the container. For example, the wall can be connected to pipes or similar conduits of the heat exchanger for this purpose, through which the medium exposed to the airflow flows.
[0032] This is particularly easy to achieve if the heat exchanger and the wall are made of metal or a metallic alloy. Additionally or alternatively, the wall and the heat exchanger formed integrally with it can be made of a plastic, preferably one resistant to high temperatures. Alternatively, the heat exchanger formed integrally with the wall can be designed as a hybrid component, in which, for example, the pipes or conduits of the heat exchanger through which the medium flows are made of metal and the wall of plastic, or vice versa. This also contributes to a high degree of functional integration in the use of the container and the at least one heat exchanger.
[0033] Preferably, a gap is formed between the at least one heat exchanger and a wall of the container, with at least one of the fans being arranged in this gap. This ensures that the airflow provided or supported by the fan can be used very directly or immediately to actuate the heat exchanger.
[0034] A particularly space-saving solution is to install at least one fan in the gap if the fan is a flat design. In this case, the fan can have a height (measured along its thickness) of less than 10 cm, for example, less than 5 cm, and especially less than 2 cm. Particularly when the fan height is only about 1 cm, it can be positioned in the gap in a very space-saving manner.
[0035] Preferably, at least one of the fans has a stationary fan section and a rotor element movable relative to the stationary fan section. The stationary fan section is fixed to the at least one heat exchanger. This allows for a particularly direct and low-loss application of the airflow generated by operating the fan to the heat exchanger. This is advantageous.
[0036] Preferably, at least one air guide element of the air distribution system is arranged on at least one wall of the container. This allows for very simple control of the airflow direction. This is particularly advantageous for ensuring efficient airflow to the heat exchanger. In particular, the at least one air guide element can be formed integrally with the wall of the container. Such a configuration is technically very easy to implement.
[0037] It has proven further advantageous if at least one boundary wall of a channel in the air ducting system is formed integrally with a wall of the container. In this case, the at least one boundary wall protrudes from the container wall. This eliminates the need to manufacture and attach the channel boundary wall separately to the container wall. Instead, the channel boundary wall can be easily integrated into the container, for example, during injection molding. Alternatively, the entire at least one channel can be formed integrally with the container wall, particularly in injection molding. This advantageously reduces the effort required to manufacture the air ducting system.
[0038] Preferably, the air guidance device has at least one actuating element which is designed to close a section of the air guidance device at least partially in a closed position and to release the section at least partially in an open position.
[0039] Such an actuator allows for very simple and precise control of the airflow during operation. For example, at least one actuator can be provided by at least one flap and / or at least one louver or similar device. This allows for very precise adjustment of the amount of air supplied to the at least one heat exchanger, particularly when supported by at least one of the at least two fans, or when the operation of at least one of the at least two fans directly causes this effect.
[0040] The motor vehicle according to the invention features a trunk arrangement according to the invention. The container is located in the front section of the motor vehicle. This allows ambient air, particularly in the form of airflow, to be used to supply the at least one heat exchanger with the airflow. However, even when the motor vehicle is stationary, the airflow can be easily provided by operating at least one of the fans. Furthermore, operating at least one of the fans can increase or intensify the airflow generated by the airflow. This is advantageous.
[0041] Preferably, access to the container's receiving compartment can be achieved by opening the vehicle's hood. This facilitates easy access to the receiving compartment. The container can be closed or lockable by means of a lid element separate from the hood. This reliably prevents the ingress of dirt and / or water into the receiving compartment.
[0042] If the container has a lid, it can be designed so that when the front cover is opened, the lid is simultaneously moved into an open position. For this purpose, the lid can be linked to the front cover's movement. This makes accessing the container's interior particularly easy and convenient. Alternatively, it can be designed so that after the front cover is opened, the lid is initially in a closed position and must be moved into the open position to access the container's interior.
[0043] In particular, the inner surface of the front hood and / or the lid element can be used to influence the airflow to which the at least one heat exchanger can be subjected. For example, at least one air guide element can be attached to the inner surface of the front hood facing the container and / or to the lid element for this purpose.
[0044] The advantages and preferred embodiments described for the trunk arrangement according to the invention also apply to the motor vehicle according to the invention and vice versa.
[0045] The invention therefore also includes further developments of the motor vehicle according to the invention, which have features as already described in connection with the further developments of the trunk arrangement according to the invention. For this reason, the corresponding further developments of the motor vehicle according to the invention are not described again here.
[0046] The motor vehicle according to the invention is preferably designed as a motor vehicle, in particular as a passenger car or truck, or as a passenger bus.
[0047] The invention also includes combinations of the features of the described embodiments. The invention therefore also includes realizations that each exhibit a combination of the features of several of the described embodiments, provided that the embodiments have not been described as mutually exclusive.
[0048] The following are exemplary embodiments of the invention described. This is illustrated by: Fig. 1 in a schematic perspective view a trunk arrangement intended for placement in the front of a motor vehicle, wherein a contour of a container of the trunk arrangement is used to direct an airflow conveyed by at least two fans of the trunk arrangement around the container; Fig. 2 in a schematic side view the trunk arrangement in which additional fans increase the airflow through at least one heat exchanger of the trunk arrangement; Fig. 3 in a perspective view the container of the trunk arrangement, wherein the respective heat exchangers overlap at least partially with a front wall, with side walls and with a rear wall of the container; Fig. 4 schematically the trunk arrangement in a side view, with several heat exchangers of different sizes attached to one of the side walls; Fig. 5 schematically the arrangement of the heat exchangers on the different walls of the container in a perspective view; Fig. 6 schematically a one-piece formation of part of a channel and of an air guide element with one of the walls of the container; Fig. 7 in a top view of the container variants of the integration of heat exchangers into the container of the trunk arrangement; Fig. 8 schematically a lower part of the container and a lid element of the container designed to close a receiving space of the container; and Fig. 9 schematically the motor vehicle which has the trunk arrangement in the front car.
[0049] The exemplary embodiments described below are preferred embodiments of the invention. In these exemplary embodiments, the described components each represent individual features of the invention, which can be considered independently of one another and each further develops the invention independently. Therefore, the disclosure is intended to include combinations of features of the embodiments other than those shown. Furthermore, the described embodiments can also be supplemented by further features of the invention already described.
[0050] In the figures, identical reference symbols denote functionally equivalent elements.
[0051] In Fig. Figure 1 shows a schematic perspective view of a trunk arrangement 10 for a vehicle in Fig. Figure 9 shows a schematic representation of a motor vehicle 12. The trunk arrangement 10 is designed for placement in a front section 14 of the motor vehicle 12 (compare Figure 9). Fig. 9) determined. A trunk located in the front section 14 of the motor vehicle 12 is also called a front trunk or frunk. In Fig. Figure 1 schematically shows the frunk in the form of a container 16. The walls of the container 16 define a receiving space 18 in which the transported goods (not shown) can be placed.
[0052] In Fig. 9 only shows container 16 and not the other components of the Fig. 1 shown trunk arrangement 10. These components of the trunk arrangement 10 comprise according to Fig. 1 at least one heat exchanger 20 through which a medium to be cooled can flow. The flow of air or an air stream 22 through the heat exchanger 20 for the purpose of cooling the medium is in Fig. 1 illustrated by a plurality of arrows. Due to the placement of the container 16 in the front carriage 14 (compare Fig. 9) of the motor vehicle 12, when the motor vehicle 12 is moving, the airflow can ensure that the container 16 flows around and that the heat exchanger 20 is exposed to the airflow 22.
[0053] To actively provide the airflow 22, the trunk arrangement 10 comprises at least two fans 24, 26, which are located in Fig. Figure 1 is highly schematic. A first fan 24 is arranged adjacent to a front wall 28 of the container 16. A second fan 26, on the other hand, is arranged in the area of a side wall 30 of the container 16.
[0054] According to the in Fig. In the illustration shown in Figure 1, the first fan 24 can be designed as a pressure fan, which pushes the airflow conveyed by the first fan 24 through the heat exchanger 20 arranged downstream of the first fan 24.
[0055] As from Fig. As can be seen in Figure 2, the first fan 24 can additionally or alternatively be arranged downstream of the heat exchanger 20 with respect to the air drawn in by the first fan 24. The air drawn in by the first fan 24 is in Fig. 2 illustrated by an arrow 32. Likewise, from Fig. 2 shows how the additional fan 26 can support the conveyance of air along the side wall 30 of the container 16.
[0056] According to Fig. 1 and Fig. 2. The at least two fans 24, 26 are arranged at a distance from each other along the direction of flow of the airflow 22 illustrated by the arrows. Furthermore, according to Fig. 1 and Fig. 2 through the container 16 at least a partial area of an air guidance device for the airflow 22 is provided.
[0057] In Fig. Figure 2 is a schematic and partial representation of the front hood 34 of the motor vehicle 12 (compare Fig. 9) shown which can be opened to gain access to container 16. According to Fig. 2 A contour of the front hood 34 can be used to assist the flow of air 22 around the container 16.
[0058] Furthermore, the at least two fans 24, 26 ensure an increase in the airflow when flowing around the container 16 and when the airflow 22 passes through the at least one heat exchanger 20 of the trunk arrangement 10.
[0059] In Fig. Figure 3 schematically shows an example of a third fan 36, which can be arranged at a transition from the front wall 28 to another side wall 44 of the container 16. The third fan 36 also contributes to increasing the airflow through the at least one heat exchanger 20. According to Figure 3, a fan is located on a rear wall 38 of the container 16. Fig. 3 a further heat exchanger 52 of the trunk assembly 10 is arranged. According to Fig. 2 Alternatively or additionally, the third fan 36 can be arranged in the area of the rear wall 38.
[0060] In a manner not shown in detail here, 40 (compare) can be made on an inner side. Fig. 2) Air guide elements arranged on the front hood 34, for example in the form of guide vanes, support the flow of air around the container 16 with the driving air and / or with the airflow supplied by the at least one fan 24, 26, 36. Additionally or alternatively, a (in Fig. 1. The lid element 42 of the container 16 (not shown) must have at least one such air guide element. This is shown in the highly schematic sectional view of the container 16 in Fig. In addition to the lid element 42, 8 are included. Fig. 1 right side wall 30 of container 16, the opposite further side wall 44 and a bottom 46 of container 16 are shown.
[0061] For active control of the amount of air with which the at least one heat exchanger 20 can be supplied, the trunk arrangement 10 can be used additionally or alternatively to at least one of the Fig. The two fans shown, 24, 26, 36, each have at least one actuating element 48 (compare Fig. 4) By means of the at least one actuating element 48, at least a section of the air guidance device for the airflow 22 can be closed or opened, at least partially.
[0062] The at least one actuating element 48 can be moved into a corresponding closed position and an open position by an actuator. Additionally or alternatively, it is possible to design the at least one actuating element 48 as a passively opening component, which is pressed open by the airflow 22.
[0063] According to Fig. 3. The trunk arrangement 10 can include a plurality of heat exchangers 20, 50, 52. For example, (as also in Fig. (2 shown) the first heat exchanger 20 is arranged adjacent to the front wall 28 of the container 16. Furthermore, a second heat exchanger 50 is arranged on the first side wall 30. In addition, another heat exchanger can be arranged on the opposite second side wall 44, which is Fig. 3 is not visible due to the perspective. It is recognizable in Fig. 3 In contrast, the third heat exchanger 52 is located adjacent to the rear wall 38 of the container 16.
[0064] According to Fig. 3. Therefore, at least one of the walls in the form of the front wall 28, the side walls 30, 44, and the rear wall 38 of the container can be used to mount at least one of the heat exchangers 20, 50, 52 adjacent to these walls. This allows for a particularly high heat transfer capacity, especially cooling capacity, through the trunk arrangement 10. Furthermore, the heat exchangers 20, 50, 52 can be accommodated in a very space-saving manner in the area of the walls of the container 16.
[0065] Out of Fig. As shown in Figure 4, a plurality of heat exchangers 50, 54, 56 can be arranged on at least one of the walls of the container 16. For example, in Fig. Figure 4 shows three heat exchangers 50, 54, 56, which are arranged one above the other on the side wall 30 in the vertical direction of the container 16. The heat exchangers 50, 54, 56 can have different sizes, as shown schematically in Figure 4. Fig. Figure 4 is shown. In this way, the specific shape of container 16 can be taken into account particularly well.
[0066] For example, the container 16 can have a shape that tapers slightly towards the bottom 46. Accordingly, the heat exchangers 54, 56 located closer to the bottom 46, which are shorter along the longitudinal direction of the side wall 30 than the heat exchanger 50 located vertically above it, can have different lengths. The airflow 22 flows along this longitudinal direction, which in Fig. 4 is illustrated by the arrows when the trunk arrangement 10 is installed in the motor vehicle 12.
[0067] The longitudinal direction of the side wall 30, along which the airflow 22 flows from the front wall 28 to the rear wall 38, or the longitudinal direction of the container 16, can, in the installation position of the trunk arrangement 10 in the motor vehicle 12, correspond in particular to the direction of the vehicle's longitudinal axis x, which in a Fig. The coordinate system shown in section 9 is used. The vehicle's vertical axis z and its transverse axis y are also shown in this coordinate system.
[0068] Also in Fig. Figure 5 schematically shows the heat exchangers 20, 50, 52, 54, 56, 58 arranged on the different walls of the container 16. Heat exchanger 58, which is located on the second side wall 44, is shown partially. The at least two fans 24, 26, 36 are shown in contrast in Fig. 5 is not shown in detail for the sake of clarity. However, it follows from Fig. Figure 5 shows that the heat exchangers 20, 50, 52, 54, 56, 58, arranged on the different walls, can be designed to extend around the walls that define the receiving space 18 in the horizontal plane of the container 16. This allows the available space around the container 16 to be used very efficiently by arranging the heat exchangers 20, 50, 52, 54, 56, 58.
[0069] In Fig. Figure 6 shows a lower part of the container 16, which includes the bottom 46 and the two side walls 30, 44, which (in Fig. 6 (not shown) front wall 28 and the (also in Fig. 6 (not shown) rear wall 38 comprises. An example is one of the side walls 30, 44, namely the one in Fig. 6 right side wall 30, in Fig. Figure 6 shows that an air guide element 60 can be arranged on the side wall 30. In particular, the air guide element 60 can be formed integrally with the side wall 30.
[0070] Furthermore, in Fig. Figure 6 schematically shows the boundary walls 62 of a channel of the air guidance device through which the airflow 22 can flow. Here, the boundary walls 62 of the channel, which project from the wall in the form of the side wall 30, are formed integrally with the wall in the form of the side wall 30. This can be achieved, for example, by directly injection-molding at least the boundary walls 62 of the channel onto at least one wall of the container 16 during the manufacture of the container 16 using an injection molding process.
[0071] Unlike in Fig. As shown in Figure 6, the channel can be closed circumferentially or in the circumferential direction. In this variant as well, at least one channel can be formed integrally with one of the walls of the container 16.
[0072] According to Fig. 6. Accordingly, channels and / or air guide elements can be arranged on at least one wall of the container 16 to improve airflow around the container 16.
[0073] According to Fig. 7 At least one of the heat exchangers 20, 50, 58 can be integrally formed with the container 16. As in Fig. 7 shown on the left, for this purpose the one located in Fig. 7 left side wall 44 arranged heat exchangers 58 be formed in one piece with this wall.
[0074] For example, pipes or conduits through which the medium flows can be 64 of the one on the left side in Fig. The heat exchanger 58 shown in Figure 7 is firmly connected to the side wall 44. The side wall 44 of the container 16 is thus simultaneously one of the surfaces of the heat exchanger 58. An assembly comprising the side wall 44 and the heat exchanger 58 can be designed as a hybrid component comprising at least one metallic material and at least one plastic. Alternatively, for example, the components shown in Figure 7 can be made of a single, solid material. Fig. The 7 schematically shown lines or pipes 64 of the heat exchanger 58, as well as the side wall 44, may be made of a plastic or a metallic material.
[0075] For the sake of clarity, thermal insulation, particularly on an inner side of the container 16, is shown in Fig. 7 not shown in detail.
[0076] At the in Fig. The 7 shown designs are in the area of the in Fig. Figure 7 shows two fans 36, 66 on the left side wall 44. These two fans 36, 66 provide the airflow 22 for passing through the heat exchanger 58. As an example, one of the two fans 36, 66 is shown to comprise a stationary fan part 68 and a rotor element 70 that is movable relative to the stationary fan part 68. The stationary fan part 68 can be fixed to the heat exchanger 58, in particular by a positive fit and / or by a material bond.
[0077] At the in Fig. In the embodiment shown on the left, the fans 36, 66 are arranged further outwards with respect to the side wall 44 of the container 16 than the heat exchanger 58, which is arranged directly on the side wall 44.
[0078] In Fig. Figure 7 also shows another variant of the trunk arrangement 10, in which there is a space between the heat exchangers 20, 50 and the walls, for example in the form of the front wall 28 and the space in Fig. A space 72 is formed on the right side wall 30. At least one of the two fans 24, 26 can be arranged in this space 72.
[0079] For example, the first fan 24 can be arranged in the space 72 formed between the front wall 28 and the heat exchanger 20. And the second fan 26 can be arranged in the space 72 formed between the side wall 30 and the heat exchanger 50. Similarly, this arrangement can be made in a corresponding space between the side wall 44 and the heat exchanger 58 for the [unclear - possibly referring to a specific component or component]. Fig. The fan 36, 66 and the associated heat exchanger 58 shown on the left are implemented.
[0080] Even with such a double-walled structure of the container 16, the airflow through the heat exchangers 20, 50, 58 can be advantageously increased by means of the fans 24, 26, 36, 66.
[0081] According to the in Fig. As shown in Figure 7, the outer surface of the container 16 can be provided virtually by the heat exchangers 20, 50, 58 arranged in the area of the walls of the container 16. Such full integration of the heat exchangers 20, 50, 58 into the frunk allows for particularly shorter assembly times when the heat exchangers 20, 50, 58 are installed together with the container 16 in the front section 14 of the motor vehicle 12. This is because no separate assemblies need to be mounted. Rather, the frunk, or container 16, comprises the heat exchangers 20, 50, 58 and preferably the fans 24, 26, 36, 66.
[0082] Overall, the examples show how the frunk can be integrated into the overall system of a thermal management system for the motor vehicle 12.
Citation Information
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