• 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 present invention relates to a heat exchanger (20) comprising a protection device (1), tubes (22) parallel to one another and in which a first fluid flows, and perpendicular fins (26) connecting two flat tubes (22). successive, a second fluid flowing between said flat tubes (22) through said fins (26), said protection device (1) being perforated so as to allow the circulation of the second fluid through the fins (26), said device protection (1) comprising fixing peaks (7) coming to be inserted forcefully between the fins (26).
    公开号:FR3035955A1
    申请号:FR1554049
    申请日:2015-05-06
    公开日:2016-11-11
    发明作者:Fabien Bireaud；Jose Trindade；Dinh-Luyen Nguyen；Xavier Marchadier
    申请人:Valeo Systemes Thermiques SAS；
    IPC主号:
    专利说明:

    [0001] 1 Heat exchanger with protective device. The invention relates to the field of protective devices for heat exchanger and more particularly for heat exchanger placed on the front face of a motor vehicle. In the automotive field, the heat exchangers placed in the front phase can be victims of projections of debris or stones that can damage or even pierce the flat tubes inside which circulates a coolant. In order to protect these heat exchangers, it is known to place in front of them a protection device that can absorb these shocks. However, the fixing of these protective devices is generally performed by clips that must be set up manually, which is long and tedious and not compatible with mass fast production. Fixing the protective device may also be performed at the periphery of the heat exchanger but this may cause vibration problems in rolling condition because the protective device is not fixed in its central part. Thus, one of the aims of the invention is to at least partially overcome the drawbacks of the prior art and to propose an improved fixing protection device. The present invention therefore relates to a protection device for a heat exchanger, said heat exchanger comprising tubes parallel to each other and in which a first fluid flows and perpendicular fins connecting two successive tubes, a second fluid circulating between said tubes passing through said fins. , said protective device being perforated so as to allow the circulation of the second fluid through the fins, said protection device comprising fixing peaks coming into force between the fins. 3035955 2 The presence of these fixing peaks makes it possible to fix the protection device against the heat exchanger by simply pressing it against the heat exchanger. The fixing peaks thus fit between the fins, deform, and maintain said protective device. According to one aspect of the invention, said tubes are flat tubes. According to one aspect of the invention, the attachment peaks have a width greater than the spacing between two fins. According to another aspect of the invention, the fixing peaks come from material with the protection device. According to another aspect of the invention, the protection device comprises longitudinal bars, parallel to each other and covering the sides of the flat tubes, and spacers connecting said longitudinal bars, the fixing peaks being disposed on said spacers. According to another aspect of the invention, the fixing peaks have a length less than the width of the fins. According to another aspect of the invention, the fixing peaks have a length greater than or equal to the width of the fins. According to another aspect of the invention, the protection device further comprises fastenings by elastic casing, said fasteners by elastic casing being positioned between two flat tubes in a portion at the periphery of the heat exchanger without fins. According to another aspect of the invention, the protective device is made of plastics material. The present invention also relates to a heat exchanger comprising a protection device as described above. According to one aspect of the heat exchanger according to the invention, at least its lower half comprises the protection device.
    [0002] Other features and advantages of the invention will appear more clearly on reading the following description, given by way of illustrative and non-limiting example, and the appended drawings in which: FIG. 1 shows a schematic representation in perspective of FIG. 2 shows a schematic representation in perspective of a protection device when it is placed on a heat exchanger, FIG. 3 shows a schematic representation of a heat exchanger in a rear view at the level of a protective device. the fixing of the protective device, FIG. 4 shows a schematic representation of a heat exchanger with a protective device in front view. In the different figures, the identical elements bear the same reference numbers. Figures 1 and 2 show a protective device 1 for a heat exchanger 20. The heat exchanger 20 comprises tubes 22, which are here flat tubes, parallel to each other, in which a first fluid circulates between collectors 24. Between these flat tubes 22 are disposed fins 26 connecting two successive flat tubes 2235955 4. A second fluid circulates between said flat tubes 22 by passing through said fins 26. The protective device 1 is preferably made of plastic material and it is perforated so as to allow the circulation of the second fluid through the fins 26. The device of FIG. protection 1 also has fixing peaks 7 which force fit between the fins 26 during its implementation as shown in more detail in Figure 2. The presence of these attachment peaks 7 allows to fix the protective device 1 against the heat exchanger 20 by simply pressing it against the exchanger 10 20. The fixing peaks 7 thus fit between the fins 2, deform, and maintain said protective device. The number of attachment peaks 7 and their distribution is adapted for a suitable attachment of the protective device 1 and also to prevent vibration of the latter in rolling condition.
    [0003] As shown in FIGS. 1 and 4, the protective device 1 may comprise: longitudinal bars 3, parallel to one another and intended to cover the sides of the flat tubes 22, and spacers 5 connecting said longitudinal bars 3, The fixing peaks 7 are then placed on the spacers 5 in order to be positioned in front of the fins 26. The protective device 1 may for example cover only the lower half of the heat exchanger 20, which is its portion. more exposed to impacts 25 because closer to the ground. In order to allow a good fixing of the protective device 1, the fixing peaks 7 preferably have a width greater than the spacing between two fins 26 as shown in FIG.
    [0004] The attachment peaks 7 are preferably made of material with the fixing device 1 so as to allow easy manufacture of the latter, for example by molding.
    [0005] The fixing peaks 7 may have a length less than the width of the fins 26 or a length greater than or equal to the width of the fins 26. The determination of the length of the fixing peaks 7 is a function of their number as well as the desired fixation force. The longer the fixing peaks 7, the greater the fixing force will be.
    [0006] The protective device 1 may further comprise elastic fastening fasteners 9 (clips) positioned between two flat tubes 22 in a portion at the periphery of the exchanger 20 without fins 26, as illustrated in FIG. 2. These fastenings by elastic casing 9 further strengthen the attachment of the protection device 1, especially in the peripheral zones of the heat exchanger 20 where the fins 26 are not present and where vibrations can be formed. Thus, it is clear that the protective device 1, because of the presence of the multitude of fixing peaks 7, is securely fixed to the heat exchanger 1 and can be easily installed without complex operations.
    权利要求:
    Claims (9)
    [0001]
    REVENDICATIONS1. Heat exchanger, in particular for a motor vehicle, comprising a protective device (1), tubes (22) parallel to each other and in which a first fluid flows and perpendicular fins (26) connecting two successive tubes (22), a second fluid flowing between said tubes (22) passing through said fins (26), said protection device (1) being perforated so as to allow the circulation of the second fluid through the fins (26), characterized in that said protective device (1) has fixing peaks (7) coming into force between the fins (26).
    [0002]
    2. Exchanger (20) according to the preceding claim, characterized in that the fixing peaks (7) have a width greater than the spacing between two fins (26).
    [0003]
    3. Exchanger (20) according to any one of the preceding claims, characterized in that the fixing peaks (7) are made of material with the protective device (1).
    [0004]
    4. Exchanger (20) according to any one of the preceding claims, characterized in that it comprises longitudinal bars (3), parallel to each other and covering the sides of the tubes (22), and spacers (5) connecting said longitudinal bars (3), the fixing peaks (7) being arranged on said spacers (5).
    [0005]
    5. Exchanger (20) according to any one of the preceding claims, characterized in that the fixing peaks (7) have a length less than the width of the fins (26). 3035955 7
    [0006]
    6. Exchanger (20) according to any one of claims 1 to 4, characterized in that the fixing peaks (7) have a length greater than or equal to the width of the fins (26). 5
    [0007]
    7. exchanger (20) according to any one of the preceding claims, characterized in that it further comprises fastenings by elastic casing (9), said fasteners elastic casing (9) being positioned between two tubes (22). in a portion at the periphery of the fin-free heat exchanger (20) (26). 10
    [0008]
    8. Exchanger (20) according to any one of the preceding claims, characterized in that it is made of plastic.
    [0009]
    9. Exchanger (20) according to any one of the preceding claims, characterized in that at least its lower half comprises the protective device (1).
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    同族专利:
    公开号 | 公开日
    US20180120040A1|2018-05-03|
    WO2016177831A1|2016-11-10|
    EP3292352A1|2018-03-14|
    FR3035955B1|2019-04-19|
    EP3292352B1|2020-01-29|
    PL3292352T3|2020-10-19|
    CN107810379A|2018-03-16|
    US10605547B2|2020-03-31|
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    法律状态:
    2016-05-27| PLFP| Fee payment|Year of fee payment: 2 |
    2016-11-11| PLSC| Search report ready|Effective date: 20161111 |
    2017-05-30| PLFP| Fee payment|Year of fee payment: 3 |
    2018-05-28| PLFP| Fee payment|Year of fee payment: 4 |
    2019-05-31| PLFP| Fee payment|Year of fee payment: 5 |
    2020-05-30| PLFP| Fee payment|Year of fee payment: 6 |
    2021-05-31| PLFP| Fee payment|Year of fee payment: 7 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1554049|2015-05-06|
    FR1554049A|FR3035955B1|2015-05-06|2015-05-06|HEAT EXCHANGER HAVING A PROTECTION DEVICE|FR1554049A| FR3035955B1|2015-05-06|2015-05-06|HEAT EXCHANGER HAVING A PROTECTION DEVICE|
    PCT/EP2016/060088| WO2016177831A1|2015-05-06|2016-05-04|Heat exchanger comprising a protective device|
    CN201680026302.3A| CN107810379A|2015-05-06|2016-05-04|Heat exchanger including protection device|
    EP16720436.1A| EP3292352B1|2015-05-06|2016-05-04|Heat exchanger comprising a protective device|
    PL16720436T| PL3292352T3|2015-05-06|2016-05-04|Heat exchanger comprising a protective device|
    US15/571,899| US10605547B2|2015-05-06|2016-05-04|Heat exchanger comprising a protective device|
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