WO2008041763A1 - Structure d'évacuation de liquide pour conduit d'air - Google Patents

Structure d'évacuation de liquide pour conduit d'air Download PDF

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Publication number
WO2008041763A1
WO2008041763A1 PCT/JP2007/069543 JP2007069543W WO2008041763A1 WO 2008041763 A1 WO2008041763 A1 WO 2008041763A1 JP 2007069543 W JP2007069543 W JP 2007069543W WO 2008041763 A1 WO2008041763 A1 WO 2008041763A1
Authority
WO
WIPO (PCT)
Prior art keywords
duct
air
air duct
resin
drainage structure
Prior art date
Application number
PCT/JP2007/069543
Other languages
English (en)
Japanese (ja)
Inventor
Kazuya Kodama
Original Assignee
Toyota Jidosha Kabushiki Kaisha
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toyota Jidosha Kabushiki Kaisha filed Critical Toyota Jidosha Kabushiki Kaisha
Publication of WO2008041763A1 publication Critical patent/WO2008041763A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
    • B60H1/00557—Details of ducts or cables
    • B60H1/00564—Details of ducts or cables of air ducts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/24—Devices purely for ventilating or where the heating or cooling is irrelevant
    • B60H1/241—Devices purely for ventilating or where the heating or cooling is irrelevant characterised by the location of ventilation devices in the vehicle
    • B60H1/244—Devices purely for ventilating or where the heating or cooling is irrelevant characterised by the location of ventilation devices in the vehicle located in the rear area
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/24—Devices purely for ventilating or where the heating or cooling is irrelevant
    • B60H1/241—Devices purely for ventilating or where the heating or cooling is irrelevant characterised by the location of ventilation devices in the vehicle
    • B60H1/246—Devices purely for ventilating or where the heating or cooling is irrelevant characterised by the location of ventilation devices in the vehicle located in the interior of the vehicle or in or below the floor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/32—Cooling devices
    • B60H1/3233—Cooling devices characterised by condensed liquid drainage means

Definitions

  • the present invention generally relates to an air duct drainage structure, and more specifically, to an air duct drainage structure that takes air in a vehicle compartment as cooling air into a power storage device mounted on a vehicle.
  • Patent Document 1 Japanese Patent Application Laid-Open No. Hei 4 30 047 discloses that the drain valve is easy to mount and does not fall off, and the drain valve is protected from damage due to chipping and the like.
  • a drain valve mounting structure for a vehicle air duct is disclosed (Patent Document 1).
  • the duct body of the air duct is integrally molded into a three-dimensionally bent shape with a resin material.
  • a drain hole is formed in the duct body.
  • a funnel-shaped drain valve is arranged on the outside of the duct body so that the drain hole and the shaft center coincide.
  • a slit that functions as a drainage hole is formed at the tapered tip of the drain valve.
  • Patent Document 2 discloses an air cleaner device for a motorcycle intended to prevent water entry without increasing the number of parts (Patent Document 2).
  • Patent Document 2 when the main frame forming the air introduction chamber and the gusset are welded, a gap as a drain is provided by intentionally not welding a part.
  • Japanese Patent Laid-Open No. 11-1 4 7 2 6 5 discloses a vacant chamber for injecting resin at the time of secondary molding when the two divided bodies are integrally molded by secondary molding after primary molding.
  • a method of manufacturing a hollow resin product is disclosed in which the inner peripheral protruding portion forming the portion is prevented from being deformed to the space portion side under the influence of the resin molding pressure (Patent Document 3).
  • Patent Document 3 a divided body constituting the intake manifold pipe is formed with a hole for discharging a groove in the inflowing air.
  • Japanese Patent Application Laid-Open No. 11-11087 6 5 discloses an air cleaner for an internal combustion engine for the purpose of satisfactorily preventing water from entering the internal combustion engine while suppressing an increase in mounting space and cost increase.
  • Patent Document 4 a water drain hole is formed in the air cleaner case.
  • the drain hole is provided with a one-way valve that opens and closes the hole.
  • -Also in Japanese Patent Laid-Open No. 2 0 5-1 5 5 4 3 9, even if the position of the air intake port of the intake duct is lowered, it flows into the air cleaner when traveling on a flooded or flooded channel.
  • An engine intake system that aims to reduce the amount of water is disclosed (Patent Document 5).
  • a resin main intake duct is provided with a float valve for discharging water that has entered the duct.
  • JP-A-2-2 4 7 4 3 8 describes that the opening operation of the shutter plate is not impaired by water droplets, and the shutter plate closing sound is quieted.
  • An exhaust duct shutter device has been disclosed for the purpose of improving the performance (Patent Document 6).
  • Patent Document 6 a die-cutting hole used as a water draining hole is formed in a shutter frame made of synthetic resin.
  • Patent Document 1 when water enters the air duct, the water is collected from the drain hole into the drain valve. The water collected in the drain valve is discharged outside while pushing the slit open. However, in such a configuration, air flowing in the air duct may leak from the slit. Disclosure of the invention
  • An object of the present invention is to solve the above-described problem and to provide an air duct drainage structure that discharges liquid that has entered the duct to the outside while suppressing air leakage.
  • the drainage structure of the air duct according to the present invention includes a duct body that forms a space through which air flows and a hole is formed, and a fiber assembly that is disposed in the hole. The liquid that has entered the space is discharged outside the space through the fiber assembly.
  • the drainage structure of the air duct configured in this way, by arranging the fiber assembly in the hole formed in the duct body, while suppressing the leakage of air from the hole, The liquid that has entered the space can be discharged from the duct body.
  • a hole is formed in the vertically lower side in the cross section of the obtained duct body.
  • the liquid that has entered the space gathers on the vertical lower side in the cross section of the duct body due to gravity. For this reason, by forming a hole at that position, the liquid can be discharged from the duct body with good efficiency.
  • the duct body when the duct body is cut along a plane perpendicular to the air flow in the space, an air pressure distribution exists in a cross section of the obtained duct body.
  • the hole is formed at a position where the pressure is highest in the cross section. According to the drainage structure of the air duct configured in this way, the liquid that has entered the space is guided to the highest position of the pressure distribution according to the air flow in the space. For this reason, by forming a hole at that position, the liquid can be efficiently discharged from the duct body.
  • an electrical component is installed on the air flow path through the duct body.
  • the duct body is arranged on the upstream side of the air flow from the electrical part.
  • the hole is formed at a position adjacent to the electrical component. According to the air duct drainage structure thus configured, it is possible to more reliably prevent the liquid from reaching the electrical component. As a result, the reliability of the electrical component can be improved.
  • the electrical component is a fan that forms an air flow in the space.
  • the drainage structure with a small air duct configured in this way it is possible to prevent liquid from entering the fan.
  • the duct body includes a liquid reservoir that stores the liquid that has entered the space.
  • the hole is formed in the liquid reservoir. According to the drainage structure of the air duct configured as described above, the liquid can be efficiently discharged from the duct body by forming the hole in the liquid reservoir for storing the liquid.
  • the duct body includes a first divided body and a second divided body which are formed from a resin and are combined with each other.
  • the joining edge of the first divided body and the joining rod of the second divided body are abutted with each other through a fiber assembly at a portion where a hole is formed, and welded at a position excluding the portion.
  • the liquid is discharged from an appropriate position where the first divided body and the second divided body are joined. You can.
  • the duct body includes a resin felt layer, a film layer, and an outer layer that are sequentially laminated from the inside.
  • the resin felt layer is formed from the above fiber assembly.
  • the film layer is formed from a film-like resin.
  • the outer layer is formed from a fiber assembly in which a large number of fibers are gathered. According to the drainage structure of the air dart configured in this way, the drainage structure can be configured by utilizing the innermost resin felt layer among the three layers included in the duct body.
  • FIG. 1 is a perspective view showing a hybrid vehicle to which an air duct drainage structure according to Embodiment 1 of the present invention is applied.
  • FIG. 2 is a perspective view showing the air duct in FIG.
  • FIG. 3 is a view showing a cross-sectional layer of the air duct in FIG.
  • FIG. 4 is an exploded view of the air duct in FIG.
  • FIG. 5 is a cross-sectional view of the air duct along the line V—V in FIG.
  • FIG. 6 is a sectional view of the air duct taken along the line V I -V I in FIG.
  • FIG. 7 is a cross-sectional view of the air duct along the line V I I—V I I in FIG.
  • FIG. 8 is a cross-sectional view showing a first modification of the drainage structure of the air duct in FIG.
  • FIG. 9 is a cross-sectional view showing a second modification of the drainage structure of the air duct in FIG.
  • FIG. 10 is a cross-sectional view showing the drainage structure of the air duct in the third embodiment of the present invention, and corresponds to FIG. 6 in the first embodiment.
  • FIG. 11 is a cross-sectional view showing the drainage structure of the air duct in the third embodiment of the present invention, and corresponds to FIG. 7 in the first embodiment.
  • FIG. 1 is a perspective view showing a hybrid vehicle to which an air duct drainage structure according to Embodiment 1 of the present invention is applied.
  • the hybrid vehicle shown in the figure uses a power source driven by a motor supplied with power from a power storage device (secondary battery) and an internal combustion engine such as a gasoline engine or a diesel engine driven by fuel supply.
  • the figure shows the rear seat in the vehicle compartment as seen from the front of the vehicle.
  • a package tray 14 extending in a substantially horizontal direction is provided between the rear sheet 11 and the rear window 12.
  • the package tray 14 is formed with two air inlets 15 m and 15 n (hereinafter also referred to as air inlets 15 unless otherwise distinguished) 1S spaced apart from each other.
  • the intake port 15 opens in a substantially rectangular shape toward the vehicle interior.
  • the intake port 15 is open vertically upward.
  • an air intake duct is provided on the package tray 14 so as to cover the air inlet 15.
  • the shape of the intake port 15 is not limited to a substantially rectangular shape, and may be, for example, a circle, an ellipse, or a polygon other than a rectangle.
  • the number of intake ports 15 may be one or more than two.
  • a cooler 16 is installed below the package tray 14.
  • Ryakula 1 6 introduces a temperature-controlled air stream toward the passengers on Ryacht 1 1.
  • a battery pack 43 is disposed below the package tray 14.
  • the battery pack 43 accommodates a power storage device as a power source for the hybrid vehicle.
  • the power storage device is not particularly limited as long as it is a chargeable / dischargeable secondary battery.
  • the power storage device may be a nickel metal hydride battery or a lithium ion battery.
  • the intake port 15 m and the cooler 16 are connected to each other, and the intake port 15 ⁇ and the cooler 16 are connected by an intake duct 18 m and an intake duct 18 n, respectively. Air in the vehicle compartment is taken into the cooler 16 through the intake ducts 18 m and 18 n.
  • An air duct 21 is connected to the intake duct 18 ⁇ .
  • the air duct 21 is connected to a sirocco fan 41 as an electrical component.
  • Sirocco fan 4 1 Is an electric fan.
  • the sirocco fan 41 By operating the sirocco fan 41, the air in the vehicle compartment passes through the intake duct 18n and the air duct 21 in order, and is taken into the battery pack 43 as cooling air.
  • the air duct 21 On the air path taken into the battery pack 43, the air duct 21 is arranged upstream of the sirocco fan 41.
  • the air taken into the cooler 16 is branched and introduced into the battery pack 43.
  • the present invention is not limited to this.
  • the air duct 21 is directly connected to the inlet 15 It is good also as a structure connected to.
  • FIG. 2 is a perspective view showing the air duct in FIG. Referring to FIG. 2, air duct 21 forms a space 28 through which air flows. Air duct 21 includes one end 24 through which air flows and the other end 25 through which air flows out. In the present embodiment, one end 24 is connected to the intake duct 18 n and the other end 25 is connected to the sirocco fan 41. The space 28 changes the traveling direction by approximately 90 ° between the one end 24 and the other end 25. The space 28 includes a corner portion that changes the air flow direction.
  • FIG. 3 is a view showing a cross-sectional layer of the air duct in FIG.
  • air duct 21 is made of resin.
  • the air duct 21 includes a resin felt layer 3 2, a film layer 3 3, and an outer layer 3 4 as a plurality of stacked layers.
  • the resin felt layer 32 is arranged on the innermost side to form a space 28.
  • the outer layers 3 4 are arranged on the outermost side.
  • the film layer 3 3 is disposed between the resin felt layer 3 2 and the outer layer 3 4.
  • the resin felt layer 32 is formed of a fiber assembly in which a large number of fibers are gathered.
  • the resin felt layer 3 2 contains a fibrous resin.
  • the resin felt layer 32 is a non-woven fabric formed by compressing a fibrous resin.
  • the resin felt layer 3 2 may be a nonwoven fabric produced by a manufacturing method other than this.
  • the resin felt layer 32 includes, for example, fibrous polypropylene (PP).
  • the resin felt layer 32 may contain fibrous polyethylene terephthalate (PET).
  • PET polyethylene terephthalate
  • the resin felt layer 3 2 may be formed of multiple types of resin materials. Les.
  • the resin felt layer 32 may contain a material other than a resin such as lint in addition to a fibrous resin. In this case, the resin felt layer 32 preferably contains a fibrous resin in an appropriate ratio.
  • a woven fabric layer formed by weaving fibers may be provided.
  • the outer layer 3 4 is formed from a fiber assembly in which a large number of fibers are gathered.
  • the outer layer 3 4 has the same structure as the resin felt layer 3 2.
  • the resin felt layer 3 2 and the outer layer 3 4 may be formed from the same resin material, or may be formed from different resin materials.
  • the thickness of the outer layer 34 is smaller than the thickness of the resin felt layer 32.
  • the film layer 33 is formed from a film-like resin.
  • the film layer 33 is formed of, for example, polyethylene (P E) force.
  • P E polyethylene
  • FIG. 4 is an exploded view of the air duct in FIG.
  • the air duct 21 is formed by combining a plurality of divided bodies.
  • the air duct 21 includes a duct part 2 3 p as a first divided body and a duct part 2 3 q as a second divided body.
  • Duct components 2 3 p and 2 3 q include one end 2 4 and the other end 25.
  • the duct parts 2 3 p and 2 3 q have a shape in which the air duct 21 is divided into two on a plane along the air flow direction in the space 28.
  • Duct component 2 3 p includes a joining edge 26 6 p.
  • the duct part 2 3 q includes the joining edge 2 6 q.
  • the joint edge 26 p and the joint edge 26 q have shapes in which the periphery of the duct part 23 p and the duct part 23 q is folded, respectively.
  • the joint edge 26 p and the joint edge 26 q extend in a strip shape along the periphery of the duct part 23 p and the duct part 23 q, respectively.
  • the duct part 2 3 p and the duct part 2 3 q are combined so that the joining edge 2 6 P and the joining edge 2 6 q abut each other.
  • FIG. 5 is a cross-sectional view of the air duct along the line V—V in FIG.
  • Fig. 6 is a cross-sectional view of the air duct along line VI-VI in Fig. 5.
  • the resin felt layer 3 2 to be formed and the resin felt layer 3 2 forming the duct part 2 3 q are in contact with each other.
  • the joining edge 26 p and the joining edge 26 q are welded by ultrasonic welding or heat welding. More specifically, the resin felt layer 3 2 that forms the duct part 2 3 p and the duct part 2 3 q are formed at the position where the joint edge 26 p and the joint edge 26 q meet. A weld layer 3 2 g integrated with the resin felt layer 3 2 is formed. In the welded layer 3 2 g, the fibrous resin forming the resin felt layer 32 is melted and the fibers are bonded. Inside the welded layer 3 2 g, the air layer existing in the state of the resin felt layer 32 disappears.
  • the welding layer including the film layer 33 and the outer layer 34 may be formed.
  • FIG. 7 is a cross-sectional view of the air duct along the line V I I -V I I in FIG.
  • the air duct 21 has a hole 35 formed therein.
  • a resin felt layer 32 which is a fiber assembly, is disposed.
  • a hole 35 is formed at a position surrounded by the film layer 3 3 of the duct part 2 3 p and the film layer 3 3 of the duct part 2 3 q.
  • the hole 35 is formed by a film layer 33 which is a waterproof member.
  • a resin felt layer 32 held as a fiber assembly is disposed in the hole 35.
  • liquid may enter the air duct 21 if juice is spilled in the vehicle compartment.
  • the liquid that has entered the air duct 21 is made of resin felt layer 3 that is a fiber assembly. 2 can be discharged outside the duct.
  • the resin felt layer 3 2 disposed in the hole 35 is compressed by the film layer 3 3 and the outer layer 3 4. For this reason, a configuration is obtained in which the air flowing through the air duct 21 hardly leaks through the resin felt layer 32 disposed in the hole 35.
  • air duct 21 includes a liquid reservoir 3 1.
  • the liquid reservoir 31 has a shape that is recessed from the inner wall of the air duct 21 that forms the space 28.
  • the liquid that has entered the air duct 21 is stored in the liquid reservoir 31.
  • the hole 35 is formed in the liquid reservoir 31. Further, when the air duct 21 is cut along a plane perpendicular to the air flow in the space 28, the hole 35 is formed vertically below the obtained cross section.
  • the liquid that has entered the air duct 21 gathers vertically under gravity. With this configuration, the liquid that has entered the air duct 21 can be efficiently discharged through the resin felt layer 32 disposed in the hole 35.
  • the hole 35 is formed at a position adjacent to the sirocco fan 41 disposed on the downstream side of the air flow from the air duct 21.
  • the holes 35 are not limited to one place, and may be formed at a plurality of places.
  • the configuration in which the resin felt layer 3 2 is disposed in the hole 35 can be easily obtained simply by providing a portion where the joining edge 26 p and the joining edge 26 q are not welded. .
  • the drainage structure of the air duct according to the first embodiment of the present invention includes an air duct 21 as a duct body in which a space 28 through which air flows and a hole 35 is formed, and a fiber assembly disposed in the hole 35. Resin felt layer 3 2 as a body. The liquid that has entered the space 28 is discharged outside the space 28 through the resin felt layer 32. According to the air duct drainage structure according to the first embodiment of the present invention configured as described above, the liquid that has entered the air duct 21 is ducted while suppressing air leakage from the air duct 21. Can be discharged outside. Accordingly, it is possible to maintain high cooling efficiency of the power storage device accommodated in the battery pack 43 and to prevent the power storage device from being immersed in the liquid.
  • the present invention is applied to the air duct 21 installed on the intake passage.
  • the present invention is not limited to this, and the present invention is applied to an air duct installed on the exhaust passage. You may do it.
  • a sponge member may be disposed in the hole 35 instead of the fiber assembly.
  • the sponge member is a semi-continuous foam sponge in which holes are connected to each other.
  • the drainage structure of the air duct forms a space 28 through which air flows and a duct body in which holes 35 are formed.
  • the air duct 21 and the sponge member disposed in the hole 35 are provided. The liquid that has entered the space 28 is discharged to the outside of the space 28 through the sponge member.
  • FIG. 8 is a cross-sectional view showing a first modification of the air duct drainage structure in FIG.
  • the drainage structure of the air duct further includes a liquid collecting member 51.
  • the liquid collecting member 51 is formed of a member having water absorption, for example, a sponge or a highly absorbent tree.
  • the liquid collecting member 51 is provided on the inner wall 21c of the air duct 21.
  • the liquid collecting member 51 is disposed upstream of the air flow in the space 28 with respect to the hole 35 in which the resin felt layer 32 is disposed.
  • FIG. 9 is a cross-sectional view showing a second modification of the drainage structure of the air duct in FIG.
  • FIG. 9 when the air duct 21 is cut along a plane orthogonal to the air flow in the space 28, there is an air pressure distribution in the obtained cross section.
  • this modification there is an air pressure distribution at the cross-sectional position of the corner portion of the air duct 21 where the air flow direction changes.
  • the hole 35 is formed at a position where the air pressure is highest in the cross section, that is, on the outer peripheral side of the corner portion.
  • the liquid that has entered the air duct 21 is guided to the outer peripheral side of the corner portion of the air duct 21 by the inertial force of the air flow in the space 28. For this reason, by forming the hole 35 at that position, the liquid that has entered the air duct 21 can be efficiently discharged to the outside of the duct.
  • FIG. 10 and FIG. 11 are cross-sectional views showing the drainage structure of the air duct in Embodiment 3 of the present invention.
  • FIG. 10 is a diagram corresponding to FIG. 6 in the first embodiment.
  • FIG. 11 is a diagram corresponding to FIG. 7 in the first embodiment.
  • the air duct drainage structure in the present embodiment is basically the same as the air duct drainage structure in the first embodiment. Hereinafter, the description of overlapping structures will not be repeated.
  • air duct 21 is formed from a single layer.
  • the air duct 21 includes a resin layer 6 6.
  • the resin layer 6 6 is formed of resin.
  • the resin layer 66 is made of, for example, polypropylene (P P).
  • P P polypropylene
  • the resin layer 6 6 is waterproof.
  • hole 6 7 is formed in air duct 21.
  • a resin felt layer 68 which is a fiber assembly, is disposed. That is, in the cross section shown in FIG. 11, the resin layer 6 6 that forms the duct part 2 3 p, the resin layer 6 6 that forms the duct part 2 3 q, and the force resin felt layer 6 8 are interposed. ing.
  • the resin layer 6 6 forming the duct part 2 3 p and the resin layer 6 6 forming the duct part 2 3 q are not welded.
  • the hole 67 is formed at a position surrounded by the resin layer 6 6 that forms the duct component 23 p and the resin layer 66 that forms the duct component 23 q.
  • the hole 67 is formed by the resin layer 66.
  • the liquid that has entered the air duct 21 can be discharged to the outside of the duct through the resin felt layer 68 that is a fiber assembly.
  • the air duct drainage structure in the third embodiment of the present invention configured as described above, an effect similar to the effect described in the first embodiment can be obtained.
  • the resin layer 6 6 that forms the duct component 2 3 p and the resin layer 6 6 that forms the duct component 2 3 q A resin felt layer 68 is partially disposed between the two.
  • the drainage structure of the air duct in the first embodiment since the drainage mechanism is provided by the resin felt layer 3 2 constituting the air duct 21, the air duct 21 is changed to the air duct 21. There is no need to add a ginfeld layer. For this reason, the drainage structure of the air duct according to the present invention can be configured without increasing the cost of parts.
  • the drainage structure of another air duct may be configured by appropriately combining the embodiment described above and the modifications in the embodiment.
  • the present invention is mainly used for an air duct that takes air in a vehicle compartment as cooling air into a power storage device mounted on the vehicle.

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Secondary Cells (AREA)

Abstract

La présente invention concerne une structure d'évacuation de liquide pour conduit d'air comprenant : un conduit d'air (21) qui forme un espace (28) dans lequel l'air s'écoule, et qui possède un orifice (35); une couche de feutre de résine (32) située sur l'orifice (35). Le liquide entrant dans l'espace (28) est évacué vers l'extérieur de l'espace (28) par la couche de feutre de résine (32). Ainsi, la structure d'évacuation de liquide évacue le liquide entrant dans le conduit vers l'extérieur tout en limitant les fuites d'air.
PCT/JP2007/069543 2006-10-03 2007-10-01 Structure d'évacuation de liquide pour conduit d'air WO2008041763A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006-271809 2006-10-03
JP2006271809A JP2008087665A (ja) 2006-10-03 2006-10-03 エアダクトの排液構造

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3107859A1 (fr) * 2020-03-03 2021-09-10 Alstom Transport Technologies Conduit d’air, dispositif de ventilation et véhicule associé

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5473698B2 (ja) * 2010-03-18 2014-04-16 カルソニックカンセイ株式会社 発熱体冷却装置
JP5603187B2 (ja) * 2010-09-24 2014-10-08 パナソニック株式会社 車両用静電霧化システム
JP5430592B2 (ja) * 2011-02-28 2014-03-05 本田技研工業株式会社 車両用バッテリーの冷却構造
JP6314772B2 (ja) * 2014-09-26 2018-04-25 トヨタ自動車株式会社 吸気ダクト
JP7306342B2 (ja) * 2020-07-10 2023-07-11 トヨタ自動車株式会社 冷却ユニット

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6090016U (ja) * 1983-11-28 1985-06-20 日本プラスト株式会社 車輌用外気導入ダクト
JPS6097364U (ja) * 1983-12-08 1985-07-03 日産自動車株式会社 エアダクト構造
JPH0735750U (ja) * 1993-11-26 1995-07-04 日野自動車工業株式会社 車両用吸気装置
JP2006224798A (ja) * 2005-02-17 2006-08-31 Toyota Motor Corp 蓄電装置の冷却構造

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6090016U (ja) * 1983-11-28 1985-06-20 日本プラスト株式会社 車輌用外気導入ダクト
JPS6097364U (ja) * 1983-12-08 1985-07-03 日産自動車株式会社 エアダクト構造
JPH0735750U (ja) * 1993-11-26 1995-07-04 日野自動車工業株式会社 車両用吸気装置
JP2006224798A (ja) * 2005-02-17 2006-08-31 Toyota Motor Corp 蓄電装置の冷却構造

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3107859A1 (fr) * 2020-03-03 2021-09-10 Alstom Transport Technologies Conduit d’air, dispositif de ventilation et véhicule associé

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