JP3345062B2 - Car air intake system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air intake device for an automobile, which is installed on the hood of an automobile and takes in air flowing along the upper surface of the hood.

[0002]

2. Description of the Related Art Conventionally, as the height of an automobile is reduced, an opening is formed in the upper surface of a bonnet when the amount of air to be taken in from the front grill is insufficient due to a decrease in the area of the front grill. An air scoop is provided to cover the opening and open forward, and air flowing along the upper surface of the hood is taken into the engine room. For example, Jpn.
In the hood disclosed in Japanese Patent Application Laid-Open Publication No. H11-163, a ventilation port (opening) is provided in a hood covering an upper part of an engine room provided with a forced fan for cooling a radiator, by positioning the ventilation port (opening) at a negative pressure portion above the forced fan. An air scoop is provided which opens forward to cover the air scoop, and a baffle plate is erected between the air scoop opening and the front end of the ventilation port.

[0003]

However, in the above-described conventional air intake device, the flow of air flowing from the opening at the tip of the air scoop is not smooth, and the amount of air flowing into the engine room from the opening of the hood is insufficient. There was a problem of doing. For example, to reduce the vehicle height, the space on the engine is small, and the intercooler is installed between the engine and the battery. In a vertically installed vehicle, the opening for introducing the intercooler cooling air opened in the bonnet is a rectangle whose long side extends in the longitudinal direction of the vehicle, and an air scoop must be installed to uniformly introduce cooling air from the entire opening. There is a problem that it is necessary to increase the height of the air scoop opening to increase the height of the air scoop to secure the amount of air guided to the rear portion of the opening. In addition, since the air flow path is formed by the seal rubber that is suspended from the periphery of the opening for introducing the cooling air and is connected to the intercooler, a predetermined distance is required between the intercooler and the inner surface of the hood. There was a problem that it was difficult to secure an installation space for the intercooler.

An object of the present invention is to secure a sufficient amount of air introduced into an engine room from a cooling air intake opening without increasing the height of an air scoop provided in a bonnet, and to provide a space for installing an intercooler. An object of the present invention is to provide a vehicle air intake device that can be secured.

[0005]

In order to achieve the above object, an air intake device for a vehicle according to the present invention is provided with an intercooler vertically installed in an engine room with its longitudinal direction substantially coinciding with the longitudinal direction of the vehicle body. In the equipped vehicle, a cooling air intake opening is opened at a position corresponding to the intercooler of the bonnet, an air scoop having a front end opened covering the cooling air intake opening is provided, and the cooling air intake opening is provided. Airs
With longer than the vehicle width direction dimension of the cooling air intake needful opening the air scoop opening width is offset in the vehicle width direction with respect to the coup, the cooling air intake necessity opening the air scoop back surface
A guide member extending from the air scoop opening end opposite to the offset with respect to the air scoop to the rear end of the cooling air intake opening, and a guide member extending from the air scoop opening end to the rear end of the cooling air intake opening is provided. As a result, the cooling air taken in from the air scoop opening flows uniformly throughout the cooling air intake opening, and sufficient cooling air is also introduced into the rear end of the vertically installed intercooler. It is not necessary to increase the height, and a sufficient air scoop opening area can be secured by increasing the size of the air scoop opening in the vehicle width direction. In addition, as a guide member,
It is preferable to use a rib formed so as to protrude from the back surface of the air scoop. In addition, the peripheral edge of the cooling air intake opening is formed higher than the upper surface of the bonnet , and a seal seal is provided on the rear surface of the peripheral portion.
The Rukoto one end of the bar is joined, it can be secured intercooler installation space in the engine compartment.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The first embodiment will be described with reference to the drawings.
1, an air scoop 3 is provided to cover a cooling air intake provided in a hood 2 of the automobile 1, and the air scoop 3 has an air scoop opening 30 that opens toward the front of the automobile 1. As shown in FIGS. 3 and 4, in the engine room, an intercooler 6 is disposed vertically between the engine 4 and the battery 5 so that the longitudinal direction thereof substantially coincides with the longitudinal direction of the vehicle body. Scoop 3
Is the cooling air intake opening 1 corresponding to the intercooler 6
1, the center line of the intercooler 6 and the center line of the cooling air intake opening 11 are displaced from the center line of the air scoop 3 in the vehicle width direction. ing. One end of a seal rubber 12 having substantially the same cross section as that of the cooling air intake opening 11 is joined to the back surface of the peripheral edge 11A of the cooling air intake opening 11.
Is joined to the frame 61 of the intercooler 6. 7 is an air cleaner, 8 is a clutch cylinder,
9 is a suspension tower and 10 is a front bumper.

In FIG. 5, the bonnet 2 is formed by joining a bonnet outer 21 and a bonnet inner 22, and a peripheral portion 11 A of the cooling air intake opening 11 is connected to the bonnet outer 21 from the cooling air intake opening 11. A large opening is provided, and the bonnet inner 22 is aligned with the opening edge.
Is extended substantially in parallel with the upper surface of the bonnet outer 21 from the upper end of the inclined surface 221 bent upward.
1 is formed with a height h from the upper surface. A garnish 13 is provided so as to cover the peripheral edge 11A at the front end of the cooling air intake opening 11, and forms a smooth air flow path. Air scoop 3 is air scoop garnish 31
1 is attached to the upper surface of the bonnet 2 and, as shown in FIG. 1, a rib 32 is provided on the rear surface, which extends obliquely from the end of the air scoop opening 30 to the rear end of the cooling air intake opening 11 and projects downward. It is provided as a guide member for incoming air.

With the above configuration, the cooling air taken in from the air scoop opening 30 flows uniformly throughout the cooling air intake opening 11, and sufficient cooling air is introduced into the rear end of the vertically disposed intercooler 6. Therefore, it is not necessary to make the air scoop 3 high, and the air scoop opening 30 is not required.
By increasing the dimension in the vehicle width direction, a sufficient opening area of the air scoop opening, that is, an air intake area can be secured. In addition, by forming the peripheral edge 11A at the front end of the cooling air intake opening 11 at a height h from the upper surface of the bonnet outer 21, an installation space for the intercooler 6 can be secured. Connection becomes easy.

The second embodiment will be described with reference to FIG.
In the hood 40 formed by joining the hood outer 41 and the hood inner 42, the intercooler 6
A cooling air intake opening 11 corresponding to the installation position of the cooling air intake opening 11 is formed, and a step 43 protruding into the engine room is formed on the hood inner 42 immediately before the cooling air intake opening 11,
An air scoop garnish 44 having a step is provided on the step 43 so as to match the step 43, the upper surface of the front end of the air scoop garnish 44 is connected to the bonnet outer 41, and the rear end is used for cooling air intake. It is superposed on the front edge 111A of the opening 11.

[0010] The air scoop 50 is a bonnet outer 4.
1, an air scoop outer 51 continuous with the bonnet outer 41, and a bonnet inner 42 extending from the rear end of the cooling air intake opening 11 and extending to the back surface of the air scoop outer 51, An air guide 52 for guiding the air taken in from the air scoop opening 501 to the cooling air intake opening 11 is formed, and a flange is provided on the open side extending in the vehicle width direction on the back surface of the air scoop outer 51 near the air scoop opening 501. The air scoop reinforcement 53 having a substantially concave cross section provided is provided,
Around a front flange 531 end of the air scoop reinforcement 53, a tip 54 of the air scoop outer 51 is provided.
Has been hemmed down.

With this configuration, the air intake area of the air scoop opening 501 can be increased without increasing the height of the air scoop 50, and the air scoop 5
Since the tip of the zero can be formed thin, the air flow resistance can be significantly reduced.

[0012]

Since the present invention is configured as described above, it has the following effects. The width of the air scoop opening is made longer than the dimension of the cooling air intake opening in the vehicle width direction, and a guide member such as a rib extending from the end of the air scoop opening to the rear end of the cooling air intake opening is provided on the back surface of the air scoop. The cooling air taken in from the air scoop opening flows uniformly throughout the cooling air intake opening, and sufficient cooling air is introduced into the rear end of the vertically installed intercooler. It is not necessary to increase the height, and a sufficient air scoop opening area can be secured by increasing the size of the air scoop opening in the vehicle width direction. Further, by forming the peripheral edge of the cooling air intake opening higher than the upper surface of the hood, an intercooler installation space can be secured in the engine room.

[Brief description of the drawings]

FIG. 1 is a plan view showing a first embodiment of the present invention.

FIG. 2 is a perspective view of an automobile to which the present invention is applied.

FIG. 3 is a schematic layout diagram in an engine room of an automobile to which the present invention is applied.

FIG. 4 is a sectional view taken along line IV-IV in FIG.

FIG. 5 shows a first embodiment of the present invention.
It is a V line sectional view.

FIG. 6 shows a second embodiment of the present invention.
It is a V line sectional view.

[Explanation of symbols]

2 Bonnet, 3 air scoop, 6 intercooler 11 Cooling air intake opening, 32 rib (guide member)

──────────────────────────────────────────────────続 き Continuation of the front page (56) References Japanese Utility Model Sho 63-58030 (JP, U) Japanese Utility Model Sho 63-200661 (JP, U) Japanese Utility Model Sho 59-13635 (JP, U) Japanese Utility Model Sho 61- 43584 (JP, U) Fully open 60-60723 (JP, U) Fully open 64-9816 (JP, U) Fully open 63-168118 (JP, U) Fully open 60-66586 (JP, U) Hikaru 2-128685 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) B60K 11/00-11/08

Claims (3)

(57) [Claims] An automobile having a vertically disposed intercooler in an engine room is provided with a bonnet interface.
A cooling air intake opening at a position corresponding to the cooler, an air scoop having a front end opened to cover the cooling air intake opening, and the cooling air intake opening is provided in the air scoop.
The width of the air scoop opening is longer than the dimension of the cooling air intake opening in the vehicle width direction so as to be offset in the vehicle width direction, and the cooling air intake opening is
An air intake device for an automobile, comprising: a guide member extending from an air scoop opening end opposite to an offset with respect to an ascoop to a rear end of a cooling air intake opening. 2. The air intake device for an automobile according to claim 1, wherein the guide member is a rib formed on a back surface of the air scoop. 3. A peripheral portion of the cooling air intake opening is formed higher than an upper surface of the bonnet , and a seal is provided on a back surface of the peripheral portion.
2. An end of the rubber is joined to the end of the rubber.
Or an air intake device for an automobile according to claim 2.