JP4066762B2 - Intercooler duct structure for cab-over type vehicles - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention belongs to a technical field of an intercooler duct structure of a cab over type vehicle provided with an engine with a supercharger.
[0002]
[Prior art]
In a cab-over type vehicle in which a driver's seat is provided above the engine, a radiator is disposed in front of the engine, and wheel houses are provided on the left and right (see, for example, Patent Document 1).
[0003]
In the case of an engine with a supercharger, since there is no space for disposing an intercooler duct in front of the engine room, a water-cooled intercooler is provided behind the engine as shown in FIG.
[Patent Document 1]
JP-A-7-69241 [0004]
[Problems to be solved by the invention]
However, the above prior art has a problem in that the degree of freedom in the layout of the luggage compartment is limited because the engine room is projected to the luggage compartment side behind the engine by the intercooler.
[0005]
Further, when a water-cooled intercooler is employed, a radiator for cooling the intercooler is required. Usually, since this radiator is provided on the vehicle body panel behind the driver's seat, there is a problem in that a door such as a sliding door cannot be provided behind the door for the driver's seat.
[0006]
The present invention has been made paying attention to the above-mentioned problems, and an object of the present invention is to provide an intercooler duct structure capable of reducing the size of the engine room and increasing the degree of freedom of layout of the luggage compartment. Is to provide.
[0007]
[Means for Solving the Problems]
In order to achieve the above object, in the intercooler duct structure for a cab-over type vehicle according to claim 1 of the present invention, an engine with a supercharger is disposed between left and right side members extending in the vehicle front-rear direction. In a cab over type vehicle in which a radiator is disposed on the vehicle front side , a floor panel is disposed above the side member, and the floor panel and the side member are connected via a wheel house inner panel .
The intercooler for cooling the air compressed by the supercharger disposed toward the vehicle front side of the radiator,
The intercooler intercooler duct that connects the engine is composed of a cooling anterolateral duct section and the cooling front forward duct portion and the cooling laterally rearward duct portion and the supercharger connecting duct and the engine connecting duct, the intercooler The cooling rear side duct portion connected to at least the intercooler of the duct and connected to the engine connection duct extending from the outside of the vehicle through the opening of the wheel house inner into the engine room, the wheel house inner and the The vehicle extends rearward along the vehicle outer side of the side member, and is disposed on the vehicle outer side of the wheel house inner and the side member.
[0008]
In the invention described in claim 2, in the inter cooler duct structure of cab-over type vehicle according to claim 1, characterized in that a pre-Symbol intercooler to the front bumper back surface.
[0009]
【The invention's effect】
In the intercooler duct structure of the cab-over type vehicle according to the present invention, since the intercooler is not provided at the rear of the engine, the engine room can be made compact, and the degree of freedom in layout of the luggage compartment can be improved. it can.
[0010]
In addition, since the intercooler duct faces the outside of the vehicle and is not affected by the hot air in the engine room, the cooling performance of compressed air is improved compared to the conventional structure in which the duct is arranged in the engine room E. Further, the duct receiving the traveling wind is cooled and the compressed air is cooled by this duct, so that the cooling performance can be further enhanced.
Furthermore, since the intercooler duct is not provided in the engine room E, the maintainability in the engine room E can be improved.
[0011]
In the invention according to claim 2, since the intercooler is provided on the back surface of the front bumper, the intercooler can be disposed in the opening of the bumper so that the traveling wind directly hits it. The air guide of the cooler can be omitted.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a plan view showing the structure of a cab-over type vehicle to which the intercooler duct structure of the present invention is applied, and FIG. 2 is a sectional view taken along line S2-S2 of FIG.
[0013]
In FIG. 1, 1 and 2 are a pair of left and right side members, 3 is a cross member, 4 is a bumper, 5 is an engine, 6 is a supercharger, 7 is an intercooler duct, 8 is an air-cooled intercooler, 9 is a radiator, Reference numeral 10 denotes an air conditioner capacitor.
[0014]
In the engine room E space formed by the pair of left and right side members 1, 2 and the cross member 3, the engine 5, the radiator 9, and the air conditioner capacitor 10 are arranged in order toward the front of the vehicle. A bumper 4 is disposed in front of the side members 1 and 2.
[0015]
As shown in FIG. 2, a floor panel 13 that separates the vehicle interior from the vehicle interior is provided above both side members 1 and 2 via wheel house inners 11 and 12 that form tire housings. 2 is connected. Further, brackets 14 and 15 are provided below the side members 1 and 2, and the radiator 9 is fixed to the side members 1 and 2 via the brackets 14 and 15.
[0016]
As shown in FIG. 1 and FIG. 2, the intercooler duct 7 includes a pre-cooling side duct portion 7a, a pre-cooling front duct portion 7b, a cooling rear side duct portion 7c, and a supercharger connection 7d. It is comprised from the duct and the engine connection duct of 7e.
[0017]
The pre-cooling side duct portion 7a is connected to the supercharger 6 and extends from the engine room E to the outside of the vehicle through an opening provided in the wheel house inner 12, and is disposed on the vehicle outside of the wheel house inner 12 and the left side member 1. Along the vehicle.
[0018]
The pre-cooling front duct portion 7b is disposed on the vehicle front side of the cross member 3 in front of the vehicle and along the back surface side of the bumper 4 below the side members 1 and 2, and is connected to the intercooler 8. ing.
[0019]
The cooling rear side duct portion 7c is connected to the intercooler 8 and extends to the rear of the vehicle along the vehicle outer sides of the wheel house inner 11 and the right side member 2, and is opened from the outside of the vehicle by an opening provided in the wheel house inner 11. 5 side is extended.
[0020]
The supercharger connection duct 7d extends from the engine room E through the opening of the wheel house inner 12 to the outside of the vehicle. The engine connection duct 7e extends from the outside of the vehicle through the opening of the wheel house inner 12 into the engine room E.
[0021]
As shown in FIG. 1, the intercooler 8 is located outside the front end of the right side member 2 and on the front side of the cross member 3, and is disposed on the back surface of the opening 4 a formed on the right side of the bumper 4. .
[0022]
The compressed air supplied from the side before cooling and the front duct portions 7a and 7b is cooled by the intercooler 8 disposed on the back surface of the opening 4a formed on the right side of the bumper 4, and the cooled air is The air is supplied from the cooler 8 to the engine 5 through the cooled side duct portion 7c.
[0023]
As described above, in the intercooler duct structure of the present embodiment, the pre-cooling side duct portion 7a and the post-cooling side duct portion 7c of the intercooler duct 7 are arranged outside the side members 1 and 2 on the vehicle. By arranging and arranging the pre-cooling front duct portion 7b on the vehicle front side of the cross member 3, the air-cooled intercooler 8 can be provided in front of the vehicle. Therefore, since the intercooler 8 is not provided behind the engine 5, the engine room E can be made compact, and the degree of freedom in layout of the luggage compartment can be improved.
[0024]
Further, since the intercooler duct 7 faces the outside of the vehicle and is not affected by the hot air in the engine room E, the compressed air is cooled compared to the conventional structure in which the duct is disposed in the engine room E. The performance can be enhanced, and the intercooler duct 7 that has received the traveling wind is cooled and the compressed air is cooled by the intercooler duct 7, so that the cooling performance can be further enhanced. Furthermore, since the intercooler duct 7 is not provided in the engine room E, the maintainability in the engine room E can be improved.
[0025]
Further, since the intercooler 8 is provided on the back surface of the bumper 4, the intercooler 8 can be disposed in the opening 4a of the bumper 4 so that the traveling wind directly hits the air cooler. Can be omitted.
[0026]
Since the supercharger 6 is connected by the duct part 7a and the duct part 7b, since the path | route of compressed air becomes long, compressed air can be cooled by both the duct parts 7a and 7b.
[0027]
Although the embodiment of the present invention has been described above, the specific configuration of the present invention is not limited to this embodiment, and even if there is a design change or the like without departing from the scope of the invention, Included in the invention.
[0028]
For example, in the present embodiment, the pre-cooling side duct portion 7a, the pre-cooling front duct portion 7b, and the post-cooling side duct portion 7c of the intercooler duct 7 are arranged on the vehicle outer side of both side members 1, 2 and the cross member 3. Although the example which showed was shown, the intercooler duct 7 should just be arrange | positioned in the vehicle outer side of the side members 1 and 2 at least one part at least.
[Brief description of the drawings]
FIG. 1 is a plan view showing a structure of a cab-over type vehicle to which an intercooler duct structure of the present invention is applied.
FIG. 2 is a cross-sectional view taken along line S2-S2 of FIG.
FIG. 3 is a diagram showing a conventional example.
[Explanation of symbols]
E Engine rooms 1 and 2 Side member 3 Cross member 4 Bumper 5 Engine 6 Supercharger 7 Intercooler duct 8 Intercooler 9 Radiator 10 Air conditioner condenser

Claims (2)

An engine with a supercharger is arranged between the left and right side members extending in the vehicle longitudinal direction, a radiator is arranged on the vehicle front side of the engine , a floor panel is arranged above the side member, and the floor panel and the side members are arranged. In a cab-over type vehicle in which members are connected via a wheel house inner panel ,
The intercooler for cooling the air compressed by the supercharger disposed toward the vehicle front side of the radiator,
The intercooler intercooler duct that connects the engine is composed of a cooling anterolateral duct section and the cooling front forward duct portion and the cooling laterally rearward duct portion and the supercharger connecting duct and the engine connecting duct, the intercooler The cooling rear side duct portion connected to at least the intercooler of the duct and connected to the engine connection duct extending from the outside of the vehicle through the opening of the wheel house inner into the engine room, the wheel house inner and the An intercooler duct structure for a cabover type vehicle , which extends rearward along the vehicle outer side of the side member and is disposed on the vehicle outer side of the wheel house inner and the side member. Intercooler duct structure of cab-over type vehicle in the inter cooler duct structure of cab-over type vehicle according, characterized in that a pre-Symbol intercooler front bumper backside to claim 1.

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