CN105765208B - The inlet duct of internal combustion engine with booster - Google Patents
The inlet duct of internal combustion engine with booster Download PDFInfo
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- CN105765208B CN105765208B CN201580002689.4A CN201580002689A CN105765208B CN 105765208 B CN105765208 B CN 105765208B CN 201580002689 A CN201580002689 A CN 201580002689A CN 105765208 B CN105765208 B CN 105765208B
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- internal combustion
- combustion engine
- engine
- diameter portion
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K13/00—Arrangement in connection with combustion air intake or gas exhaust of propulsion units
- B60K13/02—Arrangement in connection with combustion air intake or gas exhaust of propulsion units concerning intake
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
- F02B29/04—Cooling of air intake supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10091—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
- F02M35/10124—Ducts with special cross-sections, e.g. non-circular cross-section
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/1015—Air intakes; Induction systems characterised by the engine type
- F02M35/10157—Supercharged engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/16—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines characterised by use in vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Supercharger (AREA)
Abstract
Intercooler outlet piping (16) includes：The internal diameter size of intercooler outlet piping (16) big large-diameter portion (16A) and internal diameter size are less than the small diameter portion (16B) of large-diameter portion (16A), large-diameter portion (16A) be formed in intercooler outlet piping (16) slave length direction central portion (C) to the downstream (16b) being connect with air inlet ingress pipe.In addition, air inlet ingress pipe extends to the lower section of vehicle (1) from surge tank, and the lower part of alternating current generator (21) is extended in the short transverse of vehicle (1), intercooler outlet piping (16) is connect by the lower section of mounting device (7) and the lower section of alternating current generator (21) with air inlet ingress pipe from air outlet slit pipe portion (19a).
Description
Technical field
The present invention relates to the inlet ducts of the internal combustion engine with booster, are pressurized more particularly to the band for having intercooler
The inlet duct of the internal combustion engine of device, above-mentioned intercooler cooling import the air of internal combustion engine from booster.
Background technology
The air to compressor boost and temperature rise by booster is equipped with generally in the internal combustion engine of the vehicles such as automobile
Carry out cooling intercooler.The intercooler makes the temperature of air by the heat exchange with the extraneous gas by core
It reduces, thus, it is possible to improve the charging efficiency of internal combustion engine.
As the existing this internal combustion engine for having intercooler, it is known that recorded in patent document 1 and patent document 2
Device.In device recorded in patent document 1 and patent document 2, set being equipped in front of the indoor internal combustion engine of engine
Be equipped with intercooler, and inlet manifold be set at the rear of internal combustion engine and on the top of internal combustion engine, intercooler and into
Gas manifold is linked by the identical intercooler outlet piping of alongst internal diameter size.
Intercooler outlet piping recorded in patent document 1 is as the top tank body from intercooler is along internal combustion
Vehicle-width direction the other end of the side opposite with the vehicle-width direction one end of transmission side of machine is toward internal combustion engine
Upside and extend to the oblique upper of vehicle, later from the rear upper of internal combustion engine in a manner of the top for crossing internal combustion engine and air inlet
Manifold links.
In addition, air cleaner inlet is piped on the front-rear direction of vehicle in an overlapping manner relative to intercooler
Outlet piping configures the front-rear direction front side in vehicle.
Intercooler outlet piping (the 3rd air inlet pipe) recorded in patent document 2 is alongst according to identical
Internal diameter size is formed, intercooler outlet piping with the lower part tank body from intercooler along internal combustion engine and speed changer
Vehicle-width direction the other end of the opposite side of vehicle-width direction one end of side is toward the upside of internal combustion engine and to vehicle
Oblique upper extend.
Existing technical literature
Patent document
Patent document 1：Special open 2011-21571 bulletins
Patent document 2：Special open 2009-227132 bulletins
Invention content
Problems to be solved by the invention
But in the device recorded in patent document 1,2, the friendship for generating heat is set in vehicle-width direction the other end
In the case of flowing the subsidiary engines such as generator, intercooler outlet piping is located at the top of subsidiary engine.
Therefore, when generated from subsidiary engine and rise top of the heat retention in subsidiary engine when, the exposure of intercooler outlet piping
Hanker at this, the air by intercooler outlet piping is possible to be heated.
In addition, in device recorded in patent document 1, air cleaner outlet piping on the front-rear direction of vehicle with
The front-rear direction front side in vehicle is arranged relative to intercooler outlet piping for the mode of overlapping.Therefore, from vehicle
The traveling wind in front is blocked by air cleaner outlet piping, is not easy to encounter intercooler outlet piping.Thus, in patent text
It offers in the configuration structure recorded in 1, can not efficiently cool down the air for flowing through intercooler outlet piping.
It is above as a result, in configuration structure recorded in patent document 1, intercooler outlet piping can not be passed through
The further cooling air cooled down by intercooler, can not import internal combustion engine by air after cooling by inlet manifold.Cause
And in the configuration structure recorded in patent document 1, the charging efficiency of internal combustion engine can not be improved, is not easy to improve the defeated of internal combustion engine
Go out performance.
In addition, the intercooler outlet piping recorded in patent document 1,2 is formed by identical internal diameter size, therefore example
Such as in the case where intercooler outlet piping is applied to 2 cylinder engine, charge pulsation cannot achieve optimization, air inlet
Resistance increases.
Specifically, in 2 cylinder engines etc., in the case where piston is according to 360 ° of up and down motions of phase, it is based on air inlet
The opening of the air inlet of door, timeing closing are identical, carry out so-called interval air inlet, and charge pulsation occurs, and generate by charge pulsation
Caused pressure wave.
If the internal diameter size of intercooler outlet piping is identical, the intrinsic vibration of intercooler outlet piping
Frequencies go lower due to intercooler outlet piping and encounters inlet valve and the sympathetic response of back wave that rebounds so that in engine
Usual speed stage (such as 3000~4500rpm) in, the intake resistance of intercooler outlet piping becomes larger.Therefore, it sucks
The air capacity of engine reduces, and the air charging efficiency of internal combustion engine reduces.As a result, the output of engine is likely to decrease.
The present invention is conceived to the above problem and completes, and its purpose is to provide can prevent from flowing through intercooler
The air of mouth piping is heated, and can improve the output performance of internal combustion engine, and can prevent the output performance of internal combustion engine from reducing
The internal combustion engine with booster inlet duct.
The solution to the problem
The 1st mode of the present invention is mounted to the inlet duct of the internal combustion engine with booster, has：Inlet manifold, tool
There is the air inlet ingress pipe of the surge tank at the front-rear direction rear portion for being installed on internal combustion engine and the upstream portion set on surge tank；Cooling during rolling
Device is set to the front of internal combustion engine, and has air outlet slit pipe portion, is connected by intercooler inlet piping and booster
It connects；And intercooler outlet piping, from the air outlet slit pipe portion of intercooler along the vehicle width side of internal combustion engine
Extend to end, links later with air inlet ingress pipe, intercooler outlet piping includes large diameter portion and small diameter portion, above-mentioned major diameter
Portion is the big part of the internal diameter size of intercooler outlet piping, and above-mentioned small diameter portion is above-mentioned intermediate cooler outlet piping
Internal diameter size be less than large-diameter portion part, large-diameter portion be formed in intercooler outlet piping slave length direction central portion to
Between the downstream of air inlet ingress pipe connection.
Can also be that the vehicle-width direction end of internal combustion engine is supported by mounting device as the 2nd mode of the present invention
In the car body of vehicle, and generate at the front-rear direction rear portion of internal combustion engine and when work being installed below surge tank the auxiliary of heat
Machine, air inlet ingress pipe extends to the lower section of vehicle from surge tank, and at least extends to subsidiary engine in the short transverse of vehicle
Lower part is equipped with air outlet slit pipe portion in the short transverse of vehicle in the position more against the top than mounting device, and than installation
The position of device on the lower be equipped with subsidiary engine, intercooler outlet piping from air outlet slit pipe portion by mounting device lower section and
The lower section of subsidiary engine is connect with air inlet ingress pipe, and large-diameter portion is formed in the lower side of mounting device, and is formed in from mounting device
The lower section of subsidiary engine is passed through at the rear portion in the front-back direction of vehicle, extends to the position at least leaving the downward side space of air inlet ingress pipe.
It as the 3rd mode of the present invention, can also be the internal diameter size of large-diameter portion all phase on the length direction of large-diameter portion
Together.
As the 4th mode of the present invention, can also be that in the state of internal combustion engine seen from above, large-diameter portion setting exists
The lower side of subsidiary engine, and be arranged around subsidiary engine.
Can also be that large-diameter portion includes as the 5th mode of the present invention：Straight line portion, it is continuous with small diameter portion, through too low
Position in the upper end of subsidiary engine, and by the lower section of mounting device；Rake, it is continuous with straight line portion, from straight line portion direction
The lower side of subsidiary engine extends；1st bending section, it is continuous with rake, from rake towards the lower section lateral bend of subsidiary engine；And the
2 bending sections, lower section that is continuous with the 1st bending section and passing through subsidiary engine in the vehicle width direction, in the front-rear direction of vehicle
On be bent from internal combustion engine towards rear, extend later towards the lower side of air inlet ingress pipe, the downstream portion in the 2nd bending section formed
Have from the upstream of the 2nd bending section and more downstream extend the smaller tapering of internal diameter size, connection tapering is formed in the downstream in tapering
With the path pipe portion of air inlet ingress pipe, the downstream portion for the large-diameter portion being made of tapering and path pipe portion is formed as curved shape.
Invention effect
In this way according to above-mentioned 1st mode, intercooler outlet piping includes：The internal diameter ruler of intercooler outlet piping
Very little big large-diameter portion and internal diameter size are less than the small diameter portion of large-diameter portion, and large-diameter portion is formed in the slave length of intercooler outlet piping
Direction central portion is spent between the downstream being connect with air inlet ingress pipe.
Realize and optimize therefore, it is possible to the charge pulsation that will occur along with the opening of inlet valve, closing, can including
The sympathetic response of intercooler outlet piping occurs in the high speed stage of combustion engine.Thus, it can in the usual speed stage of internal combustion engine
The intake resistance for reducing the downstream portion of intercooler outlet piping can prevent the air capacity of sucking internal combustion engine from reducing.It is tied
Fruit is can to improve the charging efficiency of internal combustion engine, can improve the output of internal combustion engine.
In addition, the downstream portion in intercooler outlet piping is equipped with large-diameter portion, therefore intercooler can be increased and gone out
The surface area of the downstream portion of mouth piping, and the internal diameter size of the downstream portion of intercooler outlet piping can be increased.
Therefore, it is possible to increase the table for the intercooler outlet piping encountered from the traveling wind of the front of vehicle importing vehicle
Face area can use the intercooler outlet piping efficiently big air of the cooling flow for flowing through large-diameter portion.
As a result, the temperature that can flow through the air of intercooler outlet piping by traveling wind further drops
It is low, the intake efficiency of internal combustion engine can be more effectively improved, the output of internal combustion engine can be more effectively improved.
According to above-mentioned 2nd mode, air inlet ingress pipe extends to the lower section of vehicle from surge tank, and in the height side of vehicle
At least extend to the lower part of subsidiary engine upwards, intercooler outlet piping from air outlet slit pipe portion by the lower section of mounting device and
The lower section of subsidiary engine is connect with air inlet ingress pipe.
Therefore, it is possible to intercooler outlet piping be arranged in a manner of surrounding from the side of subsidiary engine to downside and into conductance
Enter pipe, intercooler outlet piping and air inlet ingress pipe can be prevented to be exposed to from what subsidiary engine rose and hankered.
Thus, it is possible to prevent from being heated by the air that intercooler cools down, it can will flow through intercooler outlet and match
The air of pipe remains low temperature.
As a result, can the air that cooled down by intercooler be passed through inlet manifold from the piping of intermediate cooler outlet
Internal combustion engine is imported, the charging efficiency of internal combustion engine can be further increased and more effectively improves the output performance of internal combustion engine.
In addition, in setting air outlet slit pipe portion more against the top than mounting device in the short transverse of vehicle, and than peace
Subsidiary engine is arranged in assembling device on the lower, by intercooler outlet piping from air outlet slit pipe portion by the lower section of mounting device and auxiliary
The lower section of machine is connect with air inlet ingress pipe.
Therefore, it is possible in the short transverse of vehicle with from the front of vehicle (upstream portion) toward rear (downstream portion) and become
Intercooler outlet piping is arranged in low land, can extend the height of intercooler outlet piping in the short transverse of vehicle
The size in direction.
Thus, it is possible to increase the table for the intercooler outlet piping encountered from the traveling wind of the front of vehicle importing vehicle
Face area can efficiently cool down intercooler outlet piping.It is flowed through as a result, can be further decreased by traveling wind
The temperature of the air of intercooler outlet piping can more effectively improve the charging efficiency of internal combustion engine.
Match in addition, intercooler outlet can be located in the position setting lower than upstream portion in the short transverse of vehicle
The large-diameter portion of the downstream portion of pipe, therefore large-diameter portion can be arranged in the bottom (such as bottom of engine room) for flowing through vehicle
Position more than traveling wind.
Therefore, it is possible to make more traveling winds more encounter the big large-diameter portion of surface area, can more effectively cool down
Air.Thus, it is possible to more effectively improve the charging efficiency of internal combustion engine.
In addition, being equipped with large-diameter portion in the lower section of subsidiary engine, therefore large-diameter portion can be prevented to be exposed to from what subsidiary engine rose and hankered.
Therefore, it is possible to prevent from being heated by the air that intercooler cools down, the air of low temperature can be imported internal combustion engine.
In addition, being not provided with intercooler outlet piping in the space of the top of subsidiary engine, therefore subsidiary engine can be expanded
Top space.Therefore, it is possible to have easy access to subsidiary engine from top, subsidiary engine can be easily assembled and disassembled relative to internal combustion engine.Cause
And the operability of the attended operation of subsidiary engine can be improved.
Moreover, making lower section of the intercooler outlet piping by mounting device, thus in intercooler outlet piping
It is installed in the state of internal combustion engine, it, can not be by cooling during rolling into when being about to internal combustion engine and being assembled in the operation of car body from below
Device outlet piping interferes ground that internal combustion engine is installed on car body by mounting device.Therefore, it is possible to which internal combustion engine is easily assembled in
Car body.
According to above-mentioned 3rd mode, the internal diameter size of large-diameter portion is all identical on the length direction of large-diameter portion, therefore can prevent
Only the charge pulsation caused by large-diameter portion is decayed, and charge pulsation can be made to realize and optimized.Therefore, in the usual rotating speed of internal combustion engine
It can prevent the air capacity of sucking internal combustion engine from reducing in section, can more effectively improve the charging efficiency of internal combustion engine, can more have
Improve the output of internal combustion engine in effect ground.
According to above-mentioned 4th mode, in the state of internal combustion engine seen from above, the lower side in subsidiary engine is arranged in large-diameter portion,
It is arranged around subsidiary engine.Therefore, if large-diameter portion is set as to describe the radius of curvature of gentle curve, can make by
More air are imported into internal combustion engine along gentle curve under the increased state of volume of the air of large-diameter portion.
As a result, the charging efficiency that the air capacity for sucking internal combustion engine can be increased and more effectively improve internal combustion engine, energy
The enough output for more effectively improving internal combustion engine.
According to above-mentioned 5th mode, large-diameter portion is constituted by straight line portion, rake and the 1st bending section and the 2nd bending section, by
This can increase the air capacity for importing internal combustion engine and the surface area that can increase the large-diameter portion that traveling wind is encountered.
In addition, large-diameter portion includes：1st bending section, from rake towards the lower section lateral bend of subsidiary engine；And the 2nd bending
Portion, lower section that is continuous with the 1st bending section and passing through subsidiary engine in the vehicle width direction, on the front-rear direction of vehicle from
Internal combustion engine is bent towards rear, is extended later towards the lower side of air inlet ingress pipe.
Therefore, it is possible to which the air for flowing to downstream from the upstream that intermediate cooler outlet is piped is bent using it by the 1st
Centrifugal force when portion and 2 bending section imports internal combustion engine in the state of holding trend.
In addition, the 2nd bending section downstream portion formed with the upstream from the 2nd bending section toward downstream and internal diameter size is gradual
The tapering of diminution forms the path pipe portion in connection tapering and air inlet ingress pipe in the downstream in tapering, will be by tapering and small diameter tube
The downstream portion for the large-diameter portion that portion is constituted is formed as curved shape.
Therefore, it is possible to which the flow velocity of air is improved by path pipe portion before directing the air into air inlet ingress pipe.Thus, it is possible to
The high air of flow velocity is imported into surge tank, can more effectively improve the charging efficiency for the air for importing internal combustion engine.
Description of the drawings
Fig. 1 is the figure of the inlet duct for the internal combustion engine with booster for indicating embodiments of the present invention, before being vehicle
The vertical view in portion.
Fig. 2 is the figure of the inlet duct for the internal combustion engine with booster for indicating embodiments of the present invention, before being vehicle
The side view in portion.
Fig. 3 is the figure of the inlet duct for the internal combustion engine with booster for indicating embodiments of the present invention, is internal combustion engine
Rearview.
Fig. 4 is the figure of the inlet duct for the internal combustion engine with booster for indicating embodiments of the present invention, is cooling during rolling
The side view of the internal combustion engine on the periphery of device outlet piping.
Fig. 5 is the figure of the inlet duct for the internal combustion engine with booster for indicating embodiments of the present invention, is to remove exchange
The vertical view of the front of the vehicle of the state of generator and inlet manifold.
Fig. 6 is this reality for indicating that the intercooler outlet piping of the fixed conventional example of internal diameter size is different with internal diameter size
Apply the figure of the engine speed of the intercooler outlet piping of mode and the relationship of charging efficiency.
Specific implementation mode
Hereinafter, the embodiment of the inlet duct using the internal combustion engine with booster of the description of the drawings present invention.Fig. 1~figure
5 be the figure of the inlet duct for the internal combustion engine with booster for indicating an embodiment of the invention.
First, illustrate the composition of the inlet duct of the internal combustion engine with booster of present embodiment.As shown in Figure 1, vehicle 1
Have a car body 2, car body 2 has side frame 2A, 2B, above-mentioned side frame 2A, 2B extend along the vehicle front-rear direction of vehicle 1 and
It is respectively arranged at the both sides of vehicle-width direction.
As depicted in figs. 1 and 2, car body 2 has front panel 3 in the vehicle front in the front-back direction of vehicle 1.Front panel 3 will
Car body 2 is divided into：Engine room 4 is set on front side of the front-rear direction of vehicle 1；And compartment 5, before being set to vehicle 1
On rear side of rear direction, passenger is taken.After, the expression before and after this expression such as front, rear is relative to before and after vehicle 1
The direction in direction.
As shown in Figure 1, Figure 2 and shown in Fig. 5, the engine 6 as internal combustion engine is provided in engine room 4.Engine 6 is logical
It crosses and is installed on the mounting device 7 of vehicle-width direction one end 6a and is supported in side frame 2A.In addition, in the present embodiment, side
Frame 2A is set in right side in the vehicle width direction, and vehicle-width direction one end 6a is set as the end on the right side of engine 6
Portion.
As shown in Figure 1, mounting device 7 has：1st mounting bracket 7a is anchored on the vehicle-width direction one of engine 6
End 6a；2nd mounting bracket 7b links with the 1st mounting bracket 7a, extends in the sides side frame 2A；And installation isolation part
7c links with the 2nd mounting bracket 7b, is installed on side frame 2A.
As shown in figure 3, vehicle-width direction the other end 6b in engine 6 is equipped with speed changer 8.In addition, in this implementation
In mode, the end in the left side of the vehicle-width direction of engine 6 is set as vehicle-width direction the other end 6b.Set on this
The speed changer 8 of vehicle-width direction the other end 6b is supported in side frame 2B by mounting device (not shown).Here, engine
6 vehicle-width direction one end 6a is equivalent to the vehicle-width direction end of the internal combustion engine of the present invention.
As depicted in figs. 1 and 2, engine 6 is equipped with booster 9 and inlet duct 10.As shown in figures 1 and 3, inlet duct
10 are set to the front side of engine 6.As shown in Figure 1 and Figure 5, inlet duct 10 has：Admission line 11, from the front of vehicle 1
It is taken into air；Air cleaner 12 is connect with the downstream of admission line 11, purifies air；And air cleaner outlet
Piping 13 will be imported the compressor outer cover 9a of booster 9 by 12 purified air of air cleaner.
As shown in Figure 1 and Figure 5, booster 9 has：Compressor is set to the inside of compressor outer cover 9a and not shown；
And turbine outer cover 9b, the turbine (not shown) that the built-in pressure by exhaust gas rotates.
As shown in Figure 1, Figure 2 and Fig. 5 shown in, inlet duct 10 have intercooler inlet piping 14, intercooler 15,
Intercooler outlet piping 16 and inlet manifold 17.
As shown in Figure 1, Figure 2 and shown in Fig. 5, outside the upstream end of intercooler inlet piping 14 and the compressor of booster 9
9a connections are covered, the downstream of intercooler inlet piping 14 is connect with intercooler 15.
As shown in Figure 1 and Figure 5, intercooler 15 is connected to the upstream end 16a of intercooler outlet piping 16.It is intermediate
The downstream 16b of cooler outlet piping 16 is connect with inlet manifold 17.Here, upstream, downstream indicate the stream relative to air
Upstream, the downstream in dynamic direction.
As shown in Figure 1 and Figure 5, booster 9 makes to import compressor outer cover from air cleaner outlet piping 13 by compressor
The supercharging air of 9a and be supplied to intercooler inlet piping 14, above-mentioned compressor and the whirlpool rotated by the pressure of exhaust gas
Wheel is formed as one and rotates together.
The temperature rise of the air after supercharged.Therefore, the air of the high temperature is imported into intercooler 15 and intermediate
Cooler 15 cools down.Air after supercharged in this way is cooled, thus improves the oxygen density of air.This improves the air of oxygen density
Combustion chamber is imported from intermediate cooler outlet piping 16 by inlet manifold 17 and by the air inlet (not shown) of engine 6.
In addition, the not shown inlet valve of air inlet is opened, is closed.
As shown in Fig. 2, intercooler 15 is set to the front of engine 6.Intercooler 15 has core 18, upper tank
Body 19 and lower tank 20.The air that core 18 is supplied by travelling air cooling from booster 9, air are circulated (not shown)
Throughput is arranged across the logical circulation road of traveling wind (not shown) in above-below direction or on vehicle-width direction.
Lower tank 20 is set to the lower part of core 18.Lower tank 20 is equipped with air intake pipe portion 20a, above-mentioned air intake pipe portion
20a is connected to intercooler inlet piping 14.Lower tank 20 will pass through air inlet duct from intercooler inlet piping 14
The air that portion 20a is imported imports core 18.
Upper tank body 19 is set to the top of core 18.As shown in FIG. 1 to 3, upper tank body 19 is equipped with air outlet slit pipe portion 19a,
Above-mentioned air outlet slit pipe portion 19a is connected to the upstream end 16a of intercooler outlet piping 16.
As shown in Fig. 2, the air cooled down by core 18 imports upper tank body 19.The air of upper tank body 19 is imported from air outlet slit
Pipe portion 19a imports intercooler outlet piping 16.As shown in figure 3, the air for importing intercooler outlet piping 16 imports
Inlet manifold 17.
As shown in figure 4, being equipped with alternating current generator 21 at the rear portion of engine 6.In vehicle-width direction one end of engine 6
Portion 6a is equipped with water pump 22.
Fig. 1~alternating current generator shown in Fig. 4 21 constitutes generator.The alternating current generator 21 have rotor (not shown) and
Stator etc..Rotor supports (not shown) in alternating current generator 21 outer cover 21A and rotate freely.It is equipped with from hair in the end of rotor
The vehicle-width direction one end 6a of motivation 6 alternator pulley 21B outstanding outward.Alternating current generator 21 is at work
Generate the heat of high temperature.The alternating current generator 21 of present embodiment is equivalent to the subsidiary engine of the present invention.
As shown in Figure 2 and Figure 4, in water pump 22, such as the rotary shaft 22C of impeller (not shown) is installed from engine
Vehicle-width direction one end 6a is prominent towards vehicle-width direction outside.The end of rotary shaft 22C is equipped with Water-pump belt wheel
22A。
As shown in Figure 2 and Figure 4, alternator pulley 21B and Water-pump belt wheel 22A are wound with timing belt 23.Moreover, timing
Band 23 is also wound in crank pulley 24.In addition, crank pulley 24 is set to the end of crank axle (not shown), from the vehicle of engine 6
Width direction one end 6a is protruded outward.
The rotation of crank axle is transmitted to alternating current generator 21 and water pump 22 by timing belt 23 as a result,.Thus, alternative electric generation
Machine 21 and water pump 22 and the rotation of crank axle are synchronously driven.
As shown in figure 3, alternating current generator 21 is arranged in the lower section of the surge tank 25 of inlet manifold 17, and lean on and speed changer 8
The vehicle-width direction one end 6a settings of the engine 6 of opposite side.Short transverse of the alternating current generator 21 in vehicle 1
On be set to the central portion of engine 6.
As shown in figure 3, inlet manifold 17 is installed on the rear portion of engine 6.Inlet manifold 17 is distributed with that will suck air
The air inlet ingress pipe 26 of surge tank 25 to engine 6 and the upstream portion set on surge tank 25.Here, in Fig. 1, Fig. 2 and figure
In 5, the flow direction of air is shown with the reference numeral W1 small arrows indicated.As shown in figure 3, air inlet ingress pipe 26 is from surge tank
25 extend to the lower section of vehicle 1.The air inlet ingress pipe 26 is connect with intercooler outlet piping 16.
As shown in Figure 1 to 4, intercooler outlet piping 16 is from the edges air outlet slit pipe portion 19a of intercooler 15
After the vehicle-width direction one end 6a extensions of engine 6, downstream 16b links with air inlet ingress pipe 26.In addition, intermediate cold
But device outlet piping 16 is configured near the lower part 21a by alternating current generator 21.
As shown in figure 4, air outlet slit pipe portion 19a is arranged in the short transverse of vehicle 1 more against the top than mounting device 7
Position.Alternating current generator 21 be arranged than constitute mounting device 7 the 1st mounting bracket 7a or the 2nd mounting bracket 7b on the lower
Position.In addition, in Fig. 4, the height of air outlet slit pipe portion 19a is indicated with reference numeral T.
As shown in Figure 1 to 4, intercooler outlet piping 16 is configured to pacify from air outlet slit pipe portion 19a by constituting
1st mounting bracket 7a of assembling device 7 or the lower section of the 2nd mounting bracket 7b, and by alternating current generator 21 lower section and with into
Gas ingress pipe 26 connects.
As shown in Figure 1 and Figure 5, intercooler outlet piping 16 includes：The big large-diameter portion 16A of internal diameter size；And it is interior
Diameter size is less than the small diameter portion 16B of large-diameter portion 16A.
As shown in figure 4, large-diameter portion 16A be formed in intercooler outlet piping 16 slave length direction central portion C to
Between the downstream 16b that air inlet ingress pipe 26 connects.As shown in Figure 4 and Figure 5, large-diameter portion 16A is in the lower section of alternating current generator 21
Side is set to around alternating current generator 21.
As shown in figure 4, in the short transverse of vehicle 1, air outlet slit pipe portion 19a is set to more against the top than mounting device 7
Position.Alternating current generator 21 is set to the position than the 1st mounting bracket 7a or the 2nd mounting bracket 7b on the lower.
Intercooler outlet piping 16 passes through the 1st mounting bracket 7a or the 2nd mounting bracket from air outlet slit pipe portion 19a
The lower section of 7b and the lower section of alternating current generator 21 and connect with air inlet ingress pipe 26.
As shown in figures 1 and 3, large-diameter portion 16A is configured at the lower side of the 1st mounting bracket 7a or the 2nd mounting bracket 7b,
And it is configured to pass through the lower section of alternating current generator 21 from the rear portion of mounting device 7.Large-diameter portion 16A extends to air inlet ingress pipe 26
Lower position.The internal diameter size of large-diameter portion 16A is identical on the length direction of large-diameter portion 16A.
As shown in figure 4, large-diameter portion 16A has：Straight line portion 16c, by the gradually smaller front end of diameter dimension with it is small
Diameter portion 16B links, and is located at the position lower than the upper end 21b of alternating current generator 21, and the 1st peace by constituting mounting device 7
Fill the lower section of holder 7a or the 2nd mounting bracket 7b；And rake 16d, it is continuous with straight line portion 16c, from straight line portion 16c courts
Extend to the lower side of alternating current generator 21.
Here, as shown in figure 4, the upper end of the upper end 21b and straight line portion 16c for ease of understanding alternating current generator 21
The position relationship of 16u indicates the upper end 16u of the upper end 21b and straight line portion 16c of alternating current generator 21 with lead-out wire.
In addition, large-diameter portion 16A has a bending section 16e and the two bending sections bending section 16f, above-mentioned bending section 16e with incline
Inclined portion 16d is continuously and from rake 16d towards the lower section lateral bend of alternating current generator 21, above-mentioned bending section 16f and the bending
Portion 16e is continuous and passes through the lower section of alternating current generator 21 in the vehicle width direction, is bent towards the rear of engine 6, court
Extend to the lower side of air inlet ingress pipe 26.Here, bending section 16e is equivalent to the 1st bending section of the present invention, bending section 16f phases
When in the 2nd bending section of the present invention.
As shown in figure 5, the downstream portion in bending section 16f is formed with from the upstream of bending section 16f towards downstream internal diameter size
Diminishing tapering 16g.In tapering, the downstream of 16g is formed with path pipe portion 16h, above-mentioned path pipe portion 16h connections tapering
16g and air inlet ingress pipe 26.
As shown in figure 3, the downstream portion shape of the large-diameter portion 16A of present embodiment being made of tapering 16g and path pipe portion 16h
As curved shape.
In addition, large-diameter portion 16A forms one from the upstream end of large-diameter portion 16A to downstream.The downstream of path pipe portion 16h
Constitute the downstream 16b of intercooler outlet piping 16.As shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 5, the upstream of small diameter portion 16B
End constitutes the upstream end 16a of intercooler outlet piping 16.In the lower part of Fig. 4, show from straight line portion 16c to rake 16d,
The range of bending section 16e, 16f.
In the following, illustrating the effect of the inlet duct of the internal combustion engine with booster of present embodiment.In 2 cylinder engines etc.
In, in the case where piston is with 360 ° of up and down motions of phase, the opening of air inlet, timeing closing are identical, carry out so-called interval
Charge pulsation occurs for air inlet, generates the pressure wave caused by charge pulsation.
The charge pulsation generates back wave by opening, the closing of inlet valve, and back wave is from the process of inlet manifold 17
Between cooler outlet piping 16 flow to intercooler 15, rebounded by the air outlet slit pipe portion 19a of intercooler 15 to produce
Raw standing wave.
When intermediate cooler outlet piping 16 due to the standing wave and the usual speed stage of engine 6 (such as 3000~
When vibing in 4500rpm), the intake resistance of the downstream portion of intercooler outlet piping 16 increases, sucking engine 6
Air capacity reduces.Thus in the usual speed stage of engine 6, the charging efficiency of engine 6 is likely to decrease and engine 6
Output reduces.
And inlet duct 10 according to the present embodiment, it can prevent engine 6 in the usual speed stage of engine 6
Charging efficiency reduces, the output of engine 6 reduces.That is, the intercooler outlet piping of the inlet duct 10 of present embodiment
16 include：The large-diameter portion 16A and internal diameter size that the internal diameter size of intercooler outlet piping 16 is big are small less than large-diameter portion 16A
Diameter portion 16B.In addition, in the inlet duct 10 of present embodiment, large-diameter portion 16A is formed in intercooler outlet piping 16
Slave length direction central portion C to the downstream 16b being connect with air inlet ingress pipe 26.
Therefore, in the inlet duct of present embodiment 10, charge pulsation can be made to be displaced to the high rotating speed of engine 6
Section can be such that charge pulsation realizes and optimize.That is, the inlet duct 10 of present embodiment is in intercooler outlet piping 16
Large-diameter portion 16A is set, by expanding internal diameter size, the length dimension of large-diameter portion 16A, so as to improve intercooler outlet
The eigentone of piping 16, makes eigentone be displaced to the high speed stage of engine 6.
In addition, in charge pulsation, become pressure wave in the standing wave that the inside of intercooler outlet piping 16 generates.
In the case that the downstream portion of intercooler outlet piping 16 is equipped with large-diameter portion 16A, the reflection reflected from inlet valve can be inhibited
The reduction of the attenuation of wave makes back wave be transmitted to the air outlet slit of intercooler 15 by intercooler outlet piping 16
Pipe portion 19a can make charge pulsation be displaced to the high speed stage of engine 6.
And if the internal diameter size of intercooler outlet piping is identical, the tool with the inlet duct 10 of present embodiment
There is the intercooler outlet piping of large-diameter portion 16A to compare, resonance frequency is lower, usual rotating speed of the charge pulsation to engine 6
Field offset.
In addition, when large-diameter portion to be set to the upstream portion of intercooler outlet piping 16, generated by inlet valve anti-
The pressure of ejected wave strongly reduces at the position of the intercooler outlet piping changed from small diameter portion to large-diameter portion, reaches intermediate
Back wave can decay when the upstream portion of cooler outlet piping 16.
In this way when reflecting wave attenuation, charge pulsation can not be made to be displaced to the high speed stage of engine 6, and cooling during rolling
The resonance frequency of device outlet piping is located at usual speed stage, therefore charge pulsation vibes in usual speed stage, in centre
The downstream inlet resistance of cooler outlet piping becomes larger.
Fig. 6 is to indicate that the fixed existing intercooler outlet piping of internal diameter size and internal diameter size is determined by experiment
The charging efficiency of engine speed (rpm) and engine 6 of the intercooler outlet piping 16 of different present embodiments
The figure of the result of (%).
It such as can be specific from Fig. 6, it was demonstrated that the case where identical with internal diameter size is used intercooler outlet piping (is used
Reference numeral A is indicated) compare, using the case where the intercooler outlet piping 16 in downstream portion with large-diameter portion 16A (with attached
Icon note B is indicated) under the charging efficiency of engine 6 in the high speed stage of engine 6 improve and measured shown in arrow C.
The inlet duct 10 of present embodiment in this way can improve the eigentone of intercooler outlet piping 16,
And the air for inhibiting the reduction of the attenuation of the back wave reflected from inlet valve and back wave being made to be transmitted to intercooler 15
Outlet duct portion 19a.
As a result, in the inlet duct of present embodiment 10, the big of standing wave and intercooler outlet piping 16 can be made
The sympathetic response point of diameter portion 16A is moved to high speed stage, can be reduced under intercooler 15 in the usual speed stage of engine 6
The intake resistance of trip.As a result, in the inlet duct 10 of present embodiment, the usual rotating speed in engine 6 can be prevented
The air capacity of sucking engine 6 reduces in section, improves the charging efficiency of engine 6, can improve the output of engine 6.
On the other hand, in the inlet duct of present embodiment 10, intercooler 15 is set to the front of engine 6,
Inlet manifold 17 is set to the rear portion of engine 6.In addition, the vehicle-width direction one end 6a in engine 6 is provided with work
When generate high temperature heat alternating current generator 21.
Therefore, intercooler outlet piping 16 needs to pass through vehicle-width direction one end 6a from the front of engine 6
And it is laid in the rear of engine 6.However, when engine 6 operates, the heat risen from the generation of alternating current generator 21 is (in Fig. 3
It is middle to mark the arrow of H to indicate with attached drawings) it is trapped in the top of alternating current generator 21.Therefore, if intercooler gone out
Mouth piping 16 is set to the tops of alternating current generator 21, then is possible to be stranded in top by the air that intercooler 15 cools down
Heat heating.
And inlet duct 10 according to the present embodiment, it is equipped with large-diameter portion in the downstream portion of intercooler outlet piping 16
16A, thus, it is possible to increase the surface area of the downstream portion of intercooler outlet piping 16 and can increase intercooler
The internal diameter size of the downstream portion of outlet piping 16.
Therefore, inlet duct 10 according to the present embodiment can increase the traveling that vehicle 1 is imported from the front of vehicle 1
The surface area for the intercooler outlet piping 16 that wind W encounters (with reference to Fig. 2, Fig. 4) can use intercooler outlet piping
16 efficiently big air of the cooling flow for flowing through large-diameter portion 16A.
As a result, inlet duct 10 according to the present embodiment, intercooler is further flowed through by traveling wind W
The temperature of the air of outlet piping 16 reduces, and can more effectively improve the intake efficiency of engine, can more effectively improve
The output of engine 6.
In addition, in the inlet duct 10 of present embodiment, air inlet ingress pipe 26 is extended to from surge tank 25 under vehicle 1
Just, and in the short transverse of vehicle 1 lower part for extending to alternating current generator 21, makes intercooler outlet piping 16 from sky
Gas outlet duct portion 19a passes through lower section and the alternative electric generation of the 1st mounting bracket 7a or the 2nd mounting bracket 7b that constitute mounting device
The lower section of machine 21 and connect with air inlet ingress pipe 26.
Therefore, inlet duct 10 according to the present embodiment, can be from the side of alternating current generator 21 to downside to surround
Mode intercooler outlet piping 16 and air inlet ingress pipe 26 are set, can prevent intercooler outlet piping 16 and into
Gas ingress pipe 26, which is exposed to from what alternating current generator 21 rose, to be hankered.Thus, inlet duct 10 according to the present embodiment can
It prevents from being heated by the air that intercooler 15 cools down, the air for flowing through intercooler outlet piping 16 can be remained
Low temperature.
As a result, inlet duct 10 according to the present embodiment, can by the air cooled down by intercooler 15 from
Intercooler outlet piping 16 imports engine 6 by inlet manifold 17, can improve the charging efficiency of engine 6 and improve
The output performance of engine 6.
In addition, in the inlet duct 10 of present embodiment, in the short transverse of vehicle 1 than the 1st mounting bracket 7a or
Air outlet slit pipe portion 19a, and ratio the 1st mounting bracket 7a or the 2nd mounting bracket is arranged in the 2nd mounting bracket 7b of person against the top
Alternating current generator 21 is arranged in 7b on the lower.In the inlet duct 10 of present embodiment, make intercooler outlet piping 16 from
Air outlet slit pipe portion 19a by the lower section of the lower section and alternating current generator 21 of the 1st mounting bracket 7a or the 2nd mounting bracket 7b and
It is connect with air inlet ingress pipe 26.
Therefore, inlet duct 10 according to the present embodiment can go out intercooler in the short transverse of vehicle 1
Mouth piping 16 is arranged to being lower from the front of vehicle (upstream portion) toward rear (downstream portion), can be in the height of vehicle 1
Extend the size of the short transverse of intercooler outlet piping 16 on direction.
The intercooler outlet piping that the traveling wind W of vehicle 1 encounters is imported from the front of vehicle 1 thus, it is possible to increase
16 surface area can efficiently cool down intercooler outlet piping 16.As a result, can be by traveling wind W into one
Step reduces the temperature for the air for flowing through intercooler outlet piping 16, can more effectively improve the charging efficiency of engine 6.
In addition, can by positioned at the large-diameter portion 16A of the downstream portion of intercooler outlet piping 16 in the height side of vehicle 1
It sets up in the position lower than upstream portion, therefore can be arranged in the position more than the traveling wind for flowing through the bottom of engine room 4
Large-diameter portion 16A.Therefore, in the inlet duct of present embodiment 10, more traveling winds can be made more to encounter surface face
The big large-diameter portion 16A of product, being capable of more effectively cooling air.Thus, in the inlet duct 10 of present embodiment, can more have
Improve the charging efficiency of engine 6 in effect ground.
In addition, in the inlet duct 10 of present embodiment, it is equipped with large-diameter portion 16A in the lower section of alternating current generator 21, because
This can prevent from large-diameter portion 16A to be exposed to from what alternating current generator 21 rose hankering.Inlet duct 10 according to the present embodiment,
It can prevent from being heated by the air that intercooler 15 cools down, the air of low temperature can be imported engine 6.
In addition, in the inlet duct 10 of present embodiment, it is not provided in the space of the top of alternating current generator 21
Intercooler outlet piping 16, therefore the space of the top of alternating current generator 21 can be expanded.Therefore, according to the present embodiment
Inlet duct 10, alternating current generator 21 can be had easy access to from top, exchange can be easily assembled and disassembled relative to engine 6
Generator 21.Thus, in the inlet duct 10 of present embodiment, the operation of the attended operation of alternating current generator 21 can be improved
Property.
Moreover, in the inlet duct 10 of present embodiment, intercooler outlet piping 16 is made to pass through the 1st mounting bracket
The lower section of 7a or the 2nd mounting bracket 7b.As a result, in the inlet duct of present embodiment 10, match in intercooler outlet
Pipe 16 is installed in the state of engine 6, will not be intermediate when into when being about to engine 6 and being assembled in the operation of car body 2 from below
Cooler outlet piping 16 interferes.In the inlet duct 10 of present embodiment, make the 1st mounting bracket 7a set on engine 6
Engine 6 can be installed on side frame by mounting device 7 towards the 2nd mounting bracket 7b with installation isolation part 7c connections
2A.Therefore, engine 6 can be easily assembled in car body 2 by inlet duct 10 according to the present embodiment.
In addition, inlet duct 10 according to the present embodiment, the length of the internal diameter size of large-diameter portion 16A in large-diameter portion 16A
It is identical on direction, therefore prevent the charge pulsation caused by large-diameter portion 16A from decaying, charge pulsation can be made to realize and optimized.Cause
This, inlet duct 10 according to the present embodiment can prevent the sky of sucking engine 6 in the usual speed stage of engine 6
Tolerance reduces, and more effectively improves the charging efficiency of engine 6, can more effectively improve the output of engine 6.
In addition, inlet duct 10 according to the present embodiment, in the state of engine 6 seen from above, large-diameter portion 16A
It is set to around alternating current generator 21 in the lower side of alternating current generator 21.Therefore, if large-diameter portion 16A is set as describing flat
The radius of curvature of slow curve, then can be in the case where making by the increased state of volume of the air of large-diameter portion 16A along gentle
More air are imported engine 6 by curve.As a result, inlet duct 10 according to the present embodiment, can increase sucking
The air capacity of engine 6 and the charging efficiency for more effectively improving engine 6, can more effectively improve the output of engine 6.
In addition, according to the present embodiment, large-diameter portion is constituted by straight line portion 16c, rake 16d and bending section 16e, 16f
16A, thus, it is possible to increase the air capacity for importing engine 6 and the surface that can increase the large-diameter portion 16A that traveling wind is encountered
Area.
In addition, large-diameter portion 16A includes：Bending section 16e, from rake 16d towards the lower section lateral bending of alternating current generator 21
It is bent；And bending section 16f, it is continuous with bending section 16e and be configured under alternating current generator 21 along vehicle-width direction
Side, is the shape being bent from engine 6 towards rear on the front-rear direction of vehicle 1, towards the lower side of air inlet ingress pipe 26
Extend.Therefore, inlet duct 10 according to the present embodiment, can by from intermediate cooler outlet piping 16 upstream toward downstream
The air of flowing utilizes its centrifugal force by bending section 16e, 16f when to import engine 6 in the state of holding trend.
In addition, in the inlet duct 10 of present embodiment, in bending section, the downstream portion of 16f is formed with from bending section
The upstream of 16f toward downstream and the diminishing tapering 16g of internal diameter size, in tapering the downstream of 16g formed connection tapering 16g and
The path pipe portion 16h of air inlet ingress pipe 26 makes the downstream portion for the large-diameter portion 16A being made of tapering 16g and path pipe portion 16h be formed
For curved shape.
Therefore, inlet duct 10 according to the present embodiment, can be before directing the air into air inlet ingress pipe 26 by small
Diameter pipe portion 16h improves the flow velocity of air.Thus, in the inlet duct 10 of present embodiment, the high air of flow velocity can be led
Enter surge tank 25, can more effectively improve the charging efficiency for the air for importing engine 6.In addition, present embodiment into
In device of air 10, subsidiary engine is constituted by alternating current generator 21, but as long as being the subsidiary engine for generating heat, is not limited to alternating current generator
21。
Although disclosing embodiments of the present invention, it is understood that those skilled in the art can not depart from the present invention's
Apply change in the case of range.It is intended to for all this modifications and equivalent to be contained in the claim of the present invention.
Reference sign
1 vehicle
2 car bodies
6 engines (internal combustion engine)
6a vehicle-width directions one end (vehicle-width direction end)
7 mounting devices
9 boosters
10 inlet ducts
15 intercoolers
16 intercooler outlet pipings
16A large-diameter portions
16B small diameter portions
The straight line portions 16c
16d rakes
The bending sections 16e (the 1st bending section)
The bending sections 16f (the 2nd bending section)
The taperings 16g
16h path pipe portions
17 inlet manifold
19a air outlet slit pipe portions
21 alternating current generators (subsidiary engine)
The upper ends 21b (upper end of subsidiary engine)
25 surge tanks
26 air inlet ingress pipes.
Claims (5)
1. a kind of inlet duct of the internal combustion engine with booster, wherein above-mentioned inlet duct is installed on the internal combustion engine with booster,
The inlet duct of the above-mentioned internal combustion engine with booster is characterized in that having：
Inlet manifold has the surge tank at the front-rear direction rear portion for being installed on above-mentioned internal combustion engine and set on the upper of above-mentioned surge tank
The air inlet ingress pipe in trip portion；
Intercooler is set to the front of above-mentioned internal combustion engine, and has air outlet slit pipe portion, is entered by intercooler
Mouth piping is connect with above-mentioned booster；And
Intercooler outlet piping, from the above-mentioned air outlet slit pipe portion of above-mentioned intercooler along the vehicle of above-mentioned internal combustion engine
Width direction end extends, and links later with above-mentioned air inlet ingress pipe,
Above-mentioned intermediate cooler outlet piping includes large diameter portion and small diameter portion, and above-mentioned large-diameter portion is by above-mentioned intermediate cooler outlet
The big part of sectional area that the internal diameter size of piping is formed, above-mentioned small diameter portion is by the internal diameter of above-mentioned intermediate cooler outlet piping
The sectional area that size is formed is less than the part of above-mentioned large-diameter portion,
Above-mentioned small diameter portion is formed as from the upstream being connect with above-mentioned air outlet slit pipe portion in above-mentioned intermediate cooler outlet piping
It holds until the length direction central portion of above-mentioned intermediate cooler outlet piping,
Above-mentioned large-diameter portion is formed in being imported slave length direction central portion to above-mentioned air inlet for above-mentioned intermediate cooler outlet piping
Between the downstream of pipe connection.
2. the inlet duct of the internal combustion engine according to claim 1 with booster, which is characterized in that
The vehicle-width direction end of above-mentioned internal combustion engine is supported in the car body of vehicle by mounting device, and in above-mentioned internal combustion engine
Front-rear direction rear portion and the subsidiary engine of heat is generated when work being installed below above-mentioned surge tank,
Above-mentioned air inlet ingress pipe extends to the lower section of above-mentioned vehicle from above-mentioned surge tank, and in the short transverse of above-mentioned vehicle
The lower part of above-mentioned subsidiary engine is at least extended to,
It is equipped with above-mentioned air outlet slit pipe portion in the position more against the top than above-mentioned mounting device in the short transverse of above-mentioned vehicle, and
And it is being equipped with above-mentioned subsidiary engine than the position of above-mentioned mounting device on the lower,
Lower section and above-mentioned subsidiary engine of the above-mentioned intermediate cooler outlet piping from above-mentioned air outlet slit pipe portion by above-mentioned mounting device
Lower section connect with above-mentioned air inlet ingress pipe,
Above-mentioned large-diameter portion is formed in the lower side of above-mentioned mounting device, and is formed in before the above-mentioned vehicle of above-mentioned mounting device
The lower section of subsidiary engine is passed through at the rear portion of rear direction, extends to the position at least leaving the above-mentioned downward side space of air inlet ingress pipe.
3. the inlet duct of the internal combustion engine according to claim 2 with booster, which is characterized in that
The internal diameter size of above-mentioned large-diameter portion is all identical on the length direction of above-mentioned large-diameter portion.
4. the inlet duct of the internal combustion engine with booster according to claim 2 or claim 3, which is characterized in that
In the state of above-mentioned internal combustion engine seen from above, the lower side in subsidiary engine is arranged in above-mentioned large-diameter portion, and is arranged upper
It states around subsidiary engine.
5. the inlet duct of the internal combustion engine with booster according to any one of claim 2 to claim 4, special
Sign is,
Above-mentioned large-diameter portion includes：Straight line portion, it is continuous with above-mentioned small diameter portion, the position of the upper end of above-mentioned subsidiary engine is passed below,
And by the lower section of above-mentioned mounting device；Rake, it is continuous with above-mentioned straight line portion, from above-mentioned straight line portion towards above-mentioned subsidiary engine
Lower side extends；1st bending section, it is continuous with above-mentioned rake, from above-mentioned rake towards the lower section lateral bend of above-mentioned subsidiary engine；
And the 2nd bending section, lower section that is continuous with above-mentioned 1st bending section and passing through above-mentioned subsidiary engine in the vehicle width direction,
It is bent from above-mentioned internal combustion engine towards rear on the front-rear direction of above-mentioned vehicle, prolongs later towards the lower side of above-mentioned air inlet ingress pipe
It stretches,
Downstream portion in above-mentioned 2nd bending section, which is formed with from the upstream of above-mentioned 2nd bending section, more downstream extends internal diameter size more
Small tapering is formed with the path pipe portion for connecting above-mentioned tapering and above-mentioned air inlet ingress pipe in the downstream in above-mentioned tapering, by upper
The downstream portion for stating the above-mentioned large-diameter portion of tapering and above-mentioned path pipe portion composition is formed as curved shape.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-077675 | 2014-04-04 | ||
| JP2014077675A JP6331603B2 (en) | 2014-04-04 | 2014-04-04 | Intake device for an internal combustion engine with a supercharger |
| PCT/JP2015/060474 WO2015152374A1 (en) | 2014-04-04 | 2015-04-02 | Intake device for supercharger-equipped internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105765208A CN105765208A (en) | 2016-07-13 |
| CN105765208B true CN105765208B (en) | 2018-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580002689.4A Expired - Fee Related CN105765208B (en) | 2014-04-04 | 2015-04-02 | The inlet duct of internal combustion engine with booster |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6331603B2 (en) |
| CN (1) | CN105765208B (en) |
| DE (1) | DE112015001679B4 (en) |
| WO (1) | WO2015152374A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3657005B1 (en) * | 2017-08-25 | 2021-06-09 | Mazda Motor Corporation | Engine with supercharger |
| JP6614220B2 (en) * | 2017-09-29 | 2019-12-04 | スズキ株式会社 | Intake device for internal combustion engine for vehicle |
| JP6849093B2 (en) * | 2017-10-11 | 2021-03-24 | マツダ株式会社 | Engine with supercharger |
| CN116025491A (en) * | 2021-10-26 | 2023-04-28 | 本田技研工业株式会社 | Air intake device for internal combustion engine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206321A (en) * | 2012-01-17 | 2013-07-17 | 马自达汽车株式会社 | Intake Device Of Engine |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3872189B2 (en) * | 1997-11-07 | 2007-01-24 | トヨタ自動車株式会社 | Intake air temperature control device for vehicle engine |
| JP2003326988A (en) * | 2002-05-15 | 2003-11-19 | Mitsubishi Fuso Truck & Bus Corp | Cooler, and intake cooler for engine |
| JP4650261B2 (en) * | 2005-12-28 | 2011-03-16 | スズキ株式会社 | Intercooler arrangement structure for turbocharged engine |
| JP2009227132A (en) * | 2008-03-24 | 2009-10-08 | Mazda Motor Corp | Front part structure of vehicle body |
| JP5229145B2 (en) * | 2009-07-17 | 2013-07-03 | スズキ株式会社 | Intake device for vehicle engine |
| JP5754914B2 (en) * | 2010-10-26 | 2015-07-29 | ダイハツ工業株式会社 | Internal combustion engine |
| JP2013079598A (en) * | 2011-10-04 | 2013-05-02 | Suzuki Motor Corp | Egr cooler unit protection device for vehicular engine |
| JP5817487B2 (en) * | 2011-12-09 | 2015-11-18 | スズキ株式会社 | Intake device for vehicle engine |
-
2014
- 2014-04-04 JP JP2014077675A patent/JP6331603B2/en active Active
-
2015
- 2015-04-02 DE DE112015001679.1T patent/DE112015001679B4/en active Active
- 2015-04-02 WO PCT/JP2015/060474 patent/WO2015152374A1/en active Application Filing
- 2015-04-02 CN CN201580002689.4A patent/CN105765208B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206321A (en) * | 2012-01-17 | 2013-07-17 | 马自达汽车株式会社 | Intake Device Of Engine |
Also Published As
| Publication number | Publication date |
|---|---|
| DE112015001679T5 (en) | 2017-01-05 |
| JP6331603B2 (en) | 2018-05-30 |
| CN105765208A (en) | 2016-07-13 |
| DE112015001679B4 (en) | 2018-02-22 |
| WO2015152374A1 (en) | 2015-10-08 |
| JP2015200184A (en) | 2015-11-12 |
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