CN109578182A - The inlet duct of internal combustion engine for vehicle - Google Patents
The inlet duct of internal combustion engine for vehicle Download PDFInfo
- Publication number
- CN109578182A CN109578182A CN201811064627.8A CN201811064627A CN109578182A CN 109578182 A CN109578182 A CN 109578182A CN 201811064627 A CN201811064627 A CN 201811064627A CN 109578182 A CN109578182 A CN 109578182A
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- CN
- China
- Prior art keywords
- mentioned
- tube section
- downstream side
- air cleaner
- side tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
-
- 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
-
- 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
- F02M35/02—Air cleaners
- F02M35/0201—Housings; Casings; Frame constructions; Lids; Manufacturing or assembling thereof
- F02M35/0204—Housings; Casings; Frame constructions; Lids; Manufacturing or assembling thereof for connecting or joining to other devices, e.g. pipes
-
- 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
- F02M35/02—Air cleaners
- F02M35/04—Air cleaners specially arranged with respect to engine, to intake system or specially adapted to vehicle; Mounting thereon ; Combinations with other devices
- F02M35/044—Special arrangements of cleaners in or with respect to the air intake system, e.g. in the intake plenum, in ducts or with respect to carburettors
-
- 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
- F02M35/10144—Connections of intake ducts to each other or to another device
-
- 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
- F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
- F02M35/10255—Arrangements of valves; Multi-way valves
-
- 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
- F02M35/10373—Sensors for intake 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
- F02M35/16—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines characterised by use in vehicles
-
- 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
- F02M35/10098—Straight ducts
-
- 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
- F02M35/104—Intake manifolds
- F02M35/112—Intake manifolds for engines with cylinders all in one line
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Transportation (AREA)
- Manufacturing & Machinery (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
Offer can easily reduce the vibration for the downstream side tube section being arranged in the engine main body side for becoming vibration source and can easily suppress the inlet duct of the internal combustion engine for vehicle of the vibration of air inlet pipe.Inlet duct has the intercooler outlet piping (35) that the air being inhaled into air cleaner (29) is imported into inlet manifold (27), intercooler outlet piping (35) has: downstream side tube section (65) comprising the middle tube portion (66) and hose (67) extended from inlet manifold to air cleaner；And upstream side tube section (64), extend from the upstream end of middle tube portion (66) to air cleaner, is connected to intercooler (34).Middle tube portion (66) has the boss portion (66C) for being fixed on air cleaner and the boss portion for being fixed on inlet manifold, is clipped in the up-down direction by air cleaner and inlet manifold and is fixed on air cleaner and inlet manifold.
Description
Technical field
The present invention relates to the inlet ducts of internal combustion engine for vehicle.
Background technique
In the past, the inlet duct of engine had the air inlet pipe that sucking air is imported into engine, and air inlet pipe is supported in
Engine or car body.
As existing air inlet pipe, it is known that have the inlet manifold of connection engine and the intercooler of intercooler
The air inlet pipe (referring to patent document 1) of outlet and intercooler outlet hose.
Intercooler outlet and intercooler outlet hose cross the top of engine from inlet manifold and extend
To intercooler.
Existing technical literature
Patent document
Patent document 1: special open 2012-241533 bulletin
Summary of the invention
Problems to be solved by the invention
But in this existing air inlet pipe, due to having the inlet manifold and intercooler that connect engine
Intercooler outlet and intercooler outlet hose, therefore intercooler outlet and intercooler outlet hose
Due to engine vibration and vibrate.
In order to reduce the vibration of intercooler outlet and intercooler outlet hose, need intercooler
Mouth pipe and intercooler outlet hose are fixed on engine or car body.
But there is no fix existing air inlet pipe about by intercooler outlet and intercooler outlet hose
Specific composition.Therefore, it is impossible to inhibit the vibration of intercooler outlet and intercooler outlet hose, still there is improvement
Leeway.
The present invention is conceived to above situation and completes, and its purpose is to provide can easily reduce becoming vibration
Source engine main body side setting downstream side tube section vibration, can easily suppress air inlet pipe vibration vehicle internal combustion
The inlet duct of machine.
The solution to the problem
The inlet duct of internal combustion engine for vehicle of the invention includes inlet manifold, is set to the side of engine main body；
Air cleaner is set to the top of above-mentioned engine main body；And air inlet pipe, it will suck in above-mentioned air cleaner
Air imported into above-mentioned inlet manifold, and the inlet duct of above-mentioned internal combustion engine for vehicle is characterized in that above-mentioned air inlet pipe has: under
Side tube section is swum, is extended from above-mentioned inlet manifold to above-mentioned air cleaner；And upstream side tube section, from above-mentioned downstream side pipe
The upstream end in portion extends to above-mentioned air cleaner, and above-mentioned downstream side tube section has: air cleaner side fixed part is fixed on
Above-mentioned air cleaner；And inlet manifold side fixed part, it is fixed on above-mentioned inlet manifold, above-mentioned downstream side tube section is upper and lower
On direction above-mentioned air cleaner and above-mentioned air inlet discrimination are clipped and are fixed on by above-mentioned air cleaner and above-mentioned inlet manifold
Pipe.
Invention effect
In this way, can be easily reduced according to the above-mentioned present invention in the engine main body side setting for becoming vibration source
The vibration of downstream side tube section can easily suppress the vibration of air inlet pipe.
Detailed description of the invention
Fig. 1 is the vertical view for having the front of the vehicle of the inlet duct of internal combustion engine for vehicle of one embodiment of the invention
Figure.
Fig. 2 is before the vehicle of the inlet duct for the internal combustion engine for vehicle that rear side viewing has one embodiment of the invention
Figure when portion.
Fig. 3 is before the vehicle of the inlet duct for the internal combustion engine for vehicle that right side viewing has one embodiment of the invention
Figure when portion.
Fig. 4 is before the vehicle of the inlet duct for the internal combustion engine for vehicle that left side viewing has one embodiment of the invention
Figure when portion.
Fig. 5 is the exploded view of the inlet duct of the internal combustion engine for vehicle of one embodiment of the invention.
Fig. 6 is the top view of the middle tube portion of the inlet duct of the internal combustion engine for vehicle of one embodiment of the invention.
Fig. 7 is the right view of the middle tube portion of the inlet duct of the internal combustion engine for vehicle of one embodiment of the invention.
Description of symbols
1: vehicle, 22: engine (internal combustion engine), 22A: engine main body, 27: inlet manifold, 29: air cleaner, 35:
Intercooler outlet piping (air inlet pipe), 36: throttle body, 64: upstream side tube section, 65: downstream side tube section, 66: intermediate tube
Portion's (the 2nd downstream side tube section), 66A: fixinig plate (inlet manifold side fixed part, protruding portion, the 2nd protruding portion), 66B: fixinig plate (into
Gas manifold side fixed part, protruding portion, the 1st protruding portion), 66C: boss portion (air cleaner side fixed part), 66D: boss portion (member
Part insertion section), 66E: boss portion (sensor fixed part), 66R: curved sections of pipe, 66S: straight line pipe portion, 67: hose (the 1st downstream
Side tube section), 69: sensor, 69A: detecting element, L: virtual axis.
Specific embodiment
The inlet duct of the internal combustion engine for vehicle of one embodiment of the present invention includes inlet manifold, is set to and starts
The side of owner's body；Air cleaner is set to the top of engine main body；And air inlet pipe, air-filtering will be sucked
Air in device imported into inlet manifold, and in the inlet duct of internal combustion engine for vehicle, air inlet pipe has: downstream side tube section,
Extend from inlet manifold to air cleaner；And upstream side tube section, from the upstream end of downstream side tube section to air cleaner
Extend, downstream side tube section has: air cleaner side fixed part is fixed on air cleaner；And inlet manifold side is fixed
Portion, is fixed on inlet manifold, and downstream side tube section is clipped and fixed by air cleaner and inlet manifold in the up-down direction
In air cleaner and inlet manifold.
Thereby, it is possible to easily reduce the vibration for the downstream side tube section being arranged in the engine main body side for becoming vibration source,
The vibration of air inlet pipe can be easily suppressed.
[embodiment]
Hereinafter, the inlet duct of the internal combustion engine for vehicle using Detailed description of the invention one embodiment of the invention.
Fig. 1 to Fig. 7 is the figure for indicating the inlet duct of internal combustion engine for vehicle of one embodiment of the invention.
In Fig. 1 into Fig. 7, all around direction is set before the direction that vehicle is advanced is set as, by the direction of retrogressing up and down
In the case where rear, the width direction of vehicle is left and right directions, and the short transverse of vehicle is up and down direction.
Firstly, illustrating to constitute.
In Fig. 1, vehicle 1 has frame portion 2 and automobile body part 3.Frame portion 2 has a pair of of stringer 5, the 6, (ginseng of front side crossbeam 7
According to Fig. 4) and rear-side cross member 8.A pair of of stringer 5,6 separates in the width direction (hereinafter referred to as vehicle width direction) of vehicle 1,
Front and back upwardly extend.
In Fig. 2, front side crossbeam 7 extends in the vehicle width direction, links the front end of stringer 5,6.Rear-side cross member 8 is in front side
The rear of crossbeam 7 extends along vehicle width direction, links stringer 5,6.
In Fig. 1, automobile body part 3 has side baffle 9,10；Front wheel housing 11,12；Rear wall 13；And hood locks component
14。
Side baffle 9,10 be disposed relative to stringer 5,6 in the vehicle width direction be located at foreign side, vehicle 1 up and down direction and
Front and back upwardly extend.
The direction stringer 5,6 out of side baffle 9,10 vehicle width direction of front wheel housing 11,12 extends, and the front end of extending direction is solid
Due to stringer 5,6.Rear wall 13 extends between front wheel housing 11,12 along vehicle width direction.Hood locks component 14 in vehicle width
Side upwardly extends, and links side baffle 9,10.
The lower section of front wheel housing 11,12 is provided with front-wheel (not shown), front wheel housing 11,12 is used in the top belay of front-wheel
The space of front-wheel rotation.
It is formed in the front of vehicle 1 by side baffle 9,10, front wheel housing 11,12, rear wall 13 and hood locking structure
The engine room 21 that part 14 surrounds, is provided with the engine 22 as internal combustion engine in engine room 21.
In any figure of Fig. 2 to Fig. 4, engine 22 has cylinder block 23, cylinder head 24, valve mechanism cover 25 and oily bottom
Shell 26.The cylinder block 23, cylinder head 24, valve mechanism cover 25 and oil sump 26 of the present embodiment constitute engine main body 22A.
Multiple cylinders (not shown) are provided in cylinder block 23.It is accommodated with piston (not shown), piston phase in the cylinder
Cylinder is moved back and forth in the up-down direction.
Piston is attached to crankshaft (not shown) by connecting rod (not shown), and the connecting rod that reciprocates through of piston is converted to song
The rotary motion of axis.Crankshaft upwardly extends in the front and back of vehicle and is set to cylinder block 23.
Cylinder head 24 be provided with multiple air inlet 24A (referring to Fig. 5), either on or off air inlet 24A it is (not shown) more
A inlet valve, multiple exhaust outlets (not shown) and multiple exhaust valves of difference either on or off exhaust outlet etc..
Engine main body 22A is arranged in engine room 21: cylinder is arranged as a column in the longitudinal direction, in other words
It says, crankshaft extends in the longitudinal direction.In Fig. 5, air inlet 24A is arranged in front in rear direction, is connected respectively with air inlet 24A
Logical cylinder is arranged on front-rear direction.
Side as engine main body 22A, cylinder head 24 right side is provided with inlet manifold 27, in cylinder head
24 left side is provided with exhaust manifold 28.
Air (air inlet) is imported into cylinder by air inlet by inlet manifold 27.Exhaust manifold 28 and cylinder head 24 are integrally
It is formed, exhaust gas after it has been burned in the cylinder is discharged to exhaust manifold 28 by exhaust outlet.
Cavaera (not shown) is formed between cylinder head 24 and valve mechanism cover 25 to be respectively arranged in cavaera
Admission cam shaft (not shown) with admission cam and the exhaust cam shaft with exhaust cam.
Admission cam and exhaust cam respectively drive inlet valve and row with the rotation of admission cam shaft and exhaust cam shaft
Valve, thus either on or off air inlet and exhaust outlet respectively.
Top as engine main body 22A, valve mechanism cover 25 top is provided with air cleaner 29.Air filter
The upstream side of clear device 29 is connected with admission line 30, and admission line 30 is connected to air-filtering by air cleaner inlet pipe 31
Device 29.
The air is passed through air cleaner inlet after the air that will enter in engine room 21 introduces by admission line 30
Pipe 31 imported into air cleaner 29.Air cleaner 29 purifies the air imported from air cleaner inlet pipe 31.
The downstream side of air cleaner 29 is connected with air cleaner outlet hose 37.Here, upstream, downstream refer to relatively
Upstream, downstream in the flow direction of air.
In Fig. 4, the downstream of air cleaner outlet hose 37 is connected to the upstream end of turbine inlet pipe 38, and turbine enters
Mouth pipe 38 is connected to booster 32.
Booster 32 is assemblied in the left side of the vehicle width direction of cylinder block 23, booster 32 have compressor housing 32A and
Turbine shroud 32B.
Compressor impeller (not shown) is set to compressor housing 32A and rotates freely, and compressor housing 32A is connected with
The downstream of turbine inlet pipe 38.
Turbine shroud 32B is connected with the downstream of exhaust pipe 41.Turbine wheel (not shown) is set to turbine shroud 32B simultaneously
And rotate freely, turbine wheel is integrally rotated with compressor impeller.
The upstream end of exhaust pipe 41 is connected to cylinder head 24, and exhaust gas is discharged to exhaust pipe 41 by exhaust manifold 28, is discharged
Exhaust gas to exhaust pipe 41 is directed to turbine shroud 32B.
Booster 32 rotates turbine wheel by pressure at expulsion, and compressor impeller is revolved with the rotation of turbine wheel
Turn, thus pressurizes to the air for being supplied to compressor housing 32A.
Compressor housing 32A is connected with the upstream end of turbine outlet pipe 39.During the downstream of turbine outlet pipe 39 is connected with
Between cooler inlet piping 33 upstream end.The air to be pressurizeed by compressor housing 32A is gone out from compressor housing 32A by turbine
Mouth pipe 39 is supplied to intercooler inlet piping 33.
In Fig. 2, Fig. 3, the downstream of intercooler inlet piping 33 is connected to the air intake of intercooler 34
Portion 34A.Intercooler 34 is set to the front (referring to Fig.1) of inlet manifold 27, and rear portion is provided with air exit 34B.
Intercooler 34 carries out hot friendship by the air and extraneous gas that will be imported from intercooler inlet piping 33
Cooling air is brought, the density of air is improved.
The air exit 34B of intercooler 34 is connected with the upstream end of intercooler outlet piping 35, intermediate cold
But the downstream of device outlet piping 35 is connected to inlet manifold 27 by throttle body 36 (referring to Fig. 3).Intercooler as a result,
Outlet piping 35 is formed as strip.
The intercooler outlet piping 35 of the present embodiment extends from inlet manifold 27 to air cleaner 29, constitutes this hair
Bright air inlet pipe.
That is, the upstream end of throttle body 36 is connected to the downstream of intercooler outlet piping 35, throttle body 36
Downstream is connected to inlet manifold 27.
Air throttle (not shown) is accommodated in throttle body 36, air throttle adjustment is inhaled from intermediate cooler outlet piping 35
Enter the air capacity to inlet manifold 27.
In Fig. 3, Fig. 5, inlet manifold 27 has multiple branched pipes 61, surge tank 62 and inlet tube 63.
Being connected to respectively in the access that inside is formed with air inlet 24A for branched pipe 61, air is imported by air inlet 24A
Cylinder.The engine 22 of the present embodiment is 3 Cylinder engines, and therefore, branched pipe 61 is provided with 3 according to number of cylinders.
Surge tank 62 is upwardly extended in the front and back of the orientation as cylinder.Surge tank 62 links branched pipe 61
Upstream end, the interim stored air of surge tank 62, air is distributed and imported into branched pipe 61.
Inlet tube 63 is attached to the rear portion of surge tank 62.Air inlet part 63A, air intake are provided in inlet tube 63
Portion's 63A upward opening.In this way, being formed with air inlet part 63A at the rear portion of inlet manifold 27.Throttle body 36 is in inlet manifold
The 27 upstream side and top of inlet manifold 27 is connected to air inlet part 63A.
In this way, intercooler outlet piping 35 and throttle body 36 connect inlet manifold 27 air inlet part 63A and
The air exit 34B of intercooler 34.
Therefore, it is pressurizeed by booster 32 and intercooler is passed through by the high air of the density after cooling of intercooler 34
Outlet piping 35 and throttle body 36 are directed to inlet manifold 27.
Inlet manifold 27 is imported by the air imported from intermediate cooler outlet piping 35 by air inlet part 63A
After inlet tube 63, branched pipe 61 is assigned to from surge tank 62 and imported into each cylinder.Thereby, it is possible to realize the fuel of engine 22
The raising of efficiency and output.
Intercooler outlet piping 35 has upstream side tube section 64 and downstream side tube section 65.
Upstream side tube section 64 extends from the air exit 34B of intercooler 34 to inlet manifold 27 (referring to Fig. 3).
Downstream side tube section 65 has middle tube portion 66 and hose 67, connects downstream and the inlet manifold of upstream side tube section 64
27 air inlet part 63A.The hose 67 of the present embodiment constitutes the 1st downstream side tube section of the invention, and middle tube portion 66 constitutes this
2nd downstream side tube section of invention.
Air cleaner 29 is set to side (referring to Fig.1, Fig. 3) relative to the extending direction of downstream side tube section 65.In Fig. 3
In, middle tube portion 66 is set to the top of throttle body 36, is arranged in the up-down direction by air cleaner 29 and air inlet discrimination
Pipe 27 clips.
Hose 67 is made of the resin for deforming freely, is set to the side air inlet part 63A relative to middle tube portion 66.It is intermediate
Pipe portion 66 is made of higher resin rigid compared with hose 67, metal etc., is arranged between hose 67 and upstream side tube section 64.
In Fig. 3, middle tube portion 66 is in such a way that the pipeline central axis 66L of side downstream is located at the top of throttle body 36
It is set to inlet manifold 27.Specifically, middle tube portion 66 to tilt upwards from upstream end (front side) towards downstream (rear side)
Mode be set to inlet manifold 27.
Hose 67 is bent downwardly from the downstream of middle tube portion 66 and is connected to the upstream end of throttle body 36, hose 67
Upstream end and downstream pass through clamping component 70A, 70B respectively and be attached to middle tube portion 66 and throttle body 36 (referring to Fig. 5).
In Fig. 6, Fig. 7, middle tube portion 66 includes: to extend to linear straight line pipe portion 66S in the longitudinal direction；And
(referring to Fig.1, scheme at place on the upstream side than straight line pipe portion 66S to the curved curved sections of pipe 66R in direction far from air cleaner 29
5).The downstream of downstream side tube section 65 is continuous with curved sections of pipe 66R.
In Fig. 5 into Fig. 7, the side of the extending direction of middle tube portion 66 is provided with fixinig plate 66A, 66B, in intermediate tube
The top in portion 66 is provided with boss portion 66C.In Fig. 5, the top of branched pipe 61 is provided with boss portion 61A, in surge tank 62
Top be provided with boss portion 62A.
As shown in figure 5, from the top of vehicle 1 watch middle tube portion 66 in the case where, fixinig plate 66A from air-filtering
The side of the opposite curved sections of pipe 66R of device 29 protrudes outward, and is formed with through hole 66a in fixinig plate 66A (referring to Fig. 6).
As shown in fig. 6, from top (top of vehicle 1) watch middle tube portion 66 in the case where, with multiple cylinders
Orientation, that is, front-rear direction it is orthogonal in the horizontal plane and by boss portion 66C virtual axis L on, fixinig plate 66B relative to
The straight line pipe portion 66S of middle tube portion 66 is set to the side of the side opposite with air cleaner 29 (referring to Fig. 5).In fixinig plate
66B is formed with through hole 66b.
Fixinig plate 66A, 66B of the present embodiment constitute inlet manifold side fixed part of the invention.
Fixinig plate 66A constitutes protruding portion and the 2nd protruding portion of the invention, fixinig plate 66B constitute protruding portion of the invention and
1st protruding portion.
The boss that the fixinig plate 66A of middle tube portion 66 is anchored on branched pipe 61 by being inserted through the bolt 68A of through hole 66a
Portion 61A, the boss portion that the fixinig plate 66B of middle tube portion 66 is anchored on surge tank 62 by being inserted through the bolt 68B of through hole 66b
62A.Middle tube portion 66 is fixed to the top of branched pipe 61 and surge tank 62 as a result, to be fixed to the top of inlet manifold 27.
Fixinig plate 66B is extended downward from middle tube portion 66 towards inlet manifold 27.Middle tube portion 66 can tilt as a result,
It is fixed on inlet manifold 27.
It is formed with boss portion 29A in the side of air cleaner 29 (referring to Fig. 5).In Fig. 3, the boss of middle tube portion 66
Portion 66C is set to 67 side of hose in the downstream side of middle tube portion 66, i.e. middle tube portion 66, from the top of pipe portion 66 towards air
Filter 29 extends upwards.The boss portion 66C of the present embodiment constitutes air cleaner side fixed part of the invention.
In Fig. 5, boss portion 66C is anchored on boss portion 29A by bolt 68C, and middle tube portion 66 is fixed on air-filtering
Device 29.Middle tube portion 66 is clipped by air cleaner 29 and inlet manifold 27 in the up-down direction and is fixed to air as a result,
Filter 29 and inlet manifold 27.
Air cleaner 29 by bolt 68D, 68E be fastened to valve mechanism cover 25 top formation fixinig plate 25A and
Boss portion 25B.
In Fig. 5 into Fig. 7, the top of middle tube portion 66 is provided with a pair of projections portion 66D, 66E.In Fig. 5, it is set to
The detecting element 69A of the lower part of sensor 69 is inserted into boss portion 66D.Detecting element 69A is able to detect in middle tube portion 66 as a result,
Internal flow air state.
The fixinig plate 69B of sensor 69 is fastened to boss portion 66E by bolt 68F.Sensor 69 is fixed on centre as a result,
The top of pipe portion 66.
Boss portion 66D is set to the side boss portion 66C relative to boss portion 66E, and boss portion 66C is arranged in the longitudinal direction
Between boss portion 66E.
Moreover, boss portion 66E is clipped simultaneously on the extending direction of straight line pipe portion 66S by curved sections of pipe 66R and boss portion 66C
And it is set to the top of straight line pipe portion 66S.
Sensor 69 is by detecting the sensor of the temperature of the air flowed in middle tube portion 66, detecting the sensing of pressure
Device, the sensor for detecting air capacity etc. are constituted, and the type of sensor is not particularly limited.The boss portion 66D of the present embodiment is constituted
Element insertion section of the invention, boss portion 66E constitute sensor of the invention fixed part.
In Fig. 5 into Fig. 7, the top of middle tube portion 66 is provided with boss portion 66F, boss portion 66F links not shown
Negative pressure pipe end.The negative pressure generated in gas handling system is for example imported into brake booster etc. by negative pressure pipe.
As shown in Figure 1, being provided with radiator 42 in the front of engine 22 in engine room 21.Radiator 42 passes through
Cooling water pipe (not shown) is connected to engine 22, makes the cooling water recycled between engine 22 and radiator 42 and outside
Gas carries out heat exchange.
The cooling water of the low temperature flowed out as a result, from radiator 42 is provided to engine 22, and engine 22 is by the cold of low temperature
But water is cooling.The cooling water for having carried out the high temperature of heat exchange with engine 22 is flowed into radiator 42 from cooling water pipe, is dissipated
Hot device 42 is cooling.
In Fig. 4, in front side, crossbeam 7 and rear-side cross member 8 are fixed with radiator support element 43,44, radiator support element 43,
44 extend upwards from front side crossbeam 7 and rear-side cross member 8.Radiator support element 43,44 is arranged to clip in the vehicle width direction scattered
Hot device 42.
In Fig. 2, engine 22 is flexibly linked by mounting device 51,55 with stringer 5,6.
The inlet duct of the present embodiment, which has, imported into inlet manifold 27 for the air being inhaled into air cleaner 29
Intercooler outlet piping 35.
Intercooler outlet piping 35 has: downstream side tube section 65 comprising from inlet manifold 27 to air cleaner
29 middle tube portions 66 extended and hose 67；And upstream side tube section 64, from the upstream end of middle tube portion 66 to air-filtering
Device 29 extends, and is connected to intercooler 34.
The fixinig plate that middle tube portion 66 has the boss portion 66C for being fixed on air cleaner 29 and is fixed on inlet manifold 27
66A, 66B, in the up-down direction by air cleaner 29 and inlet manifold 27 clip and be fixed to air cleaner 29 and into
Gas manifold 27.
The air cleaner 29 both deposited and inlet manifold of inlet duct are constituted by the way that middle tube portion 66 to be fixed to as a result,
27, the component new without addition, it will be able to easily reduce the downstream side being arranged in the side engine main body 22A for becoming vibration source
The vibration of pipe portion 65.
Also, by the vibration for reducing downstream side tube section 65, it can also easily reduce and be connected to downstream side tube section 65
The vibration of upstream side tube section 64 can easily suppress the vibration of intercooler outlet piping 35.
As a result, can be improved the durability of intercooler outlet piping 35, and it can prevent stress from concentrating on
The interconnecting piece of the air exit 34B of the upstream end and intercooler 34 of intercooler outlet piping 35 and improve intermediate cold
But the durability of device 34.
In addition, the downstream that middle tube portion 66 is arranged to middle tube portion 66 is located at upper according to the inlet duct of the present embodiment
It swims skewed above end.Moreover, boss portion 66C is set to the downstream end side of middle tube portion 66, from the top of middle tube portion 66
Extend to air cleaner 29.
Thereby, it is possible to shorten the length of the up and down direction of boss portion 63C by middle tube portion 66 close to air cleaner 29
Setting.Therefore, it can be improved middle tube portion 66 to the rigidity of support of air cleaner 29, middle tube portion 66 can be easily reduced
Vibration, and the amount of movement of the up and down direction of middle tube portion 66 can be reduced.
In addition, having sensor 69 according to the inlet duct of the present embodiment, sensor 69 has detection in downstream side tube section
The detecting element 69A of the state of the air flowed in 65.
Middle tube portion 66 includes boss portion 66D, wherein insertion detecting element 69A so that detecting element 69A in centre
The air contact flowed in pipe portion 66；And boss portion 66E, it is fixed with sensor 69, boss portion 66D is relative to boss portion
66E is set to the side boss portion 66C.
Thereby, it is possible to detecting element is arranged near the boss portion 66C linked with the boss portion 29A of air cleaner 29
69A.Boss portion 29A, 66C not only itself rigidity it is high, but also pass through the further raising of interconnected rigidity.
Thus, by the way that detecting element 69A is arranged near the high boss portion 66C of rigidity, detecting element 69A is not easily susceptible to
The influence of vibration.As a result, the detection accuracy that can be easily prevented from detecting element 69A deteriorates.
In addition, downstream side tube section 65 is disposed relative to prolonging for downstream side tube section 65 according to the inlet duct of the present embodiment
The side of the air cleaner 29 in direction is stretched, the upstream end of inlet manifold 27 is connected with throttle body 36.
Moreover, middle tube portion 66 is set to the top of throttle body 36, the downstream of hose 67 from middle tube portion 66 is downward
Side is bent and is connected to the upstream end of throttle body 36.
Attempted as a result, due to the vibration of engine main body 22A in the orientation (front and back of cylinder in middle tube portion 66
To) on it is mobile in the case where, middle tube portion 66 can be inhibited to the arrangement side of cylinder by the hose 67 with curved shape
To movement.
Moreover, because hose 67 is bent downwards from the downstream of middle tube portion 66, therefore the bending of hose 67 can be made
Gently.
Pipeline central axis in order to specifically describe effect, with the downstream side for using inlet manifold 27 and middle tube portion 66
The case where 66L is horizontal or hypsokinesis is compared, wherein inlet manifold 27 has entering for air inlet part 63A upward opening
Mouth pipe 63.
In this case, the downstream of middle tube portion 66 and the upstream end of throttle body 36 are matched in the short transverse of vehicle
It is placed in close position, it is therefore desirable to after being bent hose 67 upwards from middle tube portion 66, be bent hose 67 downwards
And it is connected to throttle body 36.Therefore, the size of hose 67 is elongated, the air flowed in intercooler outlet piping 35
The pressure loss increases.
The hose 67 of the middle tube portion 66 of the present embodiment is bent downwards from the downstream of middle tube portion 66, therefore can be made
The bending of hose 67 is gentle.Moreover, the pipeline central axis 66L for being arranged to the downstream side of middle tube portion 66 is tilted rearwardly and upwardly, position
In the top of throttle body 36, therefore it can more effectively make the bending of hose 67 gentle.
As a result, the length of intercooler outlet piping 35 can be shortened and keep the bending of hose 67 gentle, it can
It prevents the pressure loss of the air flowed in intercooler outlet piping 35 from increasing, and can reduce in intercooler
The resistance of the air flowed in outlet piping 35.
In addition, the overall length of hose 67 can be shortened, therefore can be in the narrow space content of the top of inlet manifold 27
It changes places and downstream side tube section 65 is set, can be improved vehicle-mounted property of the intercooler outlet piping 35 relative to vehicle 1.
On the other hand, inlet duct is provided with air cleaner 29 on the top of valve mechanism cover 25, and air cleaner 29 is solid
Due to the top of middle tube portion 66.Moreover, downstream side tube section 65 extends along the orientation of multiple cylinders.
Have as a result, following possible: air cleaner 29 is vibrated along the direction of rotation of crankshaft, air cleaner 29 and centre
Pipe portion 66 relatively moves, and middle tube portion 66 is vibrated along the direction of rotation of crankshaft as a result,.
And in the inlet duct of the present embodiment, middle tube portion 66 has from the side of middle tube portion 66 fixinig plate outstanding
66B, in the case where vehicle 1 seen from above, it is orthogonal in the horizontal plane with the orientation of multiple cylinders and pass through boss
On the virtual axis L of portion 66C, fixinig plate 66B is set to the side opposite with air cleaner 29 relative to middle tube portion 66
Side.
It, can thereby, it is possible to inhibit air cleaner 29 and middle tube portion 66 to relatively move on the direction of rotation of crankshaft
Middle tube portion 66 is fixed on air cleaner 29 with stable state.
Therefore, the detection accuracy for being set to the detecting element 69A of sensor 69 of middle tube portion 66 can be easily prevented from
Deteriorate.
In addition, middle tube portion 66 includes: straight line pipe portion 66S according to the inlet duct of the present embodiment, straight line is extended to
Shape；And curved sections of pipe 66R, it is bent at place on the upstream side than straight line pipe portion 66S to the direction far from air cleaner 29.
Moreover, fixinig plate 66B is set to straight line pipe portion 66S, fixinig plate 66A is from the swan-neck opposite with air cleaner 29
The side of portion 66R protrudes outward.
Moreover, boss portion 66E is clipped simultaneously on the extending direction of straight line pipe portion 66S by curved sections of pipe 66R and boss portion 66C
And it is set to the top of straight line pipe portion 66S.
The curved sections of pipe 66R setting with curved shape that thereby, it is possible to keep boss portion 66E high close to rigidity, therefore energy
Enough easily reduce the vibration of the straight line pipe portion 66R of the side curved sections of pipe 66R.Therefore, the periphery boss portion 66E can be easily reduced
Straight line pipe portion 66S vibration, can be easily prevented from detecting element 69A detection accuracy deteriorate.
In addition, the inlet duct of the present embodiment is set to the hair for having the diesel version of intercooler 34 and booster 32
Motivation 22, but also can be applied to the engine for being not provided with intercooler 34 and booster 32.
In this case, air inlet pipe connection inlet manifold and air cleaner, thus inlet manifold and air cleaner it
Between air inlet pipe constitute air inlet pipe of the invention.
Although disclosing the embodiment of the present invention, but it is clear that those skilled in the art can not depart from the scope of the present invention
It is changed on ground.All this modifications and equivalent are contained in claims by intention.
Claims (7)
1. a kind of inlet duct of internal combustion engine for vehicle, comprising:
Inlet manifold is set to the side of engine main body；
Air cleaner is set to the top of above-mentioned engine main body；And
The air sucked in above-mentioned air cleaner is imported into above-mentioned inlet manifold, above-mentioned internal combustion engine for vehicle by air inlet pipe
Inlet duct be characterized in that,
Above-mentioned air inlet pipe has: downstream side tube section extends from above-mentioned inlet manifold to above-mentioned air cleaner；And upstream side
Pipe portion extends from the upstream end of above-mentioned downstream side tube section to above-mentioned air cleaner,
Above-mentioned downstream side tube section has: air cleaner side fixed part is fixed on above-mentioned air cleaner；And inlet manifold
Side fixed part is fixed on above-mentioned inlet manifold,
On above-mentioned downstream side tube section is clipped and is fixed on by above-mentioned air cleaner and above-mentioned inlet manifold in the up-down direction
State air cleaner and above-mentioned inlet manifold.
2. the inlet duct of internal combustion engine for vehicle according to claim 1,
Above-mentioned downstream side tube section includes: the 1st downstream side tube section, is set to above-mentioned inlet manifold side；And the 2nd downstream side pipe
Portion is arranged between above-mentioned 1st downstream side tube section and above-mentioned upstream side tube section, and rigidity is greater than above-mentioned 1st downstream side tube section
Rigidity,
The downstream that above-mentioned 2nd downstream side tube section is arranged to above-mentioned 2nd downstream side tube section be located at it is skewed above upstream end,
Above-mentioned air cleaner side fixed part is set to the downstream end side of above-mentioned 2nd downstream side tube section, from above-mentioned 2nd downstream side pipe
The top in portion extends to above-mentioned air cleaner.
3. the inlet duct of internal combustion engine for vehicle according to claim 2,
Have the sensor of the detecting element of the state of the air flowed in above-mentioned downstream side tube section with detection,
Above-mentioned 2nd downstream side tube section includes element insertion section, wherein be inserted into above-mentioned detecting element so that above-mentioned detecting element with
The air contact flowed in the 2nd downstream side tube section；And sensor fixed part, it is fixed with the sensor,
Said elements insertion section is set to the side of above-mentioned air cleaner side fixed part relative to the sensor fixed part.
4. according to claim 2 or the inlet duct of internal combustion engine for vehicle as claimed in claim 3,
Above-mentioned downstream side tube section is disposed relative to the side of the above-mentioned air cleaner of the extending direction of above-mentioned downstream side tube section,
The upstream end of above-mentioned inlet manifold is connected with throttle body,
Above-mentioned 2nd downstream side tube section is set to the top of above-mentioned throttle body,
Above-mentioned 1st downstream side tube section is bent downwards from the downstream of above-mentioned 2nd downstream side tube section and is connected to above-mentioned solar term
The upstream end of door body.
5. according to claim 2 or the inlet duct of internal combustion engine for vehicle as claimed in claim 4,
Above-mentioned engine main body has the multiple cylinders to form a line,
Above-mentioned downstream side tube section extends along the orientation of above-mentioned multiple cylinders,
Above-mentioned inlet manifold side fixed part has the side protruding portion outstanding from above-mentioned 2nd downstream side tube section,
In the case where above-mentioned vehicle seen from above, orthogonal in the horizontal plane with the orientation of above-mentioned multiple cylinders and pass through
It crosses on the virtual axis of above-mentioned air cleaner side fixed part, above-mentioned protruding portion is set to relative to above-mentioned 2nd downstream side tube section
The side of the side opposite with above-mentioned air cleaner.
6. the inlet duct of internal combustion engine for vehicle according to claim 3,
Above-mentioned engine main body has the multiple cylinders to form a line,
Above-mentioned downstream side tube section extends along the orientation of above-mentioned multiple cylinders,
Above-mentioned inlet manifold side fixed part has the side protruding portion outstanding from above-mentioned 2nd downstream side tube section,
In the case where above-mentioned vehicle seen from above, orthogonal in the horizontal plane with the orientation of above-mentioned multiple cylinders and pass through
It crosses on the virtual axis of above-mentioned air cleaner side fixed part, above-mentioned protruding portion is set to relative to above-mentioned 2nd downstream side tube section
The side of the side opposite with above-mentioned air cleaner.
7. the inlet duct of internal combustion engine for vehicle according to claim 6,
Above-mentioned 2nd downstream side tube section includes: straight line pipe portion, is extended to linear；And curved sections of pipe, than above-mentioned straight line
Place is bent pipe portion to the direction far from above-mentioned air cleaner on the upstream side,
In the case where above-mentioned protruding portion is set as 1 protruding portion, above-mentioned 1st protruding portion is set to above-mentioned straight line pipe portion,
Above-mentioned inlet manifold side fixed part has outwardly projecting from the side of the curved sections of pipe opposite with above-mentioned air cleaner
2nd protruding portion,
The sensor fixed part is on the extending direction of above-mentioned straight line pipe portion by above-mentioned curved sections of pipe and above-mentioned air cleaner
Side fixed part clips and is set to the top of above-mentioned straight line pipe portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017190795A JP6610637B2 (en) | 2017-09-29 | 2017-09-29 | Intake device for internal combustion engine for vehicle |
| JP2017-190795 | 2017-09-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109578182A true CN109578182A (en) | 2019-04-05 |
| CN109578182B CN109578182B (en) | 2021-04-27 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811064627.8A Active CN109578182B (en) | 2017-09-29 | 2018-09-12 | Intake device for internal combustion engine for vehicle |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6610637B2 (en) |
| CN (1) | CN109578182B (en) |
| DE (1) | DE102018215485B4 (en) |
| FR (1) | FR3071884B1 (en) |
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| JP6773261B1 (en) | 2019-03-29 | 2020-10-21 | 三菱瓦斯化学株式会社 | Method for producing nitrile compound |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP6610637B2 (en) | 2019-11-27 |
| FR3071884A1 (en) | 2019-04-05 |
| DE102018215485B4 (en) | 2022-11-03 |
| JP2019065750A (en) | 2019-04-25 |
| DE102018215485A1 (en) | 2019-04-04 |
| CN109578182B (en) | 2021-04-27 |
| FR3071884B1 (en) | 2021-07-16 |
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