CN103174560B - Intake manifold - Google Patents
Intake manifold Download PDFInfo
- Publication number
- CN103174560B CN103174560B CN201210567807.4A CN201210567807A CN103174560B CN 103174560 B CN103174560 B CN 103174560B CN 201210567807 A CN201210567807 A CN 201210567807A CN 103174560 B CN103174560 B CN 103174560B
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- China
- Prior art keywords
- vacuum outlet
- gas
- intake manifold
- stream
- adjustment component
- Prior art date
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- 238000011144 upstream manufacturing Methods 0.000 claims description 15
- 238000000926 separation method Methods 0.000 claims description 5
- 238000007766 curtain coating Methods 0.000 abstract description 4
- 238000010304 firing Methods 0.000 description 11
- 239000000446 fuel Substances 0.000 description 11
- 239000000203 mixture Substances 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000037361 pathway Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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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
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/06—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding lubricant vapours
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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
- F02M35/10006—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
- F02M35/10026—Plenum chambers
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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
- F02M35/10209—Fluid connections to the air intake system; their arrangement of pipes, valves or the like
- F02M35/10222—Exhaust gas recirculation [EGR]; Positive crankcase ventilation [PCV]; Additional air admission, lubricant or fuel vapour admission
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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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a kind of intake manifold (100), it comprises blowby gas inlet (2) and vacuum outlet (3), and blow-by gas is imported by blowby gas inlet (2), and vacuum outlet (3) is communicated with Brake booster.Intake manifold (100) comprises the first adjustment component (41) further, and the first adjustment component (41) stops the described blow-by gas flowed into by described blowby gas inlet (2) to arrive described vacuum outlet (3) (being more properly negative pressure opening (31)).Described first adjustment component (41) is stretched along the curtain coating of the air inlet flowed in surge tank portion (4).
Description
Technical field
The present invention relates to a kind of intake manifold comprising blowby gas inlet and vacuum outlet, blow-by gas is imported by described blowby gas inlet, and described vacuum outlet is communicated with Brake booster.
Background technique
Usually, intake manifold comprises blowby gas inlet and vacuum outlet, and the blow-by gas produced within the engine is imported by described blowby gas inlet, and negative pressure is supplied to Brake booster, pressure switch etc. by vacuum outlet.
Disclosed the air inlet system of internal-combustion engine, it is included in the partition wall (with reference to No. 2003-254178th, Japanese Patent Application Publication (JP2003-254178A)) between blowby gas inlet and vacuum outlet.Be used herein in the air inlet system of internal-combustion engine, partition wall can stop the blow-by gas flowed into by blowby gas inlet to arrive vacuum outlet.In it is possible to prevent the moisture in blow-by gas from freezing and blocking vacuum outlet.
But, disclosed in JP2003-254178A in the air inlet system of internal-combustion engine because the interference of the stream of the air inlet from throttle-valve body to engine compartment divided wall, so there is the pressure loss.
Summary of the invention
The invention provides a kind of not interference intake stream and the intake manifold preventing vacuum outlet from getting clogged.
A scheme of the present invention relates to a kind of intake manifold, and it comprises blowby gas inlet and vacuum outlet, and blow-by gas is imported by described blowby gas inlet, and described vacuum outlet is communicated with Brake booster.Described intake manifold comprises the first adjustment component, and described first adjustment component stops described blow-by gas to arrive described vacuum outlet.Described first adjustment component is stretched along the curtain coating of the air inlet flowing into described intake manifold.
According to the intake manifold with above-mentioned structure, because the first adjustment component stops blow-by gas to arrive vacuum outlet, so can prevent vacuum outlet from getting clogged.In addition, because the first adjustment component is stretched along the curtain coating of the air inlet flowing to intake manifold, so the stream of air inlet does not disturb by the first adjustment component.
According in the intake manifold of such scheme, described vacuum outlet can be arranged on the downstream of the described blowby gas inlet of the described stream relative to described air inlet.
According to the intake manifold with above-mentioned structure, because vacuum outlet is arranged on the downstream of the blowby gas inlet of the stream relative to air inlet, so stably negative pressure can be extracted out from vacuum outlet.In addition, because blowby gas inlet is arranged on the upstream side of the stream relative to air inlet, so the blow-by gas flowed into by blowby gas inlet can be transported to cylinder roughly equably.
According in the intake manifold of such scheme, described first adjustment component can be the plate element opened with the region separation being formed with described vacuum outlet in the region being formed with described blowby gas inlet.
According to the intake manifold with above-mentioned structure, because the first adjustment component is the plate element opened with the region separation being formed with vacuum outlet in the region being formed with blowby gas inlet, so the first adjustment component with simple structure can be provided.
According in the intake manifold of such scheme, the cardinal extremity of described first adjustment component can be connected near be formed described vacuum outlet position position wall surface on, and described first adjustment component can protrude through in the stream of described air inlet.
According to the intake manifold with above-mentioned structure, because the cardinal extremity of the first adjustment component is connected on the close wall surface being formed with the position of the position of vacuum outlet, and the first adjustment component can protrude through in the stream of air inlet.So, intake manifold adjust with first the rigidity that part that component is connected has raising.
According in the intake manifold of such scheme, can adjust between component arrange the second adjustment component at described vacuum outlet and described first, described second adjustment component stops described blow-by gas to arrive described vacuum outlet.
According to the intake manifold with above-mentioned structure, adjust second between component and adjust component because be arranged on vacuum outlet and first and stop blow-by gas to arrive vacuum outlet, so can reliably prevent vacuum outlet from getting clogged.
According in the intake manifold of such scheme, described second adjustment component can be that the described stream relative to described air inlet is provided with the board member that the upstream side of the position of described vacuum outlet extends.
According to the intake manifold with above-mentioned structure, because the second adjustment component is that the described stream relative to described air inlet is provided with the board member that the upstream side of the position of vacuum outlet extends, so the second adjustment component with simple structure can be provided.
According in the intake manifold of such scheme, can arrange to flow near described blowby gas inlet and stop component, and described inflow stops component that the moisture in the described blow-by gas flowed into by described blowby gas inlet can be stoped to flow in the described stream of described air inlet.
According to the intake manifold with above-mentioned structure, the inflow being arranged on the vicinity of blowby gas inlet stops component to stop the moisture in the blow-by gas flowed into by blowby gas inlet to flow in the stream of air inlet.So, can reliably stop vacuum outlet to get clogged.
According in the intake manifold of such scheme, described inflow stops component can be following wall member: it is arranged on the downstream side of the stream of the described blow-by gas flowed into respect to described blowby gas inlet, and described wall member extends on the direction that the direction of the described stream with described blow-by gas is vertical.
According to the intake manifold with above-mentioned structure, flow into stop component be arranged on respect to blowby gas inlet flow into blow-by gas stream downstream side on and the wall member extended on the direction that the direction of the stream with blow-by gas is vertical.So, the inflow with simple structure can be provided to stop component.
According to the intake manifold of such scheme of the present invention, because the first adjustment component stops blow-by gas to arrive vacuum outlet, so can prevent vacuum outlet from getting clogged.In addition, because the first adjustment component is stretched along the curtain coating of the air inlet flowing into described intake manifold, so the stream of air inlet does not disturb by the first adjustment component.
Accompanying drawing explanation
Below with reference to accompanying drawings feature of the present invention, advantage and industrial technology meaning are described in the detailed description of exemplary embodiment of the present invention, reference character similar in accompanying drawing represents similar element, and wherein:
Fig. 1 is the front elevation of the example illustrated according to intake manifold of the present invention;
Fig. 2 is the tectonic maps of the example illustrating the mode that the blowby gas inlet shown in Fig. 1 is connected with motor;
Fig. 3 is the tectonic maps of the example illustrating the mode that the vacuum outlet shown in Fig. 1 is connected with Brake booster;
Fig. 4 A and Fig. 4 B is the side view of the intake manifold shown in Fig. 1;
Fig. 5 is the rear view of the intake manifold shown in Fig. 1;
Fig. 6 is the sectional view along the VI-VI line in Fig. 4 B of intake manifold;
Fig. 7 is the sectional view along the VII-VII line in Fig. 1 of intake manifold;
Fig. 8 is the sectional view along the VIII-VIII line in Fig. 5 of intake manifold;
Fig. 9 is the sectional view along the IX-IX line in Fig. 5 of intake manifold;
Figure 10 illustrates in figure 6 along adding the sectional view that second adjusts the example of component in the sectional view of VI-VI line; And
Figure 11 is the figure of the example of the section of the XI-XI line along Fig. 6 that intake manifold is shown.
Embodiment
With reference to the accompanying drawings intake manifold 100 is according to an embodiment of the invention described.
(total structure of intake manifold) first describes the total structure according to intake manifold of the present invention with reference to Fig. 1 and Fig. 5.Fig. 1 is the front elevation of the example illustrated according to intake manifold 100 of the present invention.Fig. 5 is the rear view of the intake manifold 100 shown in Fig. 1.As shown in Figure 1 and Figure 5, intake manifold 100 comprises air inlet introduction part 10, gas-entered passageway forming portion 1, blowby gas inlet 2, vacuum outlet 3 and surge tank portion 4.
Air inlet introduction part 10 is so a kind of openings: by throttle valve 64(with reference to Fig. 2) air inlet that supplies flows into surge tank portion 4 by described opening.
Gas-entered passageway forming portion 1 is so a kind of inlet air pathway: the air inlet sucked by air inlet introduction part 10 is via surge tank portion 4(reference Fig. 5) be supplied to motor 6 by described inlet air pathway.In this embodiment, because motor 6 comprises four cylinders (cylinder A to D) (with reference to Fig. 3), so gas-entered passageway forming portion 1 comprises gas-entered passageway forming portion 1A to 1D, air inlet is respectively supplied to cylinder A to the D of motor 6 by gas-entered passageway forming portion 1A to 1D.
Blowby gas inlet 2 is so a kind of openings: the blow-by gas produced in motor 6 is directed to the surge tank portion 4(of intake manifold 100 with reference to Fig. 5 by described opening) in.Reference Fig. 2 describes the mode that blowby gas inlet 2 is connected with motor 6 after a while.Term as used herein " blow-by gas " refers to by the piston 6b(of such as motor 6 with reference to Fig. 2) and cylinder between the unburned air and fuel mixture of clearance leakage.
Vacuum outlet 3 is openings of negative suction, and negative pressure is fed into Brake booster 72(with reference to Fig. 3).Reference Fig. 3 describes the mode that vacuum outlet 3 is connected with Brake booster 72 after a while.Although describe the situation that vacuum outlet 3 is connected with Brake booster 72 in this embodiment, vacuum outlet 3 can be connected with pressure switch or negative pressure pump.
Surge tank portion 4 is used as the groove temporarily storing the air inlet sucked by air inlet introduction part 10.The air inlet be stored in surge tank portion 4 is supplied in the cylinder (cylinder A to D) of motor 6 via gas-entered passageway forming portion 1.
Following reference Fig. 2 describes the structure of motor 6 and blow-by gas is fed to the path of blowby gas inlet 2 from motor 6.Fig. 2 is the tectonic maps of the example illustrating the mode that the blowby gas inlet 2 shown in Fig. 1 is connected with motor 6.
(motor) first describes the structure of motor 6 with reference to Fig. 2.Motor 6 is such as multi cylinder (being four-cylinder in this embodiment) petrol engines, and comprises the formation piston 6b of firing chamber 6a and the bent axle 65 as output shaft.Each piston 6b is attached to bent axle 65 via connecting rod 66.By connecting rod 66, the to-and-fro motion of piston 6b is converted to the rotary motion of bent axle 65.
Spark plug 63 is provided with in each firing chamber 6a of motor 6.The ignition timing of spark plug 63 is adjusted by igniter (not shown).Gas-entered passageway and exhaust passage are connected to each firing chamber 6a of motor 6.Suction valve 61 is set between each gas-entered passageway and corresponding firing chamber 6a.Allowed by the opening and closing of suction valve 61 and interrupt being communicated with between gas-entered passageway with firing chamber 6a.Outlet valve 62 is set between each exhaust passage and corresponding firing chamber 6a.Allowed by the opening and closing of outlet valve 62 and interrupt being communicated with between exhaust passage with firing chamber 6a.
Motor 6 has the gas-entered passageway being provided with throttle valve 64 grade.Throttle valve 64 adjustment enters the air inflow of motor 6.Sparger (Fuelinjection nozzle) 67 is set in each aforementioned gas-entered passageway.By petrolift, fuel (being gasoline in this embodiment) is fed to sparger 67 from fuel pot, and is injected fuel in gas-entered passageway by sparger 67.Fuel through spraying mixes to form air and fuel mixture with air inlet, and air and fuel mixture is directed in the firing chamber 6a of motor 6.The air and fuel mixture (fuel+air) be directed in the 6a of firing chamber is lighted by spark plug 63 and burns.When air and fuel mixture is lighted and is burnt in the 6a of firing chamber, piston 6b to-and-fro motion on the above-below direction of accompanying drawing, thus rotary crankshaft 65.
(blowby gas inlet) next describes path blow-by gas being fed to blowby gas inlet 2 from motor 6.On the top (in the cylinder head namely formed on the cylinder block 6c shown in Fig. 2) of motor 6, end cap 68 is set.By the unburned air and fuel mixture leaked from such as firing chamber 6a, i.e. " blow-by gas ", be stored in the blow-by gas room be formed in end cap 68.
In blow-by gas room in end cap 68, Pcv valve 8 is set, and is fed to the blowby gas inlet 2 of intake manifold 100 by blowby gas passage 81 from the blow-by gas that Pcv valve 8 discharges.
PCV(PositiveCrankcaseVentilation, positive crankcase ventilation (PCV)) valve 8 act as according to the differential pressure between the upstream side of blowby gas passage 81 and the downstream side of blowby gas passage 81 and the valve of the differential pressure operating valve operated, the upstream side of wherein said blowby gas passage 81 and the inside (blow-by gas room) of end cap 68, the part (being the inside in surge tank portion 4 as shown in Figure 5 in this embodiment) in the downstream in the downstream side of described blowby gas passage 81 and the direction along inlet stream of throttle valve 64.In other words, adjusted the flow being turned back to the blow-by gas in air inlet by blowby gas passage 81 according to differential pressure by Pcv valve 8.
(vacuum outlet) following reference Fig. 3 describes the mode that vacuum outlet 3 is connected with Brake booster 72.Fig. 3 is the tectonic maps of the example illustrating the mode that the vacuum outlet 3 shown in Fig. 1 is connected with Brake booster 72.First, the structure of braking system 7 is described with reference to Fig. 3.Braking system 7 comprises brake petal 71, Brake booster (negative pressure operating device) 72, master cylinder 73, one-way valve 74 etc.
Brake petal 71 is pressed down by driver with the pedal braked vehicle, and brake petal 71 is attached to the input lever (not shown) of Brake booster 72.Brake booster 72 is the devices producing the auxiliary force proportional with the pedal depression force being applied to brake petal 71 and comprise the negative pressure chamber's (not shown) be arranged on master cylinder 73 side.
Brake booster 72 comprises the take-off lever of the input shaft being attached to master cylinder 73.Master cylinder 73 produces hydraulic pressure according to the active force of the Brake booster 72 from reception pedal depression force and auxiliary force.Master cylinder 73 is attached to the wheel cylinder in the disk type braker mechanism of wheel via oil hydraulic circuit, and each wheel cylinder uses from the hydraulic pressure of master cylinder 73 to produce braking force.
The vacuum tube 3a be communicated with the vacuum outlet 3 of intake manifold 100 is connected to the negative pressure chamber of Brake booster 72, and arranges one-way valve 74 at the joint place be connected with negative pressure chamber of vacuum tube 3a.As intake manifold 100(especially surge tank portion 4) in the absolute value of negative pressure (intake pipe negative pressure) when being greater than negative pressure (absolute value) in the negative pressure chamber of Brake booster 72, one-way valve 74 is opened.So, in the negative pressure chamber of Brake booster 72, accumulate negative pressure.
(the first adjustment component) next describes the structure of intake manifold 100 with reference to Fig. 4 A and Fig. 4 B to Fig. 8.Fig. 4 A and Fig. 4 B is the side view of the intake manifold 100 shown in Fig. 1.Fig. 4 A is the left view of the intake manifold 100 shown in Fig. 1, and Fig. 4 B is the right elevation of the intake manifold 100 shown in Fig. 1.As shown in Figure 4 A and 4 B shown in FIG., intake manifold 100 is by forming gas-entered passageway forming portion 1(the chances are the left side of Fig. 4 B center line VI-VI) the right side of resin molded product and formation surge tank portion 4(the chances are Fig. 4 B center line VI-VI) resin molded product engage and formed.
Fig. 5 is the rear view of the intake manifold 100 shown in Fig. 1.As shown in Figure 5, motor below joint 11A to the 11D(that gas-entered passageway forming portion 1A to the 1D forming gas-entered passageway forming portion 1 has elliposoidal is respectively referred to as " motor joint 11 "), motor joint 11A to 11D is connected respectively to four cylinders (cylinder A to D) of motor 6.
Fig. 6 is the sectional view along VI-VI line in Fig. 4 B of intake manifold.Fig. 7 is the sectional view along the VII-VII line in Fig. 1 of intake manifold.As shown in Figure 6 and Figure 7, the first adjustment component 41 extends from the inner wall surface in surge tank portion 4.First adjustment component 41 stops the blow-by gas flowed out from blowby gas inlet 2 to arrive vacuum outlet 3.
Arrow V1 and V2 shown in Fig. 6 represents that inlet stream enters the direction in surge tank portion 4.Arrow V1 represents the direction of the inlet stream flowing at a high speed surge tank portion 4, and arrow V2 represents that low speed flows into the direction of the inlet stream in surge tank portion 4.Arrow V3 shown in Fig. 7 represents inlet stream from surge tank portion 4 to the direction of gas-entered passageway forming portion 1.In addition, what the arrow W shown in Fig. 6 represented blow-by gas flows through the direction that blowby gas inlet enters surge tank portion 4.Because as shown in the arrow W in Fig. 6, the first adjustment component 41 stops blow-by gas to arrive vacuum outlet 3, so can prevent vacuum outlet 3 from getting clogged.
In addition, as shown in Figure 6 and Figure 7, in the inwall in surge tank portion 4, form the blow-by gas opening 21 of blowby gas inlet 2 and the negative pressure opening 31 of vacuum outlet 3.
As shown in Figure 6, the first adjustment component 41 is along inlet stream (namely in Fig. 6 by the inlet stream shown in arrow V1 and the V2) extension in surge tank portion 4 flowing into intake manifold 100.First adjustment component 41 is separated in the space in surge tank portion 4 to be formed with blowby gas inlet 2(more properly for blow-by gas opening 21) region and to be formed with vacuum outlet 3(be more properly negative pressure opening 31) the plate element in region.
In addition, as shown in Figure 6, vacuum outlet 3(is more properly for negative pressure opening 31) to be arranged on relative to the blowby gas inlet 2(of inlet stream be more properly blow-by gas opening 21) downstream.
Because as mentioned above, the first adjustment component 41 be more properly surge tank portion 4 along flowing into intake manifold 100() inlet stream (that is, in Fig. 6 by the inlet stream shown in arrow V1 and V2) extend, disturb so inlet stream does not adjust component 41 by first.
In addition, because as mentioned above, vacuum outlet 3(is more properly negative pressure opening 31) to be arranged on relative to the blowby gas inlet 2(of inlet stream (namely in Fig. 6 by the inlet stream shown in arrow V1 and V2) be more properly blow-by gas opening 21) downstream, so stably negative pressure can be extracted out from vacuum outlet 3.In addition, because blowby gas inlet 2(is more properly blow-by gas opening 21) be arranged on relative to inlet stream (namely, by the inlet stream shown in arrow V1 and V2 in Fig. 6) upstream side, so by blowby gas inlet 2(more properly for blow-by gas opening 21) blow-by gas that flows into surge tank portion 4 can be transported to the cylinder of motor 6 (being cylinder A to D in this embodiment, reference Fig. 3) via gas-entered passageway forming portion 1A to 1D respectively roughly equably.
In addition, as mentioned above, first adjustment component 41 to be formed with blowby gas inlet 2(more properly for blow-by gas opening 21) region (namely, in figure 6, first adjustment component 41 below region) and be formed vacuum outlet 3(be more properly negative pressure opening 31) region (namely, in figure 6, the region above the first adjustment component 41) separated plate element.So, the prevention blow-by gas with simple structure can be provided to arrive the first adjustment component 41 of vacuum outlet 3.
Although in this embodiment, first adjustment component 41 to be formed with blowby gas inlet 2(more properly for blow-by gas opening 21) region and to be formed with vacuum outlet 3(be more properly negative pressure opening 31) the plate element opened of region separation, but the first adjustment component can be different form.Such as, the first adjustment component can be formed in surge tank portion 4 with the form stoping blow-by gas to arrive the board member of vacuum outlet 3.In this case, the first adjustment component is preferably bent along the inlet stream being flowed into surge tank portion 4 by air inlet introduction part 10.
Fig. 8 is the sectional view of intake manifold along the VIII-VIII line of Fig. 5, and Fig. 9 is the sectional view of intake manifold along the IX-IX line of Fig. 5.Fig. 8 is the sectional view that the intake manifold edge shown in Fig. 5 comprises the plane of vacuum outlet 3.Fig. 9 is the sectional view that the intake manifold edge shown in Fig. 5 comprises the plane of the blow-by gas opening 21 of blowby gas inlet 2.
In fig. 8, section 12A to 12D is the section along VIII-VIII line of gas-entered passageway forming portion 1A to 1D respectively.Similarly, in fig .9, section 13A to 13D is the section along IX-IX line of gas-entered passageway forming portion 1A to 1D respectively.
As apparent from Fig. 5, Fig. 8 and Fig. 9, space in surge tank portion 4 is separated into and is formed with blowby gas inlet 2(more properly for blow-by gas opening 21 by the first adjustment component 41) region (namely, region shown in Fig. 9) and be formed with vacuum outlet 3(more properly for negative pressure opening 31) region (that is, the region shown in Fig. 8).
In addition, as shown in Figure 8, the cardinal extremity of the first adjustment component 41 be connected to surge tank portion 4 near the inner wall surface at position of position of negative pressure opening 31 being formed with vacuum outlet 3, and the first adjustment component 41 is projected in the stream of the air inlet in surge tank portion 4.
Because as mentioned above, the cardinal extremity of the first adjustment component 41 be connected to surge tank portion 4 near the inner wall surface at position of position of negative pressure opening 31 being formed with vacuum outlet 3, and the first adjustment component 41 is projected in the stream of the air inlet in surge tank portion 4, so improve intake manifold 100 with the first rigidity adjusting the part (that is, the part of the negative pressure opening 31 of the vacuum outlet 3 in surge tank portion 4 is set) that component 41 is connected.
Although in this embodiment, first adjustment component 41 is projected in the stream of the air inlet in surge tank portion 4, but the two ends of the first adjustment component all can be connected to surge tank portion 4 to make the stream of the air inlet in the first adjustment component limit surge tank portion 4.In this case, the rigidity of the part that the first adjustment component connects is further increased.
(the second adjustment component) next describes the second adjustment component 5 with reference to Figure 10.Figure 10 illustrates in figure 6 along adding the sectional view that second adjusts the example of component 5 in the sectional view of VI-VI line.Intake manifold 100A shown in Figure 10 obtains referring to figs. 1 through in the intake manifold 100 described by Fig. 9 by being added to by the second adjustment component 5.
Second adjustment component 5 stop by blowby gas inlet 2(more properly for blow-by gas opening 21) to arrive vacuum outlet 3(be more properly negative pressure opening 31 for the blow-by gas that flows into surge tank portion 4).Second adjustment component 5 is arranged on vacuum outlet 3(more properly for negative pressure opening 31) and surge tank portion 4 between.
In addition, the second adjustment component 5 is more properly negative pressure opening 31 at the vacuum outlet 3(that is provided with relative to the inlet stream (Figure 10 to stream) from right to left in surge tank portion 4) position upstream side on the board member that extends.Specifically, the second adjustment component 5 is the board members in the region (that is, being provided with the region of the upstream side of the position of negative pressure opening 31) of extending the upstream side surrounding negative pressure opening 31 from the inner wall surface in surge tank portion 4.As shown in Figure 10, a part for the second adjustment component 5 at vacuum outlet 3(more properly for negative pressure opening 31) and the first region adjusting between component 41 in extend.
Because as mentioned above, at vacuum outlet 3(more properly for negative pressure opening 31) and first adjust arrange between component 41 second adjust component 5 to stop blow-by gas to arrive vacuum outlet 3(be more properly negative pressure opening 31), so can reliably prevent vacuum outlet 3 from getting clogged.
In addition, the second adjustment component 5 is more properly negative pressure opening 31 at the vacuum outlet 3(that is provided with relative to the inlet stream (Figure 10 to stream) from right to left in surge tank portion 4) position upstream side on the board member that extends.So it is more properly negative pressure opening 31 that the prevention blow-by gas with simple structure can be provided to arrive vacuum outlet 3() the second adjustment component 5.
Although in this embodiment, second adjustment component 5 is more properly negative pressure opening 31 at the vacuum outlet 3(that is provided with relative to the inlet stream (namely Figure 10 is to stream from right to left) in surge tank portion 4) position upstream side on the board member that extends, as long as but it stops blow-by gas arrival vacuum outlet, and 3(is more properly negative pressure opening 31), the second adjustment component can be any form.Such as, the second adjustment component can be the form of extending the Cylinder shape constructional element surrounding negative pressure opening 31 from the inner wall surface in surge tank portion 4.
(flow into and stop component) next describes to flow into reference to Figure 11 and stops component 211.Figure 11 illustrates the figure of intake manifold 100 along the example of the section of the XI-XI line of Fig. 6.The intake manifold 100B shown in Figure 11 is obtained by stoping component 211 to add in the intake manifold 100 described referring to figs. 1 through Fig. 9 by flowing into.
Figure 11 is the sectional view of the plane along the blow-by gas opening 21 comprising blowby gas inlet 2.As shown in figure 11, inflow stops component 211 to be arranged on blowby gas inlet 2(is more properly blow-by gas opening 21) near.Flow in the inlet stream (Figure 10 is to stream from right to left) stoping component 211 to stop the moisture in the blow-by gas flowed into by blowby gas inlet 2 to flow in surge tank portion 4.
In addition, as shown in figure 11, flow into and stop component 211 to be following wall members: it is arranged on the downstream side relative to the stream of the blow-by gas flowed into by blowby gas inlet 2 shown in arrow V4 in such as Figure 11, and described wall member extends on the direction that the direction (direction indicated by the arrow V4 of Figure 11) of the stream with blow-by gas is vertical.
Because as mentioned above, be arranged on blowby gas inlet 2(more properly for blow-by gas opening 21) the inflow of vicinity stop component 211, the moisture in the blow-by gas flowed into by blowby gas inlet 2 is stoped to flow in the inlet stream in surge tank portion 4, so can more reliably prevent vacuum outlet 3 from getting clogged.
In addition, flow into and stop component 211 to be arranged on the downstream side relative to the stream of the blow-by gas flowed into by blowby gas inlet 2 shown in arrow V4 in such as Figure 11, and the wall member extended on the direction that the direction (direction indicated by the arrow V4 of Figure 11) of the stream with blow-by gas is vertical.So, the inflow in the inlet stream in the moisture inflow surge tank portion 4 had in the prevention blow-by gas of simple structure can be provided to stop component 211.In other words, because when blow-by gas stops component 211 to collide with inflow, the moisture in blow-by gas is left in blowby gas inlet 2, so stop the moisture in blow-by gas to flow in surge tank portion 4.
Although in this embodiment, flow into and stop component 211 to be direction (the direction arrow V4 of Figure 11 indicated by) upper wall members of extending vertical in the direction of the stream with blow-by gas, as long as but it stops the moisture in blow-by gas to flow in the inlet stream in surge tank portion 4, flows into and stops component can be any form.Such as, the filter stoping component can comprise the moisture in the blow-by gas removed and flowed into by blowby gas inlet 2 is flowed into.
(other embodiments) is although in this embodiment, blow-by gas flows in blowby gas inlet 2 via the Pcv valve 8 be arranged in the end cap 68 of motor 6 and blowby gas passage 81, but blow-by gas can flow in blowby gas inlet 2 via different paths.
Although in this embodiment, vacuum outlet 3 is connected to Brake booster 72, and vacuum outlet 3 can be connected to different devices (such as, pressure switch or negative pressure pump).Although arrange a vacuum outlet 3 in this embodiment, multiple vacuum outlet can be set.
Although in this embodiment, motor 6 has four cylinders (cylinder A to D), and motor 6 can have the cylinder of any multiple number.It should be noted, the number of the gas-entered passageway of gas-entered passageway forming portion 1 is identical with the number of cylinder in motor 6.
The present invention can be applicable to the intake manifold comprising blowby gas inlet and vacuum outlet, and blow-by gas is imported by described blowby gas inlet, and described vacuum outlet is communicated with Brake booster.
Claims (9)
1. an intake manifold, it comprises air inlet introduction part (10), surge tank portion (4) and the multiple gas-entered passageway forming portions (1) with the spread configuration accordingly of each in each cylinder, the air inlet be imported into from described air inlet introduction part (10) flows into gas-entered passageway forming portion (1) described in each via described surge tank portion (4), and blowby gas inlet (2) and vacuum outlet (3) is formed respectively on described surge tank portion (4), blow-by gas is imported by described blowby gas inlet (2), described vacuum outlet (3) is communicated with Brake booster, the feature of described intake manifold is:
In described surge tank portion (4), possess the first adjustment component (41), it stops described blow-by gas to arrive described vacuum outlet (3),
One ora terminalis of described first adjustment component (41) is positioned at following position, namely, this position and the stream of the air inlet flowed in described surge tank portion (4) from described air inlet introduction part (10) become with in this surge tank portion (4) along compared with the upstream extremity position in the region of the stream of the orientation of gas-entered passageway forming portion (1) described in each closer to the downstream side of the described stream of described air inlet, and the upstream side closer to the described stream of described air inlet compared with described blowby gas inlet (2) and the respective forming position of described vacuum outlet (3) in this orientation,
Described first adjustment component (41), from the position of a described ora terminalis, extends with the direction of the mode region being formed with described blowby gas inlet (2) and the region separation being formed with described vacuum outlet (3) opened along the described stream of described air inlet.
2. intake manifold according to claim 1, wherein, described vacuum outlet (3) is arranged on the downstream of the described blowby gas inlet (2) relative to the described stream of described air inlet.
3. intake manifold according to claim 1 and 2, wherein, described first adjustment component (41) is the plate element opened with the region separation being formed with described vacuum outlet (3) in the region being formed with described blowby gas inlet (2).
4. intake manifold according to claim 3, wherein, the cardinal extremity of described first adjustment component (41) is connected on the close wall surface being formed with the position of the position of described vacuum outlet (3), and described first adjustment component (41) is projected in the stream of described air inlet.
5. intake manifold according to claim 1, wherein, adjust between component (41) at described vacuum outlet (3) and described first and arrange the second adjustment component (5), described second adjustment component (5) stops described blow-by gas to arrive described vacuum outlet (3).
6. intake manifold according to claim 5, wherein, described second adjustment component (5) is that the described stream relative to described air inlet is provided with the board member that the upstream side of the position of described vacuum outlet (3) extends.
7. intake manifold according to claim 6, wherein, described second adjustment component (5) is extended from wall surface, to surround the region being provided with the described upstream side of the described position of described vacuum outlet (3) of the described stream relative to described air inlet.
8. intake manifold according to claim 1, wherein, arrange to flow near described blowby gas inlet (2) and stop component (211), and described inflow stops component (211) to stop the moisture in the described blow-by gas flowed into by described blowby gas inlet (2) to flow in the described stream of described air inlet.
9. intake manifold according to claim 8, wherein, described inflow stops component (211) to be following wall member: it is arranged on the downstream side of the stream of the described blow-by gas flowed into respect to described blowby gas inlet (2), and described wall member extends on the direction that the direction of the described stream with described blow-by gas is vertical.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-283545 | 2011-12-26 | ||
| JP2011283545A JP5814106B2 (en) | 2011-12-26 | 2011-12-26 | Intake manifold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103174560A CN103174560A (en) | 2013-06-26 |
| CN103174560B true CN103174560B (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210567807.4A Expired - Fee Related CN103174560B (en) | 2011-12-26 | 2012-12-24 | Intake manifold |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5814106B2 (en) |
| CN (1) | CN103174560B (en) |
| DE (1) | DE102012024535B4 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615296B (en) * | 2013-11-29 | 2016-02-24 | 长城汽车股份有限公司 | The intake manifold of integrated oil-gas separation device and Pcv valve and motor and automobile |
| JP6639215B2 (en) * | 2015-12-15 | 2020-02-05 | 株式会社マーレ フィルターシステムズ | Intake manifold |
| JP2018091310A (en) * | 2016-12-07 | 2018-06-14 | トヨタ自動車株式会社 | Intake manifold of internal combustion engine |
| JP2019044748A (en) * | 2017-09-07 | 2019-03-22 | トヨタ自動車株式会社 | Air intake device |
| JP2024000723A (en) | 2022-06-21 | 2024-01-09 | トヨタ自動車株式会社 | Intake manifold |
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| CN101680399A (en) * | 2007-06-15 | 2010-03-24 | 丰田自动车株式会社 | Waterproof connecting structure for pipe |
| WO2011092972A1 (en) * | 2010-01-28 | 2011-08-04 | アイシン精機株式会社 | Intake manifold |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8221455U1 (en) * | 1982-07-28 | 1982-11-18 | Passavant-Werke AG & Co KG, 6209 Aarbergen | BALANCE TRUETTLER |
| JPS5952068U (en) * | 1982-09-29 | 1984-04-05 | 富士重工業株式会社 | Intake structure of engine with electronically controlled fuel injection device |
| JPH0640352U (en) * | 1992-11-05 | 1994-05-27 | 愛知機械工業株式会社 | air cleaner |
| JP4089008B2 (en) * | 1998-04-27 | 2008-05-21 | 株式会社デンソー | Blow-by gas reduction structure |
| JP2000205064A (en) * | 1999-01-07 | 2000-07-25 | Nissan Diesel Motor Co Ltd | Intake duct structure for internal combustion engine |
| JP3505431B2 (en) * | 1999-05-12 | 2004-03-08 | 小島プレス工業株式会社 | VSV port water entry prevention structure |
| JP4442740B2 (en) * | 2000-10-17 | 2010-03-31 | ヤマハ発動機株式会社 | Ship propulsion unit intake system |
| JP3915550B2 (en) * | 2002-02-28 | 2007-05-16 | 株式会社デンソー | Intake device for internal combustion engine |
| JP4015475B2 (en) * | 2002-06-07 | 2007-11-28 | 本田技研工業株式会社 | Engine blow-by gas processing equipment |
| JP4088505B2 (en) * | 2002-10-03 | 2008-05-21 | トヨタ自動車株式会社 | Structure for preventing water entry in intake negative pressure extraction part of intake system of internal combustion engine |
| JP4422654B2 (en) * | 2005-08-02 | 2010-02-24 | トヨタ自動車株式会社 | Intake manifold |
| JP4781210B2 (en) * | 2006-09-15 | 2011-09-28 | トヨタ自動車株式会社 | Surge tank gas introduction device |
-
2011
- 2011-12-26 JP JP2011283545A patent/JP5814106B2/en active Active
-
2012
- 2012-12-14 DE DE102012024535.1A patent/DE102012024535B4/en not_active Expired - Fee Related
- 2012-12-24 CN CN201210567807.4A patent/CN103174560B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101680399A (en) * | 2007-06-15 | 2010-03-24 | 丰田自动车株式会社 | Waterproof connecting structure for pipe |
| WO2011092972A1 (en) * | 2010-01-28 | 2011-08-04 | アイシン精機株式会社 | Intake manifold |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013133723A (en) | 2013-07-08 |
| CN103174560A (en) | 2013-06-26 |
| DE102012024535A1 (en) | 2013-06-27 |
| DE102012024535B4 (en) | 2015-10-22 |
| JP5814106B2 (en) | 2015-11-17 |
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