CN106321300A - Engine air inlet pipe and engine system - Google Patents

Engine air inlet pipe and engine system Download PDF

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Publication number
CN106321300A
CN106321300A CN201510330460.5A CN201510330460A CN106321300A CN 106321300 A CN106321300 A CN 106321300A CN 201510330460 A CN201510330460 A CN 201510330460A CN 106321300 A CN106321300 A CN 106321300A
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China
Prior art keywords
air inlet
elastic
inlet tube
engine air
engine
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CN201510330460.5A
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Chinese (zh)
Inventor
彦斯·贝肯
丁力·罗伯特
胡壮丰
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Qoros Automotive Co Ltd
Ooros Automotive Co Ltd
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Ooros Automotive Co Ltd
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Priority to CN201510330460.5A priority Critical patent/CN106321300A/en
Publication of CN106321300A publication Critical patent/CN106321300A/en
Pending legal-status Critical Current

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Abstract

The invention discloses an engine air inlet pipe. An elastic part is arranged at the bottom of the engine air inlet pipe. The elastic part generates form changes according to the changes of the difference of the pressure inside and outside the engine air inlet pipe, and crushing force is accordingly applied to ice blocks accumulated on the elastic part. The invention further discloses an engine system provided with the engine air inlet pipe. The engine air inlet pipe can effectively crush the ice blocks accumulated to be in large size into small-size ice blocks, and therefore the phenomenon that normal work of other parts of an engine is hindered when the kind of ice blocks get away from the air inlet pipe is avoided, and the running stability and safety of the engine are better ensured. The engine system is good in running stability, high in safety coefficient and long in service life.

Description

A kind of engine air inlet tube and engine system
Technical field
The present invention relates to a kind of gas transmission pipeline, particularly relate to a kind of admission line for electromotor. The invention still further relates to a kind of engine system.
Background technology
The combustion process of car combustion engine can cause some gases (include the lubricating oil of combustion product and vaporization, It is referred to as blowing gas leakage) entered in crankcase by by-passing around plunger ring.These gases eventually pass through PCV system (Positive Crankcase Ventilation, PVC) is from the top of electromotor Area alignment is in gas handling system.After this is blown gas leakage and is mixed by the regular air of electromotor, subsequently Combustion process in burn, with guarantee to blow residual in gas leakage, unburnt Hydrocarbon fully burn, Thus reduce the noxious pollutant of electromotor.This blows gas leakage and includes substantial amounts of steam, and it is that burning is produced Raw Main By product.
The PCV system of turbocharged engine generally includes two positive crankcase ventilation (PCV) roads Footpath.Wherein, first path to inlet manifold, works as inlet manifold from electromotor (generally from camshaft cover) In pressure less than electromotor crankcase in pressure time, use this first path;Second path is from sending out Motivation is to being arranged at the air induction conduit before turbocharger, when air inlet boosting comes from turbocharger and works as When pressure in inlet manifold is higher than the pressure in the crankcase of electromotor, use this second path.Upper In the case of stating, the pressure being arranged in the air induction conduit before turbocharger is less than the pressure in crankcase. Therefore, at low temperatures, often accumulate in engine air inlet tube by blowing the big ice that gas leakage condensation is formed Block, the normal work of associated components can be adversely affected by these bergs.
Fig. 1 and Fig. 2 respectively illustrates and blowing gas leakage at low temperatures and condense in engine air inlet tube and form The schematic diagram of berg, Fig. 3 and Fig. 4 then respectively illustrates the berg shown in Fig. 1 and Fig. 2 and leaves View during admission line.
As depicted in figs. 1 and 2, in the case of extreme cold, blow gas leakage from what admission line 21 passed through A often condenses the little ice pellets of formation, and these little ice pellets are eventually build up to the bottom of admission line 21, further Form berg b.As shown in Figure 3 and Figure 4, once these bergs b under the drive of air-flow from entering When feed channel 21 is left, other associated components will be adversely affected, such as, it is likely that can hinder Disconnected choke valve.More seriously, the berg b that some volume is bigger can lock throttle plate so that joint Stream valve plate can not be opened, and even affects the cornering ability of automobile, and hinders the safety traffic of automobile.
For the PCV system of turbocharged engine, the secondary road of this ventilating system Footpath makes to blow and leaks gas by main gas handling system, and this main gas handling system includes that charger-air cooler is (middle cold But device) and the various piece of air induction conduit.Owing to these blow the existence of gas leakage so that before throttle plate There may be substantial amounts of moisture, and ice cube can be become by condensing, freezing subsequently.It addition, these moisture can also lead to Cross main air inlet to enter in gas handling system, thus also can affect the cornering ability of automobile, and cause vapour The problem of car safety traffic.In sum, steam can be by main air inlet entrance gas handling system Cause the reason place of above-mentioned situation.
To this end, enterprise need badly want a kind of can be effectively prevented in admission line gather berg device or Method.
Summary of the invention
It is an object of the invention to provide a kind of engine air inlet tube, this air inlet pipe can be by cold in air inlet pipe Agglutinate and be polymerized to the bigger ice cube of volume and be broken into the ice cube of small volume, to be effectively prevented water ice clotting Gather in air inlet pipe, thus avoid this type of ice cube to hinder the miscellaneous part of electromotor when leaving air inlet pipe Normal work, and then advantageously ensure stability and the safety of electromotor operation.It addition, institute of the present invention The air inlet pipe stated relies on the structure design of self, in the case of without additionally arranging other equipment, with regard to energy Enough ice cubes that effectively ice cube bigger for volume is broken into small volume.
According to the above-mentioned purpose of the present invention, the present invention proposes a kind of engine air inlet tube, and this electromotor enters The bottom of trachea has elastic, and elastic becomes according to the pressure differential in the pipe of engine air inlet tube and outside pipe Change and metamorphosis occurs, to apply crushing force to the ice cube accumulated in elastic.
In the inventive solutions, the bottom of air inlet pipe being provided with elastic, this elastic is permissible Deform upon according to the pressure differential change in the pipe of engine air inlet tube and outside pipe, with to accumulating in elastic On the bigger ice cube of volume apply active force, thus be broken into the ice cube of small volume, even Ice pellets.Owing to this elastic is in the bottom (i.e. position in air inlet pipe is relatively low) of air inlet pipe, because of This, gas (such as, blow gas leakage) is very easy to condense at elastic, and finally condenses into water ice Block.The operation principle of the broken ice cube of this elastic is: when the pressure differential in the pipe of air inlet pipe and outside pipe is sent out During changing, elastic can deform upon under the effect of pressure differential, such as, during electromotor work, enters Make air inlet pipe air pressure inside less than air inlet pipe external pressure because of the flowing of air during trachea air inlet so that bullet Property portion is to the pipe internal projection of air inlet pipe;And when the vehicle accelerates, a large amount of air inlet of air inlet pipe so that gas in pipe Pressure raises, and when intraductal atmospheric pressure is higher than tube pressure, elastic again can be to pipe outer lug;Travel at vehicle During, the plus-minus change of speed all can make the air pressure in air inlet pipe change, thus causes elastic To pipe internal projection or to pipe outer lug, thus apply active force to the bulk ice cube accumulated in elastic, And then bulk ice cube is broken into fritter ice cube, to prevent gas from freezing to form one at air inlet pipe pipe inner bottom part The ice cube that monoblock volume is bigger.The ice cube of these small volumes after crushing is when leaving bottom air inlet pipe Be also easier to melt, thus, the ice cube of these small volumes after leaving air inlet pipe without interference with dependent part The normal work of part, such as, will not block the unlatching of choke valve.
Here, above-mentioned pressure differential refers to the difference of the interior suffered gas pressure outer with pipe of pipe of air inlet pipe, This difference can be on the occasion of, it is also possible to be negative value.
It should be noted that in the technical program, so-called " bottom of engine air inlet tube " refers to send out The tube wall part below axis in motivation air inlet pipe pipe, is not limited only in engine air inlet tube pipe The tube wall part of lower.
Under some embodiments, above-mentioned elastic is continuously provided in the bottom of engine air inlet tube.
Produced by the elastic that the bottom of engine air inlet tube is continuously provided for crushing the work of ice cube Bigger, so that bulk ice cube can be fractured into the ice cube that volume is less.
Further, in engine air inlet tube of the present invention, above-mentioned elastic is provided with some The flank protruding to engine air inlet tube inner space, if to form dry ice in the bottom of engine air inlet tube Block trapping space.
In technique scheme, elastic is provided with some convex to engine air inlet tube inner space The flank risen, whole piece larger space is divided into several less spaces by this flank, will be in air inlet pipe The bottom arranging elastic is separated into some less ice cube trapping spaces, exists so that blowing the gases such as gas leakage The ice cube of some small volumes (such as, long slice shape) it is frozen at the elastic of air inlet pipe, these The ice cube of small volume is more prone to be broken when elastic applies active force to it, thus further Prevent from blowing the gases such as gas leakage to freeze in the bottom of air inlet pipe inwall to form the ice cube that a monoblock volume is bigger.
Additionally, the technical scheme being more highly preferred to is, the length direction of the above-mentioned flank being arranged in elastic Can be basically identical with the direction of gas flowing in engine air inlet tube.It is to say, be made up of flank Trapping space in the direction base that flows with gas in engine air inlet tube of the length direction of ice cube that formed This holding is consistent, and the impact that this setup makes the flank of projection circulate gas in air inlet pipe is less.
If by basically identical with the direction of gas flowing in engine air inlet tube for the length direction of above-mentioned flank Set-up mode be referred to as the vertically arranged of flank, then as required, in other some embodiments, Flank can also be set to laterally in (direction that the length direction of flank is perpendicular to gas flowing) or tiltedly To (length direction of flank has acute angle with the direction of gas flowing), certainly, horizontal or oblique Set-up mode compares to vertically arranged flank, can circulate the gas in air inlet pipe and produce certain impact.
Further, in engine air inlet tube of the present invention, above-mentioned elastic includes some being divided The elastic region being spaced apart.
Under other embodiment, elastic includes some elastic regions being separated setting. The embodiment being continuously provided in the bottom of engine air inlet tube relative to elastic, this embodiment party In formula, the elastic region that elastic is arranged is discontinuous, say, that elastic has elastic Region and region, non-resilient portion.
Further, the above-mentioned elastic in engine air inlet tube of the present invention is according to engine charge Pressure differential change in the pipe of pipe and outside pipe is broken to for ice cube from the first metamorphosis gathered for ice cube The second broken form.
In the course of normal operation of electromotor, the pressure difference value in its pipe and outside pipe always can be along with its work Making what process constantly changed, thus, the form of elastic becomes as well as the change of pressure Change.
Under some embodiments, in engine air inlet tube of the present invention, above-mentioned first form is Elastic is towards the internal protrusion of engine air inlet tube, and above-mentioned second form is that elastic is entered towards electromotor The outer projection of trachea.
When the pressure in air inlet pipe pipe is less than the pressure outside air inlet pipe pipe, it is arranged at the bottom of air inlet pipe of the present invention The elastic in portion be by air inlet pipe bottom outer wall inward wall protruding.Based on technique scheme, at this Elastic under the state of kind is in its first form, i.e. convex towards the inside of engine air inlet tube when elastic When rising, gas condensing, freezing at elastic becomes large volume of ice cube.
When the pressure in air inlet pipe pipe is higher than the pressure outside air inlet pipe pipe, it is arranged at the bottom of air inlet pipe of the present invention The elastic in portion be by air inlet pipe bottom inwall outer wall protruding.Based on technique scheme, at this Elastic under the state of kind is in its second form, i.e. convex towards the outside of engine air inlet tube when elastic When rising, the condensing, freezing large volume of ice cube at elastic is fractured into volume relatively under external force Little ice cube.
On the other side, under other embodiment, above-mentioned first form is that elastic is towards starting The outer projection of machine air inlet pipe, above-mentioned second form is the elastic internal protrusion towards engine air inlet tube.
When the pressure in air inlet pipe pipe is higher than the pressure outside air inlet pipe pipe, it is arranged at the bottom of air inlet pipe of the present invention The elastic in portion be by air inlet pipe bottom inwall outer wall protruding.Based on above technical scheme, at this Elastic under the state of kind is in its first form, i.e. convex towards the outside of engine air inlet tube when elastic When rising, gas condensing, freezing at elastic becomes large volume of ice cube.
When the pressure in air inlet pipe pipe is less than the pressure outside air inlet pipe pipe, it is arranged at the bottom of air inlet pipe of the present invention The elastic in portion be by air inlet pipe bottom outer wall inward wall protruding.Based on above technical scheme, at this Elastic under the state of kind is in its second form, i.e. convex towards the inside of engine air inlet tube when elastic When rising, the condensing, freezing large volume of ice cube at elastic is fractured into volume relatively under external force Little ice cube.
Owing to the pressure in engine tube and outside pipe constantly can change along with the progress of work of electromotor, Therefore, the elastic in engine air inlet tube also can switch, the most in fact between the first form and the second form The state that existing gas condenser freezes at elastic is fractured into fritter under external force with bulk ice cube Switching between the state of ice cube, thus, reaches bulk ice cube and is broken into the purpose of fritter ice cube.
Further, in engine air inlet tube of the present invention, above-mentioned elastic is polyethylene elastomer Portion or polypropylene elastic.
Here, the advantage in polyethylene elastomer portion is: possess excellent resistance to low temperature, good chemistry Stability and the acid-alkali-corrosive-resisting of excellence.Additionally, the electric insulation of the elastic being made up of polythene material Property is good.
Additionally, the impact property of elastic using polypropylene material to make is good, high temperature resistant and corrosion-resistant.
In consideration of it, the elastic being made up of above-mentioned material is suitable for the harsh environment in engine air inlet tube Under work long hours, its service life is long.
Further, in engine air inlet tube of the present invention, above-mentioned elastic is elastica, with Facilitate implementation the structure of modification of engine air inlet tube.
Another object of the present invention is to provide a kind of engine system.This engine system can be by by gas The bulk ice cube that body condensing, freezing is formed becomes small volume, it is easy to broken ice cube, will not be to electromotor The operation of interior miscellaneous part impacts, thus ensure that the stable operation of engine system.
Another object based on the technical program, engine system provided by the present invention has such as institute above Any one engine air inlet tube mentioned.
In the case of without additionally arranging other equipment, engine air inlet tube of the present invention can be by The ice cube that in air inlet pipe, condensation accumulation becomes volume bigger is broken into the ice cube of small volume, to be effectively prevented Water ice clotting gathers in air inlet pipe, thus avoids this type of ice cube to hinder electromotor when leaving air inlet pipe The normal work of miscellaneous part, and then advantageously ensure stability and the safety of electromotor operation.
It addition, the simple in construction of engine air inlet tube of the present invention, convenient processing and manufacture, it is easy to real Now transform.
Additionally, due to do not interfere with the work shape of electromotor after using engine air inlet tube of the present invention State, it is therefore not necessary to carry out any calibration or verification for electromotor.
For engine system of the present invention, the bulk formed due to the condensing, freezing because of gas Ice cube can be fractured into small volume, the ice cube being easily broken, therefore, will not to in-engine its He impacts in the operation of parts, (such as, do not interfere with the unlatching of throttle plate and block choke valve), Therefore the good operation stability of this engine system, safety coefficient height and service life are long.
Accompanying drawing explanation
Fig. 1 shows that blowing gas leakage condensation accumulation in admission line at low temperatures forms the shape of berg State schematic diagram.
Fig. 2 is the sectional view at A-A of the admission line in Fig. 1.
Fig. 3 shows and blowing the shape when berg that gas leakage condensation accumulation becomes leaves admission line shown in Fig. 1 State schematic diagram.
Fig. 4 is the sectional view at A '-A ' place of the admission line in Fig. 3.
Fig. 5 is the engine air inlet tube of the present invention structural representation under a kind of embodiment.
Fig. 6 is the sectional view at B-B of the engine air inlet tube shown in Fig. 5.
Fig. 7 is that corresponding diagram 5 show schematically show ice cube and leaves the state diagram of elastic.
Fig. 8 is the sectional view at B '-B ' place of the engine air inlet tube shown in Fig. 7.
Fig. 9 is the engine air inlet tube of the present invention structural representation under another embodiment.
Figure 10 is the sectional view at C-C of the engine air inlet tube shown in Fig. 9.
Figure 11 is that corresponding diagram 9 show schematically show ice cube and leaves the state diagram of elastic
Figure 12 is the sectional view at C '-C ' place of the engine air inlet tube shown in Figure 11.
Figure 13 is the engine air inlet tube of the present invention structural representation under another embodiment.
Figure 14 is the sectional view at D-D of the engine air inlet tube shown in Figure 13.
Figure 15 correspondence Figure 13 and Figure 14 show schematically show gas and be condensed into after liquid in elastic Ice cube trapping space in freeze accumulation process.
Figure 16 is the shape that corresponding Figure 13 show schematically show that ice cube leaves the ice cube trapping space of elastic State figure
Figure 17 is the sectional view at D '-D ' place of the engine air inlet tube shown in Figure 16.
Detailed description of the invention
Come engine air inlet tube of the present invention below in conjunction with Figure of description and specific embodiment And engine system describes in detail further, but this detailed description does not constitute the limit to the present invention System.
Fig. 5 to Fig. 8 respectively illustrates engine air inlet tube of the present invention under a kind of embodiment Structure and state.
As shown in Fig. 5 to Fig. 8, along the flow direction X of gas a, this engine air inlet tube 10 has Air inlet port 11 and air outlet 12, gas a enters from air inlet port 11 along with flow direction X, from Air outlet 12 is left, and is continuously provided flexible portion 13, this bullet in the bottom of engine air inlet tube 10 Property portion 13 can according to engine air inlet tube 10 pipe in and pipe outside pressure differential change occur to pipe convex Rise or to pipe outer lug, such as, electromotor work time, during air inlet pipe air inlet because of the flowing of air make into Pipe air pressure is less than air inlet pipe external pressure so that elastic 13 is to air inlet pipe 10 pipe internal projection. And when the vehicle accelerates, a large amount of air inlet of air inlet pipe 10 so that intraductal atmospheric pressure raises, when intraductal atmospheric pressure is higher than During tube pressure, elastic 13 is to pipe outer lug.In vehicle travel process, the plus-minus of speed changes all Air inlet pipe 10 internal gas pressure can be made to change, cause elastic 13 to pipe internal projection or to pipe outer lug, Thus apply active force to condensing, freezing bulk ice cube b in elastic 13, thus it is broken into little The ice cube b ' of block.
Please continue to refer to Fig. 5 and Fig. 6, when the pressure in engine air inlet tube 10 pipe is less than engine charge During pressure outside pipe 10 pipe, above-mentioned elastic 13 be by air inlet pipe 10 bottom outer wall inward wall protruding, Elastic 13 in this state is in its first form, and i.e. elastic 13 is towards engine air inlet tube The internal protrusion of 10, now, gas a can become large volume of ice cube b by condensing, freezing at elastic 13.
Please continue to refer to Fig. 7 and Fig. 8, when the pressure in engine air inlet tube 10 pipe is higher than engine charge During pressure outside pipe 10 pipe, above-mentioned elastic 13 be by air inlet pipe 10 bottom inwall outer wall protruding, Elastic 13 in this state is in its second form, and i.e. elastic 13 is towards engine air inlet tube The outer projection of 10, now, the condensing, freezing large volume of ice cube b at elastic 13 is in external force It is fractured into the ice cube b ' of small volume under effect, and under the drive of air-flow a, leaves elastic 13, Thus avoid electromotor associated components is had a negative impact.
Additionally, discontinuous elastic can also be provided with in the bottom of engine air inlet tube, say, that Elastic can include some elastic regions and region, some non-resilient portions, wherein, each elastic region Take the set-up mode being separated.
Fig. 9 to Figure 12 respectively illustrates engine air inlet tube of the present invention under another embodiment Structure and state.
As shown in Fig. 9 to Figure 12, along the flow direction X of gas a, this engine air inlet tube 10 has Having air inlet port 11 and air outlet 12, gas a enters from air inlet port 11 along with flow direction X, Leave from air outlet 12, be continuously provided flexible portion 13 in the bottom of engine air inlet tube 10, should Elastic 13 can occur in pipe according to the pressure differential change in the pipe of engine air inlet tube 10 and outside pipe Protruding or to pipe outer lug, to apply active force to condensing, freezing bulk ice cube b in elastic 13, Thus it is broken into the ice cube b ' of fritter.
Continuing with Fig. 9 and Figure 10, when the pressure in engine air inlet tube 10 pipe is higher than engine air inlet tube During pressure outside 10 pipes, above-mentioned elastic 13 be by air inlet pipe 10 bottom inwall outer wall protruding, Elastic 13 in this state is in its first form, and i.e. elastic 13 is towards engine air inlet tube The outer projection of 10, now, gas a can become large volume of ice cube b by condensing, freezing at elastic 13.
Continuing with Figure 11 and Figure 12, when the pressure in engine air inlet tube 10 pipe is less than engine air inlet tube During pressure outside 10 pipes, above-mentioned elastic 13 be by air inlet pipe 10 bottom outer wall inward wall protruding, Elastic 13 in this state is in its second form, and i.e. elastic 13 is towards engine air inlet tube The internal protrusion of 10, now, the condensing, freezing large volume of ice cube b at elastic 13 is in external force It is fractured into the ice cube b ' of small volume under effect, and under the drive of air-flow a, leaves elastic 13, Thus avoid electromotor associated components is had a negative impact.
Figure 13 to Figure 17 respectively illustrates engine air inlet tube of the present invention at another embodiment Under structure and state.
As shown in Figure 13 to Figure 17, along the flow direction X of gas a, this engine air inlet tube 10 Having air inlet port 11 and air outlet 12, gas a enters from air inlet port 11 along with flow direction X, Leave from air outlet 12, be continuously provided elastic 13 in the bottom of engine air inlet tube 10.Additionally, Elastic 13 is provided with some flanks 15 protruding to engine air inlet tube 10 inner space, to send out If dry ice lumps trapping space 14 is formed on the bottom of motivation air inlet pipe 10.Although it should be noted that Figure 14 It is three with the number of the flank 15 shown in Figure 17, but it is the most schematically described, and not represents rib Portion 15 is only set to three, and those skilled in the art can be arranged as required to the quantity of flank.Separately Outward, in the above-described embodiments, the length direction of flank 15 and gas a flow direction in engine air inlet tube Y keeps consistent substantially, and setting non-cross between each flank 15, thus reduces rib to greatest extent Portion's impact on engine air inlet tube 10 internal gas flow communication.Additionally, in the present embodiment, each flank 15 are vertically arranged in its height direction, and the ice cube trapping space 14 therefore formed is (except flank 15 with air inlet pipe 10 tube wall formed ice cube trapping spaces 14) bottom area and open top area base This is identical.It addition, from Figure 13 and Figure 16 it can also be seen that in the present embodiment, flank 15 is set Being set to the most continual continuous structure, i.e. for a flank 15, it is arranged to One continual continuous entirety.Additionally, it can also be seen that the top of flank 15 from Figure 13 and Figure 16 Portion is arc, but, arc top can also be set to put down by those skilled in the art as required Top or concave top.
Please continue to refer to Figure 13, Figure 14 and Figure 15, due to the elastic bottom engine air inlet tube 10 Being provided with flank 15 on 13, therefore, the condensed water formed after gas condensation can be along engine air inlet tube The tube wall of 10 flows from top to bottom, and the ice cube that can be introduced into flank 15 and engine air inlet tube 10 formation is caught In collection space 14, after storing up full water in this ice cube trapping space 14, condensed water then flows into other ice cubes and catches In collection space 14.Pressure outside the pressure in engine air inlet tube 10 pipe is higher than engine air inlet tube 10 pipe During power, above-mentioned elastic 13 be by air inlet pipe 10 bottom inwall outer wall protruding, in this state Under elastic 13 to be in its first form, i.e. elastic 13 convex towards the outside of engine air inlet tube 10 Rising, now, along with the further reduction of temperature, gas a can be at the ice being made up of the flank of elastic 13 In block trapping space 14, condensing, freezing becomes larger volume and is shaped as the ice cube b of strip.
Please continue to refer to Figure 16 and Figure 17, once the pressure in engine air inlet tube 10 pipe is less than electromotor During pressure outside air inlet pipe 10 pipe, above-mentioned elastic 13 be by air inlet pipe 10 bottom outer wall inward wall convex Rising, elastic 13 in this state is in its second form, and i.e. elastic 13 is towards electromotor The internal protrusion of air inlet pipe 10, now, condensing, freezing is caught in the ice cube being made up of the flank of elastic 13 Larger volume in collection space 14 and be shaped as the ice cube b of strip and be fractured into volume under external force Less ice cube b ', and under the drive of air-flow a, leave the ice cube trapping space 14 being made up of flank 15, Thus leave elastic 13, and then avoid electromotor associated components is had a negative impact.
It addition, each flank is in addition to taking the set-up mode in above-described embodiment, each flank is in height side Upwards may also take on and be obliquely installed, so that ice cube trapping space is (except flank and air inlet pipe tube wall The ice cube trapping space formed) open top area less than bottom area.
Additionally, in some embodiments, above-mentioned each flank may be also configured to be had at length direction Upper discontinuous intermittent configuration, say, that for some single flank, it is in length side It is not upwards a global facility, but be made up of several less flank sheets, this set side Formula makes to form passage between adjacent flank sheet.Due to condensed water from air inlet pipe both sides tube wall from upper Flow process under and easily accumulates in outermost flank catch with the ice cube that air inlet pipe both sides inwall is formed In collection space, therefore the setting of passage is so that condensation flow traps space to other ice cubes.Due to it His structure there is no big difference, therefore this embodiment no longer coordinates corresponding accompanying drawing to be described in detail at this.
Elastic under the respective embodiments described above all can use polyethylene or polypropylene material to make.Meanwhile, Elastic under the respective embodiments described above can be that the bottom shape size with engine air inlet tube matches Elastica.
It should be noted that based on technical scheme, the electromotor under the various embodiments described above enters The architectural feature of trachea can be carried out combining freely, it is not limited to above-described several concrete realities Execute mode.
Engine system of the present invention can include any one engine charge of the present invention Pipe.Owing to the structure of engine air inlet tube is only improved by the technical program, and to engine system Other parts the most do not improve, therefore no longer engine system is described in detail at this.
It should be noted that the listed above specific embodiment being only the present invention, it is clear that the present invention does not limits In above example, there is the similar change of many therewith.If those skilled in the art is from the present invention All deformation that disclosure directly derives or associates, all should belong to protection scope of the present invention.

Claims (10)

1. an engine air inlet tube, it is characterised in that: the bottom of described engine air inlet tube has elastic, Metamorphosis is there is in described elastic according to the pressure differential change in the pipe of engine air inlet tube and outside pipe, To apply crushing force to the ice cube accumulated in described elastic.
2. engine air inlet tube as claimed in claim 1, it is characterised in that described elastic is entered at electromotor The bottom of trachea is continuously provided.
3. engine air inlet tube as claimed in claim 2, it is characterised in that described elastic is provided with some The flank protruding to engine air inlet tube inner space, is formed some with the bottom at engine air inlet tube Ice cube trapping space.
4. engine air inlet tube as claimed in claim 1, it is characterised in that described elastic includes some quilts Separate the elastic region of setting.
5. engine air inlet tube as claimed in claim 1, it is characterised in that described elastic is according to electromotor Air inlet pipe pipe in and pipe outside pressure differential change from the first metamorphosis gathered for ice cube to In the second form that ice cube is broken.
6. engine air inlet tube as claimed in claim 5, it is characterised in that described first form is elastic Towards the internal protrusion of engine air inlet tube, described second form is that elastic is towards engine air inlet tube Outer projection.
7. engine air inlet tube as claimed in claim 5, it is characterised in that described first form is elastic Towards the outer projection of engine air inlet tube, described second form is that elastic is towards engine air inlet tube Internal protrusion.
8. engine air inlet tube as claimed in claim 1, it is characterised in that described elastic is polyethylene bullet Property portion or polypropylene elastic.
9. engine air inlet tube as claimed in claim 1, it is characterised in that described elastic is elastica.
10. an engine system, it is characterised in that it has as described in any one in claim 1-9 Engine air inlet tube.
CN201510330460.5A 2015-06-16 2015-06-16 Engine air inlet pipe and engine system Pending CN106321300A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017186975A (en) * 2016-04-07 2017-10-12 日野自動車株式会社 Condensed water dispersion device
CN114575963A (en) * 2021-02-19 2022-06-03 长城汽车股份有限公司 Curved pipe icing clearing device, system and method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61291759A (en) * 1985-06-17 1986-12-22 Fuji Electric Co Ltd Air intake port of engine for vessel
US20090126670A1 (en) * 2007-11-19 2009-05-21 Denso Corporation Air intake apparatus for internal combustion engine
CN101939222A (en) * 2008-02-04 2011-01-05 空中客车营运有限公司 Be used to be installed in the engine charge valve on the housing of admission port of aero-engine and have the driving engine and the aircraft system of this engine charge valve
CN103534457A (en) * 2011-05-19 2014-01-22 丰田自动车株式会社 Air intake structure for internal combustion engine
CN104373204A (en) * 2013-08-15 2015-02-25 福特环球技术公司 Air intake duct ice ingestion features
CN204691954U (en) * 2015-06-16 2015-10-07 观致汽车有限公司 A kind of engine air inlet tube and engine system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61291759A (en) * 1985-06-17 1986-12-22 Fuji Electric Co Ltd Air intake port of engine for vessel
US20090126670A1 (en) * 2007-11-19 2009-05-21 Denso Corporation Air intake apparatus for internal combustion engine
CN101939222A (en) * 2008-02-04 2011-01-05 空中客车营运有限公司 Be used to be installed in the engine charge valve on the housing of admission port of aero-engine and have the driving engine and the aircraft system of this engine charge valve
CN103534457A (en) * 2011-05-19 2014-01-22 丰田自动车株式会社 Air intake structure for internal combustion engine
CN104373204A (en) * 2013-08-15 2015-02-25 福特环球技术公司 Air intake duct ice ingestion features
CN204691954U (en) * 2015-06-16 2015-10-07 观致汽车有限公司 A kind of engine air inlet tube and engine system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017186975A (en) * 2016-04-07 2017-10-12 日野自動車株式会社 Condensed water dispersion device
CN114575963A (en) * 2021-02-19 2022-06-03 长城汽车股份有限公司 Curved pipe icing clearing device, system and method

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Application publication date: 20170111