CN204691950U - A kind of engine air inlet tube and engine system - Google Patents
A kind of engine air inlet tube and engine system Download PDFInfo
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- CN204691950U CN204691950U CN201520208348.XU CN201520208348U CN204691950U CN 204691950 U CN204691950 U CN 204691950U CN 201520208348 U CN201520208348 U CN 201520208348U CN 204691950 U CN204691950 U CN 204691950U
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- inlet tube
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Abstract
A kind of engine air inlet tube and engine system, the bottom of this engine charge inner tube wall has the integrated flank with engine air inlet tube, described flank is protruding to engine air inlet tube inner space by engine charge inner tube wall, the bottom part of described engine charge inner tube wall to be divided into some ice cubes trapping space.This engine system has engine air inlet tube described in the utility model.Engine air inlet tube described in the utility model can prevent from blowing the ice cube that gas leakage condensation accumulation becomes volume larger effectively, thus avoid this type of ice cube to hinder the normal work of the miscellaneous part of motor when leaving suction tude, and then advantageously ensure the stability that motor runs and Security.The good operation stability of engine system described in the utility model, the high and long service life of safety coefficient.
Description
Technical field
The utility model relates to a kind of gas transmission pipeline, particularly relates to a kind of admission line for motor.
Background technique
The combustion process of car combustion engine can cause some gases (comprise the lubricant oil of products of combustion and vaporization, be referred to as and blow gas leakage) to be entered in crankcase by plunger ring by bypass.These gases finally can pass through PCV system (Positive Crankcase Ventilation, PVC) and be disposed to gas handling system from the upper area of motor.This blow gas leakage mix with the regular air by motor after, burn in combustion process subsequently, with guarantee to blow in gas leakage remain, unburnt hydrocarbon Thorough combustion, thus minimizing motor noxious pollutant.This blows gas leakage and comprises a large amount of water vapour, and it is the Main By product produced that burns.
The PCV system of turbosupercharged engine generally includes two positive crankcase ventilation (PCV) paths.Wherein, the first path, from motor (usually from camshaft cover) to intake manifold, when the pressure in intake manifold is lower than pressure in the crankcase of motor, uses this first path; Second path, from motor to being arranged at the air inlet duct before turbosupercharger, coming from turbosupercharger when air inlet boosting and when the pressure in intake manifold is higher than pressure in the crankcase of motor, using this second path.In these cases, pressure in the air inlet duct before turbosupercharger is arranged at lower than the pressure in crankcase.Therefore, at low temperatures, often accumulate in engine air inlet tube by blowing the berg that formed of gas leakage condensation, these bergs can cause adverse effect to the normal work of associated components.
Fig. 1 and Fig. 2 respectively illustrates and blows gas leakage condensation in engine air inlet tube at low temperatures and form the schematic diagram of berg, Fig. 3 and Fig. 4 then respectively illustrates the view when berg shown in Fig. 1 and Fig. 2 leaves admission line.
As depicted in figs. 1 and 2, when extreme cold, from admission line 21 pass through blow gas leakage a often condensation form little ice pellets, these little ice pellets finally accumulate in the bottom of admission line 21, further form berg b.As shown in Figure 3 and Figure 4, leave from admission line 21 under the drive of air-flow once these bergs b, adverse effect will be caused to other associated components, such as, block throttle valve possibly.More seriously, the berg b that some volume is larger can lock throttle plate, throttle plate can not be opened, even affect the cornering ability of automobile, and hinder the safety traffic of automobile.
For the PCV system of turbosupercharged engine, the secondary path of this ventilation system makes to blow gas leakage by main gas handling system, and this main gas handling system comprises the various piece of charger-air cooler (interstage cooler) and air inlet duct.Due to the existence that these blow gas leakage, make may have a large amount of moisture before throttle plate, and ice cube can be become by condensing, freezing subsequently.In addition, these moisture also can enter gas handling system by main air inlet, thus also can affect the cornering ability of automobile, and cause the problem of vehicle safety travel.
Therefore, need to obtain a kind of admission line that can prevent from gathering berg.
Model utility content
The purpose of this utility model is to provide a kind of engine air inlet tube, this suction tude can prevent from blowing the ice cube that condensation accumulation becomes volume larger in suction tude that leaks gas effectively, thus avoid this type of ice cube to hinder the normal work of the miscellaneous part of motor when leaving suction tude, and then advantageously ensure the stability that motor runs and Security.
According to above-mentioned purpose of the present utility model, the utility model proposes a kind of engine air inlet tube, the bottom of this engine charge inner tube wall has the integrated flank with engine air inlet tube, this flank is protruding to engine air inlet tube inner space by engine charge inner tube wall, the bottom part of engine charge inner tube wall to be divided into some ice cubes trapping space.
In the technical solution of the utility model, the bottom of suction tude inwall is provided with some flanks to its inner space projection, whole piece larger space is divided into several less spaces by this flank, bottom part by suction tude inwall is divided into some less ice cubes trapping space, the larger ice cube of formation one monoblock volume is freezed in the bottom of suction tude inwall to prevent blowing gas leakage, the substitute is, make to blow gas leakage and be frozen into some small volumes (such as in the bottom of suction tude inwall, long slice shape) ice cube, the ice cube of these small volumes is easy to when leaving bottom suction tude be broken, in addition, the ice cube of small volume also more easily melts, thus, the ice cube of these small volumes can not disturb the normal work of associated components after leaving suction tude, such as throttle valve can not be blocked.
In addition, compare to the flank that non-integral is shaping, integrated flank has higher intensity and working life usually, this flank is when being subject to external impact, deformation first occurs bending occurs again or fractures, therefore, such flank is not fragile, thus decrease maintenance and the replacement frequency of suction tude, and then reduce the maintenance cost of motor and component thereof.
It should be noted that, in the technical program, so-called " bottom of engine charge inner tube wall " refers to the tube wall part of below the medial axis of engine air inlet tube, is not limited only to the tube wall part of engine air inlet tube lowest part.
In some embodiments, in the length direction of the above-mentioned flank in engine air inlet tube described in the utility model and engine air inlet tube, the direction of gas flow is basically identical.
That is, in this technological scheme, in the length direction of the ice cube formed in the trapping space be made up of flank and engine air inlet tube, the direction of gas flow is consistent substantially, and this setup makes the impact of protruding flank on gas circulation in suction tude less.
If set-up mode basically identical for the direction of gas flow in the length direction of above-mentioned flank and engine air inlet tube to be called the vertical setting of flank, so as required, in other some mode of executions, also flank can be set to transverse direction (length direction of flank is perpendicular to the direction of gas flow) or oblique (length direction of flank and the direction of gas flow have acute angle), certainly, horizontal or oblique set-up mode compares to the vertical flank arranged, and can produce larger impact to the gas circulation in suction tude.
In some embodiments, the above-mentioned each flank in engine air inlet tube described in the utility model is arranged in their length direction non-crossly.
In other mode of execution, it is also feasible that above each flank is arranged in their length direction mutually across, is conducive to blowing gas leakage condensing, freezing like this and forms the less ice cube of volume.But on the other hand, this cross one another set-up mode compares to non-cross set-up mode, also larger impact can be produced on the gas circulation in suction tude.
In some embodiments, the above-mentioned each flank in engine air inlet tube described in the utility model is all vertically arranged.Under this setup, not quite, ice cube is easier to be trapped in space out from each ice cube for the open top area of ice cube trapping space (ice cube formed except flank and suction tude tube wall traps space) that each flank is formed and bottom area difference.
Different from the embodiment described above, in other mode of execution, at least one flank in engine air inlet tube described in the utility model is obliquely installed in the height direction, is less than bottom area with the open top area making at least one ice cube trap space.
The flank be in height obliquely installed can form the ice cube trapping space that open top area is less than bottom area, and this setup can catch the ice cube because of condensing, freezing more firmly.That is, blowing after gas leakage enters ice cube trapping space with gas or liquid condition, be just fixed be trapped in ice cube trapping space once be frozen into ice cube, when only having ice cube to be heated to be melted into less volume, it could trap space from ice cube and leave.
Under some embodiments, the above-mentioned flank in engine air inlet tube described in the utility model can be set to solid construction, thus promotes the intensity of flank further.
Relatively, under some other mode of execution, above-mentioned flank also can be set to the structure of inner hollow, thus reduces the use amount of rib material and alleviate the own wt of engine air inlet tube.
Under some mode of executions, the flank in engine air inlet tube described in the utility model is formed to engine air inlet tube internal bend by engine charge tube wall.This kind of structure is easy to manufacture, and can reduce cost of production.
Under some embodiments, the above-mentioned flank in engine air inlet tube described in the utility model is set to: have discontinuous in the longitudinal direction intermittent configuration.
On the other side, under other mode of execution, above-mentioned flank is set to: have the uninterrupted structure of continuous print in the longitudinal direction.
Have the flank of the uninterrupted structure of continuous print in the longitudinal direction relative to the flank with intermittent configuration, its intensity is relatively high.But on the other hand, condensed water can be become flow from top to down from the both sides of suction tude inwall owing to blowing gas leakage after condensation, flank is set to the discontinuous intermittent configuration had in the longitudinal direction and can forms some passages flowing through on path of condensed water, thus making condensed water can flow to bottom lowest part and the lower of suction tude inwall through these passages, ice cube that outermost flank and suction tude both sides inwall formed traps in space to avoid condensed water to accumulate in this.
It should be noted that; in the technical program; further restriction for each technical characteristics mentioned above or description; can mutually combine each other; and various assembled scheme includes in the claimed scope of the utility model, except having occurred the contradiction that cannot implement between non-combined.Such as, what flank was non-cross arranged can be arranged with flank and flank is set to solid construction and combines substantially vertically; Again such as, at least one flank is obliquely installed in the height direction, and can being set to the structure of inner hollow and flank with flank, to have discontinuous in the longitudinal direction intermittent configuration combined.
It should be noted that in addition, engine air inlet tube described in the utility model and to establish flank in the inner can be realized by die casting process one-body molded, other processing technologys also can known by those skilled in the art realize one-body molded.
Another object of the present utility model is to provide a kind of engine system.At extreme cold temperature, little by the volume blowing the ice cube that gas leakage condensing, freezing is formed in this engine system, easily broken, can not impact the operation of in-engine miscellaneous part, thus ensure that the stable operation of engine system.
Based on another object of the technical program, engine system provided by the utility model has any one engine air inlet tube as mentioned above.
Engine air inlet tube described in the utility model efficiently avoid the ice cube blowing gas leakage condensation accumulation and become volume larger, thus avoid this type of ice cube to affect the normal work of the miscellaneous part of motor when leaving suction tude, and then advantageously ensure the stability that motor runs and Security.
In addition, the structure of engine air inlet tube described in the utility model is simple, convenient processing and manufacture, is easy to realize.
For engine system described in the utility model, because the volume blowing the ice cube that gas leakage condensing, freezing is formed is little, easy fragmentation, can not impact the operation of in-engine miscellaneous part, (such as, the unlatching of throttle plate can not be affected and block throttle valve), the therefore high and long service life of the good operation stability of this engine system, safety coefficient.
Accompanying drawing explanation
Fig. 1 shows the view of blowing gas leakage condensation accumulation formation berg in admission line at low temperatures.
Fig. 2 is the sectional view at A-A place in Fig. 1.
Fig. 3 shows the view that blowing when berg that gas leakage condensation accumulation becomes leaves admission line shown in Fig. 1.
Fig. 4 is the sectional view at A '-A ' place in Fig. 3.
Fig. 5 is the structural representation of engine air inlet tube described in the utility model under a kind of mode of execution.
Fig. 6 is for the engine air inlet tube shown in Fig. 5 is at the sectional view at B-B place.
Fig. 7 corresponding diagram 5 and Fig. 6 show schematically show the accumulation process of condensed water in ice cube trapping space.
Fig. 8 corresponding diagram 5 and Fig. 6 show schematically show the phase diagram that ice cube leaves ice cube trapping space.
Fig. 9 is the sectional view at B '-B ' place in Fig. 8.
Figure 10 is the structural representation of engine air inlet tube described in the utility model under another kind of mode of execution.
Figure 11 is for the engine air inlet tube shown in Figure 10 is at the sectional view at C-C place.
Corresponding Figure 10 and Figure 11 of Figure 12 show schematically show the accumulation process of condensed water in ice cube trapping space.
Corresponding Figure 10 and Figure 11 of Figure 13 show schematically show the phase diagram that ice cube leaves ice cube trapping space.
Figure 14 is the sectional view at C '-C ' place in Figure 13.
Figure 15 is the structural representation of engine air inlet tube described in the utility model under another mode of execution.
The corresponding Figure 15 of Figure 16 show schematically show the phase diagram that ice cube leaves ice cube trapping space.
Embodiment
Below in conjunction with Figure of description and specific embodiment, engine air inlet tube described in the utility model and engine system are described in detail further, but this detailed description is not formed restriction of the present utility model.
Fig. 5 to Fig. 9 respectively illustrates the structure of engine air inlet tube described in the utility model under a kind of mode of execution and state.
As shown in Figure 5 and Figure 6, along the gas flow direction of engine air inlet tube 10, this engine air inlet tube 10 has air inlet port 11 and air outlet 12, there is in the bottom of the inwall of this engine air inlet tube 10 integrated multiple flank 13 with engine air inlet tube, these flanks 13 are protruding to engine air inlet tube inner space by engine air inlet tube 10 inwall, thus the bottom part of engine charge inner tube wall are divided into multiple ice cube trapping space 15.As can be seen from Figure 6, under the present embodiment, flank 13 is set to the structure of inner hollow, and the flank 13 of this hollow structure can be formed to engine air inlet tube internal bend by engine charge tube wall.It should be noted that, although the number of the flank 13 shown in Fig. 6 is three, it is just schematically described, and not represent that flank 13 is only provided with three, those skilled in the art can arrange the quantity of flank as required.In addition, in this embodiment, in the length direction of flank 13 and engine air inlet tube, gas flow direction X is consistent substantially, and setting non-cross between each flank 13, thus reduce flank to greatest extent to the impact of engine air inlet tube internal gas flow communication.In addition, in the present embodiment, each flank 13 is vertically arrange in its height direction, and the bottom area of ice cube trapping space 15 (except flank 13 traps space 15 with the ice cube that suction tude tube wall is formed) therefore formed is substantially identical with open top area.In addition, it can also be seen that from Fig. 5, in the present embodiment, flank 13 is set to continual in the longitudinal direction continuous structure, and namely for a flank 13, it is set to a continual continuous entirety.In addition, it can also be seen that from Fig. 5, the top of flank 13 is arc, but this arc is not as the restriction to the technical program, and arc top also can be set to flat top or concave top by those skilled in the art as required.
Please continue to refer to Fig. 7, owing to being provided with flank 13 in the bottom of engine air inlet tube 10, therefore, the condensed water formed after blowing gas leakage condensation flows from top to bottom along the tube wall of engine air inlet tube 10, can be introduced in the ice cube trapping space 15 of flank 13 and engine air inlet tube 10 formation, after storing up full water in this ice cube trapping space, condensed water flows in other ice cubes trapping space again.
As shown in Figure 8 and Figure 9, along with the further reduction of temperature, condensed water is frozen into the ice cube 14 being similar to long strip.Under the drive of air-flow, the ice cube 14 of long strip can leave ice cube trapping space 15, and is broken in the process left, thus forms the ice cube of small volume, and then avoids having a negative impact to motor associated components.
Certainly, in other examples, above-mentioned flank also can be solid construction.
Figure 10 to Figure 14 respectively illustrates the structure of engine air inlet tube described in the utility model under another kind of mode of execution.
As shown in Figure 10 and Figure 11, in this embodiment, along the gas flow direction of engine air inlet tube 10, engine air inlet tube 10 has air inlet port 11 and air outlet 12, there is in the bottom of the inwall of this engine air inlet tube 10 the integrated flank 13 with engine air inlet tube, these flanks 13 are protruding to engine air inlet tube inner space by engine charge inner tube wall, thus the bottom part of engine charge inner tube wall are divided into multiple ice cube trapping space 15.As can be seen from Figure 11, under above-mentioned mode of execution, flank 13 is set to the structure of inner hollow, and the flank 13 of this hollow structure can be formed to engine air inlet tube internal bend by engine charge tube wall.It should be noted that, although the number of the flank 13 shown in Figure 11 is five, it is just schematically described, and not represent that flank 13 is only provided with five, those skilled in the art can arrange the quantity of flank as required.In addition, in this embodiment, in the length direction of flank 13 and engine air inlet tube, gas flow direction is consistent substantially, and setting non-cross between each flank 13, thus reduce flank 13 to greatest extent to the impact of engine air inlet tube internal gas flow communication.Similarly, as can be seen from Figure 10, in the present embodiment, flank 13 is set to continual in the longitudinal direction continuous structure.In addition, it can also be seen that from Figure 10, the top of flank 13 is arc, and this arc is not as the restriction to the technical program equally, and arc top also can be set to flat top or concave top by those skilled in the art as required.In addition, the embodiment described with Fig. 5-Fig. 9 unlike, in the present embodiment, flank 13 is obliquely installed in the height direction, thus the open top area making ice cube trap space 15 (ice cube formed except flank 13 and suction tude tube wall traps space 15) is less than bottom area, like this once ice cube 14 is fixed is trapped in ice cube trapping space 15, when only having ice cube to be heated to be melted into less volume, could trap space 15 from ice cube and depart from.
Refer to Figure 12, owing to being provided with flank 13 in the bottom of engine air inlet tube 10, therefore, the condensed water formed after blowing gas leakage condensation flows from top to bottom along the tube wall of engine air inlet tube 10, can be introduced in the ice cube trapping space 15 of flank 13 and engine air inlet tube 10 formation, after storing up full water in this ice cube trapping space, condensed water flows in other ice cubes trapping space again.
As shown in Figure 13 and Figure 14, ice cube 14 is thus securely trapped in ice cube trapping space 15, under the drive of air-flow, because melt and the ice cube 14 of smaller volume just can leave ice cube trapping space 15, and be broken in the process left, thus form the less ice cube of volume, and then avoid having a negative impact to motor associated components.
Certainly, in other examples, above-mentioned flank also can be solid construction.
Figure 15 and Figure 16 respectively illustrates the structure of engine air inlet tube described in the utility model under another mode of execution.
As shown in Figure 15 and Figure 16, in this embodiment, along the gas flow direction of engine air inlet tube 10, engine air inlet tube 10 has air inlet port 11 and air outlet 12, there is in the bottom of the inwall of this engine air inlet tube 10 the integrated flank 13 with engine air inlet tube, these flanks are protruding to engine air inlet tube inner space by engine charge inner tube wall, thus the bottom part of engine charge inner tube wall are divided into multiple ice cube trapping space 15.In addition, in this embodiment, in the length direction of flank 13 and engine air inlet tube, gas flow direction is consistent substantially, and setting non-cross between each flank 13, thus reduce flank 13 to greatest extent to the impact of engine air inlet tube internal gas flow communication.In addition, as can be seen from Figure 15, the top of flank 13 is arc, and this arc is not as the restriction to the technical program equally, and arc top also can be set to flat top or concave top by those skilled in the art as required.It can also be seen that from Figure 15, be with the difference of embodiment mentioned above: flank 13 is in the present embodiment set to have discontinuous in the longitudinal direction intermittent configuration, that is, for single some flanks 13, it is not an one-piece element in the longitudinal direction, but be made up of several less flank sheet 13a, this setup makes can form passage between adjacent flank sheet 13a.Trap in space because condensed water easily accumulates in the ice cube that outermost flank and suction tude both sides inwall formed from the top-down flow process of suction tude both sides tube wall, therefore arranging of passage can make condensation flow to other ice cubes trapping space.
Please continue to refer to Figure 15 and Figure 16, under this embodiment, ice cube 14 is thus securely trapped in ice cube trapping space 15, under the drive of air-flow, because melt and the ice cube 14 of smaller volume just can leave ice cube trapping space 15, and be broken in the process left, thus form the less ice cube of volume, and then avoid having a negative impact to motor associated components.
Under some embodiments, each flank with discontinuous in the longitudinal direction intermittent configuration can vertically be arranged.Under other mode of execution, part flank or all rib also can be obliquely installed in the height direction, so can form the ice cube trapping space that open top area is less than bottom area.
It should be noted that, in some embodiments, in the integrated multiple flank in bottom of the inwall of engine air inlet tube, the flank that can be set to has discontinuous in the longitudinal direction intermittent configuration, and some flanks are set to have continual in the longitudinal direction continuous structure.
In addition, it should be noted that, the flank in the various embodiments described above and engine air inlet tube can be one-body molded by die casting process, and other techniques that those skilled in the art also can be adopted to know are one-body molded.
Based on the technical solution of the utility model, the structure characteristic of the engine air inlet tube under the various embodiments described above can combine freely, is not limited to above-described several embodiment.
Engine system described in the utility model can comprise any one engine air inlet tube described in the utility model.Because the technical program is only improved the structure of engine air inlet tube, and other parts of engine system are not all improved, therefore no longer engine system is described in detail at this.
It should be noted that above enumerate be only specific embodiment of the utility model, obvious the utility model is not limited to above embodiment, has many similar changes thereupon.If all distortion that those skilled in the art directly derives from content disclosed in the utility model or associates, protection domain of the present utility model all should be belonged to.
Claims (11)
1. an engine air inlet tube, is characterized in that:
The bottom of described engine charge inner tube wall has the integrated flank with engine air inlet tube, described flank is protruding to engine air inlet tube inner space by engine charge inner tube wall, the bottom part of described engine charge inner tube wall to be divided into some ice cubes trapping space.
2. engine air inlet tube as claimed in claim 1, is characterized in that, in the length direction of described flank and engine air inlet tube, the direction of gas flow is basically identical.
3. engine air inlet tube as claimed in claim 1, it is characterized in that, described each flank is arranged in their length direction non-crossly.
4. engine air inlet tube as claimed in claim 1, it is characterized in that, described each flank is arranged all vertically.
5. as claim 1 or as described in engine air inlet tube, it is characterized in that, at least one described flank is obliquely installed in the height direction, traps the open top area in space be less than bottom area to make at least one ice cube.
6. engine air inlet tube as claimed in claim 1, it is characterized in that, described flank is set to solid construction.
7. engine air inlet tube as claimed in claim 1, it is characterized in that, described flank is set to the structure of inner hollow.
8. engine air inlet tube as claimed in claim 1, it is characterized in that, described flank is formed to engine air inlet tube internal bend by engine charge tube wall.
9. engine air inlet tube as claimed in claim 1, it is characterized in that, described flank is set to: have discontinuous in the longitudinal direction intermittent configuration.
10. engine air inlet tube as claimed in claim 1, it is characterized in that, described flank is set to: have the uninterrupted structure of continuous print in the longitudinal direction.
11. 1 kinds of engine systems, is characterized in that, it has as the engine air inlet tube in claim 1-10 as described in any one.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520208348.XU CN204691950U (en) | 2015-04-09 | 2015-04-09 | A kind of engine air inlet tube and engine system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520208348.XU CN204691950U (en) | 2015-04-09 | 2015-04-09 | A kind of engine air inlet tube and engine system |
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| CN204691950U true CN204691950U (en) | 2015-10-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150791A (en) * | 2015-04-09 | 2016-11-23 | 观致汽车有限公司 | A kind of engine air inlet tube and engine system |
| CN108691703A (en) * | 2017-04-06 | 2018-10-23 | 现代自动车株式会社 | Inlet manifold and engine system |
-
2015
- 2015-04-09 CN CN201520208348.XU patent/CN204691950U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150791A (en) * | 2015-04-09 | 2016-11-23 | 观致汽车有限公司 | A kind of engine air inlet tube and engine system |
| CN108691703A (en) * | 2017-04-06 | 2018-10-23 | 现代自动车株式会社 | Inlet manifold and engine system |
| CN108691703B (en) * | 2017-04-06 | 2021-05-25 | 现代自动车株式会社 | Intake manifold and engine system |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A kind of engine air inlet tube and engine system Effective date of registration: 20170104 Granted publication date: 20151007 Pledgee: American quantum Corporation|Wuhu Chery Automobile Investment Co., Ltd. Pledgor: Ooros Automotive Co., Ltd. Registration number: 2016990001207 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model |