CN104343592A - Fluid flow pipeline - Google Patents
Fluid flow pipeline Download PDFInfo
- Publication number
- CN104343592A CN104343592A CN201410027534.3A CN201410027534A CN104343592A CN 104343592 A CN104343592 A CN 104343592A CN 201410027534 A CN201410027534 A CN 201410027534A CN 104343592 A CN104343592 A CN 104343592A
- Authority
- CN
- China
- Prior art keywords
- fluid flow
- flow conduit
- throat
- section
- transport portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 94
- 230000007704 transition Effects 0.000 claims abstract description 16
- 238000002485 combustion reaction Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000001746 injection moulding Methods 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 230000006698 induction Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000003570 air Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000659 freezing mixture Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000008041 oiling agent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Supercharger (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
A fluid flow pipeline comprising an inlet portion, an intermediate conveying section and an outlet portion, wherein by means of said inlet portion and an end portion of the intermediate conveyor, the cross-section of the fluid flow conduit from the inlet portion to the conveying portion gradual manner integrally connected, and the delivery manner so that the other end portion of the cross section of the fluid flow conduit from the delivery portion to the outlet portion of the gradient is connected to the outlet portion. The conveying portion having a first throat, a second throat, and a transition portion connecting the first throat and a second throat. The shape or surface of the first throat and a second throat geometry oval, and each throat having a wide end and a narrow end portion. Each throat is convex concave, in order to achieve the venturi effect in the fluid, thereby reducing the pressure drop in the pipe. Shape feature of the pipeline helps position the pipeline to be conveniently packaged in a limit position.
Description
Technical field
The present invention relates generally to fluid flow conduit, and more specifically, relate to a kind of fluid flow conduit from its entrance to its outlet with minimum pressure drop.
Background technique
Fluid flow conduit is generally used for fluid to be supplied to another position from a position.Ideally, people wish delivering fluids and do not have any loss, and wish that the fluid of pipeline exit has identical characteristic with the fluid of ingress.But, due to multiple restrictive condition, in fact because various loss causes being difficult to make the fluid in outlet port to have identical characteristic.Past people have made various trial, attempt to make this minimization of loss and carry fluid from a position reposefully to another location.
In the vehicle comprising off-road vehicle, in order to supply hydraulic fluid, freezing mixture, oiling agent, air, waste gas etc., the use of fluid flow conduit is inevitable.
Such as, the internal-combustion engine used in vehicle has the suction tude for the suction air from air filter being delivered to turbosupercharger.Suction tude to be arranged on below hood and to be packaged together with various miscellaneous parts such as such as air filter, compressor, motor, radiators.Manufacturing process makes automaker can use long and parts in irregular shape, thus effectively utilizes free space below hood.When air flows through suction tude, there is pressure drop in the length along suction tude.When this pipe cross section exist sudden change or this pipe is irregularly shaped or when having different size, the increase of described pressure drop exceeds acceptable limit.Past, people made efforts, and attempt provides stable conveying between the point that cross section is different from each other.Pressure drop may be reduced to a certain degree by this conveying, but proposes new challenge in encapsulation or hood lower space management aspect.
Therefore, need to provide a kind of fluid flow conduit, it is except having except minimum pressure drop in its length range, can also be easily packed under limited condition.
Summary of the invention
Main purpose of the present invention is to provide a kind of fluid flow conduit, and fluid can be delivered to another position from a position with minimum pressure drop by it.
Another object of the present invention is to provide a kind of fluid flow conduit, and it can be easily packed under limited condition.
Another object of the present invention is to provide a kind of fluid flow conduit, and its structure is simple, cost savings.
A kind of for from a position to the fluid flow conduit of another location delivering fluids, include notch portion, intermediate transfer section and exit portion, one end of wherein said intake section and intermediate transfer section is connected from intake section to the mode of transport portion gradual change integratedly to make the cross section of this fluid flow conduit, and the other end of described transport portion is integrally connected to exit portion with the cross section of this fluid flow conduit from transport portion to the mode of exit portion gradual change.The shape of described intake section, transport portion and exit portion can be circular or rectangular or polygonal or flat or ellipse, or the combination of these shapes, but, in officely mean fixed time point place, two different shapes or size must be there is at described part place.
The intake section of fluid flow conduit is suitable for being connected to fluid source by one or more filtration or cleaning device.Described intake section is integrally connected to transport portion to make the cross section of this fluid flow conduit from intake section to the mode of transport portion gradual change.The other end of transport portion is connected to exit portion to make the cross section of this fluid flow conduit from transport portion to the mode of the same gradual change of exit portion.The gradual change of cross section contributes to fluid loss is minimized and contributes to reducing the pressure drop on this pipeline.The fluid mentioned can be air, liquid or gas.
Transport portion has the first throat, the second throat and connects the transition portion of the first throat and the second throat.The shape of the first throat and the second throat or morphology are avette, and each throat has wide end and narrow end.Each throat be evagination indent to form Venturi effect in a fluid.The wide end of the first throat is set to closer to intake section, and the wide end of the second throat is set to closer to exit portion.The transition portion of transport portion has fillet polygonal crosssection.First throat and the second throat are arranged along the surface of the longest edge of this polygonal crosssection.
This fluid flow conduit is made up of the flexible material of such as polymer and so on, and manufactured by blowing, injection moulding, rotary gelcasting, can form shape and the profile of expectation.Cross section along the change of this duct length can successfully adapt to restricted position and without the need to interference or rearrange existing package structure.While fluid is transported to opposite side from side, the pressure drop in pipeline is remained minimum level by the first throat and second throat of this pipeline.
One or more erecting device, as mounting hole/profile, is arranged in fluid flow conduit, in an assembling process by this Pipe installing in the position that it is correct.
In another embodiment, notch portion and transport portion is included for carrying the fluid flow conduit of fluid from a position to another position, described transport portion will as exit portion, wherein, described intake section is connected from intake section to the mode of transport portion gradual change to make the cross section of this fluid flow conduit integratedly with transport portion.The shape of described intake section and transport portion can be circular, rectangular, flat or ellipse, but at arbitrary time point place specified, and must there is two different shapes or size at described part place.Transport portion has the throat connecting into notch portion and transport portion.
A kind of internal-combustion engine being provided with fluid flow conduit, wherein said fluid flow conduit is provided with intake section, intermediate transfer section and exit portion, one end of wherein said intake section and intermediate transfer section is connected from intake section to the mode of transport portion gradual change integratedly to make the cross section of this fluid flow conduit, and the other end of described transport portion is integrally connected to exit portion with the cross section of this fluid flow conduit from transport portion to the mode of the gradual change of exit portion, and wherein said intake section, transport portion and exit portion have different shapes or size.Wherein, the intake section of fluid flow conduit is connected to air filter, and exit portion is connected to turbosupercharger.Air is from filter flow to intake section, and air flows to transport portion from intake section, and air flows to turbosupercharger from transport portion.Due to from intake section to transport portion with from transport portion to the change of the cross section of exit portion, air pressure is tended to reduce in export department office.But because the throat and transition portion by having polygonal crosssection provides the gradual change of cross section, the air-pressure drop on this pipeline is minimized.
Be provided with an internal-combustion engine for fluid flow conduit, wherein said fluid flow conduit is provided with intake section and transport portion, and described transport portion also will as exit portion.Wherein, one end of described intake section and transport portion is connected from intake section to the mode of transport portion gradual change integratedly to make the cross section of this fluid flow conduit, and transport portion has the throat connecting described intake section and transport portion, and wherein intake section and transport portion have different shapes or size at adjacent part place.
Accompanying drawing explanation
Referring now to accompanying drawing, wherein, these accompanying drawings are only the targets for illustrating the preferred embodiments of the present invention, and are not intended to limit the present invention.
Fig. 1 shows the schematic diagram of inlet air flow path;
Fig. 2 shows the fluid flow conduit used in internal-combustion engine;
Fig. 3 shows the cross sectional view of the transport portion intercepted at 3-3 place;
Fig. 4 shows the fluid flow conduit from unilateral observation;
Fig. 5 shows the fluid flow conduit of observing from bottom side.
Embodiment
Referring now to Fig. 1, wherein, one end of fluid flow conduit 10 is connected to the air filter 12 as the entrance of this pipeline, the other end of pipeline 10 is connected to the turbosupercharger 14 as the outlet of this pipeline, in turn, fluid is here air, flows to cylinder 18 from air filter 12 via the turbosupercharger 14 of internal-combustion engine E and manifold 16.
Referring now to Fig. 2:
Fluid flow conduit 10 comprises intake section 20, intermediate transfer section 22 and the exit portion 24 with passage 21, wherein, described intake section 20 is integrally connected from intake section to the mode of transport portion gradual change to make the cross section of this pipeline with one end of intermediate transfer section 22, and the other end of transport portion 22 is also to make the cross section of this pipeline be integrally connected to exit portion 24 from transport portion to the mode of exit portion gradual change.Described intake section 20, transport portion 22 and exit portion 24 can be circular, rectangular, polygonal, flat or ellipse, or the combination of its shape and size, but in officely mean fixed time point place, two different shapes or size must be there is at described part place.
Transport portion 22 also comprises the first throat 52 of throat 42, second and transition portion 36.First throat 42 has the egg-shaped face shape with outer convex surface and inner concave, and this egg-shaped face shape has wide end 40 at one end and the narrow end 41 at the other end place.Second throat 52 also has the egg-shaped face shape with outer convex surface and inner concave, and this egg-shaped face shape has wide end 50 and narrow end 51.Exit portion 24 is provided with the outlet passage 25 for being fluidly connected to the adjacent component in fluid flowing path.One or more erecting device 26 is arranged in fluid flow conduit, for by this Pipe installing in the position that it is correct.Throat 42,52 is evagination indent in essence, and this support forms reverse Venturi effect in a fluid.Described Venturi effect contributes to the pressure drop on this pipeline is minimized.The wide end 40 of the first throat 42 is configured to more near intake section 20, and the wide end of the second throat 52 is configured to closer to exit portion 24, and narrow end 41,51 is configured to towards transition portion 36.Transition portion 36 has fillet polygonal crosssection S.First throat and the second throat are arranged along the surface of the longest edge of this polygonal crosssection.
This fluid flow conduit preferably can be made up of the flexible material of such as polymer and so on, and by using the feasible manufacturing process manufacture of such as blowing, injection moulding, rotary gelcasting and so on, or described pipeline can also pass through the feasible manufacture technics of such as shaped by fluid pressure or processing and so on the ductile material of such as sheet metal and so on, can form shape and the profile of expectation.
Cross section along the change of this duct length successfully can adapt to restricted position and without the need to disturbing or rearranging existing package structure, realize the minimized pressure drop in the length range of this pipeline simultaneously.
Present participation Fig. 3.
The figure illustrate the viewgraph of cross-section of the transport portion 22 intercepted at transition portion 36 place.Transition portion 36 has fillet trapezoid cross section, and this cross section has long limit L and minor face S.Alternatively, carry for fluid reposefully for from a part to another part, use the cross section with other suitable fillet polygonal shapes to be also favourable, these shapes include but not limited to round rectangle, rounded square, fillet quadrilateral, fillet parallelogram, rounded diamond, fillet polygonal etc.
As illustrated in fig. 1 and 2, fluid flow conduit 10 is connected to air filter 12 by the gas-entered passageway 21 of induction part 20.The induction part 20 of fluid flow conduit 10 extends and combines with transport portion 22.The narrow end 41 of the first throat 42 engages with one end of transition portion 36.The other end of transition portion 36 engages with the narrow end 51 of the second throat 52, and wide end 52 engages with exit portion 24.Fluid flow conduit 10 is connected to turbosupercharger 14 by the outlet passage 25 of exit portion 24.
Referring now to Fig. 4:
The figure illustrate the side view of fluid flow conduit, wherein can see position and the orientation of Liang Ge throat 42,52.The global orientation of described throat 42,52 contributes to for fluid provides contraction-divergencing path, and this path contributes to the stable conveying of fluid, thus the pressure drop in the length range of this pipeline can be minimized.
Referring now to Fig. 3 and Fig. 4, the first throat 42 and the second throat 52 are along the location, direction of long limit L of transition portion 36 with fillet trapezoid cross section.
Referring now to Fig. 5:
The wider side 40 of the first throat 42 is configured to spatially more near induction part 20.Similarly, the wider side 50 of the second throat 52 is configured to spatially more near the exit portion 24 of fluid flow conduit 10.
Surrounding atmosphere enters air filter 12, and dust, dirt and other coarse granules are filtered in air filter 12.Air after filtration enters the fluid flow conduit 10 that also can be referred to as admission line, through inlet channel 21, and flows to transport portion 22.In flow process, first air arrives the wide end 40 of the first throat 42, and described wide end 40 contributes to air and enters throat 42 reposefully.The combination of the shape of this throat and adjacent transport portion contributes to the smooth flow of fluid, thus the air pressure preventing from entering reduces along with entering transport portion 22 by the first throat 42.The inner concave of the first throat 42 contributes to along with air moves to from intake section 20 the free-pouring surface area increasing transport portion 22 and can be used for filtered air.Transition portion 36 contributes to air from passing through stably the first throat of throat 42 to the second 52, and at the second place of throat 52, the inner concave be arranged in the second throat 52 provides the surface area of increase again to air.Air from transport portion 22 is transported to turbosupercharger 14 by the outlet passage 25 of exit portion 24.At inlet point and the exit point place of transport portion 22, the first throat 42 and the second throat 52 form Venturi effect, thus provide stable air stream by the minimum pressure drop in pipeline 10, and this finally can have an impact for the overall performance of motor E.Distinctive shape, morphology and the cross-section area that continuously changes obtain by the feasible manufacturing process of such as blowing and so on, and wherein, polymeric material is used to the different intended shape of blowout and structure.
In a further embodiment, notch portion 20 and transport portion 22 is included for carrying the fluid flow conduit of fluid from a position to another position, described transport portion will as exit portion, wherein, described intake section is connected from intake section to the mode of transport portion gradual change to make the cross section of this pipeline integratedly with transport portion.Transport portion 22 in this case will as exit portion.Described intake section and transport portion can be circular, rectangular, flat or ellipse, but at arbitrary time point place specified, and must there are two different shapes at described part place.Transport portion 22 has the throat 42 connecting into notch portion 20 and transport portion 22.
The fluid flow conduit be used in internal-combustion engine comprises induction part, transport portion and exit portion.Induction part has the passage being connected to air filter.Air filter restriction enters firing chamber from the abrasion particles of environment, otherwise will cause the wearing and tearing of engine components and tear.Induction part little by little leads to transport portion, and transport portion has the cross section varied along its length.Transport portion is combined with exit portion.Exit portion has the passage be communicated with turbosupercharger fluid.When lacking turbosupercharger, the exit portion of suction tude can with intercooler or intake manifold directly fluid be communicated with.
Here describe and ask the present invention protected to be not limited only to the specific embodiment described in literary composition, because this embodiment is just for illustration of some aspect of the present invention.Object is that any equivalent embodiment will fall within scope of the present invention.In fact, for a person skilled in the art, by description above, the various amendments made for the invention illustrated herein and describe all will become obvious.Wish that these amendments all should fall within the scope of claims equally.
Reference numerals list
10: fluid flow conduit
12: air filter
14: turbosupercharger
16: manifold
18: cylinder
20: intake section
21: inlet channel
22: transport portion
24: exit portion
25: outlet passage
26: erecting device
36: transition portion
L: long limit
S: minor face
E: motor
The wide end of 40: the first throats
The narrow end of 41: the first throats
42: the first throats
The wide end of 50: the second throats
The narrow end of 51: the second throats
52: the second throats
Claims (10)
1. a fluid flow conduit (10), there is intake section (20), intermediate transfer section (22) and exit portion (24), one end of wherein said intake section (20) and intermediate transfer section (22) is connected from intake section (20) to the mode of transport portion (22) gradual change integratedly to make the cross section of this fluid flow conduit, and the other end of described transport portion (22) is integrally connected to exit portion (24) to make the cross section of this fluid flow conduit from transport portion (22) to the mode of exit portion (24) gradual change, wherein said intake section (20), transport portion (22) and exit portion (24) have different shapes or size.
2. fluid flow conduit according to claim 1 (10), wherein, described transport portion (22) comprises the first throat (42), the second throat (52) and transition portion (36).
3. fluid flow conduit according to claim 1 and 2 (10), wherein, the shape of described intake section (20), transport portion (22) and exit portion (24) is circular rectangular or flat polygonal or oval, or the combination of these shapes or size.
4. fluid flow conduit according to any one of claim 1 to 3 (10), wherein, described first throat (42) and the second throat (52) have the egg-shaped face shape with outer convex surface and inner concave, this egg-shaped face shape has wide end (40 at one end, 50) with in the narrow end (41,51) at the other end place.
5. fluid flow conduit according to any one of claim 1 to 4 (10), wherein, described transition portion (36) has fillet polygonal crosssection.
6. a fluid flow conduit (10), there is intake section (20) and transport portion (22), wherein said intake section (20) and transport portion (22) are connected from intake section (20) to the mode of transport portion (22) gradual change integratedly to make the cross section of this fluid flow conduit, and transport portion (22) has the throat connecting described intake section and transport portion, wherein, intake section (20) and transport portion (22) have different shapes or size.
7. according to fluid flow conduit in any one of the preceding claims wherein (10), wherein, described fluid flow conduit be made up of the flexible material of such as polymer and so on and by blowing or injection moulding or rotary gelcasting manufactured, or described fluid flow conduit (10) can also be made up of the viable process of the ductile material of such as sheet metal and so on by such as shaped by fluid pressure or processing and so on.
8. according to fluid flow conduit in any one of the preceding claims wherein (10), wherein, described fluid flow conduit is provided with the one or more erecting devices (26) for this fluid flow conduit being arranged in its correct position.
9. fluid flow conduit (10) according to claim 1-8, that substantially described with reference to accompanying drawing in this article.
10. one kind is provided with the internal-combustion engine (E) of fluid flow conduit (10), wherein said fluid flow conduit (10) is provided with intake section (20), intermediate transfer section (22) and exit portion (24), wherein said intake section (20) is connected to make the cross section of described fluid flow conduit pass through throat (42) from intake section (20) to the mode of transport portion (22) gradual change integratedly with one end of intermediate transfer section (22), and the other end of described transport portion (22) is integrally connected to exit portion (24) to make the cross section of described fluid flow conduit pass through throat (52) from transport portion (22) to the mode of exit portion (24) gradual change, wherein said intake section (20), transport portion (22) and exit portion (24) have different shapes or size.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IN2552MU2013 IN2013MU02552A (en) | 2013-08-02 | 2013-08-02 | |
| IN2552/MUM/2013 | 2013-08-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104343592A true CN104343592A (en) | 2015-02-11 |
| CN104343592B CN104343592B (en) | 2018-10-09 |
Family
ID=54199312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410027534.3A Active CN104343592B (en) | 2013-08-02 | 2014-01-21 | Fluid flow conduit |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104343592B (en) |
| IN (1) | IN2013MU02552A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107850017A (en) * | 2016-03-30 | 2018-03-27 | 刘炳男 | Internal combustion engine fluid accelerator |
| CN112216630A (en) * | 2019-07-10 | 2021-01-12 | 细美事有限公司 | Fluid supply unit and substrate processing apparatus having fluid supply unit |
| CN114845793A (en) * | 2019-12-20 | 2022-08-02 | 康斐尔集团公司 | Pleated filter elements for air filters |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006162417A (en) * | 2004-12-07 | 2006-06-22 | Tsukasa Sokken Co Ltd | Total pressure/static pressure measuring venturi system flow measuring device |
| CN101187347A (en) * | 2006-09-19 | 2008-05-28 | 哈尔德克斯水利学公司 | Exhaust gas recirculation systems for gasoline fueled engines |
| CN201622085U (en) * | 2010-01-29 | 2010-11-03 | 陕西仪新测控仪表有限公司 | Novel built-in double Venturi tube assembly |
| CN202108624U (en) * | 2011-06-22 | 2012-01-11 | 东风康明斯发动机有限公司 | Section-variable gas conduction tube |
| CN202579106U (en) * | 2012-04-27 | 2012-12-05 | 黄石东贝电器股份有限公司 | Taper hole suction pipe applied to refrigeration compressor |
-
2013
- 2013-08-02 IN IN2552MU2013 patent/IN2013MU02552A/en unknown
-
2014
- 2014-01-21 CN CN201410027534.3A patent/CN104343592B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006162417A (en) * | 2004-12-07 | 2006-06-22 | Tsukasa Sokken Co Ltd | Total pressure/static pressure measuring venturi system flow measuring device |
| CN101187347A (en) * | 2006-09-19 | 2008-05-28 | 哈尔德克斯水利学公司 | Exhaust gas recirculation systems for gasoline fueled engines |
| CN201622085U (en) * | 2010-01-29 | 2010-11-03 | 陕西仪新测控仪表有限公司 | Novel built-in double Venturi tube assembly |
| CN202108624U (en) * | 2011-06-22 | 2012-01-11 | 东风康明斯发动机有限公司 | Section-variable gas conduction tube |
| CN202579106U (en) * | 2012-04-27 | 2012-12-05 | 黄石东贝电器股份有限公司 | Taper hole suction pipe applied to refrigeration compressor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107850017A (en) * | 2016-03-30 | 2018-03-27 | 刘炳男 | Internal combustion engine fluid accelerator |
| CN112216630A (en) * | 2019-07-10 | 2021-01-12 | 细美事有限公司 | Fluid supply unit and substrate processing apparatus having fluid supply unit |
| CN112216630B (en) * | 2019-07-10 | 2024-12-17 | 细美事有限公司 | Fluid supply unit and substrate processing apparatus having the same |
| CN114845793A (en) * | 2019-12-20 | 2022-08-02 | 康斐尔集团公司 | Pleated filter elements for air filters |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104343592B (en) | 2018-10-09 |
| IN2013MU02552A (en) | 2015-06-12 |
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