CN104343592B - Fluid flow conduit - Google Patents
Fluid flow conduit Download PDFInfo
- Publication number
- CN104343592B CN104343592B CN201410027534.3A CN201410027534A CN104343592B CN 104343592 B CN104343592 B CN 104343592B CN 201410027534 A CN201410027534 A CN 201410027534A CN 104343592 B CN104343592 B CN 104343592B
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- CN
- China
- Prior art keywords
- fluid flow
- flow conduit
- throat
- section
- transport portion
- Prior art date
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Jet Pumps And Other Pumps (AREA)
- Supercharger (AREA)
Abstract
A kind of fluid flow conduit, including intake section, intermediate transfer section and exit portion, one end of the wherein described intake section and intermediate transfer section is to make the cross section of the fluid flow conduit be integrally connected in a manner of from intake section to transport portion gradual change, and the other end of the transport portion is to make the cross section of the fluid flow conduit be connected to exit portion in a manner of from transport portion to exit portion gradual change.The transport portion has the first throat, the second throat and the transition portion for connecting the first throat and the second throat.The shape or morphology of first throat and the second throat are oval, and each throat has wide end portion and narrow end portion.Each throat is evagination indent, to realize Venturi effect in a fluid, to reduce the pressure drop on the pipeline.The characteristic shape of the pipeline contributes to convenient encapsulation of the pipeline under restricted position.
Description
Technical field
The present invention relates generally to fluid flow conduits, and have most from its entrance to its outlet more particularly, to one kind
The fluid flow conduit of small pressure drop.
Background technology
Fluid flow conduit is commonly used in fluid being supplied to another position from a position.It is desirable that it is desirable to supply
To fluid without having any loss, and it is desirable that the fluid of pipeline exit and the fluid of inlet characteristic having the same.
However, due to a variety of restrictive conditions, actually since various losses cause to be difficult to make the fluid in exit characteristic having the same.
Various trials have been made in past people, it is intended to make this minimization of loss and from a position to another location smoothly
Trandfer fluid.
In the vehicle including off-road vehicle, in order to supply hydraulic fluid, coolant, lubricant, air, exhaust gas etc., stream
The use in body flow tube road is inevitable.
For example, the internal combustion engine used in vehicle has for increasing the sucking air delivery from air filter to turbine
The air inlet pipe of depressor.Air inlet pipe be arranged below hood and with such as air filter, compressor, engine, heat dissipation
Various other components such as device are packaged together.It is length and in irregular shape that manufacturing process enables automaker to use
Component, to effectively utilize hood space available below.When air flows through air inlet pipe, there is pressure in the length along air inlet pipe
Drop.When there is mutation in the cross section of the pipe or the pipe is irregular shape or has different sizes, the increase of the pressure drop
Beyond acceptable limit.Past, people made efforts, it is intended to be provided between the point different from each other of cross section stable
Conveying.This conveying may reduce pressure drop to a certain extent, but be proposed in encapsulation or hood lower space management aspect
New challenge.
Accordingly, it is desirable to provide a kind of fluid flow conduit, other than there is minimum pressure drop in its length range, also
It can be easy under conditions of limited packed.
Invention content
The main object of the present invention is to provide a kind of fluid flow conduit, can with minimum pressure drop by fluid from a position
It sets and is delivered to another position.
It is a further object to provide a kind of fluid flow conduit, can be easy to be sealed under conditions of limited
Dress.
It is simple in structure it is a further object to provide a kind of fluid flow conduit, cost savings.
A kind of fluid flow conduit for supplying fluid from a position to another location, including it is intake section, intermediate defeated
Send part and exit portion, wherein one end of the intake section and intermediate transfer section so that the fluid flow conduit cross section
It is integrally connected from intake section to the mode of transport portion gradual change, and the other end of the transport portion is with the fluid stream
The cross section of pipeline is integrally connected to exit portion from transport portion to the mode of exit portion gradual change.The intake section,
The shape of transport portion and exit portion can be circular or rectangular or polygon or flat or oval
Or the combinations of these shapes there must be two at the part not however, at the time point being arbitrarily designated
Same shape or size.
The intake section of fluid flow conduit is suitable for being connected to fluid source by one or more filtering or cleaning device.It is described
Intake section is to make the cross section of the fluid flow conduit be integrally connected in a manner of from intake section to transport portion gradual change
Transport portion.The other end of transport portion so that the cross section of the fluid flow conduit from transport portion to the same gradual change of exit portion
Mode be connected to exit portion.The gradual change of cross section helps that fluid loss is made to minimize and helps to reduce on the pipeline
Pressure drop.The fluid being previously mentioned can be air, liquid or gas.
Transport portion has the first throat, the second throat and the transition portion for connecting the first throat and the second throat.The
The shape or morphology of one throat and the second throat are oval, and each throat has wide end portion and narrow end portion.Often
A throat is evagination indent to form Venturi effect in a fluid.The wide end portion of first throat is arranged to closer to entrance
Part, and the wide end portion of the second throat is arranged to closer to exit portion.The transition portion of transport portion has fillet more
Side shape cross section.First throat and the second throat are arranged along the surface of the longest edge of the polygonal crosssection.
The fluid flow conduit is made of the flexible material of such as polymer etc, and can be noted by blowing, injection molding, rotation
Mould is manufactured, can form desired shape and profile.It can be successfully along the cross section of the variation of the duct length
Restricted position is adapted to without interfering or rearranging existing encapsulating structure.Fluid is being transported to the other side from side
While, the pressure drop in pipeline is remained minimum level by the first throat and the second throat of the pipeline.
One or more mounting devices are arranged on such as mounting hole/profile in fluid flow conduit, for assembling
In journey by the Pipe installing in its correct position.
In another embodiment, for from a position to the fluid flow conduit of another position trandfer fluid include entrance
Part and transport portion, the transport portion will act as exit portion, wherein the intake section and transport portion are so that the stream
The cross section in body flow tube road is integrally connected from intake section to the mode of transport portion gradual change.The intake section and conveying
Partial shape can be circular, rectangular, flat or oval, but at any specified time point, in institute
It states and there must be two different shape or size at part.Transport portion has the larynx of connection intake section and transport portion
Portion.
A kind of internal combustion engine equipped with fluid flow conduit, wherein the fluid flow conduit is equipped with intake section, intermediate delivery section
Point and exit portion, wherein one end of the intake section and intermediate transfer section so that the cross section of the fluid flow conduit from entering
The mode of oral area point to transport portion gradual change is integrally connected, and the other end of the transport portion is with the fluid flow conduit
The mode of gradual change of the cross section from transport portion to exit portion be integrally connected to exit portion, wherein the inlet portion
Divide, transport portion and exit portion have different shape or size.Wherein, the intake section of fluid flow conduit is connected to air
Filter, and exit portion is connected to turbocharger.Air is from filter flow to intake section, and air is from intake section
Transport portion is flowed to, and air flows to turbocharger from transport portion.Due to from intake section to transport portion and from
Transport portion to the cross section of exit portion variation, air pressure tend at exit portion reduce.However, due to passing through
Throat and transition portion with polygonal crosssection provide the gradual change of cross section, and the air-pressure drop on the pipeline is minimum
Change.
A kind of internal combustion engine equipped with fluid flow conduit, wherein the fluid flow conduit is equipped with intake section and transport portion,
The transport portion also will act as exit portion.Wherein, one end of the intake section and transport portion is so that the fluid flow tubes
The cross section in road is integrally connected from intake section to the mode of transport portion gradual change, and transport portion has described in connection
The throat of intake section and transport portion, wherein intake section and transport portion have at adjacent part different shape or
Size.
Description of the drawings
Referring now to attached drawing, wherein these attached drawings are only for the target of diagram the preferred embodiment of the present invention, and are not
The intended limitation present invention.
Fig. 1 shows the schematic diagram of inlet air flow path；
Fig. 2 shows the fluid flow conduits used in internal combustion engine；
Fig. 3 shows the section view of the transport portion intercepted at 3-3；
Fig. 4 shows the fluid flow conduit from unilateral observation；
Fig. 5 shows the fluid flow conduit from bottom side.
Specific implementation mode
Referring now to Fig. 1, wherein one end of fluid flow conduit 10 is connected to the air filter of the entrance as the pipeline
12, the other end of pipeline 10 is connected to the turbocharger 14 of the outlet as the pipeline, and in turn, fluid is herein sky
Gas flows to cylinder 18 from air filter 12 via the turbocharger 14 and manifold 16 of internal combustion engine E.
Referring now to Fig. 2：
Fluid flow conduit 10 includes the intake section 20, intermediate transfer section 22 and exit portion 24 for having channel 21,
In, one end of the intake section 20 and intermediate transfer section 22 so that the cross section of the pipeline from intake section to transport portion
The mode of gradual change is by integrally connected, and the other end of transport portion 22 is also so that the cross section of the pipeline is from transport portion to going out
Oral area divides the mode of gradual change to be integrally connected to exit portion 24.The intake section 20, transport portion 22 and exit portion 24
Can be circular, rectangular, polygon, flat or oval or its shape and size combinations, still
At the time point being arbitrarily designated, there must be two different shape or size at the part.
Transport portion 22 further includes the first throat 42, the second throat 52 and transition portion 36.First throat 42, which has, to be carried
The egg-shaped face shape of arcuate surface and inner concave, the egg-shaped face shape have wide end portion 40 at one end and at the other ends
Narrow end portion 41.Second throat 52 also has the egg-shaped face shape with arcuate surface and inner concave, egg-shaped face shape tool
There are wide end portion 50 and narrow end portion 51.Exit portion 24 is equipped with the outlet for being fluidly connected to the adjacent component in fluid flowing path
Channel 25.One or more mounting devices 26 are arranged in fluid flow conduit, are used for the Pipe installing in its correct position
In setting.Throat 42,52 is substantially evagination indent, this support forms reversed Venturi effect in a fluid.The venturi
The pressure drop that effect helps to make on the pipeline minimizes.The wide end portion 40 of first throat 42 is configured to closer to intake section
20, and the wide end portion of the second throat 52 is provided closer to exit portion 24, and narrow end portion 41,51 is configured to direction
Transition portion 36.Transition portion 36 has fillet polygonal crosssection S.First throat and the second throat are along the polygonal crosssection
Longest edge surface setting.
The fluid flow conduit can preferably be made of the flexible material of such as polymer etc, and can be by using all
As blowing, injection molding, rotary gelcasting etc feasible manufacturing process manufacture or the pipeline can also use such as sheet metal it
The ductile material of class is manufactured by the feasible technique of such as hydro-forming or processing etc, with can be formed desired shape and
Profile.
Along the cross section of the variation of the duct length can successfully adapt to restricted position without interference or
Existing encapsulating structure is rearranged, while realizing the pressure drop of the minimum in the length range of the pipeline.
Now participate in Fig. 3.
The figure illustrate the viewgraph of cross-section of the transport portion 22 intercepted at transition portion 36.Transition portion 36 has
Fillet trapezoid cross section, the cross section have long side L and short side S.Alternatively, for steady to another part from a part
It for ground trandfer fluid, is also advantageous using the cross section with other fillet polygonal shapes appropriate, these shape packets
Include but be not limited to round rectangle, rounded square, fillet quadrangle, fillet parallelogram, rounded diamond, fillet polygon etc..
As illustrated in fig. 1 and 2, fluid flow conduit 10 is connected to air filter by the inlet channel 21 of induction part 20
12.The induction part 20 of fluid flow conduit 10 extends and is combined together with transport portion 22.The narrow end portion 41 of first throat 42
It is engaged with one end of transition portion 36.The other end of transition portion 36 is engaged with the narrow end portion 51 of the second throat 52, and wide end
Portion 52 is engaged with exit portion 24.Fluid flow conduit 10 is connected to turbocharger by the exit passageway 25 of exit portion 24
14。
Referring now to Fig. 4：
The figure illustrate the side views of fluid flow conduit, where it can be seen that the position of Liang Ge throats 42,52 and orientation.
The global orientation of the throat 42,52 helps to provide contraction-divergencing path for fluid, which contributes to the stable of fluid
Conveying, to which the pressure drop in the length range of the pipeline can be minimized.
Referring now to Fig. 3 and Fig. 4, the first throat 42 and the second throat 52 are along the transition portion with fillet trapezoid cross section
The direction of 36 long side L positions.
Referring now to Fig. 5：
The wider side 40 of first throat 42 is configured to spatially closer to induction part 20.Similarly,
The wider side 50 of two throats 52 is configured to the spatially exit portion 24 closer to fluid flow conduit 10.
Surrounding air enters air filter 12, and dust, dirt and other coarse granules are filtered in air filter 12.
Filtered air passes through access road 21, and flow to conveying into the fluid flow conduit 10 that can also be referred to as admission line
Part 22.In flow process, air arrives first at the wide end portion 40 of the first throat 42, and the wide end portion 40 contributes to air flat
Quietly enter throat 42.The combination of the shape of the throat and adjacent transport portion contributes to the smooth flow of fluid, thus the
One throat 42 will prevent the air pressure entered from being reduced with transport portion 22 is entered.The inner concave of first throat 42 contributes to
As air from intake section 20 is moved in transport portion 22 and increases the table for the free-flowing that can be used for filtered air
Area.Transition portion 36 contributes to air from smoothly passing through in first the 42 to the second throat of throat 52, in the second throat 52
Place, the inner concave being set in the second throat 52 provide increased surface area to air again.Sky from transport portion 22
Gas is transported to turbocharger 14 by the exit passageway 25 of exit portion 24.In the inlet point and exit point of transport portion 22
Place, the first throat 42 and the second throat 52 form Venturi effect, stable to be provided by the minimum pressure drop in pipeline 10
Air stream, this will produce influence finally for the overall performance of engine E.Characteristic shape, morphology and continuous
The cross-sectional area of change can be obtained by the feasible manufacturing process being such as blow molded etc, wherein polymeric material be used to blow out
Different intended shapes and construction.
In a further embodiment, for from a position to the fluid flow conduit of another position trandfer fluid include into
Oral area points 20 and transport portion 22, the transport portion will act as exit portion, wherein the intake section and transport portion with
The cross section of the pipeline is set to be integrally connected from intake section to the mode of transport portion gradual change.Transport portion 22 is in this feelings
Exit portion is will act as under condition.The intake section and transport portion can be circular, rectangular, flat or oval
, but at any specified time point, there must be two different shapes at the part.Transport portion 22, which has, to be connected
The throat 42 of access port part 20 and transport portion 22.
Fluid flow conduit in internal combustion engine includes induction part, transport portion and exit portion.Induction part has
It is connected to the channel of air filter.Abrasion particles of the air filter limitation from environment enter combustion chamber, otherwise will lead
Cause the wear and tear of engine components.Induction part gradually leads to transport portion, and transport portion has along its length
The cross section of variation.Transport portion is combined with exit portion.Exit portion has the channel being in fluid communication with turbocharger.
In the case of lacking turbocharger, the exit portion of air inlet pipe can directly be in fluid communication with charge air cooler or inlet manifold.
The described herein and claimed present invention is not limited only to the specific embodiment of described in the text, because the embodiment is only
It is for illustrating certain aspects of the invention.Purpose is that any equivalent embodiment is fallen within the scope of the present invention.It is real
On border, for those skilled in the art, by above description, the invention being illustrated and described herein is made each
Kind modification all will be apparent.It is desirable also to these modifications should all fall within the scope of the appended claims.
Reference numerals list
10：Fluid flow conduit
12：Air filter
14：Turbocharger
16：Manifold
18：Cylinder
20：Intake section
21：Access road
22：Transport portion
24：Exit portion
25：Exit passageway
26：Mounting device
36：Transition portion
L：Long side
S：Short side
E：Engine
40：The wide end portion of first throat
41：The narrow end portion of first throat
42：First throat
50：The wide end portion of second throat
51：The narrow end portion of second throat
52：Second throat
Claims (9)
1. a kind of fluid flow conduit (10) has intake section (20), intermediate transfer section (22) and exit portion (24), wherein
One end of the intake section (20) and intermediate transfer section (22) so that the cross section of the fluid flow conduit from intake section
(20) it is integrally connected to the mode of transport portion (22) gradual change by the first throat (42), and the transport portion (22)
The other end so that the cross section of the fluid flow conduit passes through from transport portion (22) to the mode of exit portion (24) gradual change
Two throats (52) are integrally connected to exit portion (24), wherein the intake section (20), transport portion (22) and outlet portion
Divide (24) that there are different shape or size.
2. fluid flow conduit (10) according to claim 1, wherein the transport portion (22) includes connection described first
The transition portion (36) of throat (42) and second throat (52).
3. fluid flow conduit (10) according to claim 1 or 2, wherein the intake section (20), transport portion (22)
Shape with exit portion (24) is circular rectangular or flat or polygon or oval or these
The combination of shape or size.
4. fluid flow conduit (10) according to claim 1 or 2, wherein first throat (42) and the second throat
(52) there is the egg-shaped face shape with arcuate surface and inner concave, the egg-shaped face shape to have wide end portion at one end
(40,50) and the narrow end portion (41,51) at the other end.
5. fluid flow conduit (10) according to claim 2, wherein the transition portion (36) has fillet polygon horizontal
Section.
6. a kind of fluid flow conduit (10) has intake section (20) and transport portion (22), wherein the intake section (20)
With transport portion (22) so that the cross section of the fluid flow conduit is from intake section (20) to the mode of transport portion (22) gradual change
It is integrally connected by oval throat, and transport portion (22) has the institute for connecting the intake section and transport portion
State throat, wherein intake section (20) and transport portion (22) have different shape or size.
7. the fluid flow conduit (10) according to any one of preceding claims 1,2,5 and 6, wherein the fluid flow tubes
Road is fabricated from a flexible material and by being blow molded or being molded or rotary gelcasting is manufactured or the fluid flow conduit (10) can also
It is enough to be made up of hydroforming process or processing technology of ductile material.
8. the fluid flow conduit (10) according to any one of preceding claims 1,2,5 and 6, wherein the fluid flow tubes
Road is equipped with for the fluid flow conduit to be mounted on one or more of its correct position mounting device (26).
9. one kind being equipped with the internal combustion engine (E) of fluid flow conduit (10), wherein the fluid flow conduit (10) is equipped with intake section
(20), intermediate transfer section (22) and exit portion (24), wherein the intake section (20) and intermediate transfer section (22)
One end is so that the cross section of the fluid flow conduit passes through first from intake section (20) to the mode of transport portion (22) gradual change
Throat (42) is integrally connected, and the transport portion (22) the other end so that the fluid flow conduit cross section from
The mode of transport portion (22) to exit portion (24) gradual change is integrally attached to exit portion (24) by the second throat (52),
The wherein described intake section (20), transport portion (22) and exit portion (24) have different shape or size.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IN2552/MUM/2013 | 2013-08-02 | ||
| IN2552MU2013 IN2013MU02552A (en) | 2013-08-02 | 2013-08-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104343592A CN104343592A (en) | 2015-02-11 |
| CN104343592B true 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) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101794524B1 (en) * | 2016-03-30 | 2017-11-07 | 유병남 | Fluid flow acceleration apparatus for internal-combustion engine |
| KR102247680B1 (en) * | 2019-07-10 | 2021-05-04 | 세메스 주식회사 | Fluid supply unit and substrate treating apparatus having the same |
| SE544716C2 (en) * | 2019-12-20 | 2022-10-25 | Camfil Ab | Pleated filter element with different pleat heights and air filters comprising the filter element |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101187347A (en) * | 2006-09-19 | 2008-05-28 | 哈尔德克斯水利学公司 | Exhaust gas recirculation system for gasoline 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 |
Family Cites Families (1)
| 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 |
-
2013
- 2013-08-02 IN IN2552MU2013 patent/IN2013MU02552A/en unknown
-
2014
- 2014-01-21 CN CN201410027534.3A patent/CN104343592B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101187347A (en) * | 2006-09-19 | 2008-05-28 | 哈尔德克斯水利学公司 | Exhaust gas recirculation system for gasoline 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104343592A (en) | 2015-02-11 |
| IN2013MU02552A (en) | 2015-06-12 |
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