CN202370711U - Air inlet pipe - Google Patents
Air inlet pipe Download PDFInfo
- Publication number
- CN202370711U CN202370711U CN2011204320320U CN201120432032U CN202370711U CN 202370711 U CN202370711 U CN 202370711U CN 2011204320320 U CN2011204320320 U CN 2011204320320U CN 201120432032 U CN201120432032 U CN 201120432032U CN 202370711 U CN202370711 U CN 202370711U
- Authority
- CN
- China
- Prior art keywords
- pipeline section
- air
- suction tude
- noise reduction
- utility
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses an air inlet pipe, which is connected with an air cleaner of an automobile, wherein the air inlet pipe comprises a whirling pipe section (1), a noise reduction pipe section (2) and an air guide pipe section (3) which are connected in sequence; the whirling pipe section (1) is used for filtering impurities in an inlet air flow; the noise reduction pipe section (2) is used for reducing air inlet noise; and the air guide pipe section (3) is communicated with the air cleaner for guiding the inlet air flow which flows out of the noise reduction pipe section (2) into the air cleaner. Through the technical scheme, the air inlet pipe has the characteristics of effectively reducing the air inlet noise and increasing the dust containing capacity of an air inlet system, along with compact structure, light weight, convenience for assembly and easiness for implementation of industrialization.
Description
Technical field
The utility model relates to a kind of suction tude, particularly, relates to a kind of suction tude that is used for automobile.
Background technique
In the working procedure of motor car engine, except exhaust sound, the noise that gas handling system produces also should not be underestimated, especially to the control criterion of vehicle noise more and more stricter today.
Usually, the gas handling system of automobile generally is arranged in the cabin, when the suction tude of air-flow before the air-strainer sucks, and the suction tude internal pressure pulsation that periodically opened and closed by engine intake valve to cause and form microseismic noise.And in intake process, the air-flow high speed flow is crossed the intake valve flow area, can form strong eddy current crack.In addition, also have the Helmholtz resonance noise of outside cylinder, the air column resonance noise of admission line all can pass through the outside radiation propagation of suction port.If therefore induction noise can not be controlled well, will influence the standard that the car load noise reaches rules, even also can influence occupant's in the operator cabin travelling comfort.
In addition; Because the layout of gas handling system receives the limitation in space, so the filter paper area of air-strainer is limited, filters the impurity in the charge air flow if depend merely on air-strainer itself; It is not enough then can to make the more area of automobile impurity such as dust in air that the gas handling system dust containing capacity takes place; It is too much also just to cause arriving in the air of motor impurity, the maintenance period of gas handling system is shortened, even can cause damage to motor.
The model utility content
The purpose of the utility model provides a kind of suction tude, and this suction tude can make the noise of gas handling system reduce and the impurity in the charge air flow is reduced.
To achieve these goals, the utility model provides a kind of suction tude, and this suction tude is connected with the air-strainer of automobile, and wherein, this suction tude comprises eddy flow pipeline section, noise reduction pipeline section and the air guide pipeline section that connects successively, wherein
This eddy flow pipeline section is used for filtering the impurity of charge air flow;
This noise reduction pipeline section is used to reduce induction noise;
This air guide pipeline section is communicated with said air-strainer, is used for the charge air flow that said noise reduction pipeline section flows out is imported said air-strainer.
Preferably, the inlet of said eddy flow pipeline section is provided with a plurality of rotation blades.
Preferably, the inlet of said eddy flow pipeline section is provided with airstrainer.
Preferably, also be provided with dust-exhausting bag on the lower wall of said eddy flow pipeline section.
Preferably, said noise reduction pipeline section comprises outer wall layer and inner wall layer, has a plurality of holes on this inner wall layer.
Preferably, said inner wall layer is formed by the cotton thread braiding.
Preferably, between said eddy flow pipeline section and/or said noise reduction pipeline section and/or the said guiding pipeline section through being threaded.
Pass through technique scheme; The suction tude of the utility model comprises eddy flow pipeline section, noise reduction pipeline section and the air guide pipeline section that connects successively; Wherein the eddy flow pipeline section filters charge air flow; The noise reduction pipeline section reduces induction noise, and the charge air flow that flows through the noise reduction pipeline section flows into air-strainer through the guiding pipeline section.The suction tude of the utility model not only effectively reduces induction noise, can also improve the dust containing capacity of gas handling system, and has compact structure, and weight is lighter, the characteristics of being convenient to assemble, easy realization of industrialization.
Other feature and advantage of the utility model will partly specify in embodiment subsequently.
Description of drawings
Accompanying drawing is the further understanding that is used to provide the utility model, and constitutes the part of specification, is used to explain the utility model with following embodiment, but does not constitute the restriction to the utility model.In the accompanying drawings:
Fig. 1 is the suction tude schematic representation of existing technology;
Fig. 2 is the schematic representation of preferred implementation of the suction tude of the utility model;
Fig. 3 is the plan view according to the eddy flow pipeline section 1 of a plurality of rotation blades 12 of having of the utility model preferred implementation.
Description of reference numerals
1 eddy flow pipeline section, 11 dust-exhausting bags
2 noise reduction pipeline sections, 3 air guide pipeline sections
Embodiment
Be elaborated below in conjunction with the embodiment of accompanying drawing to the utility model.Should be understood that embodiment described herein only is used for explanation and explains the utility model, is not limited to the utility model.
In the utility model, Fig. 1 is the schematic representation of the suction tude of existing technology, and Fig. 2 is the schematic representation of preferred implementation of the suction tude of the utility model.Two figure in suction tude inlet all on the right, the left side for the outlet.
The utility model provides a kind of suction tude, and this suction tude is connected with the air-strainer of automobile, and wherein, this suction tude comprises eddy flow pipeline section 1, noise reduction pipeline section 2 and the air guide pipeline section 3 that connects successively, wherein
This eddy flow pipeline section 1 is used for filtering the impurity of charge air flow;
This noise reduction pipeline section 2 is used to reduce induction noise;
This air guide pipeline section 3 is communicated with said air-strainer, is used for the charge air flow that said noise reduction pipeline section 2 flows out is imported said air-strainer.
Different with the suction tude that mainly plays the air-flow leading role in the existing technology, the suction tude of the utility model has a plurality of pipeline sections that have difference in functionality respectively.Wherein, eddy flow pipeline section 1 is used for filtering the impurity of charge air flow, and noise reduction pipeline section 2 is used to reduce the noise of air inlet, and air guide pipeline section 3 is used for the guiding of charge air flow.
The utility model limits in this function to each pipeline section, and each pipeline section is realized that the means of above-mentioned functions do not limit.And any suitable method may be used to realize in the utility model above-mentioned purpose, and the purpose of the utility model is that protection realizes the suction tude of difference in functionality through different pipeline sections is set, and each pipeline section is realized that the means of function do not limit.
For example, the purpose of eddy flow pipeline section 1 is charge air flow is carried out pre-filtering, can utilize modes such as air filter screen or extra electric field to realize; The purpose of noise reduction pipeline section 2 is to reduce the induction noise of charge air flow, can be utilized in to form projection on the inwall of this pipeline section or utilize mode such as sound absorbing material to realize.
Below only each pipeline section of the suction tude of the utility model is realized that the means of its function simply give an example, thereby the suction tude that the technological scheme of the utility model is protected is supported fully, and be not that its mode of execution is limited to this.The mode of execution that below will introduce is the preferred implementation of the suction tude of the utility model.
Pass through technique scheme; The suction tude of the utility model comprises eddy flow pipeline section, noise reduction pipeline section and the air guide pipeline section that connects successively; Wherein the eddy flow pipeline section filters charge air flow; The noise reduction pipeline section reduces induction noise, and the charge air flow that flows through the noise reduction pipeline section flows into air-strainer through the guiding pipeline section.The suction tude of the utility model not only effectively reduces induction noise, can also improve the dust containing capacity of gas handling system, and has compact structure, and weight is lighter, the characteristics of being convenient to assemble, easy realization of industrialization.
Preferably, the inlet of said eddy flow pipeline section 1 is provided with a plurality of rotation blades 12 regularly.In addition, preferably, the inlet of said eddy flow pipeline section 1 is provided with airstrainer.
More than the given an example preferred implementation of two kinds of eddy flow pipeline sections 1.Airstrainer is a kind of fairly simple air-filtering mode commonly used, on the suction tude before the air-strainer, installs airstrainer additional to improve airfiltering effect, improves the quality of charge air flow, can protect motor better.
In addition, the utility model another kind of effect preferred implementation preferably that a kind of eddy flow pipeline section 1 also is provided.In the ingress of eddy flow pipeline section 1 a plurality of rotation blades 12 are set regularly; Be illustrated in figure 3 as the plan view of eddy flow pipeline section 1 with a plurality of rotation blades 12; Rotation blade 12 is provided with obliquely; Between a plurality of rotation blades 12 each other head and the tail be provided with overlappingly, and a side of a plurality of rotation blade 12 links together in the center of eddy flow pipeline section 1, another side connects respectively at the inwall of eddy flow pipeline section 1.When charge air flow flows into cyclone tube section 1 at a high speed under action of negative pressure; Because the large granular impurity in the leading role air-flow of rotation blade is separated to the tube wall face from air-flow under action of centrifugal force; And move downward along wall, pile up for periodic cleaning.
Preferably, also be provided with dust-exhausting bag 11 on the lower wall of said eddy flow pipeline section 1.
In above-mentioned preferred implementation, pile up blocked up then brought into noise reduction pipeline section 2 subsequently once more by charge air flow easily if be accumulated in impurity such as dust on the tube wall of eddy flow pipeline section, cause filtering effect to reduce.Therefore can dust-exhausting bag 11 be set on the lower wall of eddy flow pipeline section 1, make impurity such as dust fall into dust-exhausting bag 11 and collect periodic cleaning dust-exhausting bag 11.
Preferably, said noise reduction pipeline section 2 comprises outer wall layer and inner wall layer, has a plurality of holes on this inner wall layer.
Silencing apparatus can be divided into dissipative muffler, reactive muffler and impedance muffler by its working principle.Wherein dissipative muffler mainly uses expendable material to come mute, and when sound wave got into silencing apparatus, most of acoustic energy was absorbed, thereby plays the effect of noise elimination; Reactive muffler is called acoustic filter again, and reactive muffler simple in structure more is usually used in motor car engine and other the piston-engined air inlet system and exhaust system.
In the preferred implementation of the noise reduction pipeline section 2 of the utility model, this noise reduction pipeline section 2 comprises inside and outside two layers of walls, and inner wall layer is provided with a plurality of holes, and each aperture has all played the effect of similar Helmholtz resonance exhaust silencer.When noise reduction pipeline section 2 is arrived in noise transmission, because the existence of aperture causes the air column resonance in the broad frequency band, noise is changed into the heat energy dissipation, thereby significantly reduce the noise of charge air flow.
Preferably, said inner wall layer is formed by the cotton thread braiding.Not only cost is lower for the inner wall layer of cotton thread braiding, is convenient to assembling, and material softness, helps reducing noise.
Preferably, between said eddy flow pipeline section 1 and/or said noise reduction pipeline section 2 and/or the said guiding pipeline section 3 through being threaded.
Because each pipeline section of the suction tude of the utility model has function separately respectively, therefore form respectively usually and then fit together.And the suction tude of the utility model is processed by plastic materials etc. usually.Therefore preferably adopt the mode that is threaded to link together between each pipeline section; Form the screw thread that cooperatively interacts on the inner and outer wall of two pipeline sections that are connected respectively; Be threaded through this and can be directly the body of pipeline section be linked together; Easy accessibility not only, and do not need extra link, simple in structure.
Certainly, can connect through other modes between each pipeline section, for example form the modes such as hole of passing link at tube wall, the utility model does not limit this.
Air guide pipeline section 3 in the suction tude of the utility model plays the effect of air-flow guiding, owing to be applicable to that the mode of execution of the air guide pipeline section 3 of the utility model much also is readily appreciated that, does not limit and introduces its structure at this.
More than combine accompanying drawing to describe the preferred implementation of the utility model in detail; But; The utility model is not limited to the detail in the above-mentioned mode of execution; In the technical conceive scope of the utility model, can carry out multiple simple variant to the technological scheme of the utility model, these simple variant all belong to the protection domain of the utility model.
Need to prove in addition; Each concrete technical characteristics described in above-mentioned embodiment under reconcilable situation, can make up through any suitable manner; For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible compound modes.
In addition, also can carry out combination in any between the various mode of execution of the utility model, as long as its thought without prejudice to the utility model, it should be regarded as content disclosed in the utility model equally.
Claims (7)
1. suction tude, this suction tude is connected with the air-strainer of automobile, it is characterized in that, and this suction tude comprises eddy flow pipeline section (1), noise reduction pipeline section (2) and the air guide pipeline section (3) that connects successively, wherein
This eddy flow pipeline section (1) is used for filtering the impurity of charge air flow;
This noise reduction pipeline section (2) is used to reduce induction noise;
This air guide pipeline section (3) is communicated with said air-strainer, is used for the charge air flow that said noise reduction pipeline section (2) flows out is imported said air-strainer.
2. suction tude according to claim 1 is characterized in that, the inlet of said eddy flow pipeline section (1) is provided with a plurality of rotation blades (12).
3. suction tude according to claim 1 is characterized in that, the inlet of said eddy flow pipeline section (1) is provided with airstrainer.
4. suction tude according to claim 1 is characterized in that, also is provided with dust-exhausting bag (11) on the lower wall of said eddy flow pipeline section (1).
5. suction tude according to claim 1 is characterized in that, said noise reduction pipeline section (2) comprises outer wall layer and inner wall layer, has a plurality of holes on this inner wall layer.
6. suction tude according to claim 5 is characterized in that, said inner wall layer is formed by the cotton thread braiding.
7. suction tude according to claim 1 is characterized in that, between said eddy flow pipeline section (1) and/or said noise reduction pipeline section (2) and/or the said guiding pipeline section (3) through being threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204320320U CN202370711U (en) | 2011-11-03 | 2011-11-03 | Air inlet pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204320320U CN202370711U (en) | 2011-11-03 | 2011-11-03 | Air inlet pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202370711U true CN202370711U (en) | 2012-08-08 |
Family
ID=46594417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204320320U Expired - Lifetime CN202370711U (en) | 2011-11-03 | 2011-11-03 | Air inlet pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202370711U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089498A (en) * | 2011-11-03 | 2013-05-08 | 北汽福田汽车股份有限公司 | Air inlet pipe |
| CN107327360A (en) * | 2016-09-26 | 2017-11-07 | 吴潮生 | Automobile-used air inlet pipe |
| CN113775446A (en) * | 2021-08-31 | 2021-12-10 | 北汽福田汽车股份有限公司 | Air intake system of engine and vehicle that has it |
-
2011
- 2011-11-03 CN CN2011204320320U patent/CN202370711U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089498A (en) * | 2011-11-03 | 2013-05-08 | 北汽福田汽车股份有限公司 | Air inlet pipe |
| CN107327360A (en) * | 2016-09-26 | 2017-11-07 | 吴潮生 | Automobile-used air inlet pipe |
| CN107327360B (en) * | 2016-09-26 | 2023-04-07 | 吴潮生 | Air inlet pipe for vehicle |
| CN113775446A (en) * | 2021-08-31 | 2021-12-10 | 北汽福田汽车股份有限公司 | Air intake system of engine and vehicle that has it |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9951728B2 (en) | Acoustic attenuator for an engine booster | |
| US8348012B2 (en) | Resonator | |
| CN102654089B (en) | Air duct assembly for engine | |
| CN103089498A (en) | Air inlet pipe | |
| CN202370711U (en) | Air inlet pipe | |
| CN104975909A (en) | Automobile exhaust silencer with air purifying function | |
| CN108757244A (en) | A kind of engine intake duct | |
| CN103452717B (en) | A kind of car engine air admittance baffler | |
| US20130291500A1 (en) | Air cleaner with integrated resonator | |
| CN201065799Y (en) | Automobile air admission system | |
| CN203835578U (en) | Air inlet system of automobile engine | |
| CN204716362U (en) | Engineering machinery noise-reducing silencer | |
| CN206267994U (en) | A kind of air inlet pipeline and automobile | |
| CN201041110Y (en) | Air admission silencing structure of automobile | |
| CN102359407A (en) | Multi-cavity labyrinth silencer | |
| CN202108561U (en) | Exhaust muffler for automobile | |
| CN202181974U (en) | Impedance composite type admission air silencer for diesel fork lift truck | |
| CN205225523U (en) | Silencer with necking down structure | |
| CN202117737U (en) | Exhaust silencer for high-capacity automobile | |
| CN103953476B (en) | A kind of automotive engine air intake system | |
| CN105020071B (en) | A kind of turbocharged engine intake muffler | |
| CN202300577U (en) | Side-connected diffusion impedance composite muffler device | |
| CN201344082Y (en) | Efficient forklift air intake eliminator | |
| CN111441886A (en) | Vehicle-mounted generator set air inlet and exhaust device capable of reducing noise and removing dust | |
| CN206158820U (en) | Impedance combined silencer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120808 |