CN107514325B - Noise reduction device applied to automobile air inlet pipeline - Google Patents
Noise reduction device applied to automobile air inlet pipeline Download PDFInfo
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- CN107514325B CN107514325B CN201710962460.6A CN201710962460A CN107514325B CN 107514325 B CN107514325 B CN 107514325B CN 201710962460 A CN201710962460 A CN 201710962460A CN 107514325 B CN107514325 B CN 107514325B
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- noise reduction
- reduction device
- air inlet
- noise
- inlet pipeline
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- 230000009467 reduction Effects 0.000 title claims abstract description 44
- 238000007789 sealing Methods 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims 1
- 230000003584 silencer Effects 0.000 abstract description 14
- 238000013461 design Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000011161 development Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 7
- 239000003638 chemical reducing agent Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000008030 elimination Effects 0.000 description 5
- 238000003379 elimination reaction Methods 0.000 description 5
- 230000030279 gene silencing Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
- F02M35/1255—Intake silencers ; Sound modulation, transmission or amplification using resonance
- F02M35/1266—Intake silencers ; Sound modulation, transmission or amplification using resonance comprising multiple chambers or compartments
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention provides a noise reduction device applied to an automobile air inlet pipeline, two ends of the noise reduction device are connected to the automobile air inlet pipeline, the noise reduction device is provided with an upper shell and a lower shell, a row of chambers with the same width are arranged between the upper shell and the lower shell along the air inlet pipeline, central pipe modules which can be independently replaced and have the same outer contour dimension are arranged in each chamber, through holes are formed in the side wall of each central pipe module, the through holes are designed into various specifications according to noise reduction requirements, and the central pipe modules with the through holes with the corresponding shapes and the opening areas are arranged in each chamber according to the noise reduction requirements. The invention designs a modularized silencer structure capable of eliminating air inlet noise, and the difference of the noise can be met by replacing one or more cores, so that the structure is used for different engine calibration modes under various vehicle types or the same vehicle type, the production cost is reduced, and the noise reduction and debugging time is reduced.
Description
Technical Field
The invention relates to the field of noise reduction treatment of automobile pipeline systems, in particular to a noise reduction device applied to an automobile air inlet pipeline.
Background
With the development of domestic home automobile industry, people increasingly pay attention to the problem of automobile noise in the driving process and the hearing feeling in the driving process. Meanwhile, noise pollution of automobiles has a plurality of adverse effects on surrounding environments and pedestrians, which requires that the automobile acoustic solutions are focused in the automobile development process.
In the current solution, a broadband silencer is one of the very effective acoustic elements. Typically of unitary design, without disassembly. Different vehicle types, different superchargers of different engines and different calibration stages, different vehicle intake noise are different, and multiple whole vehicle tuning tests are required to be carried out on the broadband silencer according to different vehicle types and different vehicle development stages in the development process in the past. The integral silencer sample piece is required to be manufactured for multi-round test verification, and a great deal of manpower and material resources are required to be input for design change of the integral silencer, so that the development period is long, and the development cost is high.
Patent CN 204113389U discloses an air intake silencer capable of effectively reducing middle and high frequency and broadband air intake noise, which consists of a shell 1, a perforated pipe 2 and a shell 3, wherein a limit groove is formed in the shell 1, the perforated pipe 2 is axially arranged in the shell 1 and is limited by the limit groove, the shell 3 is fixedly connected to the shell i, the perforated pipe 2 and the shell 1 are separated by a plurality of radial partition boards, a gap of 1.5-2.5 mm is reserved between the partition boards and the shell 1, cavities on two sides of the partition boards are communicated, and a plurality of holes are formed in the surface of the perforated pipe 2. However, the replacement of the muffler disclosed in this reference requires the replacement of the perforated pipe 2 as a whole, which increases the cost, and if noise of a certain frequency needs to be eliminated, the perforated pipe 2 needs to be replaced continuously, and the aperture specifications of the perforated pipe 2 at the openings of each link need to be accurately adjusted, so that the perforated pipes 2 with various specifications need to be manufactured to meet different noise elimination requirements, which not only further increases the processing cost, but also increases the noise elimination debugging working time.
Disclosure of Invention
The invention aims to provide a modularized silencer, which can smoothly pass through the structure of the modularized silencer, and noise is eliminated when the air passes through the structure of the modularized silencer. The muffler is mounted on a conduit of an air intake system of a supercharged engine through which air enters the engine during operation of the engine, and noise generated by the supercharger and the engine is eliminated by the muffler. The modularized design makes the muffler capable of eliminating different noises by simply replacing the silencing cores inside the muffler under the condition that the shell is unchanged, and when the noise of a vehicle changes due to various reasons, the modularized muffler can cater for the change of the noise by replacing one or more cores, and the sample piece does not need to be manufactured again entirely, so that the production cost is reduced, and the noise reduction debugging time is reduced.
The specific scheme is as follows:
Be applied to automobile air intake duct's noise reduction device, noise reduction device is equipped with casing and lower casing, go up the casing with be provided with the cavity that a row of width is the same down along the air intake duct between the casing in, every center tube module that can independently change and the outline size is the same has all been placed in the cavity, and has seted up the through-hole on the lateral wall of every center tube module, the through-hole designs into multiple specification according to the demand of making an uproar that falls, will have the center tube module of corresponding specification through-hole to put into each cavity according to the requirement of making an uproar that falls.
Further, the cross section of the central tube module is cylindrical, elliptical or square.
Furthermore, the through holes are in the shape of strip, round and/or polygonal holes, and the opening area of the through holes is designed according to the noise reduction requirement.
Further, two ends of each central pipe module are provided with a circle of check ring;
The inner wall of the lower shell and the upper shell, which are positioned in each cavity, is provided with two slots, and check rings at two ends of the central pipe module are fixed in the slots.
Further, the height of each chamber is set according to the noise reduction requirement.
Further, the lower shell is provided with a sealing baffle between two adjacent chambers.
Further, after the upper shell and the lower shell are buckled together, each chamber is independent of each other.
Further, the upper shell and the lower shell are fixed by clamping, welding or bolts.
Furthermore, connecting pipes are arranged at two ends of the noise reduction device, the connecting pipes are connected to the automobile air inlet pipeline, and the connecting pipes are fixed to the automobile air inlet pipeline through flange connection, clamp connection and/or quick-insertion structures.
Further, the noise reduction device is provided with one or more chambers.
The invention designs a modularized silencer structure capable of eliminating intake noise, which comprises an upper shell, a lower shell and two or more cores, wherein different silencing cavities are formed, the width of each silencing cavity is the same, and the silencing frequency is adjusted by replacing the cores. The gas flows through the middle pipeline, and the noise is eliminated by the resonance principle due to the grooves or small holes on the wall surface of the central pipe of the silencer and the cavity surrounded by the outer shell. The change of noise can be met by replacing one or more cores, the sample piece does not need to be manufactured again entirely, the production cost is reduced, and meanwhile, the time for noise reduction and debugging is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an intake silencer capable of effectively reducing mid-high frequency, broadband intake noise according to the prior art;
FIG. 2 is a perspective view of a noise reducer according to an embodiment of the invention;
FIG. 3 is a cross-sectional view of a noise reducer according to an embodiment of the invention;
FIG. 4 is a schematic diagram illustrating an assembly of a noise reducer according to an embodiment of the present invention;
FIG. 5 is a schematic view of a single center tube module within a noise reducer according to one embodiment of the present invention;
FIG. 6 is a schematic diagram illustrating an assembly of a noise reducer according to an embodiment of the invention.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the invention may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the invention.
In order to provide a thorough understanding of the present invention, detailed steps and detailed structures will be presented in the following description in order to explain the technical solution of the present invention. Preferred embodiments of the present invention are described in detail below, however, the present invention may have other embodiments in addition to these detailed descriptions.
The technical scheme of the invention is further described below.
The utility model provides a be applied to noise reduction device of car admission line, this noise reduction device's both ends connect on car admission line, noise reduction device is equipped with casing 10 and lower casing 13, is provided with the cavity that a row of width is the same along the admission line between casing 10 and the lower casing 13, has all inserted the center tube module 14 that can independently change and the outline size is the same in every cavity. Fig. 2-5 illustrate a noise reducer having 4 chambers, with 4 center tube modules 14 inserted therein, in accordance with one embodiment of the present invention. Each central tube module 14 is cylindrical, and a through hole 14a is formed in a side wall of each central tube module 14. In practice, a center tube module 14 having a corresponding shape of the through hole 14a and opening size of the through hole 14a is inserted into each chamber according to the noise elimination requirement.
In an alternative embodiment of the present invention, the cross-sectional shape of the central tube module may be a linear or arcuate configuration that is cylindrical, oval or square. The opening area and shape of the through hole 14a formed on the side wall of the central tube module are designed according to the noise reduction requirement, and can be strip, round or polygonal. A circle of 4 strip-shaped through holes 14a which are disconnected are formed in the side wall of the central tube module 11 in the drawing. As shown by comparing fig. 4 and fig. 6, fig. 4 shows that through holes with the same shape but different opening widths are formed in each central tube module 14 in the upper and lower shells in one embodiment; fig. 6 shows that in one embodiment, through holes of different shapes and different densities are provided in each center tube module 14 in the upper and lower housings. In practical application, according to different pipelines and different noise reduction requirements, a proper central pipe module combination is placed in a shell, then noise reduction effect detection is carried out, and the central pipe module combination with the best noise reduction effect is matched with an upper shell and a lower shell to serve as the noise reduction device.
In an alternative embodiment of the present invention, a ring of retainer rings 14b are provided at both ends of each central tube module 14; the inner walls of the lower and upper cases 13 and 10 at each chamber are provided with two slots in which the retainer rings 14b at both ends of the center tube module 14 are inserted to fix the respective center tube modules 14 in the respective chambers.
In an alternative embodiment of the present invention, the heights of the chambers are set according to the noise reduction requirement, and may be the same or different, preferably, the heights of the chambers distributed from one end of the noise reduction device to the other end are gradually increased, as shown in fig. 3, the heights inside the chambers 16, 17, 18 and 19 from left to right are gradually increased, and correspondingly, the widths of the through holes of the central tube modules 14 inside the chambers 16, 17, 18 and 19 are gradually increased or decreased. On one hand, the product is more attractive and regular, on the other hand, the product can be matched with the inner central tube module 14 to adapt to different noise elimination requirements, and meanwhile, the debugging is convenient.
In an alternative embodiment of the invention, the lower housing 13 is provided with sealing flaps 15 between two adjacent chambers, the sealing flaps 15 isolating adjacent 2 chambers from each other except the central tube so that gas can only pass through the tube in the centre of the central tube module 14. In addition, after the upper shell and the lower shell are buckled together, each cavity is independent of each other. The upper shell and the lower shell are fixed together in a clamping, welding or bolt fixing mode, and the fixing is required to ensure the tightness of the connection of the upper shell and the lower shell, so that internal gas is not exposed.
In an alternative embodiment of the invention, the two ends of the noise reduction device are provided with connecting pipes 11, and the connecting pipes 11 are sleeved on the air inlet pipeline of the automobile. Further optionally, the connection pipe 11 is fixed to the air intake pipe of the vehicle by means of a flange connection, a hoop connection and/or a quick-plug structure. Adopt to insert the structure soon and realize the device of making an uproar with the air inlet line's connection, need use the back-off in order to avoid deviating from. In addition, in order to ensure the air tightness of the connection pipe 11 communicated with the air inlet pipeline of the automobile, a sealing ring 12 is arranged on the connection pipe 11 at two ends of the noise reduction device.
Compared with the prior art, the embodiment has the following advantages:
1. The space requirement is small, and the arrangement is convenient and flexible: according to the development of the modularized silencer by a plurality of platforms of a host factory, the requirement of products on space is generally reduced to the minimum, the development of the modularized silencer with 2 chambers or more is carried out, the size is slightly larger than that of a main pipeline, the space requirement is small, and the flexible arrangement of the products is convenient.
2. The development period is short, and the development cost is low: in the vehicle type application of a plurality of platforms, the product requirements are met and the product performance model selection table is perfected only by adjusting the porosity, the size and the like of the inner cannula, the model selection collocation arrangement production can be directly carried out in the practical application, the development period is short, and the research and development cost is low.
3. The application range is wide: the connection mode of the noise reduction device and the automobile air inlet pipeline can adopt flange connection, hoop connection and quick connection for selection, and can meet various types of superchargers or natural air suction connection modes; the product has small size and can be directly applied to each possible pipeline section before and after the supercharger.
4. Serializing: according to the front and rear conditions of the supercharger, serializing and modularization of the shells are carried out in each connection mode; modularization is carried out on the inner insertion pipe according to the requirements of a host factory; the connection is convenient and the noise elimination requirement of each frequency band is satisfied.
5. The selection is convenient, and the process is mature: in a series of products, the silencing capability is clear, the connection mode is clear, the process is clear, the shape selection is convenient, and the manufacturing process is mature.
6. The space is large: the size of the inner insertion tube is small, and one-die multi-hole manufacturing can be performed; the cost reduction space of the product is large.
The preferred embodiments of the present invention have been described above. It is to be understood that the invention is not limited to the specific embodiments described above, wherein devices and structures not described in detail are to be understood as being implemented in a manner common in the art; any person skilled in the art can make many possible variations and modifications to the technical solution of the present invention or modifications to equivalent embodiments without departing from the scope of the technical solution of the present invention, using the methods and technical contents disclosed above, without affecting the essential content of the present invention. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (7)
1. The noise reduction device is characterized in that the noise reduction device is provided with an upper shell and a lower shell, a row of chambers with the same width are arranged between the upper shell and the lower shell along the air inlet pipeline, central pipe modules which can be independently replaced and have the same outer contour dimension are arranged in each chamber, through holes are formed in the side wall of each central pipe module, the through holes are designed into various specifications according to the noise reduction requirement, and the central pipe modules with the through holes with the corresponding specifications are arranged in each chamber according to the noise reduction requirement;
Two ends of each central pipe module are provided with a circle of check ring; the inner walls of the lower shell and the upper shell, which are positioned in each cavity, are provided with two slots, the check rings at the two ends of the central pipe module are fixed in the slots,
The lower shell is provided with sealing separation blades between two adjacent chambers, and after the upper shell and the lower shell are buckled together, each chamber is mutually independent.
2. The noise reduction device applied to an air intake duct of an automobile according to claim 1, wherein the cross-sectional shape of the center tube module is cylindrical, elliptical or square.
3. Noise reduction device for use in an air intake duct of a motor vehicle according to claim 1 or 2, characterized in that the through-holes are shaped as strip-like, circular and/or polygonal holes, the opening area of which is designed according to the noise reduction requirements.
4. The noise reduction device applied to an air intake duct of an automobile according to claim 1, wherein the height of each of the chambers is set according to a noise reduction requirement.
5. The noise reduction device for an air intake duct of an automobile according to claim 1, wherein the upper case and the lower case are fastened by clamping, welding or bolts.
6. The noise reduction device applied to an automobile air inlet pipeline according to claim 1, wherein connecting pipes are arranged at two ends of the noise reduction device, the connecting pipes are connected to the automobile air inlet pipeline in a connected mode, and the connecting pipes are fixed to the automobile air inlet pipeline through flange connection, clamp connection and/or quick-insertion structure.
7. A noise reducing device for use in an air intake duct of an automobile as claimed in claim 1, wherein the noise reducing device is provided with one or more chambers.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710962460.6A CN107514325B (en) | 2017-10-17 | 2017-10-17 | Noise reduction device applied to automobile air inlet pipeline |
| PCT/CN2018/095129 WO2019076094A1 (en) | 2017-10-17 | 2018-07-10 | Noise reduction device applicable to air intake ducting of automobile, air intake ducting of automobile, automobile, and noise reduction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710962460.6A CN107514325B (en) | 2017-10-17 | 2017-10-17 | Noise reduction device applied to automobile air inlet pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107514325A CN107514325A (en) | 2017-12-26 |
| CN107514325B true CN107514325B (en) | 2024-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710962460.6A Active CN107514325B (en) | 2017-10-17 | 2017-10-17 | Noise reduction device applied to automobile air inlet pipeline |
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| Country | Link |
|---|---|
| CN (1) | CN107514325B (en) |
| WO (1) | WO2019076094A1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514325B (en) * | 2017-10-17 | 2024-04-30 | 天津大创科技有限公司 | Noise reduction device applied to automobile air inlet pipeline |
| DE102017130661A1 (en) * | 2017-12-20 | 2019-06-27 | Montaplast Gmbh | Broadband damper for a motor vehicle engine |
| CN113090849A (en) * | 2020-01-09 | 2021-07-09 | 上海亚大汽车塑料制品有限公司 | Silencer for automobile fuel evaporation pipe |
| CN112943493B (en) * | 2021-01-18 | 2024-03-22 | 鑫源汽车有限公司 | Automobile air inlet high-frequency resonant cavity with novel structure |
| CN113417829B (en) * | 2021-07-09 | 2022-05-27 | 同济大学 | Design method of multi-cavity muffler for fuel cell vehicle |
| US11912210B2 (en) * | 2021-09-27 | 2024-02-27 | Mann+Hummel Gmbh | Space-saving broadband resonator having a resonator insert |
| GB2616609B (en) * | 2022-03-14 | 2024-12-25 | Dyson Technology Ltd | Noise attenuator |
| CN114992418B (en) * | 2022-07-12 | 2024-08-06 | 合肥美的电冰箱有限公司 | Muffler assembly for pipeline, pipeline muffler device and refrigerator |
| CN115419529B (en) * | 2022-08-29 | 2024-01-16 | 岚图汽车科技有限公司 | Muffler assembly and noise verification method |
Citations (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06117270A (en) * | 1992-09-30 | 1994-04-26 | Honda Motor Co Ltd | Intake device of 4-cycle engine |
| FR2743848A1 (en) * | 1996-01-24 | 1997-07-25 | Peugeot | Adjustable silencer for air intake of vehicular combustion engine |
| KR20020088751A (en) * | 2001-05-21 | 2002-11-29 | 기아자동차주식회사 | Connection pipe for air intake device of vehicles |
| US7308967B1 (en) * | 2005-11-21 | 2007-12-18 | Gemini Technologies, Inc. | Sound suppressor |
| CN102444454A (en) * | 2011-12-21 | 2012-05-09 | 杭州银轮科技有限公司 | Diesel engine aftertreatment SCR catalytic conversion silencer |
| CN102996302A (en) * | 2012-08-11 | 2013-03-27 | 郭荣 | Silencer capable of eliminating both wideband noises and narrowband noises |
| CN202832715U (en) * | 2012-08-11 | 2013-03-27 | 郭荣 | Broadband muffler |
| CN203584534U (en) * | 2013-11-30 | 2014-05-07 | 奇瑞汽车股份有限公司 | Silencer for turbo supercharged engine |
| WO2014102747A1 (en) * | 2012-12-31 | 2014-07-03 | Teklas Kaucuk Sanayi Ve Ticaret A.S. | A broadband silencer |
| CN204113389U (en) * | 2014-09-19 | 2015-01-21 | 中国第一汽车股份有限公司 | A kind of admission air silencer that effectively can reduce medium-high frequency, wideband induction noise |
| CN104564454A (en) * | 2015-01-14 | 2015-04-29 | 四川汽车工业股份有限公司 | Intake muffler of automobile engine and realization method |
| CN204344328U (en) * | 2014-12-08 | 2015-05-20 | 国家电网公司 | A kind of tension machine |
| CN204492924U (en) * | 2015-01-14 | 2015-07-22 | 四川汽车工业股份有限公司 | A kind of intake silencer of motor car engine |
| CN205036479U (en) * | 2015-08-26 | 2016-02-17 | 安徽省锦瑞汽车部件有限公司 | Connecting pipe resonant cavity device admits air |
| CN205117452U (en) * | 2015-11-20 | 2016-03-30 | 嘉兴职业技术学院 | Automobile silencer |
| CN105822469A (en) * | 2016-05-11 | 2016-08-03 | 安徽江淮汽车股份有限公司 | Noise abatement device of engine air inlet system |
| CN106121881A (en) * | 2016-07-29 | 2016-11-16 | 重庆长安汽车股份有限公司 | High frequency acoustic filter in vehicle intercooler air inlet pipe |
| CN106286038A (en) * | 2016-10-25 | 2017-01-04 | 力帆实业(集团)股份有限公司 | A kind of silence type car admission line system |
| CN205977488U (en) * | 2016-08-11 | 2017-02-22 | 宝沃汽车（中国）有限公司 | Muffler and air intake system and vehicle |
| CN106468199A (en) * | 2015-08-21 | 2017-03-01 | 刘又嘉 | Electromotor Pear-Shaped deafener |
| CN206233971U (en) * | 2016-11-25 | 2017-06-09 | 曼胡默尔滤清器（上海）有限公司 | A kind of wideband Resonator device |
| CN206477934U (en) * | 2017-01-10 | 2017-09-08 | 宁波丰茂远东橡胶有限公司 | A kind of denoising device for engine aspirating system |
| WO2017171316A2 (en) * | 2016-03-28 | 2017-10-05 | 엘에스엠트론 주식회사 | Noise reduction device for vehicle |
| CN207278400U (en) * | 2017-10-17 | 2018-04-27 | 天津大创科技有限公司 | A kind of denoising device applied to automotive air intake pipeline |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2389150B (en) * | 2001-09-07 | 2004-08-25 | Avon Polymer Prod Ltd | Noise and vibration suppressors |
| EP1510667B1 (en) * | 2003-08-26 | 2008-10-08 | ABB Turbo Systems AG | Silencer |
| EP2444648B1 (en) * | 2010-10-19 | 2016-03-30 | Jaguar Land Rover Limited | Air duct attenuator |
| CN102644531B (en) * | 2011-02-16 | 2015-02-25 | 曼·胡默尔有限公司 | Resonant system |
| US9103306B2 (en) * | 2013-09-09 | 2015-08-11 | Ford Global Technologies, Llc | Engine noise attenuation |
| WO2015092488A1 (en) * | 2013-12-19 | 2015-06-25 | Teklas Kaucuk Sanayi Ve Ticaret A.S. | Modular sound absorber |
| CN107514325B (en) * | 2017-10-17 | 2024-04-30 | 天津大创科技有限公司 | Noise reduction device applied to automobile air inlet pipeline |
-
2017
- 2017-10-17 CN CN201710962460.6A patent/CN107514325B/en active Active
-
2018
- 2018-07-10 WO PCT/CN2018/095129 patent/WO2019076094A1/en active Application Filing
Patent Citations (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06117270A (en) * | 1992-09-30 | 1994-04-26 | Honda Motor Co Ltd | Intake device of 4-cycle engine |
| FR2743848A1 (en) * | 1996-01-24 | 1997-07-25 | Peugeot | Adjustable silencer for air intake of vehicular combustion engine |
| KR20020088751A (en) * | 2001-05-21 | 2002-11-29 | 기아자동차주식회사 | Connection pipe for air intake device of vehicles |
| US7308967B1 (en) * | 2005-11-21 | 2007-12-18 | Gemini Technologies, Inc. | Sound suppressor |
| CN102444454A (en) * | 2011-12-21 | 2012-05-09 | 杭州银轮科技有限公司 | Diesel engine aftertreatment SCR catalytic conversion silencer |
| CN102996302A (en) * | 2012-08-11 | 2013-03-27 | 郭荣 | Silencer capable of eliminating both wideband noises and narrowband noises |
| CN202832715U (en) * | 2012-08-11 | 2013-03-27 | 郭荣 | Broadband muffler |
| WO2014102747A1 (en) * | 2012-12-31 | 2014-07-03 | Teklas Kaucuk Sanayi Ve Ticaret A.S. | A broadband silencer |
| CN203584534U (en) * | 2013-11-30 | 2014-05-07 | 奇瑞汽车股份有限公司 | Silencer for turbo supercharged engine |
| CN204113389U (en) * | 2014-09-19 | 2015-01-21 | 中国第一汽车股份有限公司 | A kind of admission air silencer that effectively can reduce medium-high frequency, wideband induction noise |
| CN204344328U (en) * | 2014-12-08 | 2015-05-20 | 国家电网公司 | A kind of tension machine |
| CN204492924U (en) * | 2015-01-14 | 2015-07-22 | 四川汽车工业股份有限公司 | A kind of intake silencer of motor car engine |
| CN104564454A (en) * | 2015-01-14 | 2015-04-29 | 四川汽车工业股份有限公司 | Intake muffler of automobile engine and realization method |
| CN106468199A (en) * | 2015-08-21 | 2017-03-01 | 刘又嘉 | Electromotor Pear-Shaped deafener |
| CN205036479U (en) * | 2015-08-26 | 2016-02-17 | 安徽省锦瑞汽车部件有限公司 | Connecting pipe resonant cavity device admits air |
| CN205117452U (en) * | 2015-11-20 | 2016-03-30 | 嘉兴职业技术学院 | Automobile silencer |
| WO2017171316A2 (en) * | 2016-03-28 | 2017-10-05 | 엘에스엠트론 주식회사 | Noise reduction device for vehicle |
| CN105822469A (en) * | 2016-05-11 | 2016-08-03 | 安徽江淮汽车股份有限公司 | Noise abatement device of engine air inlet system |
| CN106121881A (en) * | 2016-07-29 | 2016-11-16 | 重庆长安汽车股份有限公司 | High frequency acoustic filter in vehicle intercooler air inlet pipe |
| CN205977488U (en) * | 2016-08-11 | 2017-02-22 | 宝沃汽车（中国）有限公司 | Muffler and air intake system and vehicle |
| CN106286038A (en) * | 2016-10-25 | 2017-01-04 | 力帆实业(集团)股份有限公司 | A kind of silence type car admission line system |
| CN206233971U (en) * | 2016-11-25 | 2017-06-09 | 曼胡默尔滤清器（上海）有限公司 | A kind of wideband Resonator device |
| CN206477934U (en) * | 2017-01-10 | 2017-09-08 | 宁波丰茂远东橡胶有限公司 | A kind of denoising device for engine aspirating system |
| CN207278400U (en) * | 2017-10-17 | 2018-04-27 | 天津大创科技有限公司 | A kind of denoising device applied to automotive air intake pipeline |
Non-Patent Citations (1)
| Title |
|---|
| 基于管口噪声灵敏度分析的进气系统结构改进;岳贵平;张义民;;机械工程学报;20101205(第23期);77-81页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019076094A1 (en) | 2019-04-25 |
| CN107514325A (en) | 2017-12-26 |
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