CN201786503U - Muffler for reducing induction noise of mechanical supercharged engine - Google Patents
Muffler for reducing induction noise of mechanical supercharged engine Download PDFInfo
- Publication number
- CN201786503U CN201786503U CN2010205327680U CN201020532768U CN201786503U CN 201786503 U CN201786503 U CN 201786503U CN 2010205327680 U CN2010205327680 U CN 2010205327680U CN 201020532768 U CN201020532768 U CN 201020532768U CN 201786503 U CN201786503 U CN 201786503U
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- China
- Prior art keywords
- induction noise
- admission line
- mechanically
- reduce
- cavity
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- 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
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- 230000006698 induction Effects 0.000 title claims abstract description 22
- 230000030279 gene silencing Effects 0.000 claims description 16
- 230000003584 silencer Effects 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 230000008030 elimination Effects 0.000 abstract description 4
- 238000003379 elimination reaction Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to a muffler for reducing the induction noise of a mechanical supercharged engine, comprising an air inlet pipeline, wherein the periphery of the air inlet pipeline is provided with a muffler device. In the utility model, the muffler device is arranged at the periphery of the air inlet pipeline, and plays the role of noise elimination through noise elimination holes in an upper cavity and a lower cavity as well as through each separated small cavity, and the muffler has special effect of reducing the noise within the range of 500 Hz to 2000Hz to a certain extent.
Description
Technical field
The utility model relates to a kind of silencing apparatus, especially relates to a kind of silencing apparatus that is used to reduce the mechanically-sapercharged engine induction noise.
Background technique
From the second half in last century; Middle East Oil Crisis causes worldwide oil waste; and oil is non-renewable resources; force nearly all in the world famous automobile factory commercial city quickening the car that the general common people of developing country of development " low oil consumption, low price, little discharge capacity, little vehicle body " can both afford.Cheap, oil consumption is low, little discharge capacity, light pollution, light and flexible, broad-spectrum economy car have become one of most popular vehicle of global automobile market, national governments not only give lenient treatment on the car policy, and all encourage energetically to help with strong in every respect.Help the issuing and implementation that economy car industry development and market start policy along with China is a series of, domestic economy type market for automobiles will become maximum the segmenting market in the market for automobiles.2009, economy car became the car market and sells best vehicle, and the temperature in economy car market heats up always from the beginning of the year to the year end, had almost just reached boiling point in year, and this mainly has benefited from the deduction and exemption purchase tax policy that country releases.
But, economy car is to adopt engine driven supercharging to improve the engine power moment of torsion to play the purpose that reduces oil consumption and discharging simultaneously on 1.3 small displacement engines, and that the mechanical supercharger engine noise is compared the naturally aspirated engine induction noise is big many, satisfied in order to allow client accept, mechanically-sapercharged engine must effectively reduce induction noise.
Summary of the invention
The utility model has designed a kind of silencing apparatus that is used to reduce the mechanically-sapercharged engine induction noise, and the technical problem of its solution is that existing machinery supercharged engine induction noise is excessive, is harmful to the vehicle user, is not also accepted by the vehicle user.
In order to solve the technical problem of above-mentioned existence, the utility model has adopted following scheme:
A kind of silencing apparatus that is used to reduce the mechanically-sapercharged engine induction noise comprises an admission line, is provided with silencer at the periphery of described admission line.
Further, described silencer is two chambers: epicoele (1) and cavity of resorption (2), described epicoele (1) and described cavity of resorption (2) are communicated with described admission line (3) by a plurality of sound attenuation holes (12) on the chamber wall separately respectively.
Further, described epicoele (1) is divided into a plurality of independent loculuses (11), is provided with a plurality of sound attenuation holes (12) and is communicated with described admission line (3) on the chamber wall of each described independent loculus (11).
Further, described cavity of resorption (2) is divided into a plurality of independent loculuses (21), is provided with a plurality of sound attenuation holes (22) and is communicated with described admission line (3) on the chamber wall of each described independent loculus (21).
Further, described epicoele (1) and described cavity of resorption (2) are distributed in the both sides of described admission line (3) symmetrically.
Further, described epicoele (1) and described cavity of resorption (2) are by vibrating friction welding on described admission line (3).
Further, the diameter of described sound attenuation hole (22) is 4mm.
This silencing apparatus that is used to reduce the mechanically-sapercharged engine induction noise has following beneficial effect: the utility model is owing to be provided with silencer at the periphery of admission line, this silencer plays the noise elimination effect by the sound attenuation hole on epicoele and the cavity of resorption and each independent loculus, especially has certain amplitude to reduce effect to noise in the 500hz-2000hz scope.
Description of drawings
Fig. 1 is the plan view that the utility model is used to reduce the silencing apparatus of mechanically-sapercharged engine induction noise;
Fig. 2 is the left view that the utility model is used to reduce the silencing apparatus of mechanically-sapercharged engine induction noise;
Fig. 3 is the epicoele cross section view that the utility model is used to reduce the mechanically-sapercharged engine induction noise;
Fig. 4 is the cavity of resorption cross section view that the utility model is used to reduce the mechanically-sapercharged engine induction noise.
Description of reference numerals:
The 1-epicoele; 11-independence loculus; The 12-sound attenuation hole; The 2-cavity of resorption; 21-independence loculus; The 22-sound attenuation hole; The 3-admission line.
Embodiment
Below in conjunction with Fig. 1 to Fig. 4, the utility model is described further:
As shown in Figure 1, a kind of silencing apparatus that is used to reduce the mechanically-sapercharged engine induction noise comprises an admission line 3, is provided with silencer at the periphery of described admission line 3.Silencer is two chambers: epicoele 1 and cavity of resorption 2.Epicoele 1 and cavity of resorption 2 are communicated with admission line 3 by a plurality of sound attenuation holes 12 on the chamber wall separately respectively.
As shown in Figure 2, epicoele 1 and cavity of resorption 2 are by vibrating friction welding on admission line 3.Epicoele 1 and cavity of resorption 2 are distributed in the both sides of admission line 3 symmetrically.
As shown in Figure 3, epicoele 1 is divided into a plurality of independent loculuses 11, is provided with a plurality of sound attenuation holes 12 and is communicated with admission line 3 on the wall of the chamber of each independent loculus 11.The quantity of independent loculus 11 can be five.The diameter of each sound attenuation hole 22 is 4mm.
As shown in Figure 4, cavity of resorption 2 is divided into a plurality of independent loculuses 21, is provided with a plurality of sound attenuation holes 22 and is communicated with admission line 3 on the wall of the chamber of each independent loculus 21.The quantity of independent loculus 21 can be four.The diameter of each sound attenuation hole 22 is 4mm.
The working principle of this silencer is as follows: gas stream plays the noise elimination effect through admission line 3 by the sound attenuation hole on epicoele 1 and the cavity of resorption 2 12,22 and each independent loculus 11,21, especially has certain amplitude to reduce to noise in the 500hz-2000hz scope.
In conjunction with the accompanying drawings the utility model has been carried out exemplary description above; obvious realization of the present utility model is not subjected to the restriction of aforesaid way; as long as the various improvement of having adopted method design of the present utility model and technological scheme to carry out; or design of the present utility model and technological scheme are directly applied to other occasion without improving, all in protection domain of the present utility model.
Claims (7)
1. a silencing apparatus that is used to reduce the mechanically-sapercharged engine induction noise comprises an admission line (3), it is characterized in that: the periphery at described admission line (3) is provided with silencer.
2. according to the described silencing apparatus that is used to reduce the mechanically-sapercharged engine induction noise of claim 1, it is characterized in that: described silencer is two chambers: epicoele (1) and cavity of resorption (2), described epicoele (1) and described cavity of resorption (2) are communicated with described admission line (3) by a plurality of sound attenuation holes (12) on the chamber wall separately respectively.
3. according to the described silencing apparatus that is used to reduce the mechanically-sapercharged engine induction noise of claim 2, it is characterized in that: described epicoele (1) is divided into a plurality of independent loculuses (11), is provided with a plurality of sound attenuation holes (12) and is communicated with described admission line (3) on the chamber wall of each described independent loculus (11).
4. according to claim 2 or the 3 described silencing apparatuss that are used to reduce the mechanically-sapercharged engine induction noise, it is characterized in that: described cavity of resorption (2) is divided into a plurality of independent loculuses (21), is provided with a plurality of sound attenuation holes (22) and is communicated with described admission line (3) on the chamber wall of each described independent loculus (21).
5. according to the described silencing apparatus that is used to reduce the mechanically-sapercharged engine induction noise of claim 4, it is characterized in that: described epicoele (1) and described cavity of resorption (2) are distributed in the both sides of described admission line (3) symmetrically.
6. according to claim 2, the 3 or 5 described silencing apparatuss that are used to reduce the mechanically-sapercharged engine induction noise, it is characterized in that: described epicoele (1) and described cavity of resorption (2) are by vibrating friction welding on described admission line (3).
7. according to claim 2, the 3 or 5 described silencing apparatuss that are used to reduce the mechanically-sapercharged engine induction noise, it is characterized in that: the diameter of described sound attenuation hole (22) is 4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205327680U CN201786503U (en) | 2010-09-17 | 2010-09-17 | Muffler for reducing induction noise of mechanical supercharged engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205327680U CN201786503U (en) | 2010-09-17 | 2010-09-17 | Muffler for reducing induction noise of mechanical supercharged engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201786503U true CN201786503U (en) | 2011-04-06 |
Family
ID=43818468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205327680U Expired - Lifetime CN201786503U (en) | 2010-09-17 | 2010-09-17 | Muffler for reducing induction noise of mechanical supercharged engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201786503U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005778A (en) * | 2017-12-27 | 2018-05-08 | 马鞍山市常立发机械制造有限公司 | A kind of diesel engine mechanical pressurizing apparatus |
-
2010
- 2010-09-17 CN CN2010205327680U patent/CN201786503U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005778A (en) * | 2017-12-27 | 2018-05-08 | 马鞍山市常立发机械制造有限公司 | A kind of diesel engine mechanical pressurizing apparatus |
| CN108005778B (en) * | 2017-12-27 | 2023-12-01 | 马鞍山市常立发机械制造有限公司 | Mechanical supercharging device of diesel engine |
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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: 20110406 |