CN205154328U - A silencer for taking two exhaust structure of T engine - Google Patents
A silencer for taking two exhaust structure of T engine Download PDFInfo
- Publication number
- CN205154328U CN205154328U CN201520981772.8U CN201520981772U CN205154328U CN 205154328 U CN205154328 U CN 205154328U CN 201520981772 U CN201520981772 U CN 201520981772U CN 205154328 U CN205154328 U CN 205154328U
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- Prior art keywords
- chamber
- tube
- silencer
- stretches
- communicated
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- 230000003584 silencer Effects 0.000 title claims abstract description 28
- 239000011358 absorbing material Substances 0.000 claims abstract description 5
- 230000001743 silencing Effects 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000002912 waste gas Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 5
- 238000003379 elimination reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000002452 interceptive Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Abstract
The utility model discloses a silencer for taking two exhaust structure of T engine, including rear muffler, rear muffler is built -in to have input tube, intubate, first output tube and second output tube, and the one end of input tube communicates to rear muffler's inlet port, and the other end stretches into to first intracavity after passing the second chamber, has seted up the input punch combination on the input tube is located the partial pipe wall in second chamber, and has sound absorbing material in the packing of second intracavity, the one end of intubate stretches into to first intracavity, and the other end stretches into to the third chamber after passing the second chamber, has seted up cannula hole group on the intubate is located the partial pipe wall in second chamber, separate through first baffle and fourth chamber in the third chamber, has seted up the perforation on the baffle, the one end of first output tube stretches into to the third intracavity, and the other end communicates to rear muffler's first delivery outlet, the one end of second output tube stretches into to the third intracavity, and the other end communicates to rear muffler's second delivery outlet to be applicable to and turbosupercharged engine.
Description
Technical field
The utility model relates to a kind of silencing apparatus for the double-exhaust structure with T motor.
Background technique
Turbosupercharger is actually a kind of air compressor, increases air inflow by pressurized air.It is utilize motor to discharge waste gas inertia impulsive force to promote the turbine in turbine chamber, turbine drives again coaxial impeller, the air that impeller force feed is sent here by air-strainer pipeline, makes it supercharging and enters cylinder.When engine speed speeds, the waste gas velocity of discharge and secondary speed also synchronously speed, and impeller just compresses more air and enters cylinder, and the pressure of air and density increase the more fuel that can burn, corresponding increase fuel quantity and adjust the rotating speed of motor.
Compared to orthodox car motor, the peak output exported with the motor car engine of turbosupercharger is up to 40%, but, noise fast through the velocity of discharge of the waste gas of turbine is large, therefore needs to carry out noise reduction efficiently by baffler to the waste gas through turbine.
It is on 09 08th, 2009 in the applying date, notification number is describe a kind of Dual-exhaust port silencer of diesel generator in the patent documentation (hereinafter referred to as documents 1) of CN201521328U, the suction tude of silencing apparatus and the current path of outlet pipe are provided with at least two chambeies, the air outlet of epicoele is communicated with by connecting tube with the suction port of cavity of resorption, in each chamber, be provided with at least one noise elimination dividing plate form at least two chambers, the inwall of each chamber is provided with adjacent two chambers of silencing plate be communicated with by conduit, in the end the both sides in a chamber are respectively arranged with an outlet pipe, advantage is: structure is simple, low cost of manufacture, soundproof effect can reach quiet.
But the Dual-exhaust port silencer of diesel generator recorded in documents 1, only has the soundproof effect removing high frequency noise, is applicable to traditional diesel engine, and for having the turbosupercharged engine of Multiband noise, cannot be suitable for.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is to provide one to have preferably medium-high frequency acoustic attenuation performance, and there is preferably low frequency adjusting function, to be applicable to a kind of silencing apparatus for the double-exhaust structure with T motor with turbosupercharged engine.
For achieving the above object, the utility model provides following technological scheme:
For a silencing apparatus for the double-exhaust structure with T motor, comprise after silencer, described after silencer is built-in with supplying tube, intubate, the first output tube and the second output tube,
One end of described supplying tube is communicated to the inlet hole of after silencer, and the other end, through stretching in the first chamber behind the second chamber, the tube wall being positioned at the second cavity segment offers input hole group, and be filled with sound absorbing material at described supplying tube in described second chamber;
One end of described intubate stretches in the first chamber, and the other end, through stretching to the 3rd chamber behind the second chamber, the tube wall being positioned at the second cavity segment in described intubate offers insertion hole group;
Described 3rd chamber is separated by the first dividing plate and the 4th chamber, and described dividing plate offers perforation;
One end of described first output tube stretches in the 3rd chamber, and the other end is communicated to the first delivery outlet of after silencer;
One end of described second output tube stretches in the 3rd chamber, and the other end is communicated to the second delivery outlet of after silencer.
Preferably, separated between described first chamber and the second chamber by second partition, by the 3rd baffle for separating between described second chamber and the 3rd chamber, described second partition and the 3rd dividing plate all offer perforation.
Preferably, described after silencer is supporting front baffler, and described front baffler is built-in with resistive noise-reducing structure.
Preferably, described front baffler comprises front supplying tube and front output tube,
One end of described front supplying tube is communicated to the inlet hole of front baffler, and the other end stretches in front expansion chamber, and described front supplying tube is communicated to the first resistive chamber by input hole group before on its tube wall;
One end of described front output tube is communicated to the air outlet hole of front baffler, and the other end stretches in front expansion chamber, and described front output tube by its close close before delivery outlet group be communicated in the second resistive chamber;
Described first resistive chamber and the second resistive chamber are all filled with attractive material.
Compared with prior art, the noise that entered by the inlet hole of after silencer of the utility model is eliminating the high-frequency noises in it after first, second, and third by this along pipeline; 3rd chamber, the 4th chamber and the first dividing plate constitute resonance structure and can regulate particular low frequency performance.
Accompanying drawing explanation
Fig. 1 is the cut-away view of the utility model for baffler before the silencing apparatus embodiment of the double-exhaust structure with T motor;
Fig. 2 is the cut-away view of the utility model for the silencing apparatus embodiment after silencer of the double-exhaust structure with T motor.
Accompanying drawing marks: 1, front baffler; 11, the first resistive chamber; 12, front expansion chamber; 13, the second resistive chamber; 14, front supplying tube; 141, front input hole group; 15, front output tube; 151, front delivery outlet group; 2, after silencer; 21, the first chamber; 22, the second chamber; 23, the 3rd chamber; 24, the 4th chamber; 25, supplying tube; 251, input hole group; 26, intubate; 261, insertion hole group; 27, the first output tube; 28, the second output tube.
Embodiment
Referring to figs. 1 through Fig. 2, the silencing apparatus embodiment of the utility model for the double-exhaust structure with T motor is described further.
For a silencing apparatus for the double-exhaust structure with T motor, comprise front baffler 1 and after silencer 2; Wherein, after silencer 2 is built-in with supplying tube 25, intubate 26, first output tube 27 and the second output tube 28.
One end of supplying tube 25 is communicated to the inlet hole of after silencer 2, and the other end, through stretching in the first chamber 21 behind the second chamber 22, the tube wall being positioned at the second chamber 22 part offers input hole group 251, and be filled with sound absorbing material at supplying tube 25 in the second chamber 22.So, the waste gas entered by the inlet hole of after silencer 2 can enter in the first chamber 21 under the guiding of supplying tube 25; And entering in the process in the first chamber 21 at waste gas through supplying tube 25, the noise in waste gas can enter in the second chamber 22 by input hole group 251, and fricting movement between sound absorbing material in the second chamber 22, converting acoustic energy to thermal energy consumption falls; Mainly eliminate the noise of medium-high frequency.
One end of intubate 26 stretches in the first chamber 21, and the other end, through stretching to the 3rd chamber 23 behind the second chamber 22, the tube wall being positioned at the second chamber 22 part in intubate 26 offers insertion hole group 261.By above-mentioned design, on the one hand, the first chamber 21 can be regarded as an expansion chamber, realizes interfering noise reduction, mainly eliminate intermediate frequency noise by the cross-sectional sizes changing pipeline; On the other hand, waste gas enters in the process in the 3rd chamber 23 by the first chamber 21 through intubate 26, and its acoustic energy conversion thermal energy consumes in the effect of resistive noise-reducing structure of insertion hole group 261, second chamber 22 and the attractive material composition that is positioned at the second chamber 22 by the medium-high frequency noise in waste gas.
3rd chamber 23 is separated by the first dividing plate and the 4th chamber 24, and the first dividing plate offers perforation.So, when entering to the perforation on noise transmission to the first dividing plate in the 3rd chamber 23, gas in piercing aperture is under acoustic pressure effect, to-and-fro motion as piston, by friction and the damping function of aperture wall, make a part of acoustic energy be converted into thermal energy consumption to fall, resonant silencing structure has good soundproof effect to low-frequency noise, preferably can remove low frequency noise.
One end of first output tube 27 stretches in the 3rd chamber 23, and the other end is communicated to the first delivery outlet of after silencer 2; One end of second output tube 28 stretches in the 3rd chamber 23, and the other end is communicated to the second delivery outlet of after silencer 2.After noise is in the offgas eliminated effectively, what waste gas was shunted by the first output tube 27 and the second output tube 28 is expelled to outside.
Preferably, separated between the first chamber 21 and the second chamber 22 by second partition, by the 3rd baffle for separating between the second chamber 22 and the 3rd chamber 23, second partition and the 3rd dividing plate all offer perforation.By above-mentioned design proposal, effectively can strengthen the elimination ability to medium-high frequency noise in waste gas, make the medium-high frequency noise more crossed convert heat energy to by winning acoustic energy and consume.
Preferably, after silencer 2 is supporting front baffler 1, and front baffler 1 is built-in with resistive noise-reducing structure.Front baffler 1 can preferentially eliminate high frequency noise higher in waste gas, improves the working life of resistive noise-reducing structure in after silencer 2, and improves the ability that the present embodiment entirety eliminates high frequency noise.
Preferably, front baffler 1 comprises front supplying tube 14 and front output tube 15,
One end of front supplying tube 14 is communicated to the inlet hole of front baffler 1, and the other end stretches in front expansion chamber 12, and front supplying tube 14 is communicated to the first resistive chamber 11 by input hole group 141 before on its tube wall; One end of front output tube 15 is communicated to the air outlet hole of front baffler 1, and the other end stretches in front expansion chamber 12, and front output tube 15 by its close close before delivery outlet group 151 be communicated in the second resistive chamber 13; First resistive chamber 11 and the second resistive chamber 13 are all filled with attractive material.The present embodiment can eliminate the high frequency noise entering to after silencer 2 preferably in advance by the first resistive chamber 11 and the second resistive chamber 13, and be positioned at front expansion chamber 12, can medium and low frequency noise in elimination waste gas to a certain degree, improve the elimination ability of the overall centering low frequency noise of the present embodiment.
The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technological schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. for a silencing apparatus for the double-exhaust structure with T motor, comprise after silencer, described after silencer is built-in with supplying tube, intubate, the first output tube and the second output tube, it is characterized in that,
One end of described supplying tube is communicated to the inlet hole of after silencer, and the other end, through stretching in the first chamber behind the second chamber, the tube wall being positioned at the second cavity segment offers input hole group, and be filled with sound absorbing material at described supplying tube in described second chamber;
One end of described intubate stretches in the first chamber, and the other end, through stretching to the 3rd chamber behind the second chamber, the tube wall being positioned at the second cavity segment in described intubate offers insertion hole group;
Described 3rd chamber is separated by the first dividing plate and the 4th chamber, and described dividing plate offers perforation;
One end of described first output tube stretches in the 3rd chamber, and the other end is communicated to the first delivery outlet of after silencer;
One end of described second output tube stretches in the 3rd chamber, and the other end is communicated to the second delivery outlet of after silencer.
2. a kind of silencing apparatus for the double-exhaust structure with T motor according to claim 1, is characterized in that,
Separated by second partition between described first chamber and the second chamber, by the 3rd baffle for separating between described second chamber and the 3rd chamber, described second partition and the 3rd dividing plate all offer perforation.
3. a kind of silencing apparatus for the double-exhaust structure with T motor according to claim 1, is characterized in that,
Described after silencer is supporting front baffler, and described front baffler is built-in with resistive noise-reducing structure.
4. a kind of silencing apparatus for the double-exhaust structure with T motor according to claim 3, is characterized in that,
Described front baffler comprises front supplying tube and front output tube,
One end of described front supplying tube is communicated to the inlet hole of front baffler, and the other end stretches in front expansion chamber, and described front supplying tube is communicated to the first resistive chamber by input hole group before on its tube wall;
One end of described front output tube is communicated to the air outlet hole of front baffler, and the other end stretches in front expansion chamber, and described front output tube by its close close before delivery outlet group be communicated in the second resistive chamber;
Described first resistive chamber and the second resistive chamber are all filled with attractive material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520981772.8U CN205154328U (en) | 2015-04-09 | 2015-12-01 | A silencer for taking two exhaust structure of T engine |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520211528 | 2015-04-09 | ||
| CN2015202115283 | 2015-04-09 | ||
| CN201520981772.8U CN205154328U (en) | 2015-04-09 | 2015-12-01 | A silencer for taking two exhaust structure of T engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205154328U true CN205154328U (en) | 2016-04-13 |
Family
ID=55690035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520981772.8U Expired - Fee Related CN205154328U (en) | 2015-04-09 | 2015-12-01 | A silencer for taking two exhaust structure of T engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205154328U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971688A (en) * | 2016-07-22 | 2016-09-28 | 合肥汇凌汽车零部件有限公司 | Diesel internal combustion engine silencer |
-
2015
- 2015-12-01 CN CN201520981772.8U patent/CN205154328U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971688A (en) * | 2016-07-22 | 2016-09-28 | 合肥汇凌汽车零部件有限公司 | Diesel internal combustion engine silencer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20181201 |