CN110397571A - Denoising device and compressor with upset air pulsing effect - Google Patents
Denoising device and compressor with upset air pulsing effect Download PDFInfo
- Publication number
- CN110397571A CN110397571A CN201910745961.8A CN201910745961A CN110397571A CN 110397571 A CN110397571 A CN 110397571A CN 201910745961 A CN201910745961 A CN 201910745961A CN 110397571 A CN110397571 A CN 110397571A
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- CN
- China
- Prior art keywords
- air inlet
- cushion chamber
- inlet pipe
- denoising device
- axis
- 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.)
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Links
- 230000000694 effects Effects 0.000 title abstract description 12
- 238000005192 partition Methods 0.000 claims abstract description 22
- 230000030279 gene silencing Effects 0.000 claims abstract description 21
- 230000003139 buffering effect Effects 0.000 claims description 11
- 230000003111 delayed effect Effects 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 8
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 12
- 230000009467 reduction Effects 0.000 description 7
- 230000010349 pulsation Effects 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 3
- 239000000872 buffer Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000013341 scale-up Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
- F04B39/0055—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes
- F04B39/0061—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes using muffler volumes
Abstract
The present invention provides a kind of denoising device and compressor with upset air pulsing effect.Denoising device includes shell, two partitions；The air-flow for flowing into silencing cavity flows into first cushion chamber along first direction, flows into second cushion chamber by first cushion chamber in a second direction, flows into the third cushion chamber by second cushion chamber along third direction.The denoising device and compressor with upset air pulsing effect provided by the invention, the flow direction of air-flow is set to change using three being sequentially connected for cushion chamber, air-flow revolution is controlled to upset the air pulsing period, to which noise caused by air pulsing be effectively reduced, and change regulating gas flow velocity using the sectional dimension of the section of air inlet pipe and cushion chamber, further decrease gas noise, the problem of non-return cover board can control gas flow rate and prevent gas flow counterflow and cause air turbulence, noise is effectively reduced, usage comfort is increased.
Description
Technical field
It is especially a kind of to be filled with the noise reduction for upsetting air pulsing effect the present invention relates to noise treatment equipment technical field
It sets and compressor.
Background technique
It is higher and higher to the performance requirement of refrigeration core equipment compressor with the rapid development of air-conditioning, refrigeration industry, sternly
High Market Situation, it is desirable that Compressor Manufacturing Industry constantly promotes compressor performance, and wherein noise and vibration become measurement pressure
One important indicator of contracting machine performance.Screw compressor have the characteristics that it is small in size, light-weight, stable, but simultaneously
Have the shortcomings that noise is big, Compressor Discharge Pressure is high, flow velocity is big, and in periodically superposition, therefore gas pulsation noises become
The main source of compressor noise, is chronically in the environment of strong noise, will cause hearing fatigue, Hearing and various
Disease affects people's lives, work and physical and mental health.
Summary of the invention
In order to solve the technical problem that air pulsing causes noise excessive, and a kind of control air-flow revolution is provided and reduces pressure
The denoising device and compressor of air pulsing effect are upset in having for contracting machine exhaust noise.
A kind of denoising device, comprising: shell, inside form silencing cavity；Two partitions, are set to inside the silencing cavity,
And the silencing cavity is divided into the first cushion chamber, the second cushion chamber and third cushion chamber of opposing seal, first cushion chamber,
Second cushion chamber and the third cushion chamber are sequentially communicated；The air-flow for flowing into silencing cavity flows into described first along first direction
Cushion chamber flows into second cushion chamber by first cushion chamber in a second direction, is buffered along third direction by described second
Chamber flows into the third cushion chamber, the first direction and the second direction and/or the third direction and the second party
To with angle.
The silencing cavity is cylindrical structure, and two partitions are set to described disappear along the axis of the cylindrical structure
The intracavitary portion of sound, and the shape of the partition is identical as the section of the cylindrical structure.
It is provided with air inlet on one end face of the cylindrical structure, exhaust outlet is provided on other end, and described
Second cushion chamber, first cushion chamber and the third cushion chamber are successively arranged side by side to the exhaust outlet direction along the air inlet
Arrangement.
The denoising device includes the first air inlet pipe, and first air inlet pipe is set at the air inlet, and described the
One air inlet pipe one end is connected to the external of the denoising device, and the other end buffers after running through second cushion chamber with described first
Chamber connection.
First air inlet pipe protrudes into the size in first cushion chamber more than or equal to the first cushion chamber thickness
Half.
The denoising device further includes the second air inlet pipe, and second air inlet pipe runs through a partition, and described the
One end of two air inlet pipe is protruded into first cushion chamber, and the other end protrudes into second cushion chamber.
Second air inlet pipe protrudes into the size in first cushion chamber more than or equal to the first cushion chamber thickness
Half, second air inlet pipe protrudes into the size in second cushion chamber, and to be greater than or equal to second cushion chamber thick
The half of degree.
The denoising device further includes third air inlet pipe, and the third air inlet pipe runs through two partitions, and described the
One end of three air inlet pipe is connected to second cushion chamber, and the other end is connected to the third cushion chamber.
The third air inlet pipe protrudes into the size in second cushion chamber more than or equal to the second cushion chamber thickness
Half, the third air inlet pipe protrudes into the size in the third cushion chamber, and to be greater than or equal to the third cushion chamber thick
The half of degree.
The denoising device further includes non-return cover board, and the third air inlet pipe that the non-return cover board is hingedly set to protrudes into described
End in three cushion chambers.
The denoising device further includes exhaust pipe, and one end of the exhaust pipe is protruded into the third cushion chamber, the other end
External with the denoising device is connected to.
The exhaust pipe protrudes into two that the size in the third cushion chamber is greater than or equal to the third cushion chamber thickness
/ mono-.
The axis of first air inlet pipe, the axis of second air inlet pipe, the axis of the third air inlet pipe and described
The axis of exhaust pipe is parallel with the axis of the cylindrical structure.
The axis collinear of the axis of first air inlet pipe and the axis of the exhaust pipe with the cylindrical structure.
The quantity of the quantity of second air inlet pipe and the third air inlet pipe is two, two second air inlet pipe
Axis for axis symmetry about the cylindrical structure is arranged, axis of two third air inlet pipe about the cylindrical structure
Axial symmetry setting.
The axis of second air inlet pipe and the axis of the cylindrical structure are formed by plane and the third air inlet
The included angle that the axis of pipe and the axis of the cylindrical structure are formed by plane formation is 90 °.
The section ruler of the sectional dimension of first air inlet pipe, the sectional dimension of second air inlet pipe and third air inlet pipe
The very little size for being respectively less than first cushion chamber section.
A kind of compressor, including above-mentioned denoising device.
It is provided by the invention have upset the denoising device and compressor of air pulsing effect, using three cushion chambers according to
Secondary connection makes the flow direction of air-flow change, and control air-flow revolution is to upset the air pulsing period, so that gas arteries and veins be effectively reduced
Noise caused by dynamic, and change regulating gas flow velocity using the sectional dimension of the section of air inlet pipe and cushion chamber, further drop
The problem of low gas noise, non-return cover board can control gas flow rate and prevent gas flow counterflow and cause air turbulence, effectively
Reduction noise, increase usage comfort.
Detailed description of the invention
Fig. 1 is the noise reduction of the embodiment of the denoising device and compressor provided by the invention for having and upsetting air pulsing effect
The cross-sectional view of the axis Jing Guo the second air inlet pipe of device；
Fig. 2 is the noise reduction of the embodiment of the denoising device and compressor provided by the invention for having and upsetting air pulsing effect
The cross-sectional view of the axis by third air inlet pipe of device；
Fig. 3 is the noise reduction of the embodiment of the denoising device and compressor provided by the invention for having and upsetting air pulsing effect
Cross-sectional view at the partition of the close air inlet of device；
In figure:
1, shell；2, silencing cavity；3, partition；4, the first cushion chamber；5, the second cushion chamber；6, third cushion chamber；7, first
Air inlet pipe；8, the second air inlet pipe；9, third air inlet pipe；10, exhaust pipe.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, right with reference to the accompanying drawings and embodiments
The present invention is further elaborated.It should be appreciated that described herein, the specific embodiments are only for explaining the present invention, not
For limiting the present invention.
Denoising device as shown in Figure 1 to Figure 3, comprising: shell 1, inside form silencing cavity 2；Two partitions 3, are set to
Inside the silencing cavity 2, and the silencing cavity 2 is divided and is delayed for the first cushion chamber 4, the second cushion chamber 5 and third of opposing seal
Chamber 6 is rushed, first cushion chamber 4, second cushion chamber 5 and the third cushion chamber 6 are sequentially communicated；Flow into silencing cavity 2
Air-flow flows into first cushion chamber 4 along first direction, flows into second buffering by first cushion chamber 4 in a second direction
Chamber 5 flows into the third cushion chamber 6, the first direction and the second direction by second cushion chamber 5 along third direction
And/or there is angle namely air-flow to enter the first cushion chamber 4, In by first direction for the third direction and the second direction
The second cushion chamber 5 is flowed by second direction after buffering in first cushion chamber 4, by third after then buffering in the second cushion chamber 5
Direction flows into third cushion chamber 6, realizes that control air-flow turns round using the change of first direction, second direction and third direction, comes
The air pulsing period is upset, to effectively reduce noise caused by air pulsing.
The silencing cavity 2 is cylindrical structure, and two partitions 3 are set to described along the axis of the cylindrical structure
Inside silencing cavity 2, and the shape of the partition 3 is identical as the section of the cylindrical structure namely edge and the noise reduction of partition 3
The inner surface of chamber 2 is sealed to form the first cushion chamber 4, the second cushion chamber 5 and third cushion chamber 6, wherein the first buffering
Chamber 4 is between two partitions 3, and the second cushion chamber 5 is in a side of the partition 3 far from the first cushion chamber 4, third cushion chamber
6 are in side of another partition 3 far from the first cushion chamber 4.
It is provided with air inlet on one end face of the cylindrical structure, exhaust outlet is provided on other end, and described
Second cushion chamber 5, first cushion chamber 4 and the third cushion chamber 6 along the air inlet to the exhaust outlet direction successively
The axis of laid out in parallel namely the second cushion chamber 5, the orientation of the first cushion chamber 4 and third cushion chamber 6 and cylindrical structure
Direction is identical.
The denoising device includes the first air inlet pipe 7, and first air inlet pipe 7 is set at the air inlet, and described
The external of first air inlet pipe, 7 one end and the denoising device be connected to, and the other end is after second cushion chamber 5 with described first
Cushion chamber 4 is connected to.
First air inlet pipe 7 protrudes into the size in first cushion chamber 4 and is greater than or equal to 4 thickness of the first cushion chamber
The half of degree, so that air-flow flows directly into the first side of the cushion chamber 4 far from air inlet, to allow the flow to effective
Accumulation buffering is carried out in the first cushion chamber 4, effectively reduces gas flow rate, to reduce noise.
The denoising device further includes the second air inlet pipe 8, and second air inlet pipe 8 runs through a partition 3, and described
One end of second air inlet pipe 8 is protruded into first cushion chamber 4, and the other end protrudes into second cushion chamber 5.
Second air inlet pipe 8 protrudes into the size in first cushion chamber 4 and is greater than or equal to 4 thickness of the first cushion chamber
The half of degree, second air inlet pipe 8 protrude into the size in second cushion chamber 5 and are greater than or equal to second buffering
The half of 5 thickness of chamber, it is identical as the principle of the first air inlet pipe 7, air-flow can be accumulated in the first cushion chamber 4 after by
The outflow of two air inlet pipe 8, and effectively accumulation buffering is able to carry out after flowing into the second cushion chamber 5.
The denoising device further includes third air inlet pipe 9, and the third air inlet pipe 9 runs through two partitions 3, and described
One end of third air inlet pipe 9 is connected to second cushion chamber 5, and the other end is connected to the third cushion chamber 6.
The third air inlet pipe 9 protrudes into the size in second cushion chamber 5 and is greater than or equal to 5 thickness of the second cushion chamber
The half of degree, the third air inlet pipe 9 protrude into the size in the third cushion chamber 6 and buffer more than or equal to the third
The half of 6 thickness of chamber, it is identical as the principle of the first air inlet pipe 7, air-flow can be accumulated in the second cushion chamber 5 after by
The outflow of three air inlet pipe 9, and effectively accumulation buffering is able to carry out after flowing into third cushion chamber 6.
The denoising device further includes non-return cover board, and the third air inlet pipe 9 that the non-return cover board is hingedly set to protrudes into described
End in third cushion chamber 6, wherein non-return cover board is connected to the end of third air inlet pipe 9 by pin shaft, and at non-return cover board
In normally off, gas can not be back in the second cushion chamber 5 by third cushion chamber 6 by third air inlet pipe 9, when third air inlet
When there is air-flow in pipe 9, non-return cover board is opened using the impact that air-flow generates, completes gas flowing, while can also be only
It returns on cover board and carries out aperture control and to control gas flow rate further decrease noise.
The denoising device further includes exhaust pipe 10, and one end of the exhaust pipe 10 is protruded into the third cushion chamber 6, separately
One end is connected to the external of the denoising device, and the special exhaust pipe 10 is set to the exhaust ports.
The exhaust pipe 10 protrudes into the size in the third cushion chamber 6 more than or equal to 6 thickness of third cushion chamber
Half, enable air-flow effectively in third cushion chamber 6 accumulate buffering.
The axis of the axis of first air inlet pipe 7, the axis of second air inlet pipe 8 and the third air inlet pipe 9 is equal
It is parallel with the axis of the cylindrical structure, namely make flowing side of the air-flow between the first cushion chamber 4 and the second cushion chamber 5
It is in the included angle of 180 ° namely first direction and second direction to the flow direction for entering the first cushion chamber 4 with air-flow
180 °, similarly flow direction and air-flow of the air-flow between the second cushion chamber 5 and third cushion chamber 6 are in the first cushion chamber 4 and
Flow direction between two cushion chambers 5 is 180 ° in 180 ° namely third direction and the angle angle of second direction, utilizes 180 °
Direction change, can effectively change the air pulsing period, and then offset a part of gases cycle pulsation, to effectively solve gas
Body period pulsation superposition bring noise scale-up problem.
The axis collinear of the axis of first air inlet pipe 7 and the cylindrical structure, so that into denoising device
Air-flow can be most fast be full of the first cushion chamber 4, guarantee the uniformity coefficient that flows in silencing cavity 2 of air-flow.
The quantity of the quantity of second air inlet pipe 8 and the third air inlet pipe 9 is two, two second air inlets
Pipe 8 is arranged about the axis for axis symmetry of the cylindrical structure, and two third air inlet pipe 9 are about the cylindrical structure
Axis for axis symmetry setting, enables air-flow symmetrically to be flowed in silencing cavity 2, and then generates the pulsation cancelled out each other, from
And effectively reduce noise.
The axis of second air inlet pipe 8 and the axis of the cylindrical structure are formed by plane and the third air inlet
The included angle that the axis of pipe 9 and the axis of the cylindrical structure are formed by plane formation is 90 °, particularly described second
The axis of air inlet pipe 8 to the cylindrical structure axis distance and third air inlet pipe 9 axis to the cylindrical structure
Axis be equidistant so that different by the second air inlet pipe 8 and pulsation when third air inlet pipe 9 in air-flow, generate mutual
Neutralization effect, to reduce noise.
Section of the sectional dimension of first air inlet pipe 7, the sectional dimension of second air inlet pipe 8 and third air inlet pipe 9
Face size is respectively less than the size in 4 section of the first cushion chamber, wherein 4 section of the first cushion chamber and 5 section of the second cushion chamber and
6 section of third cushion chamber is all the same, so that can generate the abrupt change of cross-section, In when air-flow passes through cushion chamber and three kinds of air inlet pipe respectively
Endoluminal expansion expansion is buffered, the effective acoustic reactance mutation generated using cushion chamber is slowed down exhaust noise, further increases reduction and make an uproar
The effect of sound.
A kind of compressor, including above-mentioned denoising device.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (18)
1. a kind of denoising device, it is characterised in that: include:
Shell (1), inside form silencing cavity (2)；
Two partitions (3) are set to the silencing cavity (2) inside, and the silencing cavity (2) are divided into the first of opposing seal and is delayed
Rush chamber (4), the second cushion chamber (5) and third cushion chamber (6), first cushion chamber (4), second cushion chamber (5) and institute
Third cushion chamber (6) is stated to be sequentially communicated；
The air-flow for flowing into silencing cavity (2) flows into first cushion chamber (4) along first direction, is delayed in a second direction by described first
It rushes chamber (4) and flows into second cushion chamber (5), the third cushion chamber is flowed by second cushion chamber (5) along third direction
(6), the first direction and the second direction and/or the third direction and the second direction have angle.
2. denoising device according to claim 1, it is characterised in that: the silencing cavity (2) is cylindrical structure, two institutes
Stating partition (3), along the axis of the cylindrical structure to be set to the silencing cavity (2) internal, and the shape of the partition (3) with
The section of the cylindrical structure is identical.
3. denoising device according to claim 2, it is characterised in that: be provided on an end face of the cylindrical structure
Air inlet is provided with exhaust outlet, and second cushion chamber (5), first cushion chamber (4) and the third on other end
Cushion chamber (6) is along the air inlet to the exhaust outlet direction successively laid out in parallel.
4. denoising device according to claim 3, it is characterised in that: the denoising device includes the first air inlet pipe (7), institute
It states the first air inlet pipe (7) to be set at the air inlet, and the outside of described first air inlet pipe (7) one end and the denoising device
Connection, the other end are connected to first cushion chamber (4) afterwards through second cushion chamber (5).
5. denoising device according to claim 4, it is characterised in that: it is slow that first air inlet pipe (7) protrudes into described first
The size rushed in chamber (4) is greater than or equal to the half of the first cushion chamber (4) thickness.
6. denoising device according to claim 4, it is characterised in that: the denoising device further includes the second air inlet pipe (8),
Second air inlet pipe (8) runs through a partition (3), and one end of second air inlet pipe (8) is protruded into described first and delayed
It rushes in chamber (4), the other end protrudes into second cushion chamber (5).
7. denoising device according to claim 6, it is characterised in that: it is slow that second air inlet pipe (8) protrudes into described first
The size rushed in chamber (4) is greater than or equal to the half of the first cushion chamber (4) thickness, and second air inlet pipe (8) is stretched
Enter the half that the size in second cushion chamber (5) is greater than or equal to the second cushion chamber (5) thickness.
8. denoising device according to claim 6, it is characterised in that: the denoising device further includes third air inlet pipe (9),
The third air inlet pipe (9) runs through two partitions (3), and one end of the third air inlet pipe (9) and second buffering
Chamber (5) connection, the other end are connected to the third cushion chamber (6).
9. denoising device according to claim 8, it is characterised in that: it is slow that the third air inlet pipe (9) protrudes into described second
The size rushed in chamber (5) is greater than or equal to the half of the second cushion chamber (5) thickness, and the third air inlet pipe (9) is stretched
Enter the half that the size in the third cushion chamber (6) is greater than or equal to third cushion chamber (6) thickness.
10. denoising device according to claim 8, it is characterised in that: the denoising device further includes non-return cover board, described
The third air inlet pipe (9) that non-return cover board is hingedly set to protrudes into the end in the third cushion chamber (6).
11. denoising device according to claim 8, it is characterised in that: the denoising device further includes exhaust pipe (10), institute
The one end for stating exhaust pipe (10) is protruded into the third cushion chamber (6), and the other end is connected to the external of the denoising device.
12. denoising device according to claim 11, it is characterised in that: the exhaust pipe (10) protrudes into the third buffering
Size in chamber (6) is greater than or equal to the half of third cushion chamber (6) thickness.
13. denoising device according to claim 11, it is characterised in that: the axis of first air inlet pipe (7), described
The axis of the axis of two air inlet pipe (8), the axis of the third air inlet pipe (9) and the exhaust pipe (10) with the cylinder
The axis of structure is parallel.
14. denoising device according to claim 13, it is characterised in that: the axis of first air inlet pipe (7) and described
Axis collinear of the axis of exhaust pipe (10) with the cylindrical structure.
15. denoising device according to claim 14, it is characterised in that: the quantity of second air inlet pipe (8) and described
The quantity of third air inlet pipe (9) is two, axis shaft pair of two second air inlet pipe (8) about the cylindrical structure
Claim setting, two third air inlet pipe (9) are arranged about the axis for axis symmetry of the cylindrical structure.
16. denoising device according to claim 15, it is characterised in that: the axis of second air inlet pipe (8) with it is described
The axis of cylindrical structure is formed by the axis of plane and the third air inlet pipe (9) and the axis institute of the cylindrical structure
The included angle that the plane of formation is formed is 90 °.
17. denoising device according to claim 11, it is characterised in that: the sectional dimension of first air inlet pipe (7), institute
The sectional dimension of the sectional dimension and third air inlet pipe (9) of stating the second air inlet pipe (8) is respectively less than first cushion chamber section
Size.
18. a kind of compressor, it is characterised in that: including denoising device described in any one of claims 1 to 17.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910745961.8A CN110397571B (en) | 2019-08-13 | 2019-08-13 | Noise reduction device with disturbing gas pulsation effect and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910745961.8A CN110397571B (en) | 2019-08-13 | 2019-08-13 | Noise reduction device with disturbing gas pulsation effect and compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110397571A true CN110397571A (en) | 2019-11-01 |
| CN110397571B CN110397571B (en) | 2024-03-08 |
Family
ID=68328202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910745961.8A Active CN110397571B (en) | 2019-08-13 | 2019-08-13 | Noise reduction device with disturbing gas pulsation effect and compressor |
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| Country | Link |
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| CN (1) | CN110397571B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH116417A (en) * | 1997-06-18 | 1999-01-12 | Nissan Motor Co Ltd | Exhaust muffler for automobile |
| US20020153187A1 (en) * | 2001-04-04 | 2002-10-24 | Hiroaki Tsukui | Exhaust system structure for motorcycle |
| CN202202924U (en) * | 2011-08-30 | 2012-04-25 | 重庆市北碚区枫火机械制造有限公司 | Muffler |
| CN204082265U (en) * | 2014-08-13 | 2015-01-07 | 南京工程学院 | A kind of exhaust silencer |
| CN105569772A (en) * | 2016-02-18 | 2016-05-11 | 力帆实业(集团)股份有限公司 | Silencer of exhaust system of motorcycle |
| CN208024428U (en) * | 2018-03-20 | 2018-10-30 | 厦门理工学院 | A kind of more interpolation muffler pipes |
| CN210599324U (en) * | 2019-08-13 | 2020-05-22 | 珠海格力电器股份有限公司 | Noise reduction device and compressor |
-
2019
- 2019-08-13 CN CN201910745961.8A patent/CN110397571B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH116417A (en) * | 1997-06-18 | 1999-01-12 | Nissan Motor Co Ltd | Exhaust muffler for automobile |
| US20020153187A1 (en) * | 2001-04-04 | 2002-10-24 | Hiroaki Tsukui | Exhaust system structure for motorcycle |
| CN1379169A (en) * | 2001-04-04 | 2002-11-13 | 本田技研工业株式会社 | Exhaust system structure of automatic two wheeled motorcycle |
| CN202202924U (en) * | 2011-08-30 | 2012-04-25 | 重庆市北碚区枫火机械制造有限公司 | Muffler |
| CN204082265U (en) * | 2014-08-13 | 2015-01-07 | 南京工程学院 | A kind of exhaust silencer |
| CN105569772A (en) * | 2016-02-18 | 2016-05-11 | 力帆实业(集团)股份有限公司 | Silencer of exhaust system of motorcycle |
| CN208024428U (en) * | 2018-03-20 | 2018-10-30 | 厦门理工学院 | A kind of more interpolation muffler pipes |
| CN210599324U (en) * | 2019-08-13 | 2020-05-22 | 珠海格力电器股份有限公司 | Noise reduction device and compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110397571B (en) | 2024-03-08 |
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