CN107830590A - Pipeline silencer and air conditioning system - Google Patents
Pipeline silencer and air conditioning system Download PDFInfo
- Publication number
- CN107830590A CN107830590A CN201710984465.9A CN201710984465A CN107830590A CN 107830590 A CN107830590 A CN 107830590A CN 201710984465 A CN201710984465 A CN 201710984465A CN 107830590 A CN107830590 A CN 107830590A
- Authority
- CN
- China
- Prior art keywords
- inner chamber
- noise
- chamber
- reducing components
- gas channel
- 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.)
- Granted
Links
- 238000004378 air conditioning Methods 0.000 title claims abstract description 11
- 230000003584 silencer Effects 0.000 title abstract 3
- 239000013536 elastomeric material Substances 0.000 claims description 3
- 230000010349 pulsation Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/08—Compressors specially adapted for separate outdoor units
- F24F1/12—Vibration or noise prevention thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/245—Means for preventing or suppressing noise using resonance
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention provides a pipeline silencer and an air conditioning system, wherein the pipeline silencer comprises a shell and a noise reduction part; the shell is provided with an inner cavity, and the two ends of the shell are respectively provided with an inlet and an outlet, so that airflow can enter the inner cavity through the inlet and flow out through the outlet; the noise reduction component is arranged in the inner cavity, a resonance cavity is arranged on the noise reduction component, an airflow channel is arranged at one end of the resonance cavity, and the resonance cavity is communicated with the inner cavity through the airflow channel, so that airflow in the inner cavity can enter the resonance cavity through the airflow channel to circulate and then flows out through the airflow channel, and airflow pulsation is reduced. The invention has the advantages of reasonable design and simple structure, and can relieve the airflow pulsation in the pipeline, further effectively control the sound transmitted by the compressor and improve the noise reduction effect.
Description
Technical field
The present invention relates to family's electro-technical field, more particularly to a kind of pipeline muffler and air-conditioning system.
Background technology
With the continuous progress of science and technology and the increasingly raising of people's living standard, air-conditioning has become the daily life of people
One of most important household electrical appliance in work.
Within air-conditioning systems, under heating or cooling condition, continuous sound often occurs in indoor, and human ear has been listened
Come like a hen on a hot girdle, this sound is referred to as in the industry " transmission sound ", transmit sound be the noise by outside frequency using refrigerant as carrier,
Indoor is delivered in the form of pressure fluctuation by indoor lateral connecting tube.Therefore, it is possible to efficiently reduce outside noise
Transmission be to improve one of key that compressor transmits sound.
The content of the invention
It is a primary object of the present invention to provide a kind of pipeline muffler and air-conditioning system, it can alleviate the gas in pipeline
Stream pulsation, and then compressor is transmitted sound and obtained effective control, improve noise reduction.
One aspect of the present invention provides a kind of pipeline muffler, including housing and noise-reducing components；
The housing has inner chamber, and both ends have entrance and exit respectively, allows the flow to enter by the entrance
The inner chamber as described in, and pass through the outlet and flow out；
The noise-reducing components are arranged in the inner chamber, and resonator chamber, the resonant cavity are provided with the noise-reducing components
One end there is gas channel, the resonator chamber is connected with the inner chamber by the gas channel, made in the inner chamber
Air-flow is flowed out by the gas channel again after can entering resonator chamber circulation by the gas channel, to reduce gas
Stream pulsation.
More preferably, the quantity that the resonator chamber includes is two or more, the body of resonator chamber described in wherein at least two
Product is not mutually equal.
More preferably, one end of the remote gas channel of the resonator chamber has the end that can be connected with the inner chamber
Mouthful, seal member is provided with the port, to block the port.
More preferably, the seal member is made using elastomeric material；
And/or between the seal member and the port for interference fit.
More preferably, the inner chamber is shaped as cylinder, and the noise-reducing components are the circle that external diameter matches with the inner chamber
Cylindricality, and be fixedly connected on the internal chamber wall；
Passage is provided with the noise-reducing components, the gas that the inner chamber is entered from the entrance can be by described logical
Stomata flows to the outlet.
More preferably, the axis of the passage overlaps with the axis of the inner chamber；
And/or when the resonator chamber is cylindrical, the resonator chamber is axis and the passage diameter parallel
Cylinder.
More preferably, when the quantity of the resonator chamber is two or more, more than two resonator chambers are with institute
Ventilation axially bored line is stated uniformly to be laid on the circumference in the center of circle.
More preferably, it is provided with the outer surface of the noise-reducing components along the axially extending section of the noise-reducing components, makes institute
State noise-reducing components can be by forming circulation passage, from described in entrance entrance between the inwall of the section and the housing
The gas of inner chamber can flow to the outlet by the circulation passage.
More preferably, the quantity of the section is two or more, and is uniformly laid along the circumferential of the noise-reducing components.
More preferably, the quantity of the noise-reducing components is two or more, and noise-reducing components described in two or more are along the inner chamber
Axis direction be intervally arranged successively.
More preferably, the housing includes the first piece housing and the second piece housing；
One end of first piece housing has the entrance, and the other end is the first opening end, second piece housing
One end has the outlet, and the other end is the second opening end, and first opening end and second opening end match, and make institute
First opening end for stating the first piece housing is connected on the second opening end of second piece housing.
More preferably, the resonator chamber and the shape of the gas channel are cylinder, and the axis of the two overlaps.
More preferably, in the axis direction along the inner chamber, the length of the inner chamber is L, and Wherein V is the volume of the resonator chamber, and L1 is the length of the gas channel, and d is described
The diameter of gas channel, S are the sectional area of the gas channel.
Another aspect of the invention provides a kind of air-conditioning system, includes the pipeline muffler of any of the above technical characteristic.
The pipeline muffler of the offer of the present invention, using being provided with resonator chamber, the resonant cavity on the noise-reducing components
One end there is gas channel, the resonator chamber is connected with the inner chamber by the gas channel, made in the inner chamber
Air-flow is flowed out by the gas channel again after can entering resonator chamber circulation by the gas channel, to reduce gas
The technical scheme of pulsation is flowed, the gas in pipeline can be alleviated, and then air-conditioning system is transmitted sound and has obtained effective control,
Improve noise reduction.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the present invention, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the example structure schematic diagram of pipeline muffler one provided by the invention；
Fig. 2 is the noise-reducing components diagrammatic cross-section in Fig. 1；
Fig. 3 is the left view in Fig. 2；
In figure：1st, housing；11st, inner chamber；12nd, entrance；13rd, export；14th, the first piece housing；15th, the second piece housing；2nd, drop
Make an uproar part；21st, resonator chamber；22nd, gas channel；23rd, seal member；24th, passage；25th, section.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the specific embodiment of the invention and
Technical solution of the present invention is clearly and completely described corresponding accompanying drawing.Obviously, described embodiment is only the present invention one
Section Example, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out under the premise of creative work the every other embodiment obtained, belong to the scope of protection of the invention.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so use
Data can exchange in the appropriate case, so as to embodiments of the invention described herein can with except illustrating herein or
Order beyond those of description is implemented.
As shown in Figure 1, 2, 3, a kind of pipeline muffler, including housing 1 and noise-reducing components 2, housing 1 have inner chamber 11, and
And both ends have entrance 12 and outlet 13 respectively, allow the flow to enter inner chamber 11 by entrance 12, and by exporting 13 outflows,
Noise-reducing components 2 are arranged in inner chamber 11, and resonator chamber 21 is provided with noise-reducing components 2, and one end of resonant cavity has gas channel
22, resonator chamber 21 is connected by gas channel 22 with inner chamber 11, the air-flow in inner chamber 11 is entered by gas channel 22
Enter after resonator chamber 21 circulates and flowed out again by gas channel 22, so when air-flow outflows back to inner chamber 11 by gas channel 22
When middle, the pulsation of air-flow is buffered, and compressor is transmitted sound and has been obtained effective control, improves noise reduction.
Due to resonant cavity frequencyC is the exhaust velocity of sound of refrigerant, and V is the body of resonator chamber 21
Product, S are the sectional area of gas channel 22, and L1 is the length of gas channel 22.Therefore in actual fabrication, the number of resonator chamber 21
Amount can be two or more, and the volume of wherein at least two resonator chamber is not mutually equal.Using such technical scheme, Ke Yitong
Cross the different multiple resonator chambers 21 of volume and noise reduction is carried out to the noise of different frequent points respectively, and then noise reduction is carried significantly
It is high.
As a kind of embodiment, one end of the remote gas channel 22 of resonator chamber 21 has and can connected with inner chamber 11
Logical port (not shown), is provided with seal member 23, to block port on port.Lathe pair can so be first passed through
The inwall of resonator chamber 21 is processed, and after completion of processing, port is being blocked up by seal member 23.And then ensure resonator chamber 21
Inwall machining accuracy, can effectively reduce gas.
Specifically, seal member 23 can use elastomeric material (such as rubber) to make, and alleviate gas with more effective degree,
It can be connected between seal member 23 and port by way of interference fit, when being not limited to that, seal member 23
It can be metal, and be fixed on by way of welding on port.
Specifically, inner chamber 11 is shaped as cylinder, and noise-reducing components 2 are the cylinder that external diameter matches with inner chamber 11, and
It is fixedly connected on the wall of inner chamber 11, wherein, noise-reducing components 2 can be connected by way of interference fit with the wall of inner chamber 11,
It can be fixedly connected on by welding or other achievable modes on the wall of inner chamber 11.Wherein as shown in Fig. 1,2,3, noise reduction unit
Passage 24 is provided with part 2, the gas of inner chamber 11 is entered from entrance 12 to flow to outlet 13 by passage 24.Further
Ground, the axis of passage 24 overlap with the axis of inner chamber 11；And/or when resonator chamber 21 is cylindrical, resonator chamber 21 is
Axis and the cylinder of the diameter parallel of passage 24.
In actual fabrication, when the quantity of resonator chamber 21 is two or more, more than two resonator chambers 21 with
The axis of passage 24 is uniformly to be laid on the circumference in the center of circle.More than two resonator chambers 21 can be set using volume identical
Meter, the resonator chamber 21 that at least two volumes are not mutually equal can also be included as previously described.
As a kind of embodiment, as shown in figure 3, being provided with the outer surface of noise-reducing components 2 along noise-reducing components 2 axially
The section 25 of extension, enable noise-reducing components 2 (not shown by forming circulation passage between the inwall of section 25 and housing 1
Go out), the gas of inner chamber 11 is entered from entrance 12 to flow to outlet 13 by circulation passage.When air-flow flows in inner chamber 11
By variable cross-section, the vortex in air-flow is cut into several less vortex, can effectively alleviate gas, reduces gas
The flow resistance of stream.Specifically, the quantity of section 25 is two or more, and is uniformly laid along the circumferential of noise-reducing components 2.Need
Bright is that section 25 can be plane or curved surface.
Preferably, the quantity of noise-reducing components 2 is two or more, and two or more noise-reducing components 2 are in the axis side along inner chamber 11
To being intervally arranged successively.Can so multistage noise elimination be formed to air flow in inner chamber 11, and then improve noise reduction.
As a kind of embodiment, as shown in figure 1, housing 1 includes the first piece housing 14 and the second piece housing 15, first
One end of piece housing 14 has entrance 12, and the other end is the first opening end (not shown), and one end of the second piece housing 15 has
Outlet 13, the other end is the second opening end (not shown), and the first opening end and the second opening end match, and make the first piece housing
14 the first opening end is connected on the second opening end of the second piece housing 15., can be first by noise reduction unit so in actual fabrication
Part 2 is installed in the first piece housing 14 and/or the second piece housing 15, then again that the first piece housing 14 and the second piece housing 15 is right
Should connect makes the two turn into an entirety, and the installment work to noise-reducing components 2 is brought conveniently.
During specific making, the shape of resonator chamber 21 and gas channel 22 is cylinder, and the axis of the two overlaps.
Wherein the design of housing 1 can follow following principle, and in the axis direction along inner chamber 11, the length of inner chamber 11 is L, andWherein V is the volume of resonator chamber 21, and L1 is the length of gas channel 22, and d is
The diameter of gas channel 22, S are the sectional area of gas channel 22.
To realize that goal of the invention another aspect of the invention provides a kind of air-conditioning system, including the pipeline described by embodiment disappears
Sound device.
It is reasonable in design, simple in construction that above example has the present invention, can alleviate the gas in pipeline, and then
Compressor is transmitted sound and obtain effective control, the advantages of improving noise reduction.
Embodiments of the invention are the foregoing is only, are not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should be included within scope of the presently claimed invention.
Claims (14)
- A kind of 1. pipeline muffler, it is characterised in that：Including housing (1) and noise-reducing components (2)；The housing (1) has inner chamber (11), and both ends have entrance (12) and outlet (13) respectively, allow the flow to pass through The entrance (12) enters the inner chamber (11), and is flowed out by the outlet (13)；The noise-reducing components (2) are arranged in the inner chamber (11), and resonator chamber (21) is provided with the noise-reducing components (2), One end of the resonator chamber (21) has a gas channel (22), the resonator chamber (21) by the gas channel (22) with Inner chamber (11) connection, enables the air-flow in the inner chamber (11) to enter the resonant cavity by the gas channel (22) Flowed out again by the gas channel (22) after the circulation of room (21), to reduce gas.
- 2. pipeline muffler according to claim 1, it is characterised in that：The quantity of the resonator chamber (21) is two or more, the mutual not phase of volume of resonator chamber (21) described in wherein at least two Deng.
- 3. pipeline muffler according to claim 1, it is characterised in that：One end of the remote gas channel (22) of the resonator chamber (21) has what can be connected with the inner chamber (11) Port, seal member (23) is provided with the port, to block the port.
- 4. pipeline muffler according to claim 3, it is characterised in that：The seal member (23) is made using elastomeric material；And/or between the seal member (23) and the port for interference fit.
- 5. the pipeline muffler according to Claims 1-4 any one, it is characterised in that：The inner chamber (11) is shaped as cylinder, and the noise-reducing components (2) are the circle that external diameter matches with the inner chamber (11) Cylindricality, and be fixedly connected on the inner chamber (11) wall；Passage (24) is provided with the noise-reducing components (2), the gas energy of the inner chamber (11) is entered from the entrance (12) The outlet (13) is enough flowed to by the passage (24).
- 6. pipeline muffler according to claim 5, it is characterised in that：The axis of the passage (24) overlaps with the axis of the inner chamber (11)；And/or when the resonator chamber (21) is cylindrical, the resonator chamber (21) is axis and the passage (24) The cylinder of diameter parallel.
- 7. pipeline muffler according to claim 5, it is characterised in that：When the quantity of the resonator chamber (21) is two or more, more than two resonator chambers (21) are with described logical Stomata (24) axis is uniformly to be laid on the circumference in the center of circle.
- 8. pipeline muffler according to claim 5, it is characterised in that：It is provided with along the axially extending section (25) of the noise-reducing components (2), makes described in the outer surface of the noise-reducing components (2) Noise-reducing components (2) can be by forming circulation passage, from the entrance between the inwall of the section (25) and the housing (1) (12) gas into the inner chamber (11) can flow to the outlet (13) by the circulation passage.
- 9. according to the pipeline muffler described in claim 8, it is characterised in that：The quantity of the section (25) is two or more, and is uniformly laid along the circumferential of the noise-reducing components (2).
- 10. pipeline muffler according to claim 5, it is characterised in that：The quantity of the noise-reducing components (2) is two or more, and noise-reducing components (2) described in two or more are along the inner chamber (11) Axis direction is intervally arranged successively.
- 11. the pipeline muffler according to Claims 1-4 any one, it is characterised in that：The housing (1) includes the first piece housing (14) and the second piece housing (15)；One end of first piece housing (14) has an entrance (12), and the other end is the first opening end, the second segment shell One end of body (15) has the outlet (13), and the other end is the second opening end, first opening end and second opening End matches, and first opening end of first piece housing (14) is connected to the second of second piece housing (15) and opens On mouth end.
- 12. the pipeline muffler according to Claims 1-4 any one, it is characterised in that：The shape of the resonator chamber (21) and the gas channel (22) is cylinder, and the axis of the two overlaps.
- 13. pipeline muffler according to claim 12, it is characterised in that：In the axis direction along the inner chamber (11), the length of the inner chamber (11) is L, andWherein V is the volume of the resonator chamber (21), and L1 is the gas channel (22) length, d are the diameter of the gas channel (22), and S is the sectional area of the gas channel (22).
- A kind of 14. air-conditioning system, it is characterised in that：Including the pipeline muffler as described in claim 1 to 13 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710984465.9A CN107830590B (en) | 2017-10-20 | 2017-10-20 | Pipeline muffler and air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710984465.9A CN107830590B (en) | 2017-10-20 | 2017-10-20 | Pipeline muffler and air conditioning system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107830590A true CN107830590A (en) | 2018-03-23 |
| CN107830590B CN107830590B (en) | 2023-07-21 |
Family
ID=61648633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710984465.9A Active CN107830590B (en) | 2017-10-20 | 2017-10-20 | Pipeline muffler and air conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107830590B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626874A (en) * | 2018-05-10 | 2018-10-09 | 珠海格力电器股份有限公司 | Noise reduction device, control method of noise reduction device and air conditioner |
| CN112669803A (en) * | 2021-01-12 | 2021-04-16 | 江苏康尚生物医疗科技有限公司 | Resonance type silencer for oxygenerator |
| CN114110198A (en) * | 2021-11-22 | 2022-03-01 | 中国船舶科学研究中心 | Low-noise valve core device based on bionic structure vein fractal |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101016853A (en) * | 2006-02-07 | 2007-08-15 | Lg电子株式会社 | Silencer |
| KR100835709B1 (en) * | 2007-01-18 | 2008-06-05 | 한국기계연구원 | Exhaust silencer for engine exhaust system |
| CN102536386A (en) * | 2011-12-29 | 2012-07-04 | 湛江市华夏消声器有限公司 | Structurally modified automobile exhaust muffler assembly |
| CN202991397U (en) * | 2012-11-22 | 2013-06-12 | 广东美芝制冷设备有限公司 | Silencer of compressor and compressor with same |
| CN105134557A (en) * | 2014-06-02 | 2015-12-09 | 英格索尔-兰德公司 | Compressor system with resonator |
| CN206297378U (en) * | 2016-12-29 | 2017-07-04 | 长城汽车股份有限公司 | Silencer, air-conditioning system and vehicle |
| CN207438769U (en) * | 2017-10-20 | 2018-06-01 | 珠海凌达压缩机有限公司 | Pipeline silencer and air conditioning system |
-
2017
- 2017-10-20 CN CN201710984465.9A patent/CN107830590B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101016853A (en) * | 2006-02-07 | 2007-08-15 | Lg电子株式会社 | Silencer |
| KR100835709B1 (en) * | 2007-01-18 | 2008-06-05 | 한국기계연구원 | Exhaust silencer for engine exhaust system |
| CN102536386A (en) * | 2011-12-29 | 2012-07-04 | 湛江市华夏消声器有限公司 | Structurally modified automobile exhaust muffler assembly |
| CN202991397U (en) * | 2012-11-22 | 2013-06-12 | 广东美芝制冷设备有限公司 | Silencer of compressor and compressor with same |
| CN105134557A (en) * | 2014-06-02 | 2015-12-09 | 英格索尔-兰德公司 | Compressor system with resonator |
| CN206297378U (en) * | 2016-12-29 | 2017-07-04 | 长城汽车股份有限公司 | Silencer, air-conditioning system and vehicle |
| CN207438769U (en) * | 2017-10-20 | 2018-06-01 | 珠海凌达压缩机有限公司 | Pipeline silencer and air conditioning system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626874A (en) * | 2018-05-10 | 2018-10-09 | 珠海格力电器股份有限公司 | Noise reduction device, control method of noise reduction device and air conditioner |
| CN108626874B (en) * | 2018-05-10 | 2023-10-27 | 珠海格力节能环保制冷技术研究中心有限公司 | Noise reduction device, control method of noise reduction device and air conditioner |
| CN112669803A (en) * | 2021-01-12 | 2021-04-16 | 江苏康尚生物医疗科技有限公司 | Resonance type silencer for oxygenerator |
| CN114110198A (en) * | 2021-11-22 | 2022-03-01 | 中国船舶科学研究中心 | Low-noise valve core device based on bionic structure vein fractal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107830590B (en) | 2023-07-21 |
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