CN109106277A - Air inlet pipe and dust catcher - Google Patents

Air inlet pipe and dust catcher Download PDF

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Publication number
CN109106277A
CN109106277A CN201710497421.3A CN201710497421A CN109106277A CN 109106277 A CN109106277 A CN 109106277A CN 201710497421 A CN201710497421 A CN 201710497421A CN 109106277 A CN109106277 A CN 109106277A
Authority
CN
China
Prior art keywords
air inlet
inlet pipe
bloop
noise
outer tube
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.)
Pending
Application number
CN201710497421.3A
Other languages
Chinese (zh)
Inventor
程杰锋
李忠华
殷雪冰
徐权
任永杰
李冠华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
Jiangsu Midea Cleaning Appliances Co Ltd
Original Assignee
Midea Group Co Ltd
Jiangsu Midea Cleaning Appliances Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Midea Group Co Ltd, Jiangsu Midea Cleaning Appliances Co Ltd filed Critical Midea Group Co Ltd
Priority to CN201710497421.3A priority Critical patent/CN109106277A/en
Publication of CN109106277A publication Critical patent/CN109106277A/en
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/0081Means for exhaust-air diffusion; Means for sound or vibration damping

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The present invention provides a kind of air inlet pipe and dust catchers, wherein air inlet pipe includes: inner tube, is provided with bloop on the tube wall of inner tube;First outer tube is arranged on inner pipe, and the first muffler chamber is formed between inner tube and the first outer tube.Air inlet pipe provided by the invention, it is equivalent to a combined type micropunch muffler, by be provided with bloop (micropunch) inner tube and the first outer tube and formed the first muffler chamber, so that making the air-flow for entering approach air inlet pipe in shell can be by the regeneration noise of bloop reduction air-flow during flowing, improve the noise level of complete machine and intake section when dust catcher uses, especially high frequency noise, the first muffler chamber is formed by between inner tube and the first outer tube can also absorb and completely cut off a part of noise simultaneously, to make whole noise level be improved, promote the usage experience and comfort level of user.

Description

Air inlet pipe and dust catcher
Technical field
The present invention relates to fields of home appliance technology, in particular to a kind of air inlet pipe and dust catcher.
Background technique
The dominant noise source of horizontal dust collector is scrubbing brush, intake section, dirt cup and host air outlet, and existing horizontal dust collector does not have There are what noise reduction schemes design, main directly design structure noise reduction, but the noise reduction effect of this mode is limited, and dust catcher is caused to make Used time noise is excessive, greatly affected the usage experience and comfort of user.Scrubbing brush therein, intake section, dirt cup are air inlet The noise source at position, main noise are originated from air-flow, and if designing better structure to reduce the noise at air inlet position At the major issue for dust catcher.
Summary of the invention
At least one in order to solve the above-mentioned technical problem, the embodiment of the first aspect of the present invention proposes a kind of air inlet Pipe.
A kind of the second aspect of the present invention embodiment, it is also proposed that dust catcher.
In view of this, according to the embodiment of the first aspect of the invention, the invention proposes a kind of air inlet pipe, it to be used for dust suction Device, dust catcher include shell, and air inlet pipe is connected with the shell, and air inlet pipe includes: inner tube, are provided with noise reduction on the tube wall of inner tube Hole;First outer tube is arranged on inner pipe, and the first muffler chamber is formed between inner tube and the first outer tube.
Air inlet pipe provided by the invention is equivalent to a combined type micropunch muffler, (micro- by being provided with bloop Perforation) inner tube and the first outer tube and form the first muffler chamber exist so as to enter the air-flow of approach air inlet pipe in shell The regeneration noise that air-flow can be reduced during flowing by bloop, improve dust catcher using when complete machine and intake section make an uproar Sound is horizontal, especially high frequency noise, at the same be formed by the first muffler chamber between inner tube and the first outer tube also and can absorb and Completely cut off a part of noise, reduce the noise spread out of outward by air inlet pipe, reduces noise when dust catcher uses, to make entirety Noise level improved, promote the usage experience and comfort level of user.
In addition, the air inlet pipe in above-described embodiment provided by the invention can also have following additional technical feature:
In the above-mentioned technical solutions, it is preferable that bloop is round bloop, and the range of the diameter of round bloop is 2mm to 6mm;And/or bloop is polygon bloop, the range of the side length of polygon bloop is 2mm to 6mm.
In the technical scheme, the shape of bloop can according to the actual situation or product demand flexibly designs, usually Bloop can choose round or polygon (such as triangle, square, diamond shape or hexagon) in order to manufacture, and lead to simultaneously Selection and the limitation to diameter or side length are crossed, reduces air inlet pipe, intake section and subsequent dirt cup component position as much as possible Noise, especially high frequency noise promote experience when user uses dust catcher.
In any of the above-described technical solution, it is preferable that the quantity of bloop be it is multiple, multiple bloops are evenly provided on On the tube wall of inner tube.
In the technical scheme, by the way that multiple bloops are equably arranged on the tube wall of inner tube, so that the noise of air-flow Inner tube can preferably be passed through and enter the first muffler chamber to reduce noise, the noise reduction capability of air inlet pipe is promoted, guarantee dust suction Device can have lower noise level.
In any of the above-described technical solution, it is preferable that the range of the quantity of bloop is 20 to 60.
In the technical scheme, the quantity of bloop is preferably 20 to 60, and bloop is evenly distributed in inner tube Tube wall on, by the first muffler chamber of bloop and rear side, effectively absorb and noise when isolation dust catcher uses, promoted The usage experience of user.
In any of the above-described technical solution, it is preferable that further include: the first stiffening plate, the first stiffening plate connect inner tube and the One outer tube.
In the technical scheme, the first stiffening plate of setting can be used as reinforcing rib connection inner tube and the first outer tube, so that two Person can connect strongerly, while enhance the intensity of air inlet pipe, reduction air inlet tube vibration and generated noise, and the First muffler chamber can also be resolved into multiple and different small cavitys by one stiffening plate, promote the noise reduction energy of the first muffler chamber Power further reduces noise when complete machine uses.
In any of the above-described technical solution, it is preferable that silencing cotton is set in the first muffler chamber.
In the technical scheme, it by the way that silencing cotton is arranged in the first muffler chamber, further absorbs and passes through bloop Into the noise of the first muffler chamber, noise is reduced.Wherein silencing cotton can be pasted on the tube wall of inner tube or the first outer tube On tube wall;Or silencing cotton can also be set on the inner wall of inner tube, and then enhance the effect of absorbing sound and lowering noise.
In any of the above-described technical solution, it is preferable that further include: the second outer tube is set on the first outer tube, the second outer tube The second muffler chamber is formed between the first outer tube.
In the technical scheme, air inlet pipe further includes the second outer tube being set on the first outer tube, at the same the second outer tube with The second muffler chamber is formed between first outer tube, is equivalent to is provided with a noise reduction layer for entire air inlet pipe more in this way, further Ground improves the effect of air inlet pipe noise reduction, while noise enters the second muffler chamber after the tube wall of the first outer tube, and second The form of vacuum can also be made in muffler chamber, can also further reduce noise by vacuum layer in this way, realize better Noise reduction effect promotes the usage experience of dust catcher.Multi-layer structure design in this way makes the decrease of noise functions of air inlet pipe more It is powerful, the structure of one or more layers outer tube can also be set again certainly, and so on, which is not described herein again.
In any of the above-described technical solution, it is preferable that further include: the second stiffening plate, the second stiffening plate connect the first outer tube With the second outer tube.
In the technical scheme, it is arranged in the second muffler chamber and adds for connecting the second of the first outer tube and the second outer tube Strong version can also be used as reinforcing rib, further improve the integral strength of air inlet pipe first, while can also be by the second noise reduction Cavity resolves into multiple and different small cavitys, promotes the noise reduction capability of the second muffler chamber, and further reduction complete machine uses When noise.
In any of the above-described technical solution, it is preferable that silencing cotton is set in the second muffler chamber.
In the technical scheme, it by the way that silencing cotton is arranged in the second muffler chamber, further absorbs and passes through bloop Into the noise of the second muffler chamber, noise is reduced.Wherein silencing cotton can be pasted on the tube wall of the first outer tube or outside second On the tube wall of pipe.So far the structure for foring multilayer tube body, multilayer muffler chamber, multilayer silencing cotton, greatly improves air inlet The noise reduction capability of pipe ensure that comfort when dust catcher uses as much as possible.
The dust catcher that the embodiment of second aspect of the present invention provides, comprising: shell;And the air inlet of first aspect embodiment Pipe, air inlet pipe are connected with the shell.
Dust catcher provided by the invention can effectively absorb by the way that above-mentioned air inlet pipe is arranged and reduce air-flow again Raw noise improves the noise level of complete machine and intake section when dust catcher uses, especially high frequency noise, to make whole noise Level is improved, and the usage experience and comfort level of user are promoted.Furthermore it is also possible to dirt cup position and electricity on rear side of air inlet pipe Machine position increases denoising structure and vibration-proof structure, further reduces the pneumatic noise and vibrating noise of dust catcher when in use.
Additional aspect and advantage of the invention will become obviously in following description section, or practice through the invention Recognize.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures Obviously and it is readily appreciated that, in which:
Fig. 1 is the structural schematic diagram of an embodiment of the present invention;
Fig. 2 is the cross-sectional view of structure shown in Fig. 1;
Fig. 3 is the structural schematic diagram of air inlet pipe in structure shown in Fig. 2.
Wherein, corresponding relationship of the Fig. 1 into Fig. 3 between appended drawing reference and component names are as follows:
1 dust catcher, 12 shells, 14 air inlet pipe, 142 inner tubes, 1422 bloops, 144 first outer tubes, 146 first stiffening plates.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also To be implemented using other than the one described here other modes, therefore, protection scope of the present invention is not by described below Specific embodiment limitation.
Referring to air inlet pipe and dust catcher described in Fig. 1 to Fig. 3 description according to some embodiments of the invention.
As shown in Figure 1 to Figure 3, the present invention provides a kind of air inlet pipe 14, are used for dust catcher 1, and dust catcher 1 includes shell 12, air inlet pipe 14 is connected with shell 12, and air inlet pipe 14 includes: inner tube 142, is provided with bloop on the tube wall of inner tube 142 1422;First outer tube 144, is set in inner tube 142, forms the first muffler chamber between inner tube 142 and the first outer tube 144.
Air inlet pipe 14 provided by the invention is equivalent to a combined type micropunch muffler, by being provided with bloop The inner tube 142 of 1422 (micropunch) and the first outer tube 144 simultaneously form the first muffler chamber, so as to enter approach in shell 12 The air-flow of air inlet pipe 14 can reduce the regeneration noise of air-flow during flowing by bloop 1422, improve dust catcher 1 The noise level of complete machine and intake section, especially high frequency noise when use, while institute's shape between inner tube 142 and the first outer tube 144 At the first muffler chamber can also absorb and completely cut off a part of noise, reduce the noise spread out of outward by air inlet pipe 14, subtract Noise when small dust catcher 1 uses promotes the usage experience of user and comfortable so that whole noise level be made to be improved Degree.
In one embodiment of the invention, it is preferable that as shown in Figures 2 and 3, bloop 1422 is round bloop 1422, the range of the diameter of round bloop 1422 is 2mm to 6mm;And/or bloop 1422 is polygon bloop 1422, The range of the side length of polygon bloop 1422 is 2mm to 6mm.
In this embodiment, the shape of bloop 1422 can according to the actual situation or product demand flexibly designs, and leads to Normal bloop 1422 can choose round or polygon (such as triangle, square, diamond shape or hexagon) in order to manufacture, Pass through the selection and limitation to diameter or side length, as much as possible reduction air inlet pipe 14, intake section and subsequent dirt cup group simultaneously The noise at part position, especially high frequency noise promote experience when user uses dust catcher 1.
In one embodiment of the invention, it is preferable that as shown in Figures 2 and 3, the quantity of bloop 1422 be it is multiple, Multiple bloops 1422 are evenly provided on the tube wall of inner tube 142.
In this embodiment, by the way that multiple bloops 1422 are equably arranged on the tube wall of inner tube 142, so that air-flow Noise can preferably pass through inner tube 142 and enter the first muffler chamber to reduce noise, promote the noise reduction capability of air inlet pipe 14, Guarantee that dust catcher 1 there can be lower noise level.
In one embodiment of the invention, it is preferable that the range of the quantity of bloop 1422 is 20 to 60.
In this embodiment, the quantity of bloop 1422 is preferably 20 to 60, and bloop 1422 can be evenly distributed On the tube wall of inner tube 142, by the first muffler chamber of bloop 1422 and rear side, effectively absorbs and isolation dust catcher 1 makes The noise of used time promotes the usage experience of user.
In one embodiment of the invention, it is preferable that as shown in Figure 3, further includes: the first stiffening plate 146, first reinforces Plate 146 connects inner tube 142 and the first outer tube 144.
In this embodiment, the first stiffening plate 146 of setting can be used as reinforcing rib connection inner tube 142 and the first outer tube 144, The two is connected strongerly, while enhancing the intensity of air inlet pipe 14, reduce air inlet pipe 14 vibration and it is generated Noise, and the first muffler chamber can also be resolved into multiple and different small cavitys by the first stiffening plate 146, promote the first noise reduction The noise reduction capability of cavity further reduces noise when complete machine uses.
In one embodiment of the invention, it is preferable that silencing cotton is set in the first muffler chamber.
In this embodiment, it by the way that silencing cotton (not shown) is arranged in the first muffler chamber, further absorbs Enter the noise of the first muffler chamber by bloop 1422, reduces noise.Wherein silencing cotton can be pasted onto the pipe of inner tube 142 On wall or on the tube wall of the first outer tube 144.
In one embodiment of the invention, it is preferable that further include: the second outer tube is set on the first outer tube 144, the The second muffler chamber is formed between two outer tubes and the first outer tube 144.
In this embodiment, air inlet pipe 14 further includes the second outer tube being set on the first outer tube 144, while the second outer tube The second muffler chamber is formed between the first outer tube 144, is equivalent to is provided with a noise reduction layer for entire air inlet pipe more than 14 in this way, The effect of 14 noise reduction of air inlet pipe is further improved, while noise enters the second noise reduction after the tube wall of the first outer tube 144 Cavity, and the form of vacuum can also be made in the second muffler chamber, can also further reduce noise by vacuum layer in this way, It realizes better noise reduction effect, promotes the usage experience of dust catcher 1.Multi-layer structure design in this way makes air inlet pipe 14 Decrease of noise functions is more powerful, and the structure of one or more layers outer tube can also be arranged again certainly, and so on, which is not described herein again.
In one embodiment of the invention, it is preferable that further include: the second stiffening plate, the second stiffening plate connect outside first Pipe 144 and the second outer tube.
In this embodiment, it is arranged in the second muffler chamber for connecting the second of the first outer tube 144 and the second outer tube Strengthening version can also be used as reinforcing rib, further improve the integral strength of air inlet pipe 14 first, while can also be by second Muffler chamber resolves into multiple and different small cavitys, promotes the noise reduction capability of the second muffler chamber, further reduction complete machine Noise when use.
In one embodiment of the invention, it is preferable that silencing cotton is set in the second muffler chamber.
In this embodiment, it by the way that silencing cotton is arranged in the second muffler chamber, further absorbs and passes through bloop 1422 enter the noise of the second muffler chamber, reduce noise.Wherein silencing cotton can be pasted on the tube wall of the first outer tube 144 or On the tube wall of second outer tube.So far the structure for foring multilayer tube body, multilayer muffler chamber, multilayer silencing cotton, is greatly promoted The noise reduction capability of air inlet pipe 14 ensure that comfort when dust catcher 1 uses as much as possible.
The present invention also provides a kind of dust catchers 1, as depicted in figs. 1 and 2, comprising: shell 12;And first aspect embodiment Air inlet pipe 14, air inlet pipe 14 is connected with shell 12.
Dust catcher 1 provided by the invention can effectively absorb and reduce air-flow by the way that above-mentioned air inlet pipe 14 is arranged Noise is regenerated, improves the noise level of complete machine and intake section when dust catcher 1 uses, especially high frequency noise, to make whole Noise level is improved, and the usage experience and comfort level of user are promoted.Furthermore it is also possible in the dirt cup portion of 14 rear side of air inlet pipe Position and motor position increase denoising structure and vibration-proof structure, further reduce the pneumatic noise when in use of dust catcher 1 and vibration Dynamic noise.
In the present invention, term " multiple " then refers to two or more, unless otherwise restricted clearly.Term " peace Dress ", " connected ", " connection ", the terms such as " fixation " shall be understood in a broad sense, can also be with for example, " connection " may be a fixed connection It is to be detachably connected, or be integrally connected;" connected " can be directly connected, can also be indirectly connected through an intermediary.It is right For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc. Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the invention It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with Suitable mode combines.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of air inlet pipe is used for dust catcher, the dust catcher includes shell, and the air inlet pipe is connected with the shell, It is characterized in that, the air inlet pipe includes:
Inner tube is provided with bloop on the tube wall of said inner tube;
First outer tube, is set in said inner tube, forms the first muffler chamber between said inner tube and first outer tube.
2. air inlet pipe according to claim 1, which is characterized in that
The bloop is round bloop, and the range of the diameter of the circle bloop is 2mm to 6mm;And/or
The bloop is polygon bloop, and the range of the side length of the polygon bloop is 2mm to 6mm.
3. air inlet pipe according to claim 1, which is characterized in that
The quantity of the bloop be it is multiple, multiple bloops are evenly provided on the tube wall of said inner tube.
4. air inlet pipe according to claim 3, which is characterized in that
The range of the quantity of the bloop is 20 to 60.
5. air inlet pipe according to any one of claim 1 to 4, which is characterized in that further include:
First stiffening plate, the first stiffening plate connection said inner tube and first outer tube.
6. air inlet pipe according to any one of claim 1 to 4, which is characterized in that
Silencing cotton is set in first muffler chamber.
7. air inlet pipe according to any one of claim 1 to 4, which is characterized in that further include:
Second outer tube is set on first outer tube, forms the second noise reduction between second outer tube and first outer tube Cavity.
8. air inlet pipe according to claim 7, which is characterized in that further include:
Second stiffening plate, second stiffening plate connect first outer tube and second outer tube.
9. air inlet pipe according to claim 7, which is characterized in that
Silencing cotton is set in second muffler chamber.
10. a kind of dust catcher characterized by comprising
Shell;And
Air inlet pipe as claimed in any one of claims 1-9 wherein, the air inlet pipe are connected with the shell.
CN201710497421.3A 2017-06-26 2017-06-26 Air inlet pipe and dust catcher Pending CN109106277A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710497421.3A CN109106277A (en) 2017-06-26 2017-06-26 Air inlet pipe and dust catcher

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710497421.3A CN109106277A (en) 2017-06-26 2017-06-26 Air inlet pipe and dust catcher

Publications (1)

Publication Number Publication Date
CN109106277A true CN109106277A (en) 2019-01-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710497421.3A Pending CN109106277A (en) 2017-06-26 2017-06-26 Air inlet pipe and dust catcher

Country Status (1)

Country Link
CN (1) CN109106277A (en)

Citations (24)

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GB193295A (en) * 1922-03-13 1923-02-22 Rover Co Ltd Improvements in or relating to silencers for internal combustion engines
CN2088167U (en) * 1991-03-16 1991-11-06 淳安县新安江开发公司船厂 Airstream muffler
JP2001263185A (en) * 2000-03-17 2001-09-26 Tennex Corp Intake silencer of internal combustion engine
JP2002000518A (en) * 2000-06-20 2002-01-08 Matsushita Electric Ind Co Ltd Electric vacuum cleaner
JP2002138829A (en) * 2000-11-06 2002-05-17 Komatsu Zenoah Co Air duct with sound absorbing material and manufacturing method thereof
CN2500814Y (en) * 2001-09-21 2002-07-17 林明池 Locomotive exhaust pipe
JP2005016319A (en) * 2003-06-23 2005-01-20 Futaba Industrial Co Ltd Silencer and exhaust structure of internal combustion engine
JP2009156181A (en) * 2007-12-27 2009-07-16 Denso Corp Intake duct
KR20090084594A (en) * 2008-02-01 2009-08-05 주식회사 티비엠 Silencer
JP2009264319A (en) * 2008-04-28 2009-11-12 Denso Corp Muffling device
CN202733311U (en) * 2012-08-03 2013-02-13 北京航天星汉科技有限公司 Gas silencer
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CN103670602A (en) * 2013-11-28 2014-03-26 武汉理工大学 Three-layer series micro-perforated pipe muffler
CN103671071A (en) * 2013-11-28 2014-03-26 武汉理工大学 Double-layer series silencer with miniature perforated pipes
CN104545697A (en) * 2013-10-28 2015-04-29 江苏美的春花电器股份有限公司 Connection pipe assembly for dust collector and dust collector with connection pipe assembly
CN104564454A (en) * 2015-01-14 2015-04-29 四川汽车工业股份有限公司 Intake muffler of automobile engine and realization method
CN205243693U (en) * 2015-12-09 2016-05-18 浙江吉利汽车研究院有限公司 Engine intake manifold way assembly
CN105615768A (en) * 2016-01-28 2016-06-01 江苏美的清洁电器股份有限公司 Ground brush assembly of dust collector and dust collector with ground brush assembly
CN105822469A (en) * 2016-05-11 2016-08-03 安徽江淮汽车股份有限公司 Noise abatement device of engine air inlet system
CN205963943U (en) * 2016-05-19 2017-02-22 苏州德易仕清洁科技有限公司 Dust catcher with amortization mechanism
CN206016909U (en) * 2016-08-11 2017-03-15 张湘杰 A kind of silencing apparatus for automobile turbocharger
CN206175858U (en) * 2016-11-10 2017-05-17 江苏博森建筑设计有限公司 Freeze proof water pipe of making an uproar falls
CN206191858U (en) * 2016-11-14 2017-05-24 宁波二和船舶科技有限公司 Tuber pipe muffler
CN207870835U (en) * 2017-06-26 2018-09-18 美的集团股份有限公司 Air inlet pipe and dust catcher

Patent Citations (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB193295A (en) * 1922-03-13 1923-02-22 Rover Co Ltd Improvements in or relating to silencers for internal combustion engines
CN2088167U (en) * 1991-03-16 1991-11-06 淳安县新安江开发公司船厂 Airstream muffler
JP2001263185A (en) * 2000-03-17 2001-09-26 Tennex Corp Intake silencer of internal combustion engine
JP2002000518A (en) * 2000-06-20 2002-01-08 Matsushita Electric Ind Co Ltd Electric vacuum cleaner
JP2002138829A (en) * 2000-11-06 2002-05-17 Komatsu Zenoah Co Air duct with sound absorbing material and manufacturing method thereof
CN2500814Y (en) * 2001-09-21 2002-07-17 林明池 Locomotive exhaust pipe
JP2005016319A (en) * 2003-06-23 2005-01-20 Futaba Industrial Co Ltd Silencer and exhaust structure of internal combustion engine
JP2009156181A (en) * 2007-12-27 2009-07-16 Denso Corp Intake duct
KR20090084594A (en) * 2008-02-01 2009-08-05 주식회사 티비엠 Silencer
JP2009264319A (en) * 2008-04-28 2009-11-12 Denso Corp Muffling device
JP2013034592A (en) * 2011-08-05 2013-02-21 Panasonic Corp Vacuum cleaner
CN202733311U (en) * 2012-08-03 2013-02-13 北京航天星汉科技有限公司 Gas silencer
CN104545697A (en) * 2013-10-28 2015-04-29 江苏美的春花电器股份有限公司 Connection pipe assembly for dust collector and dust collector with connection pipe assembly
CN103670602A (en) * 2013-11-28 2014-03-26 武汉理工大学 Three-layer series micro-perforated pipe muffler
CN103671071A (en) * 2013-11-28 2014-03-26 武汉理工大学 Double-layer series silencer with miniature perforated pipes
CN104564454A (en) * 2015-01-14 2015-04-29 四川汽车工业股份有限公司 Intake muffler of automobile engine and realization method
CN205243693U (en) * 2015-12-09 2016-05-18 浙江吉利汽车研究院有限公司 Engine intake manifold way assembly
CN105615768A (en) * 2016-01-28 2016-06-01 江苏美的清洁电器股份有限公司 Ground brush assembly of dust collector and dust collector with ground brush assembly
CN105822469A (en) * 2016-05-11 2016-08-03 安徽江淮汽车股份有限公司 Noise abatement device of engine air inlet system
CN205963943U (en) * 2016-05-19 2017-02-22 苏州德易仕清洁科技有限公司 Dust catcher with amortization mechanism
CN206016909U (en) * 2016-08-11 2017-03-15 张湘杰 A kind of silencing apparatus for automobile turbocharger
CN206175858U (en) * 2016-11-10 2017-05-17 江苏博森建筑设计有限公司 Freeze proof water pipe of making an uproar falls
CN206191858U (en) * 2016-11-14 2017-05-24 宁波二和船舶科技有限公司 Tuber pipe muffler
CN207870835U (en) * 2017-06-26 2018-09-18 美的集团股份有限公司 Air inlet pipe and dust catcher

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