CN108005755A - A kind of silencing apparatus and cluster engine - Google Patents
A kind of silencing apparatus and cluster engine Download PDFInfo
- Publication number
- CN108005755A CN108005755A CN201711218865.5A CN201711218865A CN108005755A CN 108005755 A CN108005755 A CN 108005755A CN 201711218865 A CN201711218865 A CN 201711218865A CN 108005755 A CN108005755 A CN 108005755A
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- China
- Prior art keywords
- silencing apparatus
- space
- noise
- subspace
- cylinder
- 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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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
- F01N1/10—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling in combination with sound-absorbing materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
- F01N1/082—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling the gases passing through porous members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/14—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having thermal insulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/16—Selection of particular materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/005—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for draining or otherwise eliminating condensates or moisture accumulating in the apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2310/00—Selection of sound absorbing or insulating material
- F01N2310/02—Mineral wool, e.g. glass wool, rock wool, asbestos or the like
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 present invention relates to engine design field, in particular to a kind of silencing apparatus and cluster engine.The silencing apparatus provided in the embodiment of the present invention, the resistance noise reduction and organically combined by the aperture silencing apparatus that the first sound attenuation hole and the second sound attenuation hole are formed that the reactive muffling device that is formed by the first space, second space, noise reduction layer are formed, possess noise elimination of the resistance noise reduction device to intermediate frequency or high band noise, it is also equipped with the noise elimination of reactive muffling device and aperture silencing apparatus to intermediate frequency or low frequency range noise, anechoic frequency bandwidth；Air-flow is during by silencing apparatus, and noise is eliminated the noise by the multiple of the first space, second space, noise reduction layer, the first sound attenuation hole and the second sound attenuation hole, and noise elimination effect is good, adaptable.The cluster engine provided in the embodiment of the present invention is since including above-mentioned silencing apparatus, also possessing has above-mentioned beneficial effect.
Description
Technical field
The present invention relates to engine design field, in particular to a kind of silencing apparatus and cluster engine.
Background technology
In internal combustion engine exhaust system noise source, exhaust noise is a kind of high temperature, the pulsating nature pneumatic noise of high speed, is to start
Most important part in energy the best part, and engine overall noise in machine noise.It makes an uproar than other body machineries
Other noises such as sound and Induction and exhaust noises are much higher, and it is big that the noise reduction of exhaust silencer directly influences whole equipment acoustic noise
It is small.
Common silencer is usually a reactive muffler, and air drag is small, low in main elimination engine exhaust
Frequency noise, poor to high-frequency noises effect, its overall noise elimination effect is unsatisfactory, does not possess full frequency band acoustical absorptivity；The opposing party
Face, a big chunk heavy duty exhaust system engine smoke discharging mouth have two smoke outlets, if each smoke outlet list
The deficiencies of only silencer, this is there will be installation workload, occupied space is increased, existing silencer can not meet demand.
The content of the invention
It is an object of the invention to provide a kind of silencing apparatus, to improve above-mentioned technical problem.
Another object of the present invention is to provide a kind of cluster engine with above-mentioned silencing apparatus.
What the embodiment of the present invention was realized in：
A kind of silencing apparatus, it includes cylinder；Cylinder is divided into radially-arranged along cylinder by first partition, first partition
First space and second space.Second space is divided into along cylinder radial distribution by second partition, second partition by second partition
The first subspace and the second subspace.First hush tube, offers multiple first sound attenuation holes on the tube wall of the first hush tube, and
One sound attenuation hole connects the first space and the first subspace.Second hush tube, offers multiple second on the tube wall of the second hush tube
Sound attenuation hole, connects the first subspace and the second subspace on the periphery wall of the second hush tube covered with noise reduction layer, the second sound attenuation hole.
Air inlet pipe, the air inlet pipe connection external world and the first space；Exhaust pipe, the exhaust pipe connection external world and the second subspace.
The silencing apparatus provided in the embodiment of the present invention, the reactive muffling device formed by the first space, second space,
The resistance noise reduction and organically combined by the aperture silencing apparatus that the first sound attenuation hole and the second sound attenuation hole are formed that noise reduction layer is formed,
Possess noise elimination of the resistance noise reduction device to intermediate frequency or high band noise, be also equipped with reactive muffling device and aperture silencing apparatus pair
The noise elimination of intermediate frequency or low frequency range noise, anechoic frequency bandwidth；For air-flow during by silencing apparatus, noise is empty by first
Between, the multiple noise elimination of second space, noise reduction layer, the first sound attenuation hole and the second sound attenuation hole, noise elimination effect is good, adaptable.
In one embodiment of the invention：
Punching pipe is provided with above-mentioned air inlet pipe, air inlet pipe is connected with the first space by punching pipe.
In one embodiment of the invention：
Above-mentioned silencing apparatus includes at least two punching pipes, and around air inlet pipe, radially direction is set punching pipe.
In one embodiment of the invention：
Four above-mentioned punching pipes surround air inlet pipe radially direction spaced set.
In one embodiment of the invention：
Refluence plate is both provided with above-mentioned first space and the second subspace.
In one embodiment of the invention：
Above-mentioned second hush tube is set in qually spaced on second partition around the axial line of cylinder.
In one embodiment of the invention：
Above-mentioned silencing plate includes noise reduction rock wool.
In one embodiment of the invention：
The madial wall in above-mentioned first space and the second subspace is both provided with sealing plate；The madial wall of sealing plate and cylinder is formed
Heat-insulation chamber.
In one embodiment of the invention：
Include moisture absorption layer and noise elimination cotton layer in above-mentioned heat-insulation chamber, moisture absorption layer be arranged on cylinder sealing plate and noise elimination cotton layer it
Between, noise elimination cotton layer side is close to moisture absorption layer, madial wall of the opposite side close to cylinder.
In one embodiment of the invention：
A kind of cluster engine, it includes any one above-mentioned silencing apparatus, and silencing apparatus is installed on engine body.
The beneficial effect of the embodiment of the present invention is：
The silencing apparatus provided in the embodiment of the present invention, the reactive muffling device formed by the first space, second space,
The resistance noise reduction and organically combined by the aperture silencing apparatus that the first sound attenuation hole and the second sound attenuation hole are formed that noise reduction layer is formed,
Possess noise elimination of the resistance noise reduction device to intermediate frequency or high band noise, be also equipped with reactive muffling device and aperture silencing apparatus pair
The noise elimination of intermediate frequency or low frequency range noise, anechoic frequency bandwidth；For air-flow during by silencing apparatus, noise is empty by first
Between, the multiple noise elimination of second space, noise reduction layer, the first sound attenuation hole and the second sound attenuation hole, noise elimination effect is good, adaptable.
A kind of cluster engine is also provided in the embodiment of the present invention, cluster engine includes above-mentioned silencing apparatus, dress of eliminating the noise
Put on engine body.
The cluster engine provided in the embodiment of the present invention due to including above-mentioned silencing apparatus, also possess have it is above-mentioned
Beneficial effect.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as pair
The restriction of scope, for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the overall structure diagram under the first visual angle for the silencing apparatus that the embodiment of the present invention 1 provides；
Fig. 2 is the sectional view of II-II in Fig. 1；
Fig. 3 is the sectional view of III-III in Fig. 1；
Fig. 4 is the phantom of the cylinder for the silencing apparatus that the embodiment of the present invention 1 provides；
Fig. 5 is overall structure diagram of the silencing apparatus of the offer of the embodiment of the present invention 1 under the second visual angle.
Icon：10- silencing apparatus；100- cylinders；The first spaces of 110-；112- deflectors；114- sealing plates；116- is heat-insulated
Chamber；116a- moisture absorption layers；116b- noise elimination cotton layers；120- second spaces；The first subspaces of 122-；The second subspaces of 124-；200-
First partition；300- second partitions；The first hush tubes of 400-；The first sound attenuation holes of 410-；The second hush tubes of 500-；510- noise reductions
Layer；The second sound attenuation holes of 520-；600- air inlet pipe；610- punching pipes；700- exhaust pipes.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.The present invention implementation being usually described and illustrated herein in the accompanying drawings
The component of example can be arranged and designed with a variety of configurations.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this area is common
Technical staff's all other embodiments obtained without creative efforts, belong to the model that the present invention protects
Enclose.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
, it is necessary to explanation, the side of the instruction such as term " on ", " under ", " interior ", " outer " in the description of the embodiment of the present invention
Position or position relationship be based on orientation shown in the drawings or position relationship, or the invention product using when the side usually put
Position or position relationship, are for only for ease of the description present invention and simplify description, rather than instruction or the device or member that imply meaning
Part must have specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.This
Outside, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that instruction or hint relative importance.
In the description of the embodiment of the present invention, it is also necessary to explanation, unless otherwise clearly defined and limited, term
" setting ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected
Connect；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in embodiments of the present invention.
Embodiment 1：
Fig. 1 to Fig. 5 is refer to, the present embodiment provides a kind of silencing apparatus 10, it includes cylinder 100；First partition 200,
Cylinder 100 is divided into along radially-arranged first space 110 of cylinder 100 and second space 120 by first partition 200；Second every
Second space 120 is divided into empty along of cylinder 100 radially-arranged first by plate 300, second partition 300 by second partition 300
Between 122 and second subspace 124；First hush tube 400, offers multiple first sound attenuation holes on the tube wall of the first hush tube 400
410, the first sound attenuation hole 410 connects the first space 110 and the first subspace 122；Second hush tube 500, the second hush tube 500
Multiple second sound attenuation holes 520 are offered on tube wall, are eliminated the noise on the periphery wall of the second hush tube 500 covered with noise reduction layer 510, second
Hole 520 connects the first subspace 122 and the second subspace 124；Air inlet pipe 600, air inlet pipe 600 connect extraneous and the first space
110；Exhaust pipe 700, exhaust pipe 700 connect extraneous and the second subspace 124.
The silencing apparatus 10 provided in the embodiment of the present invention, the resistance formed by the first space 110, second space 120
The resistance noise reduction and formed by the first sound attenuation hole 410 and the second sound attenuation hole 520 small that silencing apparatus 10, noise reduction layer 510 are formed
Hole silencing apparatus 10 organically combines, and possesses noise elimination of the resistance noise reduction device 10 to intermediate frequency or high band noise, is also equipped with resisting
The noise elimination of property silencing apparatus 10 and aperture silencing apparatus 10 to intermediate frequency or low frequency range noise, anechoic frequency bandwidth；Air-flow is passing through
During silencing apparatus 10, noise by the first space 110, second space 120, noise reduction layer 510, the first sound attenuation hole 410 with
And second sound attenuation hole 520 multiple noise elimination, noise elimination effect is good, adaptable.
In the present embodiment, punching pipe 610 is provided with air inlet pipe 600,600 and first space 110 of air inlet pipe passes through punching
Hole pipe 610 connects.Extraneous and the first space 110, dissipative muffler are connected by setting punching pipe 610 to be existed using sound wave
Propagated in porous sound-absorbing material or sound absorption structure, dissipate, make along pipe transmmision because acoustic energy is converted into thermal energy by friction
Noise is decayed with distance, so as to reach noise elimination purpose.Therefore punching pipe 610 is set to connect extraneous and the first space 110, can have
Effect ground lifting noise elimination effect.It should be understood that in other specific embodiments, other can also be passed through according to the demand of user
Device realizes the extraneous connection with the first space 110, such as directly sets straight tube connection etc..Alternatively, in the present embodiment,
Silencing apparatus 10 includes at least two punching pipes 610, and around air inlet pipe 600, radially direction is set punching pipe 610, makes sound wave
Approach axis is vertical with the direction flowed out, primarily to preferably eliminating sound Middle and low frequency noise.It should be noted that at this
In embodiment, the direction of punching pipe 610 is not limited to set a kind of this mode along 600 radial direction of air inlet pipe, in other implementations
In example, punching pipe 610 and the direction of air inlet pipe 600 can also be configured using other modes according to the demand of user,
Such as punching pipe 610 is arranged to along axial direction setting of air inlet pipe 600 etc..Specifically, in the present embodiment, four punchings
Pipe 610 is arranged to one group around the axis direction of air inlet pipe 600, in the present embodiment, is set along the axial direction of air inlet pipe 600
It is equipped with three groups of punching pipes 610.It should be noted that in the present embodiment, the set-up mode of punching pipe 610 is not limited to this one kind
Set-up mode, in other embodiments, can also be set punching pipe 610 using other modes according to the demand of user
Put.
In the present embodiment, it is both provided with deflector 112 in the first space 110 and the second subspace 124.It is empty first
Between 110 and second deflector 112 is set in subspace 124, set deflector 112 to be to reduce exhaust back pressure, the row of reduction
Gas noise, reduction silencer are shaken caused by exhaust back pressure.
Need what is illustrated, in the present embodiment, deflector is set in the first space 110 and the second subspace 124
112, set deflector 112 to be to reduce exhaust back pressure, reduce exhaust noise, reduce silencer caused by exhaust back pressure
Vibrations.It should be understood that in other specific embodiments, deflector 112 can also be not provided with according to the demand of user.
In the present embodiment, the second hush tube 500 is set in qually spaced on second partition 300 around the axial line of cylinder 100.
Second hush tube 500 is set in qually spaced on second partition 300 easy to sound wave equably from first around the axial line of cylinder 100
Subspace 122 flows to the second subspace 124, is equably propagated easy to sound wave.
Need what is illustrated, in the present embodiment, the second hush tube 500 is set in qually spaced in around the axial line of cylinder 100
The second subspace 124 equably is flowed to from the first subspace 122 easy to sound wave on second partition 300, is equably passed easy to sound wave
Broadcast.It should be understood that in other specific embodiments, the second hush tube 500 can also be used by other according to the demand of user
Position relationship set.
Alternatively, in the present embodiment, silencing plate includes noise reduction rock wool.Noise reduction rock wool can effectively strengthen erasure effect.
In the present embodiment, the madial wall of the first space 110 and the second subspace 124 is both provided with sealing plate 114；Sealing plate
114 form heat-insulation chamber 116 with the madial wall of cylinder 100.Set the exhaust temperature that heat-insulation chamber 116 can be effectively prevented from discharge excessive
And damage the parts close to silencing apparatus 10 so that silencing apparatus 10 plays good heat insulation while eliminating the noise.
Need what is illustrated, in the present embodiment, set heat-insulation chamber 116 can be effectively prevented from discharge exhaust temperature it is excessive and
Parts of the damage close to silencing apparatus 10 so that silencing apparatus 10 plays good heat insulation while eliminating the noise.Can be with
Understand, in other specific embodiments, heat-insulation chamber 116 can also be not provided with according to the demand of user.
In the present embodiment, moisture absorption layer 116a and noise elimination cotton layer 116b, moisture absorption layer 116a setting are included in heat-insulation chamber 116
Between the sealing plate 114 and noise elimination cotton layer 116b of cylinder 100, noise elimination cotton layer 116b sides are leaned on close to moisture absorption layer 116a, opposite side
The madial wall of nearly cylinder 100.Moisture absorption layer 116a and noise elimination cotton layer 116b is set in heat-insulation chamber 116, wherein, moisture absorption layer 116a
Effectively the vapor in tail gas can be dried, avoid its long-time from corroding the first sound attenuation hole 410 and the second sound attenuation hole
520, influence the effect eliminated the noise.Noise elimination cotton layer 116b can further eliminate the noise at the same time, therefore set moisture absorption layer 116a and noise elimination
Cotton layer 116b is further enhanced while the first sound attenuation hole 410 of guarantee and the second sound attenuation hole 520 good noise elimination effect to disappear
Sound effective value.
Need what is illustrated, in the present embodiment, moisture absorption layer 116a and noise elimination cotton layer 116b be set in heat-insulation chamber 116,
Wherein, moisture absorption layer 116a effectively can be dried the vapor in tail gas, avoid its long-time from corroding the first sound attenuation hole 410
And second sound attenuation hole 520, influence the effect eliminated the noise.Noise elimination cotton layer 116b can further eliminate the noise at the same time, therefore set moisture absorption
Layer 116a and noise elimination cotton layer 116b is same the good noise elimination effect of the first sound attenuation hole 410 of guarantee and the second sound attenuation hole 520
When further enhance noise elimination effect.It should be understood that in other specific embodiments, can also not set according to the demand of user
Put moisture absorption layer 116a and noise elimination cotton layer 116b.
The silencing apparatus 10 provided in the embodiment of the present invention, the resistance formed by the first space 110, second space 120
The resistance noise reduction and formed by the first sound attenuation hole 410 and the second sound attenuation hole 520 small that silencing apparatus 10, noise reduction layer 510 are formed
Hole silencing apparatus 10 organically combines, and possesses noise elimination of the resistance noise reduction device 10 to intermediate frequency or high band noise, is also equipped with resisting
The noise elimination of property silencing apparatus 10 and aperture silencing apparatus 10 to intermediate frequency or low frequency range noise, anechoic frequency bandwidth；Air-flow is passing through
During silencing apparatus 10, noise by the first space 110, second space 120, noise reduction layer 510, the first sound attenuation hole 410 with
And second sound attenuation hole 520 multiple noise elimination, noise elimination effect is good, adaptable.
Embodiment 2：
A kind of cluster engine is also provided in the embodiment of the present invention, cluster engine includes above-mentioned silencing apparatus 10, eliminates the noise
Device 10 is installed on engine body.
The cluster engine provided in the embodiment of the present invention is due to including above-mentioned silencing apparatus 10, also possessing on having
The beneficial effect stated.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this area
For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
- A kind of 1. silencing apparatus, it is characterised in that including：Cylinder；Cylinder is divided into along radially-arranged first space of the cylinder and second space by first partition, the first partition；The second space is divided into along the cylinder radial distribution by second partition, the second partition by the second partition The first subspace and the second subspace；First hush tube, multiple first sound attenuation holes, the first sound attenuation hole connection are offered on the tube wall of first hush tube First space and first subspace；Second hush tube, offers multiple second sound attenuation holes on the tube wall of second hush tube, second hush tube it is outer On perisporium first subspace and second subspace are connected covered with noise reduction layer, second sound attenuation hole；Air inlet pipe, the air inlet pipe connect extraneous and first space；Exhaust pipe, the exhaust pipe connect extraneous and second subspace.
- 2. silencing apparatus according to claim 1, it is characterised in that be provided with punching pipe in the air inlet pipe, it is described into Tracheae is connected with first space by the punching pipe.
- 3. silencing apparatus according to claim 2, it is characterised in that the silencing apparatus includes at least two punchings Pipe, around the air inlet pipe, radially direction is set the punching pipe.
- 4. silencing apparatus according to claim 3, it is characterised in that four punching pipes around the air inlet pipe along its Radial direction spaced set.
- 5. silencing apparatus according to claim 1, it is characterised in that in first space and second subspace It is both provided with deflector.
- 6. silencing apparatus according to claim 1, it is characterised in that axial line of second hush tube around the cylinder It is set in qually spaced on the second partition.
- 7. silencing apparatus according to claim 1, it is characterised in that the silencing plate includes noise reduction rock wool.
- 8. silencing apparatus according to claim 1, it is characterised in that first space and second subspace Madial wall is both provided with sealing plate；The madial wall of the sealing plate and the cylinder forms heat-insulation chamber.
- 9. silencing apparatus according to claim 8, it is characterised in that include moisture absorption layer and noise elimination cotton in the heat-insulation chamber Layer, the moisture absorption layer are arranged between the sealing plate of the cylinder and the noise elimination cotton layer, and the noise elimination cotton layer side is close to described Moisture absorption layer, madial wall of the opposite side close to the cylinder.
- 10. a kind of cluster engine, it is characterised in that the cluster engine includes the noise elimination described in claim 1 to 9 any one Device, the silencing apparatus are installed on the engine body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711218865.5A CN108005755A (en) | 2017-11-28 | 2017-11-28 | A kind of silencing apparatus and cluster engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711218865.5A CN108005755A (en) | 2017-11-28 | 2017-11-28 | A kind of silencing apparatus and cluster engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108005755A true CN108005755A (en) | 2018-05-08 |
Family
ID=62054397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711218865.5A Pending CN108005755A (en) | 2017-11-28 | 2017-11-28 | A kind of silencing apparatus and cluster engine |
Country Status (1)
| Country | Link |
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| CN (1) | CN108005755A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278183A (en) * | 2011-07-19 | 2011-12-14 | 南京航空航天大学 | Diesel engine exhaust silencer of composite structure |
| CN204200307U (en) * | 2014-10-14 | 2015-03-11 | 长沙众泰汽车工业有限公司 | The adjustable silencing apparatus of a kind of back pressure |
| CN205578066U (en) * | 2016-03-16 | 2016-09-14 | 中石化石油工程技术服务有限公司 | Novel silencer |
| CN205779127U (en) * | 2016-05-23 | 2016-12-07 | 浙江创格科技有限公司 | A kind of muffler |
-
2017
- 2017-11-28 CN CN201711218865.5A patent/CN108005755A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278183A (en) * | 2011-07-19 | 2011-12-14 | 南京航空航天大学 | Diesel engine exhaust silencer of composite structure |
| CN204200307U (en) * | 2014-10-14 | 2015-03-11 | 长沙众泰汽车工业有限公司 | The adjustable silencing apparatus of a kind of back pressure |
| CN205578066U (en) * | 2016-03-16 | 2016-09-14 | 中石化石油工程技术服务有限公司 | Novel silencer |
| CN205779127U (en) * | 2016-05-23 | 2016-12-07 | 浙江创格科技有限公司 | A kind of muffler |
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Application publication date: 20180508 |