CN206175028U - Compound silencer of impedance for automobile exhaust - Google Patents
Compound silencer of impedance for automobile exhaust Download PDFInfo
- Publication number
- CN206175028U CN206175028U CN201621274410.6U CN201621274410U CN206175028U CN 206175028 U CN206175028 U CN 206175028U CN 201621274410 U CN201621274410 U CN 201621274410U CN 206175028 U CN206175028 U CN 206175028U
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- anechoic chamber
- air inlet
- inlet pipe
- chamber
- anechoic
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Abstract
The utility model provides a compound silencer of impedance for automobile exhaust, relates to automobile silencer field, includes casing, first baffle, second baffle, intake pipe, outlet duct, amortization cotton, wastewater discharge stopper, filter screen, crosses filter pulp, tail gas pipe and mounting, the inside cavity of casing is divided into anechoic room, waste water reservoir room and clean room triplex, and first baffle and second baffle are divided into first anechoic room, second anechoic room and third anechoic room with the anechoic room, the intake pipe endcapped, the gas outlet sets up in the second anechoic room up, and the outlet duct is the T venturi tube, intake pipe and outlet duct all set up in the anechoic room, and are equipped with the through -hole, have the outer wall cladding of through -hole part to have the amortization cotton, it is indoor that the wastewater discharge stopper lies in waste water reservoir, is equipped with the filter screen in the clean room and crosses the filter pulp. The utility model discloses when eliminating automobile noise pollution, reduced its influence to the automobile exhaust resistance, solved silencer corrosion, rotten serious problem, lengthened the life of automobile silencer, clean environmental protection.
Description
Technical field
The utility model is related to automotive muffler field, and in particular to a kind of automobile exhaust impedance composite muffler.
Background technology
Automotive muffler is to hinder sound transmission and allow special equipment that air-flow passes through, preventing and treating air flow power noise,
With auto industry fast development and the increasingly prosperity of transportation, silencer is installed and is undoubtedly reduction automobile noise pollution
One important measures.But silencer is in use, due to automobile engine discharge tail gas in containing substantial amounts of nitrogen oxides,
Oxycarbide, hydrocarbons and vapor, when tail gas is by silencer, a part of vapor is condensed in silencer, with tail
Pernicious gas in gas generates more strong waste caustics so that silencer is because useless with corrosive substance fusion, reaction
Liquid corrosion, rot and damage, as one of most short parts of life-span on automobile.However we have found that existing with automatic row
There is following defect in use in the silencer of water function：1st, on the basis of automatic drainage function is met, silencer is reduced
Required ability for eliminating automobile noise pollution itself；2nd, due to designing increased discharge structure in addition, increased automobile and disappear
The exhaust resistance of sound device, consumes power, makes the operating efficiency of car engine and reduces；3rd, siphon pipe, the venturi for using at present
Drainage effect is poor in actual use for the simplicity such as pipe discharge structure, and spiles meeting due to corrosion aperture in silencer lowest part
Slowly become macropore influence silencer outer tube and function；4th, the emission-free purification function of silencer, air is directly discharged into by waste gas, to ring
Cause very big pollution in border.
Utility model content
For deficiency of the prior art, the utility model provides a kind of automobile exhaust impedance composite muffler,
Ensure silencer eliminate noise pollution on the premise of, solve the problems, such as silencer corrosion, rot it is serious, considerably increase automobile
The service life of silencer, and emission has been purified, clean environment firendly.
The utility model provides a kind of automobile exhaust impedance composite muffler, including housing, the first dividing plate, second
Dividing plate, air inlet pipe, escaping pipe, silencing cotton, discharge of wastewater plug, screen pack, filter cotton and offgas duct；The internal cavities of the housing
It is divided into anechoic chamber, waste water reservoir chamber and the part of clean room three, the anechoic chamber and waste water reservoir chamber are setting up and down, the clean room
It is arranged at the anechoic chamber and waste water reservoir chamber one end；First dividing plate and the second partition are in vertical in the anechoic chamber
Set, the anechoic chamber is divided into the first anechoic chamber, the second anechoic chamber and the 3rd by first dividing plate and the second partition
Through hole is offered in anechoic chamber, and first dividing plate and the second partition；The air inlet pipe sequentially passes through described first
Anechoic chamber, the second anechoic chamber, and set with the diameter parallel of the housing, the end of the air inlet pipe extends to the described 3rd and disappears
Inside tone chamber, and the air inlet pipe endcapped, the side wall of the air inlet pipe offers air inlet pipe gas outlet, and the air inlet
Pipe gas outlet is located in second anechoic chamber, and the air inlet pipe gas outlet is set upward, and the air inlet pipe is located at described first
Through hole is offered on one section of tube wall in anechoic chamber and the 3rd anechoic chamber；The escaping pipe includes transverse tube and vertical tube, the transverse tube
It is integrally connected to form T-shaped with vertical tube, the transverse tube runs through second anechoic chamber, and two ends are respectively arranged at first noise reduction
In room, the 3rd anechoic chamber, the transverse tube two ends are escaping pipe air inlet, and the vertical tube is located in second anechoic chamber, institute
The one end for stating vertical tube is communicated on the side wall of the transverse tube, and the other end is extended downward in the waste water reservoir chamber, and the end is
Escaping pipe gas outlet, the transverse tube and vertical tube are located on one section of tube wall in second anechoic chamber and offer through hole；It is described enter
The junction silica gel sealing of tracheae and the escaping pipe and the anechoic chamber；The side of the waste water reservoir chamber is provided with exhaust
Mouthful, and the exhaust outlet connects with the clean room, the discharge of wastewater plug is arranged at the bottom of the waste water reservoir chamber, and leans on
The nearly exhaust outlet；The screen pack has two groups, is respectively arranged at clean room inside two ends, and the filter cotton is arranged at two
In region between the group screen pack, the extraneous connection in described offgas duct one end, the other end is extended in the clean room, and profit
Surrounded with the filter cotton.
As a kind of perferred technical scheme, the detachable installation in the clean room；Stored up with the waste water clean room
One end of collection room connection uses to be hinged and is tightly connected, and one end top that the clean room is connected with anechoic chamber is respectively arranged with convex
Rise, the projection is connected with and is fastened with nut.
As a kind of perferred technical scheme, the air inlet pipe offers and silencing cotton is coated with outside the tube wall of through hole；Institute
State transverse tube and vertical tube offers and silencing cotton is coated with outside the tube wall of through hole.
As a kind of perferred technical scheme, the bottom surface of the anechoic chamber is provided with one and catchments angle；Under the anechoic chamber
To recessed at the escaping pipe vertical tube, recessed angle is between 5-15 degree to the housing in portion.
As a kind of perferred technical scheme, the discharge of wastewater plug uses thread plug, is offered on the housing and institute
State thread plug cooperation screwed hole, the discharge of wastewater plug can by screwed apart with screw.
As a kind of perferred technical scheme, the air inlet pipe is equal with the stack diameter, a diameter of institute of transverse tube
State the half of stack diameter.
As a kind of perferred technical scheme, first anechoic chamber is identical with the volume of the 3rd anechoic chamber, and point
Not Wei the second noise reduction building volume half.
As a kind of perferred technical scheme, the air inlet pipe and the housing junction are provided with fixture, described solid
Determine part to fix the air inlet pipe with the housing seal.
Due to using above technical scheme, the utility model has the advantages that：
A kind of automobile exhaust impedance composite muffler, including housing, the first dividing plate, second partition, air inlet pipe, outlet
Pipe, silencing cotton, discharge of wastewater plug, screen pack, filter cotton and offgas duct；The internal cavities of the housing are divided into anechoic chamber, waste water
Reservoir chamber and the part of clean room three, anechoic chamber is divided into the first anechoic chamber, the second anechoic chamber by the first dividing plate and second partition
With the 3rd anechoic chamber, in setting in the second anechoic chamber and upward, two air inlets of escaping pipe are respectively at for the gas outlet of air inlet pipe
Set in one anechoic chamber and the 3rd anechoic chamber, the first dividing plate and second partition are respectively arranged with through hole, and air inlet pipe disappears positioned at first
Through hole, and outer wall cladding silencing cotton are provided with tube wall in tone chamber and the 3rd anechoic chamber, escaping pipe is located in the second anechoic chamber
Tube wall on be provided with through hole, and outer wall cladding silencing cotton；The side of waste water reservoir chamber is provided with exhaust outlet, is provided with clean room
Screen pack and filter cotton；Waste gas is discharged after sequentially passing through anechoic chamber, waste water reservoir chamber and clean room.Improved based on more than, this reality
After causing that waste gas enters from air inlet pipe with the noise-reducing structure of new use, fraction passes through the first anechoic chamber and the 3rd anechoic chamber
The through hole being inside provided with flows to the first anechoic chamber and the 3rd anechoic chamber respectively, and most of air-flow is by entering in the second anechoic chamber
Air pipe outlet flows out, and the through hole that fraction is directly provided with by the escaping pipe in the second anechoic chamber flows into escaping pipe, and
The silencing cotton being arranged in air inlet pipe and outlet pipe outer wall can absorb vibration energy of the sound wave with sound, reach the effect of noise reduction
Really；Air-flow is in flowing so that part acoustic energy is rubbed when by hole and changes into thermal energy consumption and dissipate, and is made by silencer
Sound wave weakens, and plays a part of resistance noise reduction；The gas outlet of air inlet pipe is set upward, can cause that air-flow is formed in anechoic chamber
Multiple reflections, are more beneficial for soundproof effect；Because the gas outlet of escaping pipe is in setting in the second anechoic chamber so that the second anechoic chamber
, apparently higher than the pressure in the first anechoic chamber and the 3rd anechoic chamber, air-flow can be by the first dividing plate and second partition for interior pressure
Through hole flow to the first anechoic chamber and the 3rd anechoic chamber respectively, there are the intrinsic frequency of oneself, air-flow in each anechoic chamber with pipe
During through hole on by dividing plate, the sound wave of some frequencies can not by through hole, can only in anechoic chamber roundtrip, serve
The effect of reactive muffling；Using above-described noise elimination structure, the purpose of impedance complex formula noise elimination is reached, soundproof effect is brighter
Aobvious, simple structure is convenient to produce and manufacture；Condensed waste liquid can be concentrated and stored by the waste water reservoir chamber being provided with, periodically row
Put treatment；The screen pack and filter cotton being arranged in clean room can significantly drop to being discharged into air after waste gas layered filtration
Low pollution of the vehicle exhaust to air, clean environment firendly.
In the utility model, the detachable installation in clean room.Based on more than improve, can will in clean room using too long,
The screen pack and filter cotton of catharsis reduction are changed so that the purification function of silencer is ensured well.
In the utility model, the bottom surface of anechoic chamber is provided with one and catchments angle.Improved based on more than, escaping pipe is located at housing
Downside, and under housing at lateral escaping pipe incline have an angle so that in silencer condense waste caustics can be suitable
Profit flows to escaping pipe by the through hole on dividing plate, and the through hole being provided with by escaping pipe enters escaping pipe, with escaping pipe
Air-flow is discharged outside silencer in time, solves the problems, such as that waste caustics causes corrosion, rotten to silencer.
In the utility model, discharge of wastewater plug is provided with waste water reservoir chamber.Improved based on more than, condensed waste liquid will
It is stored in waste water reservoir chamber, regularly can be released waste liquid by discharge of wastewater plug, focus on, reaches environmentally friendly purpose；
In the utility model, the second noise reduction building volume being provided with is larger, and two air inlet diameters of escaping pipe are that gas outlet is straight
The half in footpath.Improved based on more than, the gas outlet of air inlet pipe is arranged in the second larger anechoic chamber of volume, subtracts to the full extent
Small resistance of the silencer to automobile exhaust, reduces the influence to power of vehicle；The nearly air inlet diameter of escaping pipe is outlet
The half of mouth diameter so that air-flow can in a balanced way pass through the through hole on air inlet pipe, escaping pipe and two dividing plates, reach and preferably disappear
Sound effective value；
In the utility model, air inlet pipe is fixed with housing using fixture.Improved based on more than so that air inlet pipe and noise elimination
Device is connected firmly, reason running car produce vibrations and loosen；
In sum, the utility model reduces silencer to automobile while the pollution of elimination automobile noise has been reached
The influence of exhaust resistance, solve the problems, such as silencer corrosion, rot it is serious, extend the service life of automotive muffler, and
Clean environment firendly.
Brief description of the drawings
In order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art, below will be to specific
The accompanying drawing to be used needed for implementation method or description of the prior art is briefly described.In all of the figs, similar element
Or the general reference by being similar in part is identified.In accompanying drawing, each element or part might not draw according to actual ratio.
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the utility model A-A directional profile structural representations；
Reference：1- housings；2- air inlet pipe；3- escaping pipes；The dividing plates of 4- first；5- second partitions；The anechoic chambers of 6- first；
The anechoic chambers of 7- second；The anechoic chambers of 8- the 3rd；9- silencing cottons；10- waste water reservoir chamber；11- discharge of wastewater plugs；12- clean rooms；13-
Screen pack；14- filter cottons；15- offgas ducts；16- fixtures.
Specific embodiment
The embodiment of technical solution of the present invention is described in detail below in conjunction with accompanying drawing.Following examples are only used for
Technical scheme is clearly illustrated, therefore is intended only as example, and protection of the invention can not be limited with this
Scope.
As depicted in figs. 1 and 2, the utility model provides a kind of automobile exhaust impedance composite muffler, including shell
Body 1, the first dividing plate 4, second partition 5, air inlet pipe 2, escaping pipe 3, silencing cotton 9, discharge of wastewater plug 11, screen pack 13, filter cotton
14 and offgas duct 15；The internal cavities of the housing 1 are divided into anechoic chamber, waste water reservoir chamber 10 and the part of clean room 12 3, described
Anechoic chamber and waste water reservoir chamber 10 are setting up and down, and the clean room 12 is arranged at the anechoic chamber and the one end of waste water reservoir chamber 10；
First dividing plate 4 and the second partition 5 are vertically arranged in the anechoic chamber, first dividing plate 4 and described second every
The anechoic chamber is divided into the first anechoic chamber 6, the second anechoic chamber 7 and the 3rd anechoic chamber 8, and first dividing plate 4 and institute by plate 5
State and offer through hole on second partition 5；The air inlet pipe 2 sequentially passes through first anechoic chamber 6, the second anechoic chamber 7, and with
The diameter parallel of the housing 1 is set, and the end of the air inlet pipe 2 is extended to inside the 3rd anechoic chamber 8, and the air inlet
The endcapped of pipe 2, the side wall of the air inlet pipe 2 offers the gas outlet of air inlet pipe 2, and the gas outlet of the air inlet pipe 2 is located at institute
State in the second anechoic chamber 7, the gas outlet of the air inlet pipe 2 is set upward, the air inlet pipe 2 is located at first anechoic chamber 6 and the
Through hole is offered on one section of tube wall in three anechoic chambers 8；The escaping pipe 3 includes transverse tube and vertical tube, and the transverse tube and vertical tube connect
Connect integrally formed T-shaped, the transverse tube runs through second anechoic chamber 7, and two ends are respectively arranged at first anechoic chamber 6, the
In three anechoic chambers 8, the transverse tube two ends are the air inlet of escaping pipe 3, and the vertical tube is located in second anechoic chamber 7, described
One end of vertical tube is communicated on the side wall of the transverse tube, and the other end is extended downward in the waste water reservoir chamber 10, and the end is
The gas outlet of escaping pipe 3, the transverse tube and vertical tube are located on one section of tube wall in second anechoic chamber 7 and offer through hole；It is described
The side of waste water reservoir chamber 10 is provided with exhaust outlet, and the exhaust outlet is connected with the clean room 12, the discharge of wastewater plug
11 bottoms for being arranged at the waste water reservoir chamber 10, and near the exhaust outlet；The screen pack 13 has two groups, is respectively arranged at
The inside two ends of the clean room 12, the filter cotton 14 is arranged in the region between screen pack 13 described in two groups, the tail gas
The extraneous connection in the one end of pipe 15, the other end is extended in the clean room 12, and is surrounded using the filter cotton 14.
The course of work of whole muffler is that, when the waste gas of automobile engine enters from air inlet pipe 2, air-flow is along air inlet pipe 2
Flow inwards, fraction flows to the first anechoic chamber 6 respectively by the through hole being provided with the first anechoic chamber 6 and the 3rd anechoic chamber 8
With the 3rd anechoic chamber 8, most of air-flow is by the gas outlet of air inlet pipe 2 outflow in the second anechoic chamber 7, and fraction is direct
The through hole being provided with by the escaping pipe 3 in the second anechoic chamber 7 flows into escaping pipe 3, and is arranged at outside air inlet pipe 2 and escaping pipe 3
Silencing cotton 9 on wall can absorb vibration energy of the sound wave with sound, reach the effect of noise reduction；Air-flow is in flowing so that portion
Divide acoustic energy to be rubbed when by hole and change into thermal energy consumption and dissipate, make to weaken by the sound wave of silencer, play resistance noise reduction
Effect；The gas outlet of air inlet pipe 2 is set upward, can cause that air-flow forms multiple reflections in anechoic chamber, is more beneficial for disappearing
Sound effective value.Gas outlet due to escaping pipe 3 in the second anechoic chamber 7 in setting so that pressure in the second anechoic chamber 7 apparently higher than
Pressure in first anechoic chamber 6 and the 3rd anechoic chamber 8, air-flow can respectively be flowed by the through hole on the first dividing plate 4 and second partition 5
To the first anechoic chamber 6 and the 3rd anechoic chamber 8, there is the intrinsic frequency of oneself each anechoic chamber with pipe, and air-flow is by dividing plate
On through hole when, the sound wave of some frequencies can not by through hole, can only in anechoic chamber roundtrip, serve reactive muffling
Effect；Using above-described noise elimination structure, the purpose of impedance complex formula noise elimination has been reached.Air-flow enters waste water reservoir chamber 10
Afterwards, the exhaust outlet being provided with by the upper end of waste water reservoir chamber 10 flows to clean room 12, by screen pack 13 and filter cotton 14
Layering purification, by the row of offgas duct 15 outwardly.Condensed waste liquid is discharged to storage in waste water reservoir chamber 10, profit through escaping pipe 3
Periodically waste liquid is discharged with discharge of wastewater plug 11, is focused on, after drained waste liquid, then discharge of wastewater plug 11 is screwed into silencer
On.
One end that clean room 12 is connected with waste water reservoir chamber 10 uses to be hinged and is tightly connected, and clean room 12 is connected with anechoic chamber
One end top be respectively arranged with projection, projection is connected with and is fastened with nut so that the detachable installation in clean room 12；
During dismounting, nut is unloaded with bolt, chamber opening will be purified using being hinged for the bottom of clean room 12, change screen pack 13 and filtering
Cotton 14, it is contrary to the above the step of installation after the completion of replacing, will not be repeated here.
The bottom surface of anechoic chamber is provided with one and catchments angle, the housing 1 of anechoic chamber bottom to recessed at the vertical tube of escaping pipe 3, under
Re-entrant angle degree is between 5-15 degree so that the waste caustics condensed in silencer can pass through the through hole flow direction on dividing plate
Escaping pipe 3, and the through hole being provided with by escaping pipe 3 enters escaping pipe 3, is discharged outside silencer in time with discharge air-flow, solves
Waste caustics causes corrosion, rotten problem to silencer.
Air inlet pipe 2 is equal with the stack diameter of escaping pipe 3, the half of a diameter of stack diameter of transverse tube of escaping pipe 3, works as gas
Stream enters silencer so that air-flow can in a balanced way pass through the through hole on air inlet pipe 2, the dividing plate of escaping pipe 3 and two, reaches preferably
Soundproof effect；Air inlet pipe 2 and the junction silica gel sealing of escaping pipe 3 and anechoic chamber, it is ensured that the seal of silencer so that
Air-flow by being discharged after silencer, soundproof effect is reached most preferably；First anechoic chamber 6 is identical with the volume of the 3rd anechoic chamber 8,
And the respectively half of the volume of the second anechoic chamber 7, when air-flow enters silencer, can in the second anechoic chamber 7 multiple reflections, gas
Stream respectively enters the first anechoic room, the 3rd anechoic room and escaping pipe 3 after being buffered so that silencer resistance to being vented in itself
Substantially reduce, it is ensured that the operating efficiency of car engine；The air inlet diameter of escaping pipe 3 is the half of gas outlet diameter so that
Air-flow can in a balanced way pass through the through hole on air inlet pipe 2, the dividing plate of escaping pipe 3 and two, reach preferable soundproof effect；Air inlet pipe 2
The junction of housing 1 is provided with fixture 16, air inlet pipe 2 and housing 1 are sealed fixation by fixture 16.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
Pipe has been described in detail with reference to foregoing embodiments to the present invention, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme, it all should cover in the middle of the scope of claim of the invention and specification.
Claims (8)
1. a kind of automobile exhaust impedance composite muffler, it is characterised in that：Including housing, the first dividing plate, second partition, enter
Tracheae, escaping pipe, silencing cotton, discharge of wastewater plug, screen pack, filter cotton and offgas duct；
The internal cavities of the housing are divided into anechoic chamber, waste water reservoir chamber and the part of clean room three, and the anechoic chamber and waste water are stored up
Collection room is setting up and down；
First dividing plate and the second partition are vertically arranged in the anechoic chamber, first dividing plate and described second every
The anechoic chamber is divided into the first anechoic chamber, the second anechoic chamber and the 3rd anechoic chamber, and first dividing plate and described by plate
Through hole is offered on two dividing plates；
The air inlet pipe sequentially passes through first anechoic chamber, the second anechoic chamber, and is set with the diameter parallel of the housing, institute
The end for stating air inlet pipe is extended to inside the 3rd anechoic chamber, and the air inlet pipe endcapped, the side of the air inlet pipe
Wall offers air inlet pipe gas outlet, and the air inlet pipe gas outlet is located in second anechoic chamber, the air inlet pipe gas outlet
Set upward, the air inlet pipe is located on one section of tube wall in first anechoic chamber and the 3rd anechoic chamber and offers through hole；
The escaping pipe includes transverse tube and vertical tube, and the transverse tube and vertical tube be integrally connected to form T-shaped, and the transverse tube is through described the
Two anechoic chambers, and two ends be respectively arranged at first anechoic chamber, in the 3rd anechoic chamber, the transverse tube two ends are escaping pipe and enter
Gas port, the vertical tube is located in second anechoic chamber, and one end of the vertical tube is communicated on the side wall of the transverse tube, the other end
Extend downward in the waste water reservoir chamber, and the end is escaping pipe gas outlet, the transverse tube and vertical tube disappear positioned at described second
Through hole is offered on one section of tube wall in tone chamber；
The side of the waste water reservoir chamber is provided with exhaust outlet, and the exhaust outlet is connected with the clean room, the waste water row
The bottom that plug is arranged at the waste water reservoir chamber is put, and near the exhaust outlet；
The screen pack has two groups, is respectively arranged at clean room inside two ends, and the filter cotton is arranged at mistake described in two groups
In region between filter screen, described offgas duct one end is in communication with the outside, and the other end is extended in the clean room, and using described
Filter cotton is surrounded.
2. a kind of automobile exhaust impedance composite muffler according to claim 1, it is characterised in that：The clean room
Detachable installation.
3. a kind of automobile exhaust impedance composite muffler according to claim 1, it is characterised in that：The air inlet pipe
Offer and silencing cotton is coated with outside the tube wall of through hole；The transverse tube and vertical tube offer and noise reduction are coated with outside the tube wall of through hole
Cotton.
4. a kind of automobile exhaust impedance composite muffler according to claim 1, it is characterised in that：The anechoic chamber
Bottom surface be provided with one and catchment angle.
5. a kind of automobile exhaust impedance composite muffler according to claim 1, it is characterised in that：The waste water row
Put plug and use thread plug, the screwed hole coordinated with the thread plug is offered on the housing.
6. a kind of automobile exhaust impedance composite muffler according to claim 1, it is characterised in that：The air inlet pipe
It is equal with the stack diameter, the half of a diameter of stack diameter of transverse tube.
7. a kind of automobile exhaust impedance composite muffler according to claim 1, it is characterised in that：Described first disappears
Tone chamber is identical with the volume of the 3rd anechoic chamber, and respectively described second noise reduction building volume half.
8. a kind of automobile exhaust impedance composite muffler according to claim 1, it is characterised in that：The air inlet pipe
The housing junction is provided with fixture, the fixture fixes the air inlet pipe with the housing seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621274410.6U CN206175028U (en) | 2016-11-25 | 2016-11-25 | Compound silencer of impedance for automobile exhaust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621274410.6U CN206175028U (en) | 2016-11-25 | 2016-11-25 | Compound silencer of impedance for automobile exhaust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206175028U true CN206175028U (en) | 2017-05-17 |
Family
ID=60241841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621274410.6U Expired - Fee Related CN206175028U (en) | 2016-11-25 | 2016-11-25 | Compound silencer of impedance for automobile exhaust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206175028U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107288708A (en) * | 2017-08-22 | 2017-10-24 | 芜湖恒耀汽车零部件有限公司 | A kind of motor vehicle exhaust emission silencer |
| CN108266256A (en) * | 2017-12-13 | 2018-07-10 | 江苏多为泵业股份有限公司 | A kind of exhaust end cone |
| CN108266255A (en) * | 2018-03-22 | 2018-07-10 | 南京世界村汽车动力有限公司 | A kind of automotive muffler |
| CN109340730A (en) * | 2018-11-20 | 2019-02-15 | 连云港长锦电力设备有限公司 | Silencer and the boiler for applying it |
| CN109785822A (en) * | 2019-01-22 | 2019-05-21 | 上海朴渡信息科技有限公司 | Muffler structure is taken in a kind of protection |
| CN112081642A (en) * | 2020-10-06 | 2020-12-15 | 武汉理工大学 | Be used for cycle racing exhaust silencer |
| CN113107640A (en) * | 2021-04-26 | 2021-07-13 | 湖州新兴汽车部件有限公司 | Automobile exhaust purification silencer capable of increasing contact between silencing cotton and air |
| WO2022143372A1 (en) * | 2020-12-30 | 2022-07-07 | 曼胡默尔滤清器（上海）有限公司 | Broadband muffler for fuel cell vehicle |
-
2016
- 2016-11-25 CN CN201621274410.6U patent/CN206175028U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107288708A (en) * | 2017-08-22 | 2017-10-24 | 芜湖恒耀汽车零部件有限公司 | A kind of motor vehicle exhaust emission silencer |
| CN108266256A (en) * | 2017-12-13 | 2018-07-10 | 江苏多为泵业股份有限公司 | A kind of exhaust end cone |
| CN108266255A (en) * | 2018-03-22 | 2018-07-10 | 南京世界村汽车动力有限公司 | A kind of automotive muffler |
| CN109340730A (en) * | 2018-11-20 | 2019-02-15 | 连云港长锦电力设备有限公司 | Silencer and the boiler for applying it |
| CN109785822A (en) * | 2019-01-22 | 2019-05-21 | 上海朴渡信息科技有限公司 | Muffler structure is taken in a kind of protection |
| CN109785822B (en) * | 2019-01-22 | 2023-03-14 | 上海朴渡信息科技有限公司 | Muffler structure for protective clothing |
| CN112081642A (en) * | 2020-10-06 | 2020-12-15 | 武汉理工大学 | Be used for cycle racing exhaust silencer |
| WO2022143372A1 (en) * | 2020-12-30 | 2022-07-07 | 曼胡默尔滤清器（上海）有限公司 | Broadband muffler for fuel cell vehicle |
| CN113107640A (en) * | 2021-04-26 | 2021-07-13 | 湖州新兴汽车部件有限公司 | Automobile exhaust purification silencer capable of increasing contact between silencing cotton and air |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20170517 Termination date: 20191125 |