CN101886564B - Silencer of internal-combustion engine - Google Patents
Silencer of internal-combustion engine Download PDFInfo
- Publication number
- CN101886564B CN101886564B CN201010228727A CN201010228727A CN101886564B CN 101886564 B CN101886564 B CN 101886564B CN 201010228727 A CN201010228727 A CN 201010228727A CN 201010228727 A CN201010228727 A CN 201010228727A CN 101886564 B CN101886564 B CN 101886564B
- Authority
- CN
- China
- Prior art keywords
- wind
- wind guiding
- combustion engine
- guiding
- guiding cone
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Exhaust Silencers (AREA)
Abstract
The invention discloses a silencer of an internal-combustion engine, which comprises a pipe body, the two ends of which are respectively provided with an air inlet pipe and an air outlet pipe, wherein the pipe body is internally provided a wind guiding part; the wind guiding part comprises a wind guiding cone and a plurality of wind guiding blades; the plurality of wind guiding blades are evenly distributed around the peripheral direction of the wind guiding cone at the same inclined angle; and the outlet of the air inlet pipe is matched with the wind guiding cone. The air current and the sound wave are evenly guided to the wind guiding blades through the wind guiding cone, are slantwise sent to the wall of the pipe along the plurality of wind guiding blades, are formed into spiral progressive routes in the pipe body through the guide of wall of the pipe, and are discharged out of the air outlet pipe. The air current and the sound wave flow in the pipe body along the spiral progressive routes, so that the attenuation is increased if the lengths of the routes of the air current and the sound wave are lengthened, therefore, the silencer has a good noise reducing effect. Furthermore, the air outlet pipe is arranged at the side of the inclined direction of the wind guiding blades, so that the exhausting resistance is small, the exhausting is smoother, the backpressure is small, the oil consumption of the internal-combustion engine is reduced, and the output power of the internal-combustion engine is increased.
Description
Technical field
The invention belongs to the silencing apparatus technical field, particularly relate to a kind of internal combustion engine exhaust silencer.
Background technique
Common internal combustion engine exhaust silencer comprises that two ends are respectively equipped with the separate ventilation pipe of suction tude and steam outlet pipe, are provided with interior ventilation duct in the separate ventilation pipe; Be evenly equipped with through hole on the interior ventilation duct; Air-flow and the sound wave through hole through interior ventilation duct to around discharge, its deficiency is: rectangular discharge around the air-flow harmony wave direction, under follow-up air-flow progradation of coming in; Discharged silencing apparatus soon; Because the time that air-flow and sound wave stop in silencing apparatus is short, the route of air-flow and sound wave is short, decay is few, so noise reduction is poor.
Summary of the invention
The objective of the invention is to the deficiency that exists to existing technology and a kind of internal combustion engine exhaust silencer is provided, it has good noise reduction, and can reduce the oil consumption of internal-combustion engine, can also increase the output power of internal-combustion engine simultaneously.
To achieve these goals; The technological scheme that the present invention adopted is: internal combustion engine exhaust silencer; Comprise that two ends are respectively equipped with the body of suction tude and steam outlet pipe, is characterized in that: be provided with air guide member in the said body, air guide member includes wind-guiding cone and the wind guiding blade that is fixed in wind-guiding cone rear end; Wind guiding blade evenly distributes with identical angle of inclination around the circumferencial direction of wind-guiding cone, and the outlet of suction tude matches with the wind-guiding cone; Said air guide member also includes the disk that fits tightly with inboard wall of tube body, and the wind-guiding cone is arranged on the disc centre place, and each wind guiding blade all is arranged in the vane hole of offering on the disk; Less than 90 degree, wind guiding blade is spent less than 45 greater than 0 degree with respect to the angle of inclination of disk card greater than 45 degree at the angle of inclination of the conical surface of said wind-guiding cone.
The angle of inclination of the conical surface of said wind-guiding cone is 60 degree, and wind guiding blade is 15 degree with respect to the angle of inclination of disk card.
Dividing plate by the band breathing pipe in the said body is divided into the wind storehouse more than the two-stage, and one group of air guide member all is set in the wind at different levels storehouse, and the outlet of suction tude matches with wind-guiding cone in the elementary wind storehouse, and the outlet of breathing pipe matches with wind-guiding cone in the next stage wind storehouse.
Said suction tude is twice right angle folding shape of turnover.
The position of said steam outlet pipe is corresponding with the true dip direction of wind guiding blade in the final stage wind storehouse.
Beneficial effect of the present invention: the air guide member with wind-guiding cone and wind guiding blade is set in body; Air-flow and sound wave are after the wind-guiding cone is guided to wind guiding blade uniformly; The directive tube wall that air-flow and sound wave tilt along wind guiding blade forms the progressive shape route of spiral through the guiding of tube wall, after the steam outlet pipe discharge in body; Because air-flow and sound wave are advanced along the progressive shape route of spiral in body; The path length lengthening of air-flow and sound wave so decay strengthens, therefore has good noise reduction.In addition, steam outlet pipe is arranged on wind guiding blade true dip direction side, makes that exhaust resistance is little, exhaust is more smooth and easy, back pressure is little, and the oil consumption of internal-combustion engine also can reduce, and has also increased the output power of internal-combustion engine simultaneously.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is the plane structure schematic representation (body is cut open) of the embodiment of the invention.
Fig. 2 is the perspective view of air guide member of the present invention.
Among the figure: 1, body, 10, suction tude; 20, steam outlet pipe; 30, dividing plate; 40, Feng Cang; 50, breathing pipe; 60, air guide member; 61, disk; 62, wind-guiding cone; 63, vane hole; 64, wind guiding blade.
Embodiment
The following stated is merely preferred embodiment of the present invention, does not therefore limit protection scope of the present invention.
Embodiment, see illustrated in figures 1 and 2: internal combustion engine exhaust silencer, comprise that two ends are respectively equipped with the body 1 of suction tude 10 and steam outlet pipe 20, the dividing plate 30 by band breathing pipe 50 in the body 1 is divided into two-stage wind storehouse 40, and one group of air guide member 60 all is set in the wind at different levels storehouse 40.
Suction tude 10 is twice right angle folding shape of turnover, and its outlet is the wind-guiding cone 62 in 40 over against elementary wind storehouse.The outlet of breathing pipe 50 is the wind-guiding cone 62 in 40 over against next stage wind storehouse.Steam outlet pipe 20 is arranged on wind guiding blade 64 true dip direction sides in the final stage wind storehouse 40, makes that like this exhaust resistance is little, exhaust is more smooth and easy, back pressure is little, and the oil consumption of internal-combustion engine also can reduce, and has also increased the output power of internal-combustion engine simultaneously.
Less than 90 degree, preferred angle of inclination is 60 degree greater than 45 degree at the angle of inclination of the conical surface of wind-guiding cone 62.Wind guiding blade 64 is spent less than 45 greater than 0 degree with respect to the angle of inclination of disk 61 cards, and the angle of inclination of wind guiding blade 64 is provided with according to the length of body 1 and the progressive shape path length of spiral of air-flow and sound wave, and preferred angle of inclination is 15 degree.
In the present embodiment; Air-flow and sound wave are through the elementary wind storehouse 40 that suction tude 10 gets in the body 1, and air-flow and sound wave are after wind-guiding cone 62 is guided to wind guiding blade 64 uniformly, and air-flow and sound wave are along the directive tube wall of wind guiding blade 64 inclinations; Guiding through tube wall forms the progressive shape route of spiral in elementary wind storehouse 40; Then get into next stage wind storehouse 40 from breathing pipe 50, in next stage wind storehouse 40, the traveling process of air-flow and sound wave is identical with upper level wind storehouse 40 with route; At last, air-flow and sound wave are discharged from the steam outlet pipe 20 in final stage wind storehouse 40.Because air-flow and sound wave are advanced along the progressive shape route of spiral in body 1, air-flow and sound wave so decay strengthens, therefore have good noise reduction through the path length lengthening of silencing apparatus.
Claims (5)
1. internal combustion engine exhaust silencer; Comprise that two ends are respectively equipped with the body of suction tude and steam outlet pipe; It is characterized in that: be provided with air guide member in the said body; Air guide member includes wind-guiding cone and the wind guiding blade that is fixed in wind-guiding cone rear end, and wind guiding blade evenly distributes with identical angle of inclination around the circumferencial direction of wind-guiding cone, and the outlet of suction tude matches with the wind-guiding cone; Said air guide member also includes the disk that fits tightly with inboard wall of tube body, and the wind-guiding cone is arranged on the disc centre place, and each wind guiding blade all is arranged in the vane hole of offering on the disk; Less than 90 degree, wind guiding blade is spent less than 45 greater than 0 degree with respect to the angle of inclination of disk card greater than 45 degree at the angle of inclination of the conical surface of said wind-guiding cone.
2. internal combustion engine exhaust silencer according to claim 1 is characterized in that: the angle of inclination of the conical surface of said wind-guiding cone is 60 degree, and wind guiding blade is 15 degree with respect to the angle of inclination of disk card.
3. internal combustion engine exhaust silencer according to claim 1 and 2; It is characterized in that: the dividing plate by the band breathing pipe in the said body is divided into the wind storehouse more than the two-stage; One group of air guide member all is set in the wind at different levels storehouse; The outlet of suction tude matches with wind-guiding cone in the elementary wind storehouse, and the outlet of breathing pipe matches with wind-guiding cone in the next stage wind storehouse.
4. internal combustion engine exhaust silencer according to claim 3 is characterized in that: said suction tude is twice right angle folding shape of turnover.
5. internal combustion engine exhaust silencer according to claim 4 is characterized in that: the position of said steam outlet pipe is corresponding with the true dip direction of wind guiding blade in the final stage wind storehouse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010228727A CN101886564B (en) | 2010-07-16 | 2010-07-16 | Silencer of internal-combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010228727A CN101886564B (en) | 2010-07-16 | 2010-07-16 | Silencer of internal-combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101886564A CN101886564A (en) | 2010-11-17 |
| CN101886564B true CN101886564B (en) | 2012-10-03 |
Family
ID=43072627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010228727A Expired - Fee Related CN101886564B (en) | 2010-07-16 | 2010-07-16 | Silencer of internal-combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101886564B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106545393A (en) * | 2016-11-25 | 2017-03-29 | 湖州山海环保工程有限公司 | A kind of silencer for internal-combustion engine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2136878Y (en) * | 1992-09-28 | 1993-06-23 | 吴大径 | Exhaust-gas purifier and silencer for internal combustion engine |
| CN1145448A (en) * | 1996-02-09 | 1997-03-19 | 朱尊德 | Cyclone discharge silencer |
| RU2113600C1 (en) * | 1993-03-01 | 1998-06-20 | Кояков Василий Федорович | Exhaust silencer for internal-combustion engines |
| CN201714462U (en) * | 2010-07-16 | 2011-01-19 | 丁秋明 | Muffler of internal combustion engine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5614823A (en) * | 1979-07-19 | 1981-02-13 | Imai Yoshi | Exhaust gas purifying and silencing apparatus for diesel engine |
| US8141353B2 (en) * | 2008-04-25 | 2012-03-27 | Tenneco Automotive Operating Company Inc. | Exhaust gas additive/treatment system and mixer for use therein |
-
2010
- 2010-07-16 CN CN201010228727A patent/CN101886564B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2136878Y (en) * | 1992-09-28 | 1993-06-23 | 吴大径 | Exhaust-gas purifier and silencer for internal combustion engine |
| RU2113600C1 (en) * | 1993-03-01 | 1998-06-20 | Кояков Василий Федорович | Exhaust silencer for internal-combustion engines |
| CN1145448A (en) * | 1996-02-09 | 1997-03-19 | 朱尊德 | Cyclone discharge silencer |
| CN201714462U (en) * | 2010-07-16 | 2011-01-19 | 丁秋明 | Muffler of internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101886564A (en) | 2010-11-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102234784B1 (en) | Blower and outdoor unit of air conditioner having the same | |
| CN104302927B (en) | Diffuser, the ventilation blower with this diffuser and the equipment with this ventilation blower | |
| CN105570200B (en) | A kind of dedusting fan air outlet noise-reduction device | |
| US20100282538A1 (en) | Muffler having fluid swirling vanes | |
| CN103649548A (en) | Airflow assembly having improved acoustical performance | |
| CN103062112A (en) | Road cleaning equipment and centrifugal fan impeller thereof | |
| CN205047275U (en) | Silencer for use in automobile | |
| CN105909562A (en) | Turbocharger compressor volute with noise reduction function | |
| CN201714462U (en) | Muffler of internal combustion engine | |
| CN109469645B (en) | Centrifugal fan spiral case | |
| CN101886564B (en) | Silencer of internal-combustion engine | |
| CN103423203B (en) | Centrifugal fan and road sweeper | |
| CN101558224A (en) | Device for improving the effectiveness of acoustic treatments in an aircraft drive duct | |
| CN203742714U (en) | Silencer for reducing wind noise | |
| CN109488459A (en) | Rotatable air intake duct and aircraft in the hypersonic three-dimensional of one kind | |
| CN102242944B (en) | Static-suction-type range hood fan volute | |
| JP2016053352A (en) | Exhaust gas turbine of turbocharger | |
| CN207122704U (en) | A kind of energy-saving silencing pipeline suitable for the vertical air intake in 90 ° of top | |
| CN106837803A (en) | Silencer and compressor | |
| CN103940002B (en) | Buffer unit and there is its air-conditioner outdoor unit | |
| CN202141107U (en) | Volute for fan of electrostatic induced-draught range hood | |
| CN105241050A (en) | Multi-cavity silencer of air conditioner | |
| CN205639022U (en) | A fan wall of making an uproar falls for having shell centrifugal fan | |
| CN104131998A (en) | Fan and sweeping machine | |
| CN106499466A (en) | A kind of curved row's acoustic filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20150716 |
|
| EXPY | Termination of patent right or utility model |