JPS5973517U - Exhaust silencer for automobile internal combustion engines - Google Patents
Exhaust silencer for automobile internal combustion enginesInfo
- Publication number
- JPS5973517U JPS5973517U JP1982169353U JP16935382U JPS5973517U JP S5973517 U JPS5973517 U JP S5973517U JP 1982169353 U JP1982169353 U JP 1982169353U JP 16935382 U JP16935382 U JP 16935382U JP S5973517 U JPS5973517 U JP S5973517U
- Authority
- JP
- Japan
- Prior art keywords
- pulsating
- internal combustion
- branch pipe
- pressure
- exhaust gas
- 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
Links
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
- F01N1/06—Silencing apparatus characterised by method of silencing by using interference effect
- F01N1/065—Silencing apparatus characterised by method of silencing by using interference effect by using an active noise source, e.g. speakers
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の自動車用内燃機関の排気消音装置を示す
概略図、第２，３図はこの考案の第１実施例を示す図で
あり、第２図はその概略系統図、第３図はその圧力発生
器の側面断面図、第４図はこの考案の第、２実施例を示
す概略系統図である。
１４・・・・・・排気通路、１５・・・・・・分岐管、
１６・・・・・・圧力検出器（圧力検出手段）、２０・
・・・・・脈圧発生器（脈圧発生手段）、２２．３９・
・・・・・脈圧制卸回路（脈圧ル制御手段）。Fig. 1 is a schematic diagram showing a conventional exhaust silencing device for an internal combustion engine for automobiles, Figs. 2 and 3 are diagrams showing a first embodiment of this invention, Fig. 2 is a schematic diagram thereof, and Fig. 3 is a diagram showing a first embodiment of this invention. 4 is a side sectional view of the pressure generator, and FIG. 4 is a schematic system diagram showing the second embodiment of this invention. 14... Exhaust passage, 15... Branch pipe,
16... Pressure detector (pressure detection means), 20.
...Pulse pressure generator (pulse pressure generation means), 22.39.
...Pulse pressure control circuit (pulse pressure control means).
Claims (1)
に連結された排気通路と、この排気通路に分岐して設け
られた分岐管と、排気通路と分岐管との分岐点より所定
距離上流側の排気ガスの脈動圧を検出する圧力検出手段
と、分岐管内に分岐点から前記所定距離と同−距離離れ
て設けられ脈動波を発生する脈圧発生手段と、圧力検出
手段により検出された排気ガスの脈動圧に基づいて分岐
管内に排気ガスと同一の圧力範囲および同一波長で位相
が排気ガスの脈動の位相と１７２波長異なる脈動波を発
生させるように脈圧発生手段を制御する脈圧制御手段と
、を備えたことを特徴とする自動車用内燃機関の排気消
音装置。An exhaust passage connected to an internal combustion engine that discharges exhaust gas that pulsates in a certain pressure range, a branch pipe branching off from this exhaust passage, and a predetermined distance upstream from the branching point of the exhaust passage and the branch pipe. pressure detection means for detecting the pulsating pressure of the exhaust gas; a pulsating pressure generating means for generating pulsating waves provided in the branch pipe at a distance equal to the predetermined distance from the branch point; Pulsating pressure control that controls a pulsating pressure generating means to generate a pulsating wave in the branch pipe based on the pulsating pressure of the gas, in the same pressure range and wavelength as the exhaust gas, but whose phase is 172 wavelengths different from the phase of the pulsating exhaust gas. An exhaust silencing device for an internal combustion engine for an automobile, comprising: means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982169353U JPS5973517U (en) | 1982-11-08 | 1982-11-08 | Exhaust silencer for automobile internal combustion engines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982169353U JPS5973517U (en) | 1982-11-08 | 1982-11-08 | Exhaust silencer for automobile internal combustion engines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5973517U true JPS5973517U (en) | 1984-05-18 |
Family
ID=30369998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1982169353U Pending JPS5973517U (en) | 1982-11-08 | 1982-11-08 | Exhaust silencer for automobile internal combustion engines |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5973517U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62117213U (en) * | 1986-01-20 | 1987-07-25 | ||
| JP2012107545A (en) * | 2010-11-16 | 2012-06-07 | Nishimatsu Constr Co Ltd | Noise control device, construction machine, and fixed machine |
| JP2013160231A (en) * | 2012-02-06 | 2013-08-19 | Eberspaecher Exhaust Technology Gmbh & Co Kg | Active silencer |
| CN104131862A (en) * | 2013-05-03 | 2014-11-05 | 埃贝斯佩歇废气技术合资公司 | Sound generator for an exhaust system |
-
1982
- 1982-11-08 JP JP1982169353U patent/JPS5973517U/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62117213U (en) * | 1986-01-20 | 1987-07-25 | ||
| JP2012107545A (en) * | 2010-11-16 | 2012-06-07 | Nishimatsu Constr Co Ltd | Noise control device, construction machine, and fixed machine |
| JP2013160231A (en) * | 2012-02-06 | 2013-08-19 | Eberspaecher Exhaust Technology Gmbh & Co Kg | Active silencer |
| CN104131862A (en) * | 2013-05-03 | 2014-11-05 | 埃贝斯佩歇废气技术合资公司 | Sound generator for an exhaust system |
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