JPS63183469U - - Google Patents
Info
- Publication number
- JPS63183469U JPS63183469U JP7431387U JP7431387U JPS63183469U JP S63183469 U JPS63183469 U JP S63183469U JP 7431387 U JP7431387 U JP 7431387U JP 7431387 U JP7431387 U JP 7431387U JP S63183469 U JPS63183469 U JP S63183469U
- Authority
- JP
- Japan
- Prior art keywords
- air duct
- sound source
- wave motion
- sensor
- disposed
- 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
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 239000002033 PVDF binder Substances 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Description
第１図は本考案に係る車輌の吸気騒音低減装置
の一実施例を示す吸気系の構成図、第２図は第１
図に示す音源の振動板の一実施例を示す原理図、
第３図は従来のエンジンの吸気系の吸気騒音低減
装置を示す構成図である。
１…エンジン、２…吸気系、３…エアダクト、
４…エアクリーナ、５…インテークホース、６…
サージタンク、１０…吸気音低減装置、１１…セ
ンサ、１２…スピーカ、１３…ＰＶＤＦフイルム
、１４…制御装置。
FIG. 1 is a configuration diagram of an intake system showing an embodiment of the vehicle intake noise reduction device according to the present invention, and FIG.
A principle diagram showing an example of the diaphragm of the sound source shown in the figure,
FIG. 3 is a block diagram showing a conventional intake noise reduction device for an engine intake system. 1...Engine, 2...Intake system, 3...Air duct,
4...Air cleaner, 5...Intake hose, 6...
surge tank, 10... intake noise reduction device, 11... sensor, 12... speaker, 13... PVDF film, 14... control device.
Claims (1)
アダクト内の波動を検出するセンサと、前記エア
ダクト内に配設された音源と、前記センサの検出
信号に応じて前記音源を作動させ前記波動と反対
の位相の音響を発生させて前記波動の圧力変動を
低減させる制御装置とを備えたことを特徴とする
車輌の吸気系騒音低減装置。 a sensor disposed within an air duct of an intake system of a vehicle to detect wave motion within the air duct; a sound source disposed within the air duct; and a sound source operated in response to a detection signal of the sensor to oppose the wave motion. A control device for reducing pressure fluctuations of the waves by generating sound having a phase of .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7431387U JPS63183469U (en) | 1987-05-20 | 1987-05-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7431387U JPS63183469U (en) | 1987-05-20 | 1987-05-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63183469U true JPS63183469U (en) | 1988-11-25 |
Family
ID=30919416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7431387U Pending JPS63183469U (en) | 1987-05-20 | 1987-05-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63183469U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6248911A (en) * | 1985-08-28 | 1987-03-03 | Nippon Soken Inc | Positive type silencer |
-
1987
- 1987-05-20 JP JP7431387U patent/JPS63183469U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6248911A (en) * | 1985-08-28 | 1987-03-03 | Nippon Soken Inc | Positive type silencer |
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