JPS63118320U - - Google Patents
Info
- Publication number
- JPS63118320U JPS63118320U JP949687U JP949687U JPS63118320U JP S63118320 U JPS63118320 U JP S63118320U JP 949687 U JP949687 U JP 949687U JP 949687 U JP949687 U JP 949687U JP S63118320 U JPS63118320 U JP S63118320U
- Authority
- JP
- Japan
- Prior art keywords
- branch pipe
- noise
- pressure wave
- frequency
- actuator
- 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 description 5
- 230000008602 contraction Effects 0.000 claims 1
Landscapes
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Exhaust Silencers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP949687U JPS63118320U (xx) | 1987-01-26 | 1987-01-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP949687U JPS63118320U (xx) | 1987-01-26 | 1987-01-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63118320U true JPS63118320U (xx) | 1988-07-30 |
Family
ID=30794866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP949687U Pending JPS63118320U (xx) | 1987-01-26 | 1987-01-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63118320U (xx) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57135212A (en) * | 1981-02-16 | 1982-08-20 | Agency Of Ind Science & Technol | Muffler |
| JPS6022010A (ja) * | 1983-07-18 | 1985-02-04 | Nissan Motor Co Ltd | 排気騒音低減装置 |
-
1987
- 1987-01-26 JP JP949687U patent/JPS63118320U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57135212A (en) * | 1981-02-16 | 1982-08-20 | Agency Of Ind Science & Technol | Muffler |
| JPS6022010A (ja) * | 1983-07-18 | 1985-02-04 | Nissan Motor Co Ltd | 排気騒音低減装置 |