JPH0742163Y2 - 列車屋上機器の騒音防止構造 - Google Patents
列車屋上機器の騒音防止構造Info
- Publication number
- JPH0742163Y2 JPH0742163Y2 JP1990122083U JP12208390U JPH0742163Y2 JP H0742163 Y2 JPH0742163 Y2 JP H0742163Y2 JP 1990122083 U JP1990122083 U JP 1990122083U JP 12208390 U JP12208390 U JP 12208390U JP H0742163 Y2 JPH0742163 Y2 JP H0742163Y2
- Authority
- JP
- Japan
- Prior art keywords
- wind
- train
- noise
- rooftop
- pantograph
- 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 - Lifetime
Links
- 230000002265 prevention Effects 0.000 title claims description 8
- 230000000694 effects Effects 0.000 description 9
- 230000001902 propagating effect Effects 0.000 description 7
- 230000009467 reduction Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000003137 locomotive effect Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000006748 scratching Methods 0.000 description 2
- 230000002393 scratching effect Effects 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Landscapes
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990122083U JPH0742163Y2 (ja) | 1990-11-20 | 1990-11-20 | 列車屋上機器の騒音防止構造 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990122083U JPH0742163Y2 (ja) | 1990-11-20 | 1990-11-20 | 列車屋上機器の騒音防止構造 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0480203U JPH0480203U (enrdf_load_stackoverflow) | 1992-07-13 |
| JPH0742163Y2 true JPH0742163Y2 (ja) | 1995-09-27 |
Family
ID=31869887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990122083U Expired - Lifetime JPH0742163Y2 (ja) | 1990-11-20 | 1990-11-20 | 列車屋上機器の騒音防止構造 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0742163Y2 (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2777030B2 (ja) * | 1992-11-09 | 1998-07-16 | 株式会社日立製作所 | 遮音装置 |
| JP4613815B2 (ja) * | 2005-12-27 | 2011-01-19 | 株式会社日立製作所 | 鉄道車両の遮音壁 |
| JP6185219B2 (ja) * | 2011-05-31 | 2017-08-23 | 株式会社日立製作所 | 移動車両用遮音装置 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03155302A (ja) * | 1989-11-13 | 1991-07-03 | Hitachi Ltd | パンタグラフのしゃ音装置 |
| JP2675185B2 (ja) * | 1990-09-25 | 1997-11-12 | 株式会社日立製作所 | 集電装置の遮音装置および車両 |
-
1990
- 1990-11-20 JP JP1990122083U patent/JPH0742163Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0480203U (enrdf_load_stackoverflow) | 1992-07-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |