JPS59174968U - Engine noise reduction device - Google Patents
Engine noise reduction deviceInfo
- Publication number
- JPS59174968U JPS59174968U JP6857483U JP6857483U JPS59174968U JP S59174968 U JPS59174968 U JP S59174968U JP 6857483 U JP6857483 U JP 6857483U JP 6857483 U JP6857483 U JP 6857483U JP S59174968 U JPS59174968 U JP S59174968U
- Authority
- JP
- Japan
- Prior art keywords
- noise reduction
- reduction device
- sound
- engine noise
- engine
- 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
Landscapes
- Superstructure Of Vehicle (AREA)
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図は従来のエンジン騒音低減装置を示す図で、ａは
側断面図、ｂは鳥かん図、第２図は本考案の一実施例を
示す斜視図、第３図はその取付状 ′態を示す切
断正面図、第４図は騒音低減効果や示すグラフ、第５図
は本考案の他の実施例を示す斜 、親図、第６図はさ
らに他の実施例を示す要部断面図である。
、１ニエンジンルーム、２：フード吸音材、３：エンジ
ンフード、７：エンジン、８：吸音構造体、９：遮音板
、１０：吸音材。Fig. 1 is a diagram showing a conventional engine noise reduction device, in which a is a side sectional view, b is a bird's eye view, Fig. 2 is a perspective view showing an embodiment of the present invention, and Fig. 3 is its installed state. 4 is a graph showing the noise reduction effect, FIG. 5 is a perspective view showing another embodiment of the present invention, and FIG. 6 is a cross-sectional view of main parts showing another embodiment. It is. , 1 engine room, 2: hood sound absorbing material, 3: engine hood, 7: engine, 8: sound absorbing structure, 9: sound insulating board, 10: sound absorbing material.
Claims (1)
構造体を、エンジン上部の少なくとも左右側面に近接し
て対向するように、エンジンフードの裏側に装着される
ツー１’吸音材と一体化して構成したことを特徴とする
エンジン騒音低減装置。A sound-absorbing structure with a sound-insulating plate as a frame and its surface covered with a sound-absorbing material is integrated with a 2-1' sound-absorbing material attached to the back side of the engine hood so as to face at least the right and left sides of the upper part of the engine in close proximity to each other. An engine noise reduction device characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6857483U JPS59174968U (en) | 1983-05-10 | 1983-05-10 | Engine noise reduction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6857483U JPS59174968U (en) | 1983-05-10 | 1983-05-10 | Engine noise reduction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59174968U true JPS59174968U (en) | 1984-11-22 |
Family
ID=30198746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6857483U Pending JPS59174968U (en) | 1983-05-10 | 1983-05-10 | Engine noise reduction device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59174968U (en) |
-
1983
- 1983-05-10 JP JP6857483U patent/JPS59174968U/en active Pending
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