JPH0290335U - - Google Patents
Info
- Publication number
- JPH0290335U JPH0290335U JP17039688U JP17039688U JPH0290335U JP H0290335 U JPH0290335 U JP H0290335U JP 17039688 U JP17039688 U JP 17039688U JP 17039688 U JP17039688 U JP 17039688U JP H0290335 U JPH0290335 U JP H0290335U
- Authority
- JP
- Japan
- Prior art keywords
- engine
- floorboards
- soundproof
- soundproof case
- view
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 description 2
Description
第１図は、防音ケースを縦断して示すエンジン
発電機の正面図、第２図は、第１図と直角な方向
で縦断して示すエンジン発電機の側面図、第３図
は、この考案の防音ケースを一部切欠して示す斜
視図、第４図は、床板部分を縦断して示す防音ケ
ースの要部縦断面図、第５図は、床板間の隙間の
大きさと騒音量及び透過損失との関係を示すグラ
フ、第６図は、防音ケースを縦断して示す従来の
エンジン発電機の正面図、第７図は、同じく従来
型防音ケースの一部切欠斜視図である。
１……エンジン、３……防音ケース、７，１０
……床板、９，１１……透過孔、１２……空間。
Fig. 1 is a front view of the engine generator taken longitudinally through the soundproof case, Fig. 2 is a side view of the engine generator taken perpendicular to Fig. 1, and Fig. 3 is a side view of the engine generator taken longitudinally through the soundproof case. Fig. 4 is a longitudinal cross-sectional view of the main part of the soundproof case showing the floorboard section vertically, and Fig. 5 shows the size of the gap between the floorboards, the amount of noise, and the transmission. FIG. 6 is a graph showing the relationship with loss, FIG. 6 is a front view of a conventional engine generator showing a longitudinal section of the soundproof case, and FIG. 7 is a partially cutaway perspective view of the conventional soundproof case. 1...Engine, 3...Soundproof case, 7,10
... Floor plate, 9, 11 ... Transmission hole, 12 ... Space.
Claims (1)
音構造において、そのエンジンの下方を覆う床板
を二重構造とすることによりその床板間に空間を
設けて、これら床板に形成した透過孔を通る空気
に抵抗を与えたことを特徴とするエンジンの防音
装置。 In an engine soundproof structure in which the entire engine is covered with a soundproof case, the floorboards covering the bottom of the engine have a double structure, creating a space between the floorboards to create resistance to air passing through the permeable holes formed in these floorboards. Engine soundproofing device, characterized by the following:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988170396U JPH0627809Y2 (en) | 1988-12-28 | 1988-12-28 | Engine soundproofing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988170396U JPH0627809Y2 (en) | 1988-12-28 | 1988-12-28 | Engine soundproofing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0290335U true JPH0290335U (en) | 1990-07-18 |
| JPH0627809Y2 JPH0627809Y2 (en) | 1994-07-27 |
Family
ID=31461300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988170396U Expired - Lifetime JPH0627809Y2 (en) | 1988-12-28 | 1988-12-28 | Engine soundproofing equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0627809Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020194406A1 (en) * | 2019-03-22 | 2020-10-01 | 本田技研工業株式会社 | Work machine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62108521U (en) * | 1985-12-26 | 1987-07-10 |
-
1988
- 1988-12-28 JP JP1988170396U patent/JPH0627809Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62108521U (en) * | 1985-12-26 | 1987-07-10 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020194406A1 (en) * | 2019-03-22 | 2020-10-01 | 本田技研工業株式会社 | Work machine |
| CN113646516A (en) * | 2019-03-22 | 2021-11-12 | 本田技研工业株式会社 | Working machine |
| JPWO2020194406A1 (en) * | 2019-03-22 | 2021-12-02 | 本田技研工業株式会社 | Working machine |
| CN113646516B (en) * | 2019-03-22 | 2023-10-13 | 本田技研工业株式会社 | Working machine |
| US11939909B2 (en) | 2019-03-22 | 2024-03-26 | Honda Motor Co., Ltd. | Work machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0627809Y2 (en) | 1994-07-27 |