JPS63193713U - - Google Patents
Info
- Publication number
- JPS63193713U JPS63193713U JP8556687U JP8556687U JPS63193713U JP S63193713 U JPS63193713 U JP S63193713U JP 8556687 U JP8556687 U JP 8556687U JP 8556687 U JP8556687 U JP 8556687U JP S63193713 U JPS63193713 U JP S63193713U
- Authority
- JP
- Japan
- Prior art keywords
- crank chamber
- check valve
- valve
- blow
- gas passage
- 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
- 230000002265 prevention Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本考案の騒音防止装置の実施例を示す
図、第２図は本考案のピストンにかかる荷重とピ
ストンピンの状態を示す図、第３図は上記従来例
を示す図である。
１２……クランク室、１３……逆止弁、１４…
…ブローバイガス通路、１５……開閉弁。
FIG. 1 is a diagram showing an embodiment of the noise prevention device of the present invention, FIG. 2 is a diagram showing the load applied to the piston of the present invention and the state of the piston pin, and FIG. 3 is a diagram showing the above-mentioned conventional example. 12...Crank chamber, 13...Check valve, 14...
...Blow-by gas passage, 15...Opening/closing valve.
Claims (1)
を有するブローバイガス通路で連通し、 上記逆止弁にはアイドリング時にのみ閉じる開
閉弁を並設して、アイドリング時にクランク室内
部を負圧化することを特徴とするエンジンの騒音
防止装置。[Scope of claim for utility model registration] The crank chamber of the engine body and the intake side are communicated through a blow-by gas passage having a check valve, and the check valve is provided with an on-off valve that closes only when idling. An engine noise prevention device characterized by creating negative pressure inside the crank chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8556687U JPS63193713U (en) | 1987-05-30 | 1987-05-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8556687U JPS63193713U (en) | 1987-05-30 | 1987-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63193713U true JPS63193713U (en) | 1988-12-13 |
Family
ID=30941090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8556687U Pending JPS63193713U (en) | 1987-05-30 | 1987-05-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63193713U (en) |
-
1987
- 1987-05-30 JP JP8556687U patent/JPS63193713U/ja active Pending
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