JPS59157563U - Diesel engine blow-by gas recirculation device - Google Patents
Diesel engine blow-by gas recirculation deviceInfo
- Publication number
- JPS59157563U JPS59157563U JP3087983U JP3087983U JPS59157563U JP S59157563 U JPS59157563 U JP S59157563U JP 3087983 U JP3087983 U JP 3087983U JP 3087983 U JP3087983 U JP 3087983U JP S59157563 U JPS59157563 U JP S59157563U
- Authority
- JP
- Japan
- Prior art keywords
- gas recirculation
- diesel engine
- blow
- differential pressure
- recirculation device
- 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
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図は本考案の１実施例を示す側断面図、第２図はク
ランクケース内圧力およびシリンダヘッドカバー内圧力
とエンジン回転数との関係をオイルパン内オイル量毎に
示すグラフである。
１・・・ディーゼルエンジン、９・・・クランクケース
、１５・・・吸気管、１６・・・シリンダヘッドカバー
、１７・・・シリンダヘッドカバー内空間、２１．２２
・・・ブローバイガス通路、２４・・・ブローバイガス
還流制御弁、２５・・・ブローバイガス還流管、２６゜
２７・・・圧力センサ、２８・・・制御回路。FIG. 1 is a side sectional view showing one embodiment of the present invention, and FIG. 2 is a graph showing the relationship between crankcase internal pressure, cylinder head cover internal pressure, and engine speed for each oil amount in the oil pan. DESCRIPTION OF SYMBOLS 1... Diesel engine, 9... Crank case, 15... Intake pipe, 16... Cylinder head cover, 17... Cylinder head cover interior space, 21.22
Blowby gas passage, 24 Blowby gas recirculation control valve, 25 Blowby gas recirculation pipe, 26°27 Pressure sensor, 28 Control circuit.
Claims (2)
ンダヘッドカバー内空間を含むブローバイガス還流通路
により連通してブローバイガスを吸気通路に還流するよ
うにしたディーゼルエンジンのブローバイガス還流装置
において、クランクケース内圧力とシリンダヘッドカバ
ー内圧力との差圧を検出する差圧検出装置と、該差圧検
出装置の出力を受け、クランクケース内圧力がシリンダ
ヘッドカバー内圧力より所定値以上上昇した時に作動す
るエンジンの燃焼抑制装置とを設けたことを特徴とする
ディーゼルエンジンのブローバイガス還流装置。(1) In a blowby gas recirculation system for a diesel engine, in which the engine crankcase and the intake passage are connected through a blowby gas recirculation passage including a space inside the cylinder head cover, blowby gas is recirculated to the intake passage. A differential pressure detection device that detects the differential pressure between the pressure and the pressure inside the cylinder head cover, and a combustion engine that operates when the crankcase internal pressure rises by a predetermined value or more based on the output of the differential pressure detection device. A blow-by gas recirculation device for a diesel engine, characterized in that it is equipped with a suppressor.
閉じるプローバイガス還流Ｓｔｔ御弁で構成したことを
特徴とする実用新案登録請求の範囲第１項記載のディー
ゼルエンジンのブローバイガス還流装置。(2) The blow-by gas recirculation device for a diesel engine according to claim 1, wherein the combustion suppressing device is constituted by a prove-by gas recirculation Stt control valve that closes a blow-by gas recirculation passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3087983U JPS59157563U (en) | 1983-03-03 | 1983-03-03 | Diesel engine blow-by gas recirculation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3087983U JPS59157563U (en) | 1983-03-03 | 1983-03-03 | Diesel engine blow-by gas recirculation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59157563U true JPS59157563U (en) | 1984-10-23 |
Family
ID=30161752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3087983U Pending JPS59157563U (en) | 1983-03-03 | 1983-03-03 | Diesel engine blow-by gas recirculation device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59157563U (en) |
-
1983
- 1983-03-03 JP JP3087983U patent/JPS59157563U/en active Pending
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