JPS62150514U - - Google Patents
Info
- Publication number
- JPS62150514U JPS62150514U JP3827486U JP3827486U JPS62150514U JP S62150514 U JPS62150514 U JP S62150514U JP 3827486 U JP3827486 U JP 3827486U JP 3827486 U JP3827486 U JP 3827486U JP S62150514 U JPS62150514 U JP S62150514U
- Authority
- JP
- Japan
- Prior art keywords
- blow
- gas
- intake
- passage
- control valve
- 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
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Supercharger (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Description
第１図は本考案に係るブローバイガスの還元装
置の第１実施例の全体構成を示す正面図、第２図
は同上の側面図、第３図は吸気絞り弁下流の吸気
通路内の圧力とブローバイガスの発生量の関係及
び制御弁の流量特性を示す線図、第４図は本考案
に係るブローバイガスの還元装置の第２実施例の
全体構成を示す正面図、第５図は従来のブローバ
イガスの還元装置を示す正面図、第６図は同上の
側面図を示す。
１…ターボチヤージヤ、２…エンジン、６…制
御弁、７…吸気絞り弁、８…吸気通路、１１…タ
ーボチヤージヤのコンプレツキーの上流側吸気通
路、１３…開閉弁、１５…一方向開閉弁、…第
一のブローバイガス通路、…第二のブローバイ
ガス通路。
Fig. 1 is a front view showing the overall configuration of the first embodiment of the blow-by gas reduction device according to the present invention, Fig. 2 is a side view of the same, and Fig. 3 shows the pressure in the intake passage downstream of the intake throttle valve. A diagram showing the relationship between the amount of blow-by gas generated and the flow rate characteristics of the control valve, FIG. 4 is a front view showing the overall configuration of the second embodiment of the blow-by gas reducing device according to the present invention, and FIG. FIG. 6 is a front view showing the blow-by gas reducing device, and FIG. 6 is a side view of the same. DESCRIPTION OF SYMBOLS 1...turbocharger, 2...engine, 6...control valve, 7...intake throttle valve, 8...intake passage, 11...intake passage upstream of compressor key of turbocharger, 13...on-off valve, 15...one-way on-off valve,...th The first blow-by gas passage, ...the second blow-by gas passage.
Claims (1)
生するブローバイガスを吸い出し、吸入空気に合
流させて再燃焼させるブローバイガス還元装置に
おいて、 前記エンジンの内部空間と吸気絞り弁下流側の
吸気通路とを前記エンジン内部空間の圧力と前記
吸気絞り弁下流側吸気通路内の圧力との差圧を利
用して開かれる制御弁を介し連通接続した第１の
ブローバイガス通路と、 前記第１のブローバイガス通路の前記制御弁の
上流側と前記ターボチヤージヤのコンプレツサー
の上流側吸気通路とを連通接続した第２のブロー
バイガス通路と、 を備えるとともに、 少なくとも前記制御弁が開状態である時には、
閉状態を維持する開閉弁を前記第２のブローバイ
ガス通路に介装したことを特徴とするブローバイ
ガスの還元装置。[Scope of Claim for Utility Model Registration] A blowby gas reduction device that sucks out blowby gas generated inside an engine equipped with a turbocharger, merges it with intake air, and re-burns it, the internal space of the engine and the downstream side of the intake throttle valve. a first blow-by gas passage connected to the intake passage through a control valve that is opened using a pressure difference between the pressure in the internal space of the engine and the pressure in the intake passage downstream of the intake throttle valve; a second blow-by gas passage that communicates and connects the blow-by gas passage upstream of the control valve and the upstream intake passage of the compressor of the turbocharger, and at least when the control valve is in an open state,
A blow-by gas reducing device characterized in that an on-off valve that maintains a closed state is interposed in the second blow-by gas passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3827486U JPS62150514U (en) | 1986-03-18 | 1986-03-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3827486U JPS62150514U (en) | 1986-03-18 | 1986-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62150514U true JPS62150514U (en) | 1987-09-24 |
Family
ID=30850363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3827486U Pending JPS62150514U (en) | 1986-03-18 | 1986-03-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62150514U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0242168A (en) * | 1988-07-30 | 1990-02-13 | Mazda Motor Corp | Intake structure for engine with supercharger |
| DE102008046528A1 (en) | 2007-10-05 | 2009-04-09 | AISAN KOGYO K.K., Obu-shi | Device for recirculating blow-by gas of an engine |
| JP2009103117A (en) * | 2007-10-05 | 2009-05-14 | Aisan Ind Co Ltd | Engine blow-by gas returning apparatus |
-
1986
- 1986-03-18 JP JP3827486U patent/JPS62150514U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0242168A (en) * | 1988-07-30 | 1990-02-13 | Mazda Motor Corp | Intake structure for engine with supercharger |
| DE102008046528A1 (en) | 2007-10-05 | 2009-04-09 | AISAN KOGYO K.K., Obu-shi | Device for recirculating blow-by gas of an engine |
| JP2009103117A (en) * | 2007-10-05 | 2009-05-14 | Aisan Ind Co Ltd | Engine blow-by gas returning apparatus |
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