JPH0449617U - - Google Patents
Info
- Publication number
- JPH0449617U JPH0449617U JP1990091130U JP9113090U JPH0449617U JP H0449617 U JPH0449617 U JP H0449617U JP 1990091130 U JP1990091130 U JP 1990091130U JP 9113090 U JP9113090 U JP 9113090U JP H0449617 U JPH0449617 U JP H0449617U
- Authority
- JP
- Japan
- Prior art keywords
- passage
- exhaust
- engine
- blow
- gas
- 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
- 238000010438 heat treatment Methods 0.000 claims description 7
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Description
第１図及び第２図は本考案の実施例を示し、第
１図は縦型頭上弁ガスエンジンの縦断面図、第２
図は同エンジンの要部側面図、第３図は従来技術
を示す第１図相当図である。
Ｅ……エンジン、１……ブリーザ装置、２……
ブローバイガス還元路、３……２の出口、４……
Ｅの吸気管、５……クランク室、６……排気路、
７……加温用排気流通路、８……４と３との接続
部位の周囲、１２……開閉弁１２。
1 and 2 show an embodiment of the present invention; FIG. 1 is a vertical sectional view of a vertical overhead valve gas engine;
The figure is a side view of essential parts of the same engine, and FIG. 3 is a view equivalent to FIG. 1 showing the prior art. E... Engine, 1... Breather device, 2...
Blow-by gas return path, 3...Exit of 2, 4...
E intake pipe, 5...crank chamber, 6...exhaust passage,
7... Exhaust flow path for heating, 8... Surroundings of the connection site between 4 and 3, 12... Opening/closing valve 12.
Claims (1)
装置１からブローバイガス還元路２を導出し、ブ
ローバイガス還元路２の出口３をエンジンＥの吸
気管４に接続し、エンジンＥのクランク室５をブ
リーザ装置１及びブローバイガス還元路２を介し
て吸気路４に連通したエンジンのブローバイガス
還元装置において、 エンジンＥの排気路６に加温用排気流通路７を
並列状に配置し、加温用排気流通路７を上記吸気
路４とブローバイガス還元路２の出口３との接続
部位の周囲８に外嵌状に迂回させ、排気路６と加
温用排気流通路７との少なくとも一方に開閉弁１
２を設け、 低温時には、開閉弁１２が加温用排気流通路７
に対して開弁作動して、排気路６から加温用排気
流通路７を迂回して吸気路４に排気を流し、 高温時には、開閉弁１２が加温用排気流通路７
に対して閉弁作動して、加温用排気流通路７を迂
回することなく排気路７に短絡的に排気を流すよ
うに構成したことを特徴とするエンジンのブロー
バイガス還元装置。[Claims for Utility Model Registration] A breather device 1 is provided in the engine E, a blow-by gas return path 2 is led out from the breather device 1, and an outlet 3 of the blow-by gas return path 2 is connected to the intake pipe 4 of the engine E. In the engine blow-by gas reduction device in which the crank chamber 5 of the engine E is communicated with the intake passage 4 via the breather device 1 and the blow-by gas return passage 2, a heating exhaust flow passage 7 is arranged in parallel with the exhaust passage 6 of the engine E. The heating exhaust flow passage 7 is detoured around the connecting portion 8 of the intake passage 4 and the outlet 3 of the blow-by gas return passage 2 in an externally fitted manner, and the exhaust passage 6 and the heating exhaust flow passage 7 are On-off valve 1 on at least one side of
2 is provided, and when the temperature is low, the on-off valve 12 is connected to the heating exhaust flow path 7.
When the temperature is high, the opening/closing valve 12 opens the exhaust passage 6 and bypasses the heating exhaust passage 7 to flow the exhaust into the intake passage 4.
A blow-by gas reduction device for an engine, characterized in that the valve is closed to flow the exhaust gas in a short-circuit manner to the exhaust passage 7 without bypassing the heating exhaust passage 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990091130U JPH0449617U (en) | 1990-08-29 | 1990-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990091130U JPH0449617U (en) | 1990-08-29 | 1990-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0449617U true JPH0449617U (en) | 1992-04-27 |
Family
ID=31826464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990091130U Pending JPH0449617U (en) | 1990-08-29 | 1990-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0449617U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS526844A (en) * | 1975-07-08 | 1977-01-19 | Toyota Motor Corp | Crank case ventilation ststem |
| JPH0267414A (en) * | 1988-07-21 | 1990-03-07 | Dr Ing H C F Porsche Ag | Crankcase exhauster |
-
1990
- 1990-08-29 JP JP1990091130U patent/JPH0449617U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS526844A (en) * | 1975-07-08 | 1977-01-19 | Toyota Motor Corp | Crank case ventilation ststem |
| JPH0267414A (en) * | 1988-07-21 | 1990-03-07 | Dr Ing H C F Porsche Ag | Crankcase exhauster |
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