JPS63160308U - - Google Patents
Info
- Publication number
- JPS63160308U JPS63160308U JP5350787U JP5350787U JPS63160308U JP S63160308 U JPS63160308 U JP S63160308U JP 5350787 U JP5350787 U JP 5350787U JP 5350787 U JP5350787 U JP 5350787U JP S63160308 U JPS63160308 U JP S63160308U
- Authority
- JP
- Japan
- Prior art keywords
- engine
- exhaust gas
- casing
- internal combustion
- air layer
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Description
第１図は本考案の一実施例を示す構成図、第２
図及び第３図は同上の作用を説明するための図、
第４図は内燃機関のロツカカバー装置の従来例を
示す構成図である。
１……ケーシング、２１……隔離板、２２……
空気層、２４……排気導入通路、２６……負圧応
動型開閉弁、２７……負圧通路、２８……バイメ
タル式開閉弁。
Fig. 1 is a configuration diagram showing one embodiment of the present invention;
Figures 3 and 3 are diagrams for explaining the effects of the above,
FIG. 4 is a configuration diagram showing a conventional example of a rocker cover device for an internal combustion engine. 1... Casing, 21... Separation plate, 22...
Air layer, 24... Exhaust introduction passage, 26... Negative pressure response type on-off valve, 27... Negative pressure passage, 28... Bimetal type on-off valve.
Claims (1)
グにより捕集した後、機関の吸気通路に戻すよう
にした内燃機関のロツカカバー装置において、前
記ケーシングの少なくとも一部を二重構造にして
空気層を形成すると共に、該空気層に排気を導く
排気導入通路と、該排気導入通路を機関の低負荷
運転時でかつ低温時に開路する開閉弁装置と、を
備えたことを特徴とする内燃機関のロツカカバー
装置。 In a rocker cover device for an internal combustion engine in which blow-by gas discharged from the engine is collected by a casing and then returned to the intake passage of the engine, at least a part of the casing is formed into a double structure to form an air layer, and 1. A rocker cover device for an internal combustion engine, comprising: an exhaust gas introduction passage that guides exhaust gas into the air layer; and an on-off valve device that opens the exhaust gas introduction passage when the engine is operating at low load and at low temperatures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5350787U JPS63160308U (en) | 1987-04-10 | 1987-04-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5350787U JPS63160308U (en) | 1987-04-10 | 1987-04-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63160308U true JPS63160308U (en) | 1988-10-20 |
Family
ID=30879636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5350787U Pending JPS63160308U (en) | 1987-04-10 | 1987-04-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63160308U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007016776A (en) * | 2005-06-06 | 2007-01-25 | Toyota Motor Corp | Internal combustion engine |
| JP2008019794A (en) * | 2006-07-13 | 2008-01-31 | Toyota Motor Corp | Blow-by gas recovery structure of internal combustion engine, chain cover unit used in same blow-by gas recovery structure |
| WO2008056831A1 (en) * | 2006-11-09 | 2008-05-15 | Toyota Jidosha Kabushiki Kaisha | Sludge adhesion suppressing structure for internal combustion engine |
-
1987
- 1987-04-10 JP JP5350787U patent/JPS63160308U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007016776A (en) * | 2005-06-06 | 2007-01-25 | Toyota Motor Corp | Internal combustion engine |
| JP2008019794A (en) * | 2006-07-13 | 2008-01-31 | Toyota Motor Corp | Blow-by gas recovery structure of internal combustion engine, chain cover unit used in same blow-by gas recovery structure |
| WO2008056831A1 (en) * | 2006-11-09 | 2008-05-15 | Toyota Jidosha Kabushiki Kaisha | Sludge adhesion suppressing structure for internal combustion engine |
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