JPS63193712U - - Google Patents
Info
- Publication number
- JPS63193712U JPS63193712U JP8573187U JP8573187U JPS63193712U JP S63193712 U JPS63193712 U JP S63193712U JP 8573187 U JP8573187 U JP 8573187U JP 8573187 U JP8573187 U JP 8573187U JP S63193712 U JPS63193712 U JP S63193712U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- head cover
- blow
- cylinder head
- cylinder groups
- 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.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010992 reflux Methods 0.000 description 2
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Description
第１図はこの考案の第１の実施例のブローバイ
ガス還元装置を備えたＶ型内燃機関の断面図、第
２図は第２の実施例の同断面図、第３図及び第４
図は共に従来のブローバイガス還元装置を備えた
Ｖ型内燃機関の断面図である。
１……第１のシリンダ群、３……第２のシリン
ダ群、７……第１の吸気弁用カムカバー（シリン
ダヘツドカバー）、９……第１の排気弁用カムカ
バー（シリンダヘツドカバー）、２１……第２の
吸気弁用カムカバー（シリンダヘツドカバー）、
２３……第２の排気弁用カムカバー（シリンダヘ
ツドカバー）、３５……絞り弁、３９……吸気通
路、４１……第１の新気導入管（新気導入通路）
、４３……第２の新気導入管（新気導入通路）、
４７……ブローバイガス還流管（ブローバイガス
還流通路）。
FIG. 1 is a cross-sectional view of a V-type internal combustion engine equipped with a blow-by gas reduction device according to the first embodiment of this invention, FIG. 2 is a cross-sectional view of the second embodiment, and FIGS.
Both figures are cross-sectional views of a V-type internal combustion engine equipped with a conventional blow-by gas reduction device. DESCRIPTION OF SYMBOLS 1...First cylinder group, 3...Second cylinder group, 7...First intake valve cam cover (cylinder head cover), 9...First exhaust valve cam cover (cylinder head cover), 21...Second intake valve cam cover (cylinder head cover),
23... Second exhaust valve cam cover (cylinder head cover), 35... Throttle valve, 39... Intake passage, 41... First fresh air introduction pipe (fresh air introduction passage)
, 43... second fresh air introduction pipe (fresh air introduction passage),
47...Blowby gas reflux pipe (blowby gas reflux passage).
Claims (1)
群上部に設けられるシリンダヘツドカバー内部と
クランク室とを連通させてなる内燃機関のブロー
バイガス還元装置において、前記２つのシリンダ
群の各シリンダヘツドカバー内部と絞り弁上流の
吸気通路とを連通する新気導入通路を２つのシリ
ンダ群各別に設けると共に、前記２つのシリンダ
群の各シリンダヘツドカバー内部のどちらか一方
と絞り弁下流の吸気通路とを連通するブローバイ
ガス還流通路を設けたことを特徴とする内燃機関
のブローバイガス還元装置。 In a blow-by gas reduction device for an internal combustion engine that has two cylinder groups and communicates the inside of a cylinder head cover provided at the top of each cylinder group with the crank chamber, the inside of each cylinder head cover of the two cylinder groups and A fresh air introduction passage communicating with the intake passage upstream of the throttle valve is provided for each of the two cylinder groups, and one of the insides of each cylinder head cover of the two cylinder groups is communicated with the intake passage downstream of the throttle valve. A blow-by gas reduction device for an internal combustion engine, characterized in that a blow-by gas recirculation passage is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987085731U JPH0629458Y2 (en) | 1987-06-03 | 1987-06-03 | Blow-by gas reduction device for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987085731U JPH0629458Y2 (en) | 1987-06-03 | 1987-06-03 | Blow-by gas reduction device for internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63193712U true JPS63193712U (en) | 1988-12-13 |
| JPH0629458Y2 JPH0629458Y2 (en) | 1994-08-10 |
Family
ID=30941402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987085731U Expired - Lifetime JPH0629458Y2 (en) | 1987-06-03 | 1987-06-03 | Blow-by gas reduction device for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0629458Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104685173A (en) * | 2012-10-02 | 2015-06-03 | 日产自动车株式会社 | Device for processing blow-by from V-type internal combustion engines |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59107012U (en) * | 1983-01-05 | 1984-07-19 | 日産自動車株式会社 | Blow-by gas reduction device for internal combustion engine |
| JPS61152714U (en) * | 1985-03-15 | 1986-09-20 |
-
1987
- 1987-06-03 JP JP1987085731U patent/JPH0629458Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59107012U (en) * | 1983-01-05 | 1984-07-19 | 日産自動車株式会社 | Blow-by gas reduction device for internal combustion engine |
| JPS61152714U (en) * | 1985-03-15 | 1986-09-20 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104685173A (en) * | 2012-10-02 | 2015-06-03 | 日产自动车株式会社 | Device for processing blow-by from V-type internal combustion engines |
| EP2905438A4 (en) * | 2012-10-02 | 2015-09-30 | Nissan Motor | DEVICE FOR TREATING GAS LEAKAGE FROM V-TYPE INTERNAL COMBUSTION ENGINES |
| US9243529B2 (en) | 2012-10-02 | 2016-01-26 | Nissan Motor Co., Ltd. | Device for processing blow-by from V-type internal combustion engines |
| CN104685173B (en) * | 2012-10-02 | 2016-11-16 | 日产自动车株式会社 | The blow-by gas processing device of V-type internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0629458Y2 (en) | 1994-08-10 |
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