JPS63119812U - - Google Patents

Info

Publication number
JPS63119812U
JPS63119812U JP1171887U JP1171887U JPS63119812U JP S63119812 U JPS63119812 U JP S63119812U JP 1171887 U JP1171887 U JP 1171887U JP 1171887 U JP1171887 U JP 1171887U JP S63119812 U JPS63119812 U JP S63119812U
Authority
JP
Japan
Prior art keywords
blow
passage
gas
cylinder head
throttle 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.)
Granted
Application number
JP1171887U
Other languages
Japanese (ja)
Other versions
JPH0629457Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1987011718U priority Critical patent/JPH0629457Y2/en
Publication of JPS63119812U publication Critical patent/JPS63119812U/ja
Application granted granted Critical
Publication of JPH0629457Y2 publication Critical patent/JPH0629457Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はこの考案に係る内燃機関のブローバイ
ガス還元装置の一実施例を示す断面図、第２図及
び第３図は夫々この考案の異なる実施例を示す要
部のみの断面図、第４図はこの考案の更に異なる
実施例を示す断面図、第５図は従来におけるブロ
ーバイガス還元装置の構成を示す断面図、第６図
はブローバイガスコントロールバルブの断面図で
ある。 １……内燃機関本体、５……クランクケース、
７……第１シリンダヘツド、８……第２シリンダ
ヘツド、１６……絞弁、１９……第１ブローバイ
ガス通路、２０……第２ブローバイガス通路、２
１……第１掃気通路、２２……ブローバイガス還
流通路、２３……ブローバイガスコントロールバ
ルブ、３１……第２掃気通路。 FIG. 1 is a sectional view showing one embodiment of a blow-by gas reduction device for an internal combustion engine according to this invention, FIGS. 2 and 3 are sectional views of only essential parts showing different embodiments of this invention, and FIG. The figure is a sectional view showing a further different embodiment of this invention, FIG. 5 is a sectional view showing the structure of a conventional blow-by gas reducing device, and FIG. 6 is a sectional view of a blow-by gas control valve. 1... Internal combustion engine body, 5... Crank case,
7... First cylinder head, 8... Second cylinder head, 16... Throttle valve, 19... First blow-by gas passage, 20... Second blow-by gas passage, 2
1... First scavenging passage, 22... Blowby gas recirculation passage, 23... Blowby gas control valve, 31... Second scavenging passage.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 第１シリンダ群のシリンダヘツド内部とクラン
クケースとを第１ブローバイガス通路によつて、
第２シリンダ群のシリンダヘツド内部とクランク
ケースとを第２ブローバイガス通路によつて夫々
連通させるとともに、吸気通路の絞弁上流側と第
１シリンダ群のシリンダヘツド内部とを第１掃気
通路によつて連通させ、かつ吸気通路の絞弁下流
側と第２シリンダ群のシリンダヘツド内部をブロ
ーバイガス還流通路によつて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、上記第
２シリンダ群のシリンダヘツド内部と吸気通路の
絞弁上流とを第２掃気通路によつて連通させたこ
とを特徴とする内燃機関のブローバイガス還元装
置。 A first blow-by gas passage connects the inside of the cylinder head of the first cylinder group and the crankcase,
The inside of the cylinder head of the second cylinder group and the crankcase are communicated with each other through a second blow-by gas passage, and the upstream side of the throttle valve of the intake passage and the inside of the cylinder head of the first cylinder group are connected through a first scavenging passage. In the blow-by gas return device for an internal combustion engine, the blow-by gas recirculation passage is configured to communicate the downstream side of the throttle valve of the intake passage with the inside of the cylinder head of the second cylinder group through a blow-by gas recirculation passage. A blow-by gas reduction device for an internal combustion engine, characterized in that the interior and an upstream side of a throttle valve in an intake passage are communicated through a second scavenging passage.
JP1987011718U 1987-01-29 1987-01-29 Blow-by gas reduction device for internal combustion engine Expired - Lifetime JPH0629457Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987011718U JPH0629457Y2 (en) 1987-01-29 1987-01-29 Blow-by gas reduction device for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987011718U JPH0629457Y2 (en) 1987-01-29 1987-01-29 Blow-by gas reduction device for internal combustion engine

Publications (2)

Publication Number Publication Date
JPS63119812U true JPS63119812U (en) 1988-08-03
JPH0629457Y2 JPH0629457Y2 (en) 1994-08-10

Family

ID=30799186

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987011718U Expired - Lifetime JPH0629457Y2 (en) 1987-01-29 1987-01-29 Blow-by gas reduction device for internal combustion engine

Country Status (1)

Country Link
JP (1) JPH0629457Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0256807U (en) * 1988-10-18 1990-04-24
EP2905438A4 (en) * 2012-10-02 2015-09-30 Nissan Motor Device for processing blow-by from v-type internal combustion engines

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3924588A (en) * 1974-01-18 1975-12-09 Lowell T Hager Positive crankcase ventilation system
JPS55144836U (en) * 1979-04-04 1980-10-17
JPS58178404U (en) * 1982-05-25 1983-11-29 日産自動車株式会社 Engine blow pie treatment device
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
JPS6073818U (en) * 1983-10-28 1985-05-24 マツダ株式会社 Engine blow-by gas reduction device
JPS61152714U (en) * 1985-03-15 1986-09-20

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3924588A (en) * 1974-01-18 1975-12-09 Lowell T Hager Positive crankcase ventilation system
JPS55144836U (en) * 1979-04-04 1980-10-17
JPS58178404U (en) * 1982-05-25 1983-11-29 日産自動車株式会社 Engine blow pie treatment device
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
JPS6073818U (en) * 1983-10-28 1985-05-24 マツダ株式会社 Engine blow-by gas reduction device
JPS61152714U (en) * 1985-03-15 1986-09-20

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0256807U (en) * 1988-10-18 1990-04-24
EP2905438A4 (en) * 2012-10-02 2015-09-30 Nissan Motor Device for processing blow-by 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

Also Published As

Publication number Publication date
JPH0629457Y2 (en) 1994-08-10

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