JPH0454915U - - Google Patents

Info

Publication number
JPH0454915U
JPH0454915U JP9799590U JP9799590U JPH0454915U JP H0454915 U JPH0454915 U JP H0454915U JP 9799590 U JP9799590 U JP 9799590U JP 9799590 U JP9799590 U JP 9799590U JP H0454915 U JPH0454915 U JP H0454915U
Authority
JP
Japan
Prior art keywords
blow
gas
dead center
cylinder block
top dead
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
JP9799590U
Other languages
Japanese (ja)
Other versions
JP2519572Y2 (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 JP1990097995U priority Critical patent/JP2519572Y2/en
Publication of JPH0454915U publication Critical patent/JPH0454915U/ja
Application granted granted Critical
Publication of JP2519572Y2 publication Critical patent/JP2519572Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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図は本考案実施例によるブローバイガス還
流装置の要部構造を示す断面図、第２図は第１図
中、符号で示す方向の矢視図、第３図は第１図
に示した構造と従来構造とのオイル消費量に関す
る比較結果を説明するための線図、第４図はブロ
ーバイガス還流装置の従来構造の一例を示す模式
図、第５図は第４図に示した構造の変形例を示す
断面図である。 １……ブローバイガス還流装置、２……シリン
ダブロツク、３……ブローバイガス通路、３Ａ…
…開口、４……オイル帰還路、４Ａ……出口、５
……コンロツド、６……ピストン、７……堰板、
７Ａ……基端、７Ｂ……自由端、θ……リード角
。 Fig. 1 is a cross-sectional view showing the main structure of a blow-by gas recirculation device according to an embodiment of the present invention, Fig. 2 is a view taken in the direction indicated by the reference numeral in Fig. A diagram for explaining the comparison results regarding oil consumption between the structure and the conventional structure. Figure 4 is a schematic diagram showing an example of the conventional structure of a blow-by gas recirculation device. Figure 5 is a diagram of the structure shown in Figure 4. It is a sectional view showing a modification. 1...Blowby gas recirculation device, 2...Cylinder block, 3...Blowby gas passage, 3A...
...Opening, 4...Oil return path, 4A...Exit, 5
...conrod, 6...piston, 7...weir plate,
7A...base end, 7B...free end, θ...lead angle.

Claims (1)

【実用新案登録請求の範囲】 自動車用エンジンのシリンダとピストンとの隙
間から吐出されるブローバイガスを吸気系に再吸
入するためのブローバイガス還流構造において、 シリンダブロツク内でコンロツドの回転方向に
おけるピストンの上死点よりも上流側に入り口を
持ちカムシヤフトケースとの間に連絡されている
ブローバイガス通路と、 上記シリンダブロツク内で上記コンロツドの回
転方向におけるピストン上死点よりも下流側に出
口を持ちカムシヤフトケースとの間に連絡されて
いるオイルの帰還路と、 上記シリンダブロツク内で上記ブローバイガス
通路の入り口の下部近傍に位置し、上記シリンダ
ブロツクの内壁面に基端を固定され、上記コンロ
ツドに向けて自由端を延長され、この自由端が上
記基端よりも下側に位置するように折り返される
と共に、上記ブローバイガスの流動方向に沿つて
リード角を設定されている堰板とを備え、 上記コンロツドの回転によつて跳ね上がられる
ブローバイガスを上記堰板に衝突させながらリー
ド角により得られる傾斜路を通過させることでブ
ローバイガス中のオイルをシリンダブロツクの下
側に向け案内して滴下させることを特徴とする自
動車用エンジンのブローバイガス還流構造。[Claim for Utility Model Registration] In a blow-by gas recirculation structure for re-inhaling blow-by gas discharged from the gap between the cylinder and piston of an automobile engine into the intake system, A blow-by gas passage has an entrance upstream of the top dead center and communicates with the camshaft case, and has an outlet downstream of the piston top dead center in the rotational direction of the connecting rod in the cylinder block. an oil return passage connected to the camshaft case; a weir plate having a free end extended toward the base end, folded back so that the free end is located below the base end, and having a lead angle set along the flow direction of the blow-by gas. The blow-by gas that is splashed up by the rotation of the cooking stove collides with the weir plate and passes through the slope obtained by the reed angle, thereby guiding the oil in the blow-by gas toward the underside of the cylinder block and causing it to drip. A blow-by gas recirculation structure for an automobile engine is characterized by:
JP1990097995U 1990-09-18 1990-09-18 Blow-by gas recirculation structure for automobile engine Expired - Fee Related JP2519572Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990097995U JP2519572Y2 (en) 1990-09-18 1990-09-18 Blow-by gas recirculation structure for automobile engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990097995U JP2519572Y2 (en) 1990-09-18 1990-09-18 Blow-by gas recirculation structure for automobile engine

Publications (2)

Publication Number Publication Date
JPH0454915U true JPH0454915U (en) 1992-05-12
JP2519572Y2 JP2519572Y2 (en) 1996-12-04

Family

ID=31838819

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990097995U Expired - Fee Related JP2519572Y2 (en) 1990-09-18 1990-09-18 Blow-by gas recirculation structure for automobile engine

Country Status (1)

Country Link
JP (1) JP2519572Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015113771A (en) * 2013-12-12 2015-06-22 ダイハツ工業株式会社 Internal combustion engine
JP2016056713A (en) * 2014-09-08 2016-04-21 アイシン精機株式会社 Internal combustion engine and oil separator

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02211313A (en) * 1989-02-08 1990-08-22 Nissan Motor Co Ltd Lubrication device for engine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02211313A (en) * 1989-02-08 1990-08-22 Nissan Motor Co Ltd Lubrication device for engine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015113771A (en) * 2013-12-12 2015-06-22 ダイハツ工業株式会社 Internal combustion engine
JP2016056713A (en) * 2014-09-08 2016-04-21 アイシン精機株式会社 Internal combustion engine and oil separator

Also Published As

Publication number Publication date
JP2519572Y2 (en) 1996-12-04

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees