JPH0222612U - - Google Patents

Info

Publication number
JPH0222612U
JPH0222612U JP10064088U JP10064088U JPH0222612U JP H0222612 U JPH0222612 U JP H0222612U JP 10064088 U JP10064088 U JP 10064088U JP 10064088 U JP10064088 U JP 10064088U JP H0222612 U JPH0222612 U JP H0222612U
Authority
JP
Japan
Prior art keywords
blow
valve mechanism
plug insertion
chamber
cylinder head
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
JP10064088U
Other languages
Japanese (ja)
Other versions
JPH0645612Y2 (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 JP10064088U priority Critical patent/JPH0645612Y2/en
Publication of JPH0222612U publication Critical patent/JPH0222612U/ja
Application granted granted Critical
Publication of JPH0645612Y2 publication Critical patent/JPH0645612Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)

Description

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

第１図は本考案に係るＤＯＨＣエンジンのブロ
ーバイガス還元装置の側断面図で第２図中の―
線断面図を示す図、第２図はシリンダヘツドの
要部の平面図、第３図は第１図中の―線矢視
断面図である。 ２……ＤＯＨＣエンジン、４……シリンダヘツ
ド、１６……動弁機構室、１８……ヘツドカバー
、２０……カム軸、３２……点火プラグ挿着孔、
３２ａ……ボス部、４０……オイルセパレータ、
５０……ブローバイガス案内管、５０ａ……室内
側の開口、５２……遮蔽壁。 Figure 1 is a side cross-sectional view of the blow-by gas reduction device for a DOHC engine according to the present invention, and is shown in Figure 2.
FIG. 2 is a plan view of the main part of the cylinder head, and FIG. 3 is a sectional view taken along the line -- in FIG. 1. 2... DOHC engine, 4... Cylinder head, 16... Valve train chamber, 18... Head cover, 20... Camshaft, 32... Spark plug insertion hole,
32a...Boss part, 40...Oil separator,
50... Blow-by gas guide pipe, 50a... Opening on the indoor side, 52... Shielding wall.

Claims (1)

【実用新案登録請求の範囲】 シリンダヘツドとヘツドカバーとによつて区画
されてその内部に２本のカム軸が並行配置される
とともにクランク室に連通される動弁機構室と、 前記ヘツドカバーに一体的に設けられたオイル
セパレータと、 前記シリンダヘツドを貫通して、２本のカム軸
間に各気筒に対応されて複数形成された点火プラ
グ挿着孔のボス部と、 前記動弁機構室内に該室内と前記オイルセパレ
ータとを連通して設けられ、動弁機構室側の開口
が前記点火プラグ挿着孔間に臨んで形成されたブ
ローバイガス案内管と、 該ブローバイガス案内管の動弁機構室側の開口
とカム軸との間に介在されるとともに、前記プラ
グ挿着孔のボス部間をつないで形成された飛散オ
イルの遮蔽壁と、 を備えたことを特徴とするＤＯＨＣエンジンのブ
ローバイガス還元装置。[Claims for Utility Model Registration] A valve mechanism chamber which is divided by a cylinder head and a head cover, in which two camshafts are arranged in parallel, and which is communicated with a crank chamber, and which is integrated with the head cover. an oil separator provided in the cylinder head; a boss portion of a plurality of spark plug insertion holes formed between the two camshafts corresponding to each cylinder, passing through the cylinder head; a blow-by gas guide pipe that is provided to communicate between the chamber and the oil separator, and has an opening on the valve mechanism chamber side facing between the spark plug insertion holes; and a valve mechanism chamber of the blow-by gas guide pipe. A blow-by gas for a DOHC engine, comprising: a splashed oil shielding wall interposed between the side opening and the camshaft and connecting the boss portions of the plug insertion hole. reduction device.
JP10064088U 1988-07-30 1988-07-30 Blow-by gas reduction device for DOHC engine Expired - Lifetime JPH0645612Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10064088U JPH0645612Y2 (en) 1988-07-30 1988-07-30 Blow-by gas reduction device for DOHC engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10064088U JPH0645612Y2 (en) 1988-07-30 1988-07-30 Blow-by gas reduction device for DOHC engine

Publications (2)

Publication Number Publication Date
JPH0222612U true JPH0222612U (en) 1990-02-15
JPH0645612Y2 JPH0645612Y2 (en) 1994-11-24

Family

ID=31328900

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10064088U Expired - Lifetime JPH0645612Y2 (en) 1988-07-30 1988-07-30 Blow-by gas reduction device for DOHC engine

Country Status (1)

Country Link
JP (1) JPH0645612Y2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004285831A (en) * 2003-03-19 2004-10-14 Toyota Motor Corp Blow-by gas introduction structure and breather chamber structure
EP1961928A2 (en) 2007-02-23 2008-08-27 Dr. Ing. h.c. F. Porsche Aktiengesellschaft Oil pre-filter for crankcase gas
JP2009216010A (en) * 2008-03-11 2009-09-24 Mazda Motor Corp Engine upper structure
JP2017002837A (en) * 2015-06-11 2017-01-05 株式会社クボタ engine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004285831A (en) * 2003-03-19 2004-10-14 Toyota Motor Corp Blow-by gas introduction structure and breather chamber structure
EP1961928A2 (en) 2007-02-23 2008-08-27 Dr. Ing. h.c. F. Porsche Aktiengesellschaft Oil pre-filter for crankcase gas
EP1961928A3 (en) * 2007-02-23 2010-11-10 Dr. Ing. h.c. F. Porsche AG Oil pre-filter for crankcase gas
JP2009216010A (en) * 2008-03-11 2009-09-24 Mazda Motor Corp Engine upper structure
JP2017002837A (en) * 2015-06-11 2017-01-05 株式会社クボタ engine

Also Published As

Publication number Publication date
JPH0645612Y2 (en) 1994-11-24

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