JPS604742U - Engine oil rise prevention device - Google Patents

Engine oil rise prevention device

Info

Publication number
JPS604742U
JPS604742U JP9701683U JP9701683U JPS604742U JP S604742 U JPS604742 U JP S604742U JP 9701683 U JP9701683 U JP 9701683U JP 9701683 U JP9701683 U JP 9701683U JP S604742 U JPS604742 U JP S604742U
Authority
JP
Japan
Prior art keywords
pressure
prevention device
engine oil
culling
rise prevention
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
JP9701683U
Other languages
Japanese (ja)
Other versions
JPH0320522Y2 (en
Inventor
謙二 樫山
宗藤　孝慈
卓 布施
Original Assignee
マツダ株式会社
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 by マツダ株式会社 filed Critical マツダ株式会社
Priority to JP9701683U priority Critical patent/JPS604742U/en
Publication of JPS604742U publication Critical patent/JPS604742U/en
Application granted granted Critical
Publication of JPH0320522Y2 publication Critical patent/JPH0320522Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Pistons, Piston Rings, And Cylinders (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は本考案の一実施例を示すピストンの正面図、第
２図は第２圧カリングの合口部分の構造の一例を示す要
部正面図、第３図は第２図の平面図、第４図は第２圧カ
リングの合口部分の構造の変形例を示す要部正面図、第
５図は第４図の平面図、第６図はクランク角に対する燃
焼室圧力と第２のランド部の空間の圧力変動とを示す曲
線図である。 １・・・・・・シリンダ、１ａ・・・・・・内壁、２　
”””ピストン、３・・・・・・燃焼室、４・・・・・
・第１圧カリング、５・・・・・・第２圧カリング、４
ａ、　　５ａ・・・・・・合口、６・・・・・・オイル
リング、７・・・・・・第１圧カリング溝、８・・・・
・・第２圧カリング溝、９・・・・・・オイルリング溝
、１１・・・・・・第２のランド部、１２・・・・・・
第３のランド部、１５・・・・・・空間、１７ａ、１７
ｂ・・・・・・貫通孔、１８・・・・・・連通溝、１９
・・・・・・空間。Fig. 1 is a front view of a piston showing an embodiment of the present invention, Fig. 2 is a front view of main parts showing an example of the structure of the abutment part of the second pressure culling, Fig. 3 is a plan view of Fig. 2, Fig. 4 is a front view of the main part showing a modification of the structure of the abutment part of the second pressure culling, Fig. 5 is a plan view of Fig. 4, and Fig. 6 shows the combustion chamber pressure and the second land part with respect to the crank angle. It is a curve diagram showing the pressure fluctuation of the space. 1...Cylinder, 1a...Inner wall, 2
""" Piston, 3... Combustion chamber, 4...
・First pressure culling, 5...Second pressure culling, 4
a, 5a...Abutment, 6...Oil ring, 7...First pressure culling groove, 8...
...Second pressure culling groove, 9...Oil ring groove, 11...Second land portion, 12...
Third land portion, 15...Space, 17a, 17
b...Through hole, 18...Communication groove, 19
······space.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シリンダ内をピストンが往復運動するエンジンにおいて
、ピストンの第１圧カリングおよび第２圧カリングの合
口形状を、該合口の隙間面積が一定となる段付合口とす
るとともに、上記第２圧力リンクの隙間面積を第１圧カ
リングの隙間面積より大きく設定したことを特徴とする
エンジンのオイル上り防止装置。In an engine in which a piston reciprocates in a cylinder, the abutment shape of the first pressure culling and the second pressure culling of the piston is a stepped abutment where the gap area of the abutment is constant, and the gap between the second pressure link is A device for preventing oil from rising in an engine, characterized in that an area is set larger than a gap area of a first pressure culling.
JP9701683U 1983-06-23 1983-06-23 Engine oil rise prevention device Granted JPS604742U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9701683U JPS604742U (en) 1983-06-23 1983-06-23 Engine oil rise prevention device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9701683U JPS604742U (en) 1983-06-23 1983-06-23 Engine oil rise prevention device

Publications (2)

Publication Number Publication Date
JPS604742U true JPS604742U (en) 1985-01-14
JPH0320522Y2 JPH0320522Y2 (en) 1991-05-02

Family

ID=30230951

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9701683U Granted JPS604742U (en) 1983-06-23 1983-06-23 Engine oil rise prevention device

Country Status (1)

Country Link
JP (1) JPS604742U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62108029A (en) * 1985-11-07 1987-05-19 Toyo Seikan Kaisha Ltd Method and apparatus for injection-blow molding of plastic container

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50107861U (en) * 1974-02-12 1975-09-04

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50107861U (en) * 1974-02-12 1975-09-04

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62108029A (en) * 1985-11-07 1987-05-19 Toyo Seikan Kaisha Ltd Method and apparatus for injection-blow molding of plastic container
JPH0449450B2 (en) * 1985-11-07 1992-08-11 Toyo Seikan Kaisha Ltd

Also Published As

Publication number Publication date
JPH0320522Y2 (en) 1991-05-02

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