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JPS62137359U - - Google Patents

Info

Publication number
JPS62137359U
JPS62137359U JP2452986U JP2452986U JPS62137359U JP S62137359 U JPS62137359 U JP S62137359U JP 2452986 U JP2452986 U JP 2452986U JP 2452986 U JP2452986 U JP 2452986U JP S62137359 U JPS62137359 U JP S62137359U
Authority
JP
Japan
Prior art keywords
piston
oil ring
ring groove
expander
combustion engine
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
JP2452986U
Other languages
Japanese (ja)
Other versions
JPH0424123Y2 (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 JP1986024529U priority Critical patent/JPH0424123Y2/ja
Publication of JPS62137359U publication Critical patent/JPS62137359U/ja
Application granted granted Critical
Publication of JPH0424123Y2 publication Critical patent/JPH0424123Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Pistons, Piston Rings, And Cylinders (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)

Description

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

第１図イ，ロは本考案に係る内燃機関のピスト
ンのオイルリング溝とその近傍の断面図、第２図
は従来のピストンのオイルリング溝とその近傍の
断面図、第３図は従来のピストンのオイルリング
溝の摩耗後の断面図、である。 ２……エキスパンダ、４，６……サイドレール
、１２……シリンダボア、１４……ピストン、１
６……オイルリング溝、１８，２０……オイルリ
ング溝の上、下面、２２，２４……へこみ、２６
……ＳｉＣ粒子埋め込み硬化層、３０……ＳｉＣ
粒子。 Figures 1A and 1B are cross-sectional views of the oil ring groove and its vicinity in a piston of an internal combustion engine according to the present invention; Figure 2 is a cross-sectional view of the oil ring groove and its vicinity in a conventional piston; FIG. 3 is a cross-sectional view of the oil ring groove of the piston after wear. 2...Expander, 4, 6...Side rail, 12...Cylinder bore, 14...Piston, 1
6... Oil ring groove, 18, 20... Upper and lower surfaces of oil ring groove, 22, 24... Dent, 26
...SiC particle embedded hardening layer, 30...SiC
particle.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ピストンの全周にわたつて延びるオイルリング
溝を有し、該オイルリング溝にエキスパンダと該
エキスパンダの上下に配設される一対のサイドレ
ールとから成る組合せオイルリングが嵌入される
、Ａｌ合金から成る内燃機関のピストンにおいて
、前記オイルリング溝の少なくとも上下面にシリ
コンカーバイド粒子を埋め込んだことを特徴とす
る内燃機関のピストン。 An Al alloy having an oil ring groove extending around the entire circumference of the piston, into which a combination oil ring consisting of an expander and a pair of side rails disposed above and below the expander is fitted. A piston for an internal combustion engine comprising: a piston for an internal combustion engine, characterized in that silicon carbide particles are embedded in at least the upper and lower surfaces of the oil ring groove.
JP1986024529U 1986-02-24 1986-02-24 Expired JPH0424123Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986024529U JPH0424123Y2 (en) 1986-02-24 1986-02-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986024529U JPH0424123Y2 (en) 1986-02-24 1986-02-24

Publications (2)

Publication Number Publication Date
JPS62137359U true JPS62137359U (en) 1987-08-29
JPH0424123Y2 JPH0424123Y2 (en) 1992-06-05

Family

ID=30823842

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986024529U Expired JPH0424123Y2 (en) 1986-02-24 1986-02-24

Country Status (1)

Country Link
JP (1) JPH0424123Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01131374A (en) * 1987-11-16 1989-05-24 Showa Denko Kk Composite piston

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5223018A (en) * 1975-08-13 1977-02-21 Mitsubishi Chem Ind Ltd Process for preparation of acrylamide crystal
JPS589160A (en) * 1981-07-10 1983-01-19 Konishiroku Photo Ind Co Ltd Copying machine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5223018A (en) * 1975-08-13 1977-02-21 Mitsubishi Chem Ind Ltd Process for preparation of acrylamide crystal
JPS589160A (en) * 1981-07-10 1983-01-19 Konishiroku Photo Ind Co Ltd Copying machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01131374A (en) * 1987-11-16 1989-05-24 Showa Denko Kk Composite piston

Also Published As

Publication number Publication date
JPH0424123Y2 (en) 1992-06-05

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