JPS62137361U - - Google Patents

Info

Publication number
JPS62137361U
JPS62137361U JP2508786U JP2508786U JPS62137361U JP S62137361 U JPS62137361 U JP S62137361U JP 2508786 U JP2508786 U JP 2508786U JP 2508786 U JP2508786 U JP 2508786U JP S62137361 U JPS62137361 U JP S62137361U
Authority
JP
Japan
Prior art keywords
piston
combustion engine
internal combustion
tin layer
top ring
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.)
Pending
Application number
JP2508786U
Other languages
Japanese (ja)
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 JP2508786U priority Critical patent/JPS62137361U/ja
Publication of JPS62137361U publication Critical patent/JPS62137361U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Other Surface Treatments For Metallic Materials (AREA)
  • Physical Vapour Deposition (AREA)

Description

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

第1図は本考案に係る内燃機関のピストンの断
面図、第2図は第1図のピストンのトツプリング
溝とその近傍の断面図、第3図はTiN層をトツ
プリング溝の全面に形成したときのトツプリング
溝とその近傍の断面図、第4図は従来のニレジス
ト耐摩環を埋設したトツプリング溝とその近傍の
断面図、第5図は従来のFRM耐摩環を埋設した
トツプリング溝とその近傍の断面図、である。 10……ピストン、12……トツプリング溝、
14……下面、16……TiN層、22……硬質
アルマイト処理層。
Fig. 1 is a sectional view of a piston of an internal combustion engine according to the present invention, Fig. 2 is a sectional view of the top ring groove of the piston shown in Fig. 1 and its vicinity, and Fig. 3 is a TiN layer formed on the entire surface of the top ring groove. Fig. 4 is a cross-sectional view of the top-ring groove and its vicinity in which a conventional Niresist wear-resistant ring is embedded, and Fig. 5 is a cross-sectional view of the top-ring groove in which a conventional FRM wear-resistant ring is embedded. and a cross-sectional view of its vicinity. 10... Piston, 12... Top spring groove,
14... Bottom surface, 16... TiN layer, 22... Hard alumite treatment layer.

Claims (1)

【実用新案登録請求の範囲】 (1) ピストンの全周にわたつて延びるトツプリ
ング溝を有し、該トツプリングにトツプリングが
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、前記トツプリング溝の少なくとも下
面にTiN層を形成したことを特徴とする内燃機
関のピストン。 (2) 前記TiN層の下地に硬質アルマイト処理
を施した実用新案登録請求の範囲第1項記載の内
燃機関のピストン。
[Claims for Utility Model Registration] (1) A piston for an internal combustion engine made of an Al alloy, which has a top ring groove extending around the entire circumference of the piston, into which the top ring is fitted, A piston for an internal combustion engine, characterized in that a TiN layer is formed on at least the lower surface of the groove. (2) The piston for an internal combustion engine according to claim 1, wherein a hard alumite treatment is applied to the base of the TiN layer.
JP2508786U 1986-02-25 1986-02-25 Pending JPS62137361U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2508786U JPS62137361U (en) 1986-02-25 1986-02-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2508786U JPS62137361U (en) 1986-02-25 1986-02-25

Publications (1)

Publication Number Publication Date
JPS62137361U true JPS62137361U (en) 1987-08-29

Family

ID=30824911

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2508786U Pending JPS62137361U (en) 1986-02-25 1986-02-25

Country Status (1)

Country Link
JP (1) JPS62137361U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01206162A (en) * 1988-02-12 1989-08-18 Toyota Motor Corp Piston-piston ring assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01206162A (en) * 1988-02-12 1989-08-18 Toyota Motor Corp Piston-piston ring assembly

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