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
Links
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims 1
Landscapes
- Other Surface Treatments For Metallic Materials (AREA)
- Physical Vapour Deposition (AREA)
Description
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)
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.
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01206162A (en) * | 1988-02-12 | 1989-08-18 | Toyota Motor Corp | Piston-piston ring assembly |
-
1986
- 1986-02-25 JP JP2508786U patent/JPS62137361U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01206162A (en) * | 1988-02-12 | 1989-08-18 | Toyota Motor Corp | Piston-piston ring assembly |