JPS63168362U - - Google Patents
Info
- Publication number
- JPS63168362U JPS63168362U JP6071587U JP6071587U JPS63168362U JP S63168362 U JPS63168362 U JP S63168362U JP 6071587 U JP6071587 U JP 6071587U JP 6071587 U JP6071587 U JP 6071587U JP S63168362 U JPS63168362 U JP S63168362U
- Authority
- JP
- Japan
- Prior art keywords
- oil ring
- expander
- inner peripheral
- layer
- peripheral surface
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 229910019142 PO4 Inorganic materials 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 2
- 239000010452 phosphate Substances 0.000 claims description 2
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Description
第１図は組合わせオイルリングの外観斜視図；
第２図は本考案によるオイルリングの一断面図；
第３図はコイルエキスパンダをオイルリングの内
周溝に装着した、組合わせオイルリングをピスト
ンのリング溝に組付け、縮径した状態でシリンダ
に装着した状態を示す断面図。
１……オイルリング、１ａ……オイルリング材
、２……内周面、６ａ……摺動面、７……窒化処
理層、７ａ……拡散層、７ｂ……ポーラス層、８
……燐酸塩皮膜、９……エキスパンダ。
Figure 1 is a perspective view of the combined oil ring;
Figure 2 is a cross-sectional view of the oil ring according to the present invention;
FIG. 3 is a cross-sectional view showing a state in which the combined oil ring, in which the coil expander is installed in the inner circumferential groove of the oil ring, is installed in the ring groove of the piston and installed in the cylinder in a reduced diameter state. DESCRIPTION OF SYMBOLS 1... Oil ring, 1a... Oil ring material, 2... Inner peripheral surface, 6a... Sliding surface, 7... Nitriding layer, 7a... Diffusion layer, 7b... Porous layer, 8
...Phosphate film, 9...Expander.
Claims (1)
り窒化処理層を形成し、上記オイルリングの少く
とも摺動面において上記窒化処理層の最表層部に
含まれるポーラス層を除去し、上記オイルリング
内周面にエキスパンダを装着した組合わせオイル
リングにおいて、 上記オイルリングの少くとも内周面上に燐酸塩
皮膜を形成したことを特徴とする組合わせオイル
リング。[Claims for Utility Model Registration] A nitrided layer is formed over the entire surface of the oil ring base material and the expander, and a porous layer included in the outermost layer of the nitrided layer is formed at least on the sliding surface of the oil ring. A combination oil ring in which the oil ring is removed and an expander is attached to the inner peripheral surface of the oil ring, wherein a phosphate film is formed on at least the inner peripheral surface of the oil ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6071587U JPS63168362U (en) | 1987-04-23 | 1987-04-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6071587U JPS63168362U (en) | 1987-04-23 | 1987-04-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63168362U true JPS63168362U (en) | 1988-11-02 |
Family
ID=30893376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6071587U Pending JPS63168362U (en) | 1987-04-23 | 1987-04-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63168362U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02176269A (en) * | 1988-12-27 | 1990-07-09 | Riken Corp | Piston ring and manufacture thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60153455A (en) * | 1984-01-23 | 1985-08-12 | Nippon Piston Ring Co Ltd | Steel piston ring |
| JPS6155065B2 (en) * | 1982-06-23 | 1986-11-26 | Hitachi Ltd |
-
1987
- 1987-04-23 JP JP6071587U patent/JPS63168362U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6155065B2 (en) * | 1982-06-23 | 1986-11-26 | Hitachi Ltd | |
| JPS60153455A (en) * | 1984-01-23 | 1985-08-12 | Nippon Piston Ring Co Ltd | Steel piston ring |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02176269A (en) * | 1988-12-27 | 1990-07-09 | Riken Corp | Piston ring and manufacture thereof |