JPS6453445U - - Google Patents
Info
- Publication number
- JPS6453445U JPS6453445U JP15022387U JP15022387U JPS6453445U JP S6453445 U JPS6453445 U JP S6453445U JP 15022387 U JP15022387 U JP 15022387U JP 15022387 U JP15022387 U JP 15022387U JP S6453445 U JPS6453445 U JP S6453445U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- recess
- annular member
- ring groove
- piston structure
- 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
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第１図はこの考案に係る内燃機関のピストン構
造の一実施例を横断面して示す平面図、第２図は
第１図のＡ−Ａ線断面図、第３図のは第１図のＢ
−Ｂ線断面図、第４図は従来のピストン構造を示
す断面図である。
１……アルミ合金製ピストン、２……冠面、３
……バルブリセス（凹部）、４……トツプリング
溝、７……環状部材、１１……切欠部。
FIG. 1 is a plan view showing a cross section of an embodiment of the piston structure for an internal combustion engine according to this invention, FIG. 2 is a sectional view taken along line A-A in FIG. 1, and FIG. B
4 is a sectional view showing a conventional piston structure. 1... Aluminum alloy piston, 2... Crown surface, 3
... Valve recess (recess), 4 ... Top spring groove, 7 ... Annular member, 11 ... Notch.
Claims (1)
共に、ピストン上側部に形成されたピストンリン
グ溝のうち少なくともトツプリング溝周壁に耐摩
耗性を有する材料からなる環状部材を鋳込み固定
してなるピストン構造において、上記環状部材の
上記凹部と近接する部位に切欠部を形成したこと
を特徴とする内燃機関のピストン構造。 In a piston structure in which an aluminum alloy piston has a recess in its crown surface, and an annular member made of a wear-resistant material is cast and fixed to at least the circumferential wall of the top ring groove of the piston ring groove formed in the upper side of the piston. A piston structure for an internal combustion engine, characterized in that a notch is formed in a portion of the annular member adjacent to the recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15022387U JPS6453445U (en) | 1987-09-30 | 1987-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15022387U JPS6453445U (en) | 1987-09-30 | 1987-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6453445U true JPS6453445U (en) | 1989-04-03 |
Family
ID=31423171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15022387U Pending JPS6453445U (en) | 1987-09-30 | 1987-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6453445U (en) |
-
1987
- 1987-09-30 JP JP15022387U patent/JPS6453445U/ja active Pending