JPS6331238U - - Google Patents
Info
- Publication number
- JPS6331238U JPS6331238U JP12554286U JP12554286U JPS6331238U JP S6331238 U JPS6331238 U JP S6331238U JP 12554286 U JP12554286 U JP 12554286U JP 12554286 U JP12554286 U JP 12554286U JP S6331238 U JPS6331238 U JP S6331238U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- combustion engine
- internal combustion
- head
- ceramic
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 8
- 239000000919 ceramic Substances 0.000 claims 5
- 239000000956 alloy Substances 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 230000013011 mating Effects 0.000 description 1
Description
第１図は本考案の内燃機関用ピストンの一実施
例を示す断面図、第２図〜第５図はそれぞれ第１
図に示す実施例におけるシール部の一実施例を示
す断面図、第６図および第７図はそれぞれ本考案
の内燃機関用ピストンの他の実施例を示す断面図
、第８図〜第１０図はそれぞれ従来の内燃機関用
ピストンの一実施例を示す断面図である。
１……ピストン本体、２……ピストンヘツド、
３……固定部、４……受圧面、５……金属リング
、６ａ，６ｂ……かん合部、７……トツプリング
、８……シリンダ内圧、９……切り欠部、１０…
…水平面、１１……トツプリング溝、１２……鋳
込部。
FIG. 1 is a cross-sectional view showing one embodiment of a piston for an internal combustion engine according to the present invention, and FIGS.
6 and 7 are sectional views showing other embodiments of the piston for an internal combustion engine of the present invention, and FIGS. 8 to 10 respectively. 1 and 2 are cross-sectional views showing an example of a conventional piston for an internal combustion engine. 1... Piston body, 2... Piston head,
3...Fixing part, 4...Pressure receiving surface, 5...Metal ring, 6a, 6b...Mating part, 7...Top ring, 8...Cylinder internal pressure, 9...Notch part, 10...
...Horizontal surface, 11...Top ring groove, 12...Cast part.
Claims (1)
トンヘツドを装着する構造の内燃機関用ピストン
において、前記金属製ピストン本体の上部外周に
固定された金属製リングに前記セラミツク製ピス
トンヘツドの一部をかん合することにより前記ピ
ストン本体とピストンヘツドの間のガス漏れを防
止することを特徴とする内燃機関用ピストン。 ２ 前記セラミツク製ピストンヘツドの下部の中
央近傍において、前記ピストン本体とピストンヘ
ツドを固定する実用新案登録請求の範囲第１項記
載の内燃機関用ピストン。 ３ 前記金属製リングが耐熱合金である実用新案
登録請求の範囲第１項記載の内燃機関用ピストン
。 ４ 前記金属製リングのピストン本体とかん合部
内径が、前記セラミツク製ピストンヘツドとの固
定部内径より小さい実用新案登録請求の範囲第１
項記載の内燃機関用ピストン。 ５ 前記金属製リングのセラミツク製ピストンヘ
ツドとのかん合部と金属製ピストン本体との固定
部との間に、ピストン本体とのかん合部の厚みま
たはピストンヘツドとのかん合部の厚みより薄い
部分を設ける実用新案登録請求の範囲第１項記載
の内燃機関用ピストン。[Claims for Utility Model Registration] 1. In a piston for an internal combustion engine having a structure in which a ceramic piston head is attached to the upper part of a metal piston body, the ceramic piston is attached to a metal ring fixed to the upper outer periphery of the metal piston body. A piston for an internal combustion engine, characterized in that gas leakage between the piston body and the piston head is prevented by engaging a portion of the head. 2. The piston for an internal combustion engine according to claim 1, wherein the piston body and the piston head are fixed near the center of the lower part of the ceramic piston head. 3. The piston for an internal combustion engine according to claim 1, wherein the metal ring is made of a heat-resistant alloy. 4 Utility Model Registration Claim 1: The inner diameter of the part of the metal ring that engages with the piston body is smaller than the inner diameter of the part that is fixed to the ceramic piston head.
A piston for an internal combustion engine as described in . 5. Between the part of the metal ring that engages with the ceramic piston head and the fixed part of the metal piston body, there is a part that is thinner than the thickness of the part that engages with the piston body or the thickness of the part that engages with the piston head. A piston for an internal combustion engine according to claim 1, which is a utility model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12554286U JPS6331238U (en) | 1986-08-19 | 1986-08-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12554286U JPS6331238U (en) | 1986-08-19 | 1986-08-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6331238U true JPS6331238U (en) | 1988-02-29 |
Family
ID=31018528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12554286U Pending JPS6331238U (en) | 1986-08-19 | 1986-08-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6331238U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS611617A (en) * | 1984-06-14 | 1986-01-07 | Osaka Chem Lab | Food for adjusting hormone intraday rhythm |
| JPS61116057A (en) * | 1984-11-08 | 1986-06-03 | Toyota Motor Corp | Assembled piston for engine |
-
1986
- 1986-08-19 JP JP12554286U patent/JPS6331238U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS611617A (en) * | 1984-06-14 | 1986-01-07 | Osaka Chem Lab | Food for adjusting hormone intraday rhythm |
| JPS61116057A (en) * | 1984-11-08 | 1986-06-03 | Toyota Motor Corp | Assembled piston for engine |
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