JPS62176463U - - Google Patents
Info
- Publication number
- JPS62176463U JPS62176463U JP6563586U JP6563586U JPS62176463U JP S62176463 U JPS62176463 U JP S62176463U JP 6563586 U JP6563586 U JP 6563586U JP 6563586 U JP6563586 U JP 6563586U JP S62176463 U JPS62176463 U JP S62176463U
- Authority
- JP
- Japan
- Prior art keywords
- ceramic member
- metal member
- piston body
- piston
- 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
- 239000000919 ceramic Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 2
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
第１図は本考案の一実施例を示す断面図、第２
図は本考案の他の実施例を示す断面図である。
１，２９：ピストン本体、３，２３：セラミツ
ク部材、５，２１：燃焼室キヤビテイ、７，２５
，２７：金属部材、９，１３，３３，３５：断熱
空気層、１ａ，２９ａ：内周側壁、３ａ，２３ａ
：外周側壁。
Fig. 1 is a sectional view showing one embodiment of the present invention;
The figure is a sectional view showing another embodiment of the present invention. 1, 29: Piston body, 3, 23: Ceramic member, 5, 21: Combustion chamber cavity, 7, 25
, 27: Metal member, 9, 13, 33, 35: Heat insulating air layer, 1a, 29a: Inner peripheral side wall, 3a, 23a
: Outer peripheral side wall.
Claims (1)
プ形状のセラミツク部材が嵌合されて燃焼室キヤ
ビテイが形成されており、前記セラミツク部材の
外周側壁には、該セラミツク部材と前記ピストン
本体を形成する軽金属部材との間の熱膨張率を有
する円環形状の金属部材が嵌合され、該金属部材
が前記中空部の内周側壁に嵌合され、前記セラミ
ツク部材と前記中空部の内周側壁との間には、少
なくとも前記セラミツク部材と前記金属部材とに
よつて断熱空気層が形成されていることを特徴と
するエンジンのピストン。 A cup-shaped ceramic member is fitted into a hollow portion formed at the top of the piston body to form a combustion chamber cavity, and a light metal member forming the ceramic member and the piston body is attached to the outer peripheral side wall of the ceramic member. An annular metal member having a coefficient of thermal expansion between A piston for an engine, characterized in that a heat insulating air layer is formed by at least the ceramic member and the metal member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6563586U JPS62176463U (en) | 1986-04-30 | 1986-04-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6563586U JPS62176463U (en) | 1986-04-30 | 1986-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62176463U true JPS62176463U (en) | 1987-11-09 |
Family
ID=30902891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6563586U Pending JPS62176463U (en) | 1986-04-30 | 1986-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62176463U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06257441A (en) * | 1993-03-05 | 1994-09-13 | Isuzu Ceramics Kenkyusho:Kk | Combustion chamber for diesel engine |
-
1986
- 1986-04-30 JP JP6563586U patent/JPS62176463U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06257441A (en) * | 1993-03-05 | 1994-09-13 | Isuzu Ceramics Kenkyusho:Kk | Combustion chamber for diesel engine |