JPS61187942U - - Google Patents
Info
- Publication number
- JPS61187942U JPS61187942U JP7325585U JP7325585U JPS61187942U JP S61187942 U JPS61187942 U JP S61187942U JP 7325585 U JP7325585 U JP 7325585U JP 7325585 U JP7325585 U JP 7325585U JP S61187942 U JPS61187942 U JP S61187942U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- combustion chamber
- cooling cavity
- combustion engine
- internal combustion
- 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
- 238000001816 cooling Methods 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims 6
- 239000011810 insulating material Substances 0.000 claims 1
- 229910001018 Cast iron Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第１図はこの考案の実施例を示す鋳鉄ピストン
の一部断面図、第２図は他の実施例を示す鋳鉄ピ
ストンの一部断面図、第３，４図は各々、従来の
鋳鉄ピストンの一部断面図、第５図は従来のアル
ミピストンの一部断面図である。
１０……ピストンキヤビテイ、１１……ピスト
ン頂面、１２……冷却空洞、１４，１５……セラ
ミツク溶射層。
Fig. 1 is a partial sectional view of a cast iron piston showing an embodiment of this invention, Fig. 2 is a partial sectional view of a cast iron piston showing another embodiment, and Figs. 3 and 4 respectively show a conventional cast iron piston. Partial sectional view, FIG. 5 is a partial sectional view of a conventional aluminum piston. 10... Piston cavity, 11... Piston top surface, 12... Cooling cavity, 14, 15... Ceramic sprayed layer.
Claims (1)
燃焼室の外周部分に位置してピストン内部に冷却
空洞を設けた内燃機関のピストンにおいて、燃焼
室の開口縁部に対応する冷却空洞の内側隅部及び
燃焼室底壁のオイル接触面を断熱材で形成したこ
とを特徴とする内燃機関のピストン。 In a piston of an internal combustion engine that has a concave combustion chamber formed on the top surface of the piston and a cooling cavity located inside the piston located on the outer periphery of the combustion chamber, the inside of the cooling cavity corresponding to the opening edge of the combustion chamber. A piston for an internal combustion engine, characterized in that the oil contact surfaces of the corners and the bottom wall of the combustion chamber are formed of a heat insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7325585U JPS61187942U (en) | 1985-05-17 | 1985-05-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7325585U JPS61187942U (en) | 1985-05-17 | 1985-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61187942U true JPS61187942U (en) | 1986-11-22 |
Family
ID=30612442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7325585U Pending JPS61187942U (en) | 1985-05-17 | 1985-05-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61187942U (en) |
-
1985
- 1985-05-17 JP JP7325585U patent/JPS61187942U/ja active Pending