JPS6243157U - - Google Patents
Info
- Publication number
- JPS6243157U JPS6243157U JP13595385U JP13595385U JPS6243157U JP S6243157 U JPS6243157 U JP S6243157U JP 13595385 U JP13595385 U JP 13595385U JP 13595385 U JP13595385 U JP 13595385U JP S6243157 U JPS6243157 U JP S6243157U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- heat
- main body
- ring groove
- combustion engine
- 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 2
- 238000010586 diagram Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 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の
一実施例を示す断面図、第２図はこの実施例にお
ける熱流線特性を示す説明図、第３図はこの実施
例による等温線分布を示す説明図、第４図はこの
考案における等温線と熱流線との関係を示す作用
説明図、第５図は従来のピストンを示す断面図、
第６図は従来の等温線分布を示す説明図である。
１１……ピストン本体、１２……トツプリング
溝、１３……セカンドリング溝、１４……オイル
リング溝、１５……冠部、１７……熱案内部材、
１８……環状円板部、１９……円筒部、１９ａ…
…下端部、２０……内部空間、２１……空気層（
断熱層）。
Fig. 1 is a sectional view showing an embodiment of a piston of an internal combustion engine according to this invention, Fig. 2 is an explanatory diagram showing heat flow line characteristics in this embodiment, and Fig. 3 is an isothermal line distribution according to this embodiment. An explanatory diagram, FIG. 4 is an explanatory diagram showing the relationship between isothermal lines and heat flow lines in this invention, and FIG. 5 is a sectional view showing a conventional piston.
FIG. 6 is an explanatory diagram showing a conventional isotherm distribution. 11...Piston body, 12...Top ring groove, 13...Second ring groove, 14...Oil ring groove, 15...Crown, 17...Heat guide member,
18...Annular disc part, 19...Cylindrical part, 19a...
... lower end, 20 ... internal space, 21 ... air layer (
insulation layer).
Claims (1)
グ溝の内側に、上記本体より大きな熱伝導率を有
し、かつ下端部が上記本体下部の内部空間に臨む
熱案内部材が鋳込まれていると共に、この熱案内
部材の外周に断熱層が形成されたことを特徴とす
る内燃機関のピストン。 A heat guide member is cast inside the piston ring groove formed in the upper part of the piston body, and has a higher thermal conductivity than the main body, and whose lower end faces the inner space of the lower part of the main body. A piston for an internal combustion engine, characterized in that a heat insulating layer is formed on the outer periphery of a heat guiding member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13595385U JPS6243157U (en) | 1985-09-05 | 1985-09-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13595385U JPS6243157U (en) | 1985-09-05 | 1985-09-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6243157U true JPS6243157U (en) | 1987-03-16 |
Family
ID=31038622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13595385U Pending JPS6243157U (en) | 1985-09-05 | 1985-09-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6243157U (en) |
-
1985
- 1985-09-05 JP JP13595385U patent/JPS6243157U/ja active Pending
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