JPS5873941U - internal combustion engine piston - Google Patents
internal combustion engine pistonInfo
- Publication number
- JPS5873941U JPS5873941U JP16765281U JP16765281U JPS5873941U JP S5873941 U JPS5873941 U JP S5873941U JP 16765281 U JP16765281 U JP 16765281U JP 16765281 U JP16765281 U JP 16765281U JP S5873941 U JPS5873941 U JP S5873941U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- combustion engine
- internal combustion
- utility
- heat insulating
- 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
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は、本考案の第１の実施例に係るピストンの縦断
面図、第２図は第１図のピストンと直角方向の断面図、
第３図は従来のピストンの断面図、第４図は従来のピス
トンにおける熱流図、第５図は本考案のピストンにおけ
る熱流図、第６図はピストンリング位置とピストン表面
温度との関係図、第７図はピストンリング位置とピスト
ンリング温度との関係図、第８図はピストンリングがピ
ストン頂面から２０ｒｒｖｎの位置にあるときのピスト
ンの温度分布図、第９図はピストンリングがピストン頂
面から５ＴＩｒＩｎの位置にあるときのピストンの温度
分布図、第１０図は本考案の第２の実施例に係るピスト
ンの縦断面図、第１１図はピストンリング位置左礁費と
の関係図、である。
２・・・・・・ピストン、４・・・・・・コンプレッシ
ョンリン −グ１．５・・・・・・オイルヌング、６・
・・・・・ピストンリング、７・・・・・・断熱層、８
・・・・・・ウォータジャケット、１１・・・・・・絞
り。FIG. 1 is a longitudinal sectional view of a piston according to a first embodiment of the present invention, FIG. 2 is a sectional view perpendicular to the piston of FIG. 1,
FIG. 3 is a sectional view of a conventional piston, FIG. 4 is a heat flow diagram in the conventional piston, FIG. 5 is a heat flow diagram in the piston of the present invention, and FIG. 6 is a relationship diagram between piston ring position and piston surface temperature. Figure 7 is a diagram showing the relationship between the piston ring position and piston ring temperature, Figure 8 is a temperature distribution diagram of the piston when the piston ring is at a position 20rrvn from the top surface of the piston, and Figure 9 is a diagram of the temperature distribution of the piston when the piston ring is at a position 20rrvn from the top surface of the piston. FIG. 10 is a longitudinal sectional view of the piston according to the second embodiment of the present invention, and FIG. 11 is a diagram showing the relationship between the piston ring position and the left reef cost. be. 2... Piston, 4... Compression ring 1.5... Oil nung, 6...
... Piston ring, 7 ... Heat insulation layer, 8
...Water jacket, 11...Aperture.
Claims (4)
１０順以下の範囲に位置せしめたことを特−徴とする内
燃機関のピストン。(1) A piston for an internal combustion engine, characterized in that the lower end of the top piston ring is located within a range of 10 or less from the top surface of the piston.
のピストンにおいて、ピストンリングの背面位置に環状
の断熱層が設けられているもの。(2) Scope of Utility Model Registration The piston for an internal combustion engine according to claim 1, wherein an annular heat insulating layer is provided on the back side of the piston ring.
のピストンにおいて、断熱層がピストンに環状に鋳込ま
れた断熱材からなるもの。(3) Scope of Utility Model Registration The piston for an internal combustion engine according to claim 2, wherein the heat insulating layer is made of a heat insulating material cast into the piston in an annular shape.
のピストンにおいて、断熱層がピストンに形成された下
端が開放している環状空間部からなるもの。(4) Utility Model Registration Scope of Claim 2. The piston for an internal combustion engine as set forth in claim 2, wherein the piston has a heat insulating layer formed thereon and comprises an annular space portion open at the lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16765281U JPS5873941U (en) | 1981-11-12 | 1981-11-12 | internal combustion engine piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16765281U JPS5873941U (en) | 1981-11-12 | 1981-11-12 | internal combustion engine piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5873941U true JPS5873941U (en) | 1983-05-19 |
Family
ID=29959731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16765281U Pending JPS5873941U (en) | 1981-11-12 | 1981-11-12 | internal combustion engine piston |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5873941U (en) |
-
1981
- 1981-11-12 JP JP16765281U patent/JPS5873941U/en active Pending
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