JPS59107040U - internal combustion engine piston - Google Patents
internal combustion engine pistonInfo
- Publication number
- JPS59107040U JPS59107040U JP37983U JP37983U JPS59107040U JP S59107040 U JPS59107040 U JP S59107040U JP 37983 U JP37983 U JP 37983U JP 37983 U JP37983 U JP 37983U JP S59107040 U JPS59107040 U JP S59107040U
- Authority
- JP
- Japan
- Prior art keywords
- combustion engine
- internal combustion
- piston
- engine piston
- passage
- 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
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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案による内燃機関のピストンの一実施例を
示す断面図、第２図ａ、 ｂはそれぞれ本考案に用い
られる形状記憶合金パイプの一実施例の所定温度以下の
状態と所定温度以上の状態を示す断面図、第３図はピス
トンの燃焼室温度と冷却油通路温度との関係を示す図で
ある。
１・・・・・・ピストン、２・・・・・・冷却油通路、
３・・・・・・環状冷却油通路、４・・・・・・燃焼室
、５・・・・・・冷却油ノズル、６・・・・・・形状記
憶合金パイプ、６ａ・・・・・・（ひれ部。Fig. 1 is a cross-sectional view showing an embodiment of a piston of an internal combustion engine according to the present invention, and Figs. 2a and 2b respectively show an embodiment of the shape memory alloy pipe used in the present invention in a state below a predetermined temperature and at a predetermined temperature. FIG. 3, which is a sectional view showing the above state, is a diagram showing the relationship between the combustion chamber temperature of the piston and the cooling oil passage temperature. 1...Piston, 2...Cooling oil passage,
3... Annular cooling oil passage, 4... Combustion chamber, 5... Cooling oil nozzle, 6... Shape memory alloy pipe, 6a... ...(fin part.
Claims (1)
流体の通路に、ピストンの温度が低い時には該通路の断
面積を小さくし、ピストンの温度が高い時には該通路の
断面積を大きくする形状記憶合金部材を設けたことを特
徴とする内燃機関のピストン。In a piston of an internal combustion engine that is cooled with a cooling fluid, a shape memory alloy member is provided in the cooling fluid passage, and the cross-sectional area of the passage is reduced when the piston temperature is low, and the cross-sectional area of the passage is increased when the piston temperature is high. A piston for an internal combustion engine characterized by being provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP37983U JPS59107040U (en) | 1983-01-06 | 1983-01-06 | internal combustion engine piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP37983U JPS59107040U (en) | 1983-01-06 | 1983-01-06 | internal combustion engine piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59107040U true JPS59107040U (en) | 1984-07-19 |
Family
ID=30132135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP37983U Pending JPS59107040U (en) | 1983-01-06 | 1983-01-06 | internal combustion engine piston |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59107040U (en) |
-
1983
- 1983-01-06 JP JP37983U patent/JPS59107040U/en active Pending
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