JPH0442248U - - Google Patents
Info
- Publication number
- JPH0442248U JPH0442248U JP8513390U JP8513390U JPH0442248U JP H0442248 U JPH0442248 U JP H0442248U JP 8513390 U JP8513390 U JP 8513390U JP 8513390 U JP8513390 U JP 8513390U JP H0442248 U JPH0442248 U JP H0442248U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- circumferential surface
- combustion engine
- internal combustion
- outer circumferential
- 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 2
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第１図及び第２図は本考案の一実施例を示すも
ので、第１図は縦断正面図、第２図は第１図にお
けるａ−ａ線断面図、第３図及び第４図は従来例
を示すもので、第３図は縦断正面図、第４図はそ
の要部を拡大して示す縦断正面図である。
１……シリンダ、１５〜１７……リング溝、１
８〜２０……ピストンリング、２５……ピストン
、２６……減圧溝。
1 and 2 show one embodiment of the present invention, in which FIG. 1 is a longitudinal sectional front view, FIG. 2 is a sectional view taken along line a-a in FIG. 1, and FIGS. 3 and 4 are 3 is a longitudinal sectional front view, and FIG. 4 is a longitudinal sectional front view showing an enlarged main part of the conventional example. 1...Cylinder, 15-17...Ring groove, 1
8 to 20... Piston ring, 25... Piston, 26... Pressure reducing groove.
Claims (1)
るとともに運転時において温度分布にアンバラン
スを生ずる内燃機関のピストンにおいて、前記ピ
ストン外周面とこのピストンが収納されたシリン
ダ内周面との間に隙間を形成する減圧溝を前記ピ
ストンの低温側外周面に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 in which multiple piston rings are inserted into ring grooves and temperature distribution is unbalanced during operation, there is a gap between the outer circumferential surface of the piston and the inner circumferential surface of the cylinder in which the piston is housed. A piston for an internal combustion engine, characterized in that a pressure reducing groove forming a pressure reduction groove is formed on an outer circumferential surface of the piston on a low temperature side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8513390U JPH0442248U (en) | 1990-08-10 | 1990-08-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8513390U JPH0442248U (en) | 1990-08-10 | 1990-08-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0442248U true JPH0442248U (en) | 1992-04-09 |
Family
ID=31634085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8513390U Pending JPH0442248U (en) | 1990-08-10 | 1990-08-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0442248U (en) |
-
1990
- 1990-08-10 JP JP8513390U patent/JPH0442248U/ja active Pending
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