JPS62135848U - - Google Patents
Info
- Publication number
- JPS62135848U JPS62135848U JP2282786U JP2282786U JPS62135848U JP S62135848 U JPS62135848 U JP S62135848U JP 2282786 U JP2282786 U JP 2282786U JP 2282786 U JP2282786 U JP 2282786U JP S62135848 U JPS62135848 U JP S62135848U
- Authority
- JP
- Japan
- Prior art keywords
- piston ring
- piston
- ring groove
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 6
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第1図は本考案の第1実施例に係る内燃機関の
ピストンのピストンリング溝近傍の部分断面図、
第2図は第1図のピストンの高負荷時における断
面図、第3図は第1図のピストンの低負荷時にお
ける断面図、第4図は本考案の第2実施例に係る
内燃機関のピストンのピストンリング溝近傍の部
分断面図、第5図は本考案の第3実施例に係る内
燃機関のピストンのピストンリング溝近傍の部分
断面図、第6図は従来の内燃機関の面取りなしピ
ストンのピストンリング溝近傍の部分断面図、第
7図は従来のピストンの上面、下面に同一寸法の
微小面取りがあるピストンリング溝近傍の斜視図
、である。
2……ピストン、4,6,26,28……ピス
トンリング溝、8,10……ピストンリング、1
6,18……ピストンリング溝の上面、20,2
2……ピストンリング溝の下面、40,42……
面取り。
FIG. 1 is a partial sectional view of the vicinity of the piston ring groove of a piston of an internal combustion engine according to a first embodiment of the present invention;
2 is a sectional view of the piston shown in FIG. 1 under high load, FIG. 3 is a sectional view of the piston shown in FIG. 1 under low load, and FIG. 4 is a sectional view of the internal combustion engine according to the second embodiment of the present invention. FIG. 5 is a partial sectional view of the vicinity of the piston ring groove of a piston of an internal combustion engine according to a third embodiment of the present invention; FIG. 6 is a partial sectional view of the vicinity of the piston ring groove of a piston of a conventional internal combustion engine. FIG. 7 is a partial sectional view of the vicinity of the piston ring groove, and FIG. 7 is a perspective view of the vicinity of the piston ring groove, in which the upper and lower surfaces of a conventional piston have minute chamfers of the same size. 2... Piston, 4, 6, 26, 28... Piston ring groove, 8, 10... Piston ring, 1
6, 18...Top surface of piston ring groove, 20, 2
2... Lower surface of piston ring groove, 40, 42...
chamfer.
Claims (1)
びるピストンリング溝を形成し、該ピストンリン
グ溝にピストンリングを嵌入させる内燃機関のピ
ストンにおいて、前記ピストンリング溝の下面に
、のピストンリングとの接触面積をピストンリン
グ溝の上面のピストンリングとの接触面積よりも
小とさせる面取り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 in which a piston ring groove is formed on the outer periphery of the upper part of the piston and extends all the way in the circumferential direction, and the piston ring is fitted into the piston ring groove, the lower surface of the piston ring groove is in contact with the piston ring. A piston for an internal combustion engine, characterized in that a chamfer is provided to make the area of the upper surface of a piston ring groove smaller than the contact area with a piston ring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2282786U JPS62135848U (en) | 1986-02-21 | 1986-02-21 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2282786U JPS62135848U (en) | 1986-02-21 | 1986-02-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS62135848U true JPS62135848U (en) | 1987-08-26 |
Family
ID=30820577
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2282786U Pending JPS62135848U (en) | 1986-02-21 | 1986-02-21 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62135848U (en) |
-
1986
- 1986-02-21 JP JP2282786U patent/JPS62135848U/ja active Pending
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