JPH01173563U - - Google Patents
Info
- Publication number
- JPH01173563U JPH01173563U JP6931788U JP6931788U JPH01173563U JP H01173563 U JPH01173563 U JP H01173563U JP 6931788 U JP6931788 U JP 6931788U JP 6931788 U JP6931788 U JP 6931788U JP H01173563 U JPH01173563 U JP H01173563U
- Authority
- JP
- Japan
- Prior art keywords
- ellipse
- axis
- piston ring
- piston
- ring groove
- 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.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 claims description 2
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第1図は本考案の実施例の断面図、第2図は第
1図の―視ピストン輪郭図、第3図は第1図
の―視ピストンリング断面図を示す。
1……シリンダヘツド、2……シリンダ、3…
…ピストン、4……ピストンリング溝、5……ピ
ストンリング、6……バルブ、7……燃焼室、8
……シリンダボア、θ……回転角、a……楕円の
長径、b……楕円の短径。
FIG. 1 is a sectional view of an embodiment of the present invention, FIG. 2 is a piston profile view as seen in FIG. 1, and FIG. 3 is a sectional view of a piston ring as seen in FIG. 1. 1...Cylinder head, 2...Cylinder, 3...
... Piston, 4 ... Piston ring groove, 5 ... Piston ring, 6 ... Valve, 7 ... Combustion chamber, 8
... Cylinder bore, θ... Rotation angle, a... Major axis of the ellipse, b... Minor axis of the ellipse.
Claims (1)
つて、前記楕円形の長軸を回転軸としてシリンダ
孔の軸線に対して直角の方向から、 回転角=COS−1(前記楕円形の短径/前記
楕円形の長径)だけ回転した面により切断された
断面形状が真円となるピストンリング溝と該ピス
トンリング溝に嵌合しその形状を真円とし、前記
楕円形の長径と略等しい外径を有するピストンリ
ングとを備えたことを特徴とする内燃機関の楕円
ピストン。[Claims for Utility Model Registration] An elliptical piston having an elliptical cross-sectional shape, from a direction perpendicular to the axis of the cylinder hole with the long axis of the ellipse as the rotation axis, rotation angle = COS − 1 (minor axis of the ellipse/long axis of the ellipse) and a piston ring groove whose cross-sectional shape is a perfect circle when cut by a surface rotated by (minor axis of the ellipse/long axis of the ellipse) and a piston ring groove that fits into the piston ring groove and whose shape is a perfect circle, An elliptical piston for an internal combustion engine, comprising a piston ring having an outer diameter substantially equal to the longer diameter of the ellipse.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988069317U JPH0639167Y2 (en) | 1988-05-27 | 1988-05-27 | Oval piston for internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988069317U JPH0639167Y2 (en) | 1988-05-27 | 1988-05-27 | Oval piston for internal combustion engine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01173563U true JPH01173563U (en) | 1989-12-08 |
JPH0639167Y2 JPH0639167Y2 (en) | 1994-10-12 |
Family
ID=31294597
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988069317U Expired - Lifetime JPH0639167Y2 (en) | 1988-05-27 | 1988-05-27 | Oval piston for internal combustion engine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0639167Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011516790A (en) * | 2008-04-16 | 2011-05-26 | エクゾドゥス アール アンド ディー ピーティーワイ リミテッド | Improved internal combustion engine |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56169455U (en) * | 1980-05-20 | 1981-12-15 | ||
JPS57148034U (en) * | 1981-03-13 | 1982-09-17 | ||
JPS627370A (en) * | 1985-07-01 | 1987-01-14 | Sanken Electric Co Ltd | Dc converter |
JPS6267262A (en) * | 1985-09-18 | 1987-03-26 | Honda Motor Co Ltd | Piston for internal combustion engine |
-
1988
- 1988-05-27 JP JP1988069317U patent/JPH0639167Y2/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56169455U (en) * | 1980-05-20 | 1981-12-15 | ||
JPS57148034U (en) * | 1981-03-13 | 1982-09-17 | ||
JPS627370A (en) * | 1985-07-01 | 1987-01-14 | Sanken Electric Co Ltd | Dc converter |
JPS6267262A (en) * | 1985-09-18 | 1987-03-26 | Honda Motor Co Ltd | Piston for internal combustion engine |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011516790A (en) * | 2008-04-16 | 2011-05-26 | エクゾドゥス アール アンド ディー ピーティーワイ リミテッド | Improved internal combustion engine |
Also Published As
Publication number | Publication date |
---|---|
JPH0639167Y2 (en) | 1994-10-12 |