JPH0272349U - - Google Patents
Info
- Publication number
- JPH0272349U JPH0272349U JP14906488U JP14906488U JPH0272349U JP H0272349 U JPH0272349 U JP H0272349U JP 14906488 U JP14906488 U JP 14906488U JP 14906488 U JP14906488 U JP 14906488U JP H0272349 U JPH0272349 U JP H0272349U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- side cut
- combustion engine
- internal combustion
- oil supply
- 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 3
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第1図は本考案の一実施例に係る内燃機関のピ
ストンの正面図、第2図は第1図のピストンの底
面図、第3図は第1図のピストンの下降時のオイ
ル流動状態を示す部分断面図、である。
1…ピストン、2…シリンダボア、3…ピスト
ンスカート、4…ピストンピン、5…ピストンピ
ン穴、6,6a,6b…サイドカツト部、7…オ
イル供給溝、8…オイル排出溝、9…ピストンピ
ンの内部穴。
Fig. 1 is a front view of a piston of an internal combustion engine according to an embodiment of the present invention, Fig. 2 is a bottom view of the piston of Fig. 1, and Fig. 3 shows the oil flow state when the piston of Fig. 1 is lowered. FIG. 1...Piston, 2...Cylinder bore, 3...Piston skirt, 4...Piston pin, 5...Piston pin hole, 6, 6a, 6b...Side cut portion, 7...Oil supply groove, 8...Oil discharge groove, 9...Piston pin Internal hole.
Claims (1)
カツト部を有する内燃機関のピストンにおいて、
ピストン外周面に、前記サイドカツト部の下端側
部に連通しピストンスカート下端に開口するオイ
ル供給溝を設け、該オイル供給溝を、その断面積
がサイドカツト部下端からピストンスカート下端
にいくに従つて大きくなるように形成したことを
特徴とする内燃機関のピストン。 In an internal combustion engine piston that has a side cut portion around the piston pin hole on the outer circumferential surface of the piston,
An oil supply groove is provided on the outer peripheral surface of the piston that communicates with the lower end side of the side cut portion and opens at the lower end of the piston skirt, and the cross-sectional area of the oil supply groove increases as it goes from the lower end of the side cut to the lower end of the piston skirt. A piston for an internal combustion engine, characterized in that it is formed so as to be.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14906488U JPH0272349U (en) | 1988-11-17 | 1988-11-17 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14906488U JPH0272349U (en) | 1988-11-17 | 1988-11-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0272349U true JPH0272349U (en) | 1990-06-01 |
Family
ID=31420953
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14906488U Pending JPH0272349U (en) | 1988-11-17 | 1988-11-17 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0272349U (en) |
-
1988
- 1988-11-17 JP JP14906488U patent/JPH0272349U/ja active Pending