JPH0487947U - - Google Patents
Info
- Publication number
- JPH0487947U JPH0487947U JP40288090U JP40288090U JPH0487947U JP H0487947 U JPH0487947 U JP H0487947U JP 40288090 U JP40288090 U JP 40288090U JP 40288090 U JP40288090 U JP 40288090U JP H0487947 U JPH0487947 U JP H0487947U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- cut portion
- side cut
- internal combustion
- pin hole
- 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 5
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Finishing Walls (AREA)
Description
第１図は本考案による内燃機関用ピストンの一
つの実施例を示す正面図、第２図は第１図に示さ
れた内燃機関用ピストンの側面図、第３図は第１
図の線−に沿う断面図、第４図は本考案によ
る内燃機関用ピストンの他の実施例を示す正面図
、第５図は第４図の線−に沿う断面図である
。
１０……ピストン、１２……ピストン頂部、１
４……スカート部、１６……トツプリング溝、１
８……セカンドリング溝、２０……オイルリング
溝、２２……ピストンピン孔、２４……サイドカ
ツト部、２６……正面壁、２７……上縁端面、２
７ａ……傾斜面、２７ｂ……円弧面、２８……ピ
ストン内部空間、２９……天井面、３０……オイ
ル通路、３２……ピストン外周面、３４……溝、
４０……ピストンピン、４２……オイル通路。
FIG. 1 is a front view showing one embodiment of a piston for an internal combustion engine according to the present invention, FIG. 2 is a side view of the piston for an internal combustion engine shown in FIG. 1, and FIG.
FIG. 4 is a front view showing another embodiment of a piston for an internal combustion engine according to the present invention, and FIG. 5 is a sectional view taken along line - in FIG. 4. 10... Piston, 12... Piston top, 1
4... Skirt portion, 16... Top spring groove, 1
8... Second ring groove, 20... Oil ring groove, 22... Piston pin hole, 24... Side cut portion, 26... Front wall, 27... Upper edge end surface, 2
7a... Inclined surface, 27b... Arc surface, 28... Piston internal space, 29... Ceiling surface, 30... Oil passage, 32... Piston outer peripheral surface, 34... Groove,
40... Piston pin, 42... Oil passage.
Claims (1)
口端の周りに延在しピストン外周面より窪んだサ
イドカツト部を有する内燃機関用ピストンに於て
、前記サイドカツト部の正面壁の上部にピストン
内部空間と連通するオイル通路を有し、前記サイ
ドカツト部の上縁端面が前記オイル通路に対し傾
斜し且前記ピストンピン孔の開口端の周りの上側
を取囲んで延在してＶ形をなしていることを特徴
とする内燃機関用ピストン。 In an internal combustion engine piston having a side cut portion extending around the open end of a piston pin hole opened in the piston outer circumferential surface and recessed from the piston outer circumferential surface, an upper part of the front wall of the side cut portion communicates with the piston internal space. and an upper edge end surface of the side cut portion is inclined with respect to the oil passage and extends to surround the upper side of the opening end of the piston pin hole to form a V-shape. Pistons for internal combustion engines with special features.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP40288090U JPH0487947U (en) | 1990-12-11 | 1990-12-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP40288090U JPH0487947U (en) | 1990-12-11 | 1990-12-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0487947U true JPH0487947U (en) | 1992-07-30 |
Family
ID=31880731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP40288090U Pending JPH0487947U (en) | 1990-12-11 | 1990-12-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0487947U (en) |
-
1990
- 1990-12-11 JP JP40288090U patent/JPH0487947U/ja active Pending