JPS63151951U - - Google Patents
Info
- Publication number
- JPS63151951U JPS63151951U JP4468287U JP4468287U JPS63151951U JP S63151951 U JPS63151951 U JP S63151951U JP 4468287 U JP4468287 U JP 4468287U JP 4468287 U JP4468287 U JP 4468287U JP S63151951 U JPS63151951 U JP S63151951U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- pin boss
- strut
- thermal expansion
- boss portion
- 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 2
- 229910000838 Al alloy Inorganic materials 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第１図はこの考案に係る内燃機関のピストンの
一実施例を一部断面に示す正面図、第２図は第１
図の―線断面図、第３図Ａ，Ｂ，Ｃは本実施
例の筒状ストラツト部とピンボス部の鋳込成形時
と凝固時と機関運転中の夫々の熱変形状態を示す
説明図、第４図Ａは従来のピストンを一部断面し
て示す正面図、同図Ｂは第４図Ａの―線断面
図、第５図は第４図Ｂの―線を断面してスカ
ート部の冷却時における変形状態を示す説明図、
第６図は同スカート部の機関運転時における変形
状態を示す説明図である。
１……ピストン、２……スカート部、３……ス
トラツト、５，６……ピンボス部、１１……筒状
ストラツト部。
FIG. 1 is a partially sectional front view of an embodiment of the piston of an internal combustion engine according to this invention, and FIG.
3A, B, and C are explanatory diagrams showing the thermal deformation states of the cylindrical strut portion and pin boss portion of this embodiment during casting, solidification, and engine operation, respectively; Fig. 4A is a partially sectional front view of a conventional piston, Fig. 4B is a sectional view taken along the - line in Fig. 4A, and Fig. 5 is a sectional view taken along the - line in Fig. 4B, showing the skirt portion. An explanatory diagram showing the deformation state during cooling,
FIG. 6 is an explanatory diagram showing the deformed state of the skirt portion during engine operation. DESCRIPTION OF SYMBOLS 1... Piston, 2... Skirt part, 3... Strut, 5, 6... Pin boss part, 11... Cylindrical strut part.
Claims (1)
行なうようにしたアルミ合金製のピストン構造に
おいて、該ピストンのピンボス部の外周に、該ピ
ンボス部の熱膨張を制御する筒状ストラツト部を
被嵌したことを特徴とする内燃機関のピストン。 In an aluminum alloy piston structure in which thermal expansion is controlled by providing a strut in the skirt portion, a cylindrical strut portion for controlling thermal expansion of the pin boss portion is fitted around the outer periphery of the pin boss portion of the piston. A piston for an internal combustion engine featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4468287U JPS63151951U (en) | 1987-03-26 | 1987-03-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4468287U JPS63151951U (en) | 1987-03-26 | 1987-03-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63151951U true JPS63151951U (en) | 1988-10-05 |
Family
ID=30862723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4468287U Pending JPS63151951U (en) | 1987-03-26 | 1987-03-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63151951U (en) |
-
1987
- 1987-03-26 JP JP4468287U patent/JPS63151951U/ja active Pending
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