JPS6087354U - internal combustion engine piston - Google Patents
internal combustion engine pistonInfo
- Publication number
- JPS6087354U JPS6087354U JP17956383U JP17956383U JPS6087354U JP S6087354 U JPS6087354 U JP S6087354U JP 17956383 U JP17956383 U JP 17956383U JP 17956383 U JP17956383 U JP 17956383U JP S6087354 U JPS6087354 U JP S6087354U
- Authority
- JP
- Japan
- Prior art keywords
- internal combustion
- combustion engine
- piston
- groove
- engine piston
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
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
の側面図、第２図は第１図のピストンのピストンスカー
ト部の部分断面図、第３図は溝を第２図と変化させた場
合のピストンスカート部の部分断面図、第４図は溝番第
２図または第３図と変化させた場合のピストンスカート
部の部分断面図、第５図は本考案の第２実施例に係る内
燃機関のピストンの側面図、第６図は本考案の第３実施
例に係る内燃機関のピストンの側面図、第７図は摩擦特
性図、第８図はエンジン回転数と機関摩擦損失の関係図
、である。
１・・・・・・ピストン、６・・・・・・ピストンスカ
ート部、８・・・・・・溝。
−第５図
第６図Fig. 1 is a side view of a piston for an internal combustion engine according to the first embodiment of the present invention, Fig. 2 is a partial sectional view of the piston skirt of the piston shown in Fig. 1, and Fig. 3 shows the grooves changed from Fig. 2. FIG. 4 is a partial sectional view of the piston skirt section when the groove number is changed from FIG. 2 or 3, and FIG. 5 is a second embodiment of the present invention. FIG. 6 is a side view of the piston of the internal combustion engine according to the third embodiment of the present invention, FIG. 7 is a friction characteristic diagram, and FIG. 8 is the engine rotation speed and engine friction loss. This is a relationship diagram. 1...Piston, 6...Piston skirt, 8...Groove. -Figure 5Figure 6
Claims (3)
リンダボア内周面に摺接するピストンスカート部とから
成る内燃機関のピストンにおいて、前記ピストンスカー
ト部の外周面全域に、順目および逆目にらせん状に延び
かつ互にクロスする多数の溝を不等ピッチで設けたこと
を特徴とする内燃機関のピストン。(1) In a piston for an internal combustion engine, which is composed of a piston head portion in which a ring groove is formed and a piston skirt portion that is in sliding contact with the inner circumferential surface of the cylinder bore, the entire outer circumferential surface of the piston skirt portion is provided with a spiral pattern in a normal and reverse direction. A piston for an internal combustion engine characterized by having a large number of grooves extending at unequal pitches and intersecting with each other.
面の面積減少率が２０〜８０％の範囲になるように設定
した実用新案登録請求の範囲第１項記載の内燃機関のピ
ストン。(2) A piston for an internal combustion engine according to claim 1, wherein the groove width and groove pitch of the groove are set so that the area reduction rate of the sliding surface to the cylinder bore is in the range of 20 to 80%. .
新案登録請求の範囲第１項記載の内燃機関のピ(3) The internal combustion engine according to claim 1, wherein the depth of the groove is in the range of 15 to 150μ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17956383U JPS6087354U (en) | 1983-11-22 | 1983-11-22 | internal combustion engine piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17956383U JPS6087354U (en) | 1983-11-22 | 1983-11-22 | internal combustion engine piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6087354U true JPS6087354U (en) | 1985-06-15 |
Family
ID=30389570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17956383U Pending JPS6087354U (en) | 1983-11-22 | 1983-11-22 | internal combustion engine piston |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6087354U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016113926A (en) * | 2014-12-12 | 2016-06-23 | アイシン精機株式会社 | Internal combustion engine piston and internal combustion engine piston manufacturing method |
-
1983
- 1983-11-22 JP JP17956383U patent/JPS6087354U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016113926A (en) * | 2014-12-12 | 2016-06-23 | アイシン精機株式会社 | Internal combustion engine piston and internal combustion engine piston manufacturing method |
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