JPH01113129U - - Google Patents
Info
- Publication number
- JPH01113129U JPH01113129U JP864688U JP864688U JPH01113129U JP H01113129 U JPH01113129 U JP H01113129U JP 864688 U JP864688 U JP 864688U JP 864688 U JP864688 U JP 864688U JP H01113129 U JPH01113129 U JP H01113129U
- Authority
- JP
- Japan
- Prior art keywords
- toppland
- combustion chamber
- ring
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 1
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
第１図〜第３図は本考案の実施例を例示し、第
１図はエンジンの縦断正面図、第２図はピストン
の平面図、第３図は同縦断側面図である。第４図
は変形例におけるピストンの要部縦断側面図であ
る。第５図および第６図は別の変形例を示し、第
５図はピストンの平面図、第６図は同縦断側面図
である。第７図〜第９図は別の変形例を示し、第
７図はエンジンの縦断正面図、第８図はピストン
の平面図、第９図は同縦断側面図である。
４……ピストン、６……燃焼室、２１……リン
グ部、２２……トツプランド部、２３……空気室
、２４……補強リブ。
1 to 3 illustrate an embodiment of the present invention, in which FIG. 1 is a longitudinal sectional front view of an engine, FIG. 2 is a plan view of a piston, and FIG. 3 is a longitudinal sectional side view thereof. FIG. 4 is a longitudinal sectional side view of the main part of the piston in a modified example. 5 and 6 show another modification, with FIG. 5 being a plan view of the piston, and FIG. 6 being a longitudinal sectional side view thereof. 7 to 9 show another modification, in which FIG. 7 is a longitudinal sectional front view of the engine, FIG. 8 is a plan view of the piston, and FIG. 9 is a longitudinal sectional side view of the engine. 4...Piston, 6...Combustion chamber, 21...Ring part, 22...Totsuprand part, 23...Air chamber, 24...Reinforcement rib.
Claims (1)
グ部よりも燃焼室側に設けられたトツプランド部
とを備えたエンジンのピストン構造において、上
記トツプランド部の下部にトツプランド部の内方
に凹陥しかつ上記燃焼室に連通する空気室を設け
るとともに、該空気室の燃焼室側のトツプランド
部とリング部側のトツプランド部とを連結する補
強リブを設けたことを特徴とするエンジンのピス
トン構造。 In an engine piston structure that includes a ring portion into which a piston ring is inserted and a toppland portion provided closer to the combustion chamber than the ring portion, a lower part of the toppland portion is recessed inwardly and the combustion 1. A piston structure for an engine, characterized in that an air chamber communicating with the combustion chamber is provided, and a reinforcing rib is provided to connect a toppland portion on the combustion chamber side and a toppland portion on the ring portion side of the air chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP864688U JPH01113129U (en) | 1988-01-25 | 1988-01-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP864688U JPH01113129U (en) | 1988-01-25 | 1988-01-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01113129U true JPH01113129U (en) | 1989-07-31 |
Family
ID=31214709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP864688U Pending JPH01113129U (en) | 1988-01-25 | 1988-01-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01113129U (en) |
-
1988
- 1988-01-25 JP JP864688U patent/JPH01113129U/ja active Pending