JPH0261165U - - Google Patents
Info
- Publication number
- JPH0261165U JPH0261165U JP13922888U JP13922888U JPH0261165U JP H0261165 U JPH0261165 U JP H0261165U JP 13922888 U JP13922888 U JP 13922888U JP 13922888 U JP13922888 U JP 13922888U JP H0261165 U JPH0261165 U JP H0261165U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- elliptical
- top surface
- oval
- circumference
- 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.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 description 1
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第１図は本考案による楕円ピストンの外観斜視
図、第２図は第１図矢印方向より見たピストン
側面図、第３図は第２図と同一方向より見た従来
ピストンの側面図、第４図は第２図と異なるピス
トン頂面形成を示すピストン側面図、第５図は第
１図と異なるピストン頂面を有する別実施例とし
てのピストン外観斜視図。
１……ピストン、２……頂面、８……周縁。
Fig. 1 is an external perspective view of the elliptical piston according to the present invention, Fig. 2 is a side view of the piston seen from the direction of the arrow in Fig. 1, Fig. 3 is a side view of the conventional piston seen from the same direction as Fig. 2, 4 is a side view of a piston showing a piston top surface formation different from that in FIG. 2, and FIG. 5 is an external perspective view of a piston as another embodiment having a piston top surface different from that in FIG. 1. 1... Piston, 2... Top surface, 8... Periphery.
Claims (1)
及びシリンダを備え、燃焼室上壁中央に点火栓を
配したエンジンにおいて、 上記ピストンを、ピストン短径方向より見て、
ピストン頂面の周縁が凹状に湾曲するように形成
したことを特徴とする楕円、又は長円形ピストン
構造。[Claims for Utility Model Registration] In an engine equipped with a piston and a cylinder whose cross section is elliptical or oval, and an ignition plug arranged in the center of the upper wall of the combustion chamber, the piston is viewed from the direction of the short diameter of the piston,
An elliptical or oblong piston structure characterized in that the circumference of the top surface of the piston is curved concavely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988139228U JP2522910Y2 (en) | 1988-10-27 | 1988-10-27 | Oval or oblong piston structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988139228U JP2522910Y2 (en) | 1988-10-27 | 1988-10-27 | Oval or oblong piston structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0261165U true JPH0261165U (en) | 1990-05-07 |
| JP2522910Y2 JP2522910Y2 (en) | 1997-01-22 |
Family
ID=31402293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988139228U Expired - Lifetime JP2522910Y2 (en) | 1988-10-27 | 1988-10-27 | Oval or oblong piston structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2522910Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008010490A1 (en) * | 2006-07-18 | 2008-01-24 | Univ Shizuoka Nat Univ Corp | Cycloid reciprocating engine and pump employing this crank mechanism |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5620042U (en) * | 1979-07-21 | 1981-02-21 |
-
1988
- 1988-10-27 JP JP1988139228U patent/JP2522910Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5620042U (en) * | 1979-07-21 | 1981-02-21 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008010490A1 (en) * | 2006-07-18 | 2008-01-24 | Univ Shizuoka Nat Univ Corp | Cycloid reciprocating engine and pump employing this crank mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2522910Y2 (en) | 1997-01-22 |