JPS63196446U - - Google Patents
Info
- Publication number
- JPS63196446U JPS63196446U JP8736087U JP8736087U JPS63196446U JP S63196446 U JPS63196446 U JP S63196446U JP 8736087 U JP8736087 U JP 8736087U JP 8736087 U JP8736087 U JP 8736087U JP S63196446 U JPS63196446 U JP S63196446U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- liquid chamber
- compression ratio
- inner piston
- outer 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
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Output Control And Ontrol Of Special Type Engine (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第１図はこの考案に係る圧縮比可変装置の一実
施例における高圧縮比状態を示す要部断面図、第
２図はこの実施例の低圧縮比状態を示す要部断面
図、第３図は従来の圧縮比可変装置を示す全体構
成図である。
２１……アウタピストン、２２……円環部（下
端部）、２２ａ……上面（対向面）、２４……コ
ンロツド、２９……インナピストン、３０……下
端部、３０ａ……下面（対向面）、３１……上部
液室、３２……下部液室、４４，４５……永久磁
石。
FIG. 1 is a cross-sectional view of the main part of an embodiment of the variable compression ratio device according to this invention showing a high compression ratio state, FIG. 2 is a cross-sectional view of the main part of this embodiment showing a low compression ratio state, and FIG. 1 is an overall configuration diagram showing a conventional variable compression ratio device. 21... Outer piston, 22... Annular part (lower end), 22a... Upper surface (opposing surface), 24... Connecting rod, 29... Inner piston, 30... Lower end, 30a... Lower surface (opposing surface) ), 31... upper liquid chamber, 32... lower liquid chamber, 44, 45... permanent magnet.
Claims (1)
に、アウタピストンを軸方向へ摺動可能に被嵌す
ると共に、該アウタピストンとインナピストンと
の間に形成された上部液室及び下部液室の相対的
な容積変化を得て圧縮比を可変にする装置におい
て、上記下部液室を構成する上記アウタピストン
とインナピストンの各下端部の対向面夫々に、同
極を対向させた磁石を設けたことを特徴とする内
燃機関の圧縮比可変装置。 The outer piston is slidably fitted in the axial direction on the outer periphery of the inner piston connected to the conrod, and the upper liquid chamber and lower liquid chamber formed between the outer piston and the inner piston are arranged relative to each other. A device for varying the compression ratio by obtaining a volume change, characterized in that magnets with the same polarity facing each other are provided on opposing surfaces of the lower end portions of the outer piston and the inner piston that constitute the lower liquid chamber. Compression ratio variable device for internal combustion engines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8736087U JPS63196446U (en) | 1987-06-05 | 1987-06-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8736087U JPS63196446U (en) | 1987-06-05 | 1987-06-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63196446U true JPS63196446U (en) | 1988-12-16 |
Family
ID=30944495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8736087U Pending JPS63196446U (en) | 1987-06-05 | 1987-06-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63196446U (en) |
-
1987
- 1987-06-05 JP JP8736087U patent/JPS63196446U/ja active Pending