JPS5832151U - Piston with variable compression ratio mechanism - Google Patents
Piston with variable compression ratio mechanismInfo
- Publication number
- JPS5832151U JPS5832151U JP12644481U JP12644481U JPS5832151U JP S5832151 U JPS5832151 U JP S5832151U JP 12644481 U JP12644481 U JP 12644481U JP 12644481 U JP12644481 U JP 12644481U JP S5832151 U JPS5832151 U JP S5832151U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- compression ratio
- variable compression
- ratio mechanism
- eccentric bushing
- 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
Landscapes
- Output Control And Ontrol Of Special Type Engine (AREA)
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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の−・実施例に係る可変圧縮比機構付ピ
ストンの断面図、第２図は本名訟に係るピストンの軌跡
図、である。
１・・・ピストン、２・・・ピストンピン、３・・・コ
ネクティングロッド、４・・・偏心ブツシュ、５・・・
軸受孔、６・・・軸受、７，８・・・爪、９，１０・・
・爪迎入穴、１１・・・スプリング、１２・・・圧油室
、１３，１４゜１５・・・油通路、１６・・・環状溝、
１Ｂ、 １９． ２０・・・ビ゛ストン軌跡。FIG. 1 is a sectional view of a piston with a variable compression ratio mechanism according to an embodiment of the present invention, and FIG. 2 is a trajectory diagram of the piston according to the present invention. DESCRIPTION OF SYMBOLS 1... Piston, 2... Piston pin, 3... Connecting rod, 4... Eccentric bushing, 5...
Bearing hole, 6... Bearing, 7, 8... Claw, 9, 10...
・Claw reception hole, 11... Spring, 12... Pressure oil chamber, 13, 14° 15... Oil passage, 16... Annular groove,
1B, 19. 20...Viston trajectory.
Claims (1)
心ブツシュの外周をコネクティングロッドのスモールエ
ンドの軸受孔に摺動自在に嵌挿し、ピストンピンの両端
部をピストンに摺動自在に嵌合し、偏心ブツシュとピス
トンの何れか一方に爪を他方に該爪の迎入穴を前記偏心
を上下位置で固定させる如く設け、ピストンピンを軸方
向にスプリングで付勢するとともに逆方向にオンオフに
切換可能な油圧を加えたことを特徴とする可変圧縮比機
構付ピストン。An eccentric bushing is fixed to the center of the piston pin, and the outer periphery of the eccentric bushing is slidably fitted into the bearing hole of the small end of the connecting rod, and both ends of the piston pin are slidably fitted to the piston. A pawl is provided on one of the eccentric bushing and the piston, and a receiving hole for the pawl is provided on the other such that the eccentric is fixed in the vertical position, and the piston pin is biased in the axial direction by a spring and switched on and off in the opposite direction. A piston with a variable compression ratio mechanism that is characterized by the addition of possible hydraulic pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12644481U JPS5832151U (en) | 1981-08-28 | 1981-08-28 | Piston with variable compression ratio mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12644481U JPS5832151U (en) | 1981-08-28 | 1981-08-28 | Piston with variable compression ratio mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5832151U true JPS5832151U (en) | 1983-03-02 |
Family
ID=29920231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12644481U Pending JPS5832151U (en) | 1981-08-28 | 1981-08-28 | Piston with variable compression ratio mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5832151U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03213629A (en) * | 1990-01-17 | 1991-09-19 | Mitsubishi Motors Corp | Variable compression ratio device of internal combustion engine |
-
1981
- 1981-08-28 JP JP12644481U patent/JPS5832151U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03213629A (en) * | 1990-01-17 | 1991-09-19 | Mitsubishi Motors Corp | Variable compression ratio device of internal combustion engine |
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