JPH0246039U - - Google Patents
Info
- Publication number
- JPH0246039U JPH0246039U JP12342588U JP12342588U JPH0246039U JP H0246039 U JPH0246039 U JP H0246039U JP 12342588 U JP12342588 U JP 12342588U JP 12342588 U JP12342588 U JP 12342588U JP H0246039 U JPH0246039 U JP H0246039U
- Authority
- JP
- Japan
- Prior art keywords
- sun gear
- gear
- crankshaft
- attached
- eccentric bearing
- 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 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
Description
第１図は本考案の一実施例に係る内燃機関の圧
縮比可変機構の要部断面図、第２図は第１図の
―線に沿う断面図、第３図は第１図の角度調整
手段の概略構成図、第４図は第１図の装置の高圧
縮比状態におけるピストンの動きの変化を示した
特性図、第５図は第１図の装置の低圧縮比状態に
おけるピストンの動きの変化を示した特性図、で
ある。
２……ピストン、４……コネクテイングロツド
、６……クランクシヤフト、７……クランクピン
、８……偏心ベアリング、９……太陽歯車、１０
……遊星歯車、１４……角度調整手段、１９……
ＥＣＵ（電子制御装置）。
Fig. 1 is a cross-sectional view of a main part of a compression ratio variable mechanism for an internal combustion engine according to an embodiment of the present invention, Fig. 2 is a cross-sectional view taken along the line - in Fig. 1, and Fig. 3 is an angle adjustment diagram of Fig. 1. A schematic configuration diagram of the means; FIG. 4 is a characteristic diagram showing changes in the movement of the piston in the high compression ratio state of the device in FIG. 1; FIG. 5 is a characteristic diagram showing the movement of the piston in the low compression ratio state of the device in FIG. 1. 2 is a characteristic diagram showing changes in . 2... Piston, 4... Connecting rod, 6... Crankshaft, 7... Crank pin, 8... Eccentric bearing, 9... Sun gear, 10
... Planetary gear, 14 ... Angle adjustment means, 19 ...
ECU (electronic control unit).
Claims (1)
ランクピンとの間に、内周と外周とを互いに偏心
させた偏心ベアリングを回転可能に介装し、該偏
心ベアリングに、前記クランクシヤフトの軸心に
位置する太陽歯車と噛合う遊星歯車を取付け、前
記太陽歯車に、該太陽歯車の静止角度を調整する
角度調整手段を連結し、前記太陽歯車と遊星歯車
のギヤ比を１：２としたことを特徴とする内燃機
関の圧縮比可変機構。 An eccentric bearing having an inner circumference and an outer circumference eccentric to each other is rotatably interposed between the connecting rod and the crank pin of the crankshaft, and a sun gear located at the axis of the crankshaft is attached to the eccentric bearing. An internal combustion engine characterized in that a planetary gear meshing with the sun gear is attached, an angle adjustment means for adjusting the rest angle of the sun gear is connected to the sun gear, and a gear ratio of the sun gear and the planetary gear is 1:2. Engine compression ratio variable mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12342588U JPH0246039U (en) | 1988-09-22 | 1988-09-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12342588U JPH0246039U (en) | 1988-09-22 | 1988-09-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0246039U true JPH0246039U (en) | 1990-03-29 |
Family
ID=31372266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12342588U Pending JPH0246039U (en) | 1988-09-22 | 1988-09-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0246039U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018532940A (en) * | 2015-10-22 | 2018-11-08 | ゴメクシス・ベーフェー | A heat engine provided with a system for changing the compression ratio |
| JP2023051618A (en) * | 2021-09-30 | 2023-04-11 | 本田技研工業株式会社 | Variable compression ratio device |
-
1988
- 1988-09-22 JP JP12342588U patent/JPH0246039U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018532940A (en) * | 2015-10-22 | 2018-11-08 | ゴメクシス・ベーフェー | A heat engine provided with a system for changing the compression ratio |
| JP2023051618A (en) * | 2021-09-30 | 2023-04-11 | 本田技研工業株式会社 | Variable compression ratio device |
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