JPH0243440U - - Google Patents
Info
- Publication number
- JPH0243440U JPH0243440U JP12295788U JP12295788U JPH0243440U JP H0243440 U JPH0243440 U JP H0243440U JP 12295788 U JP12295788 U JP 12295788U JP 12295788 U JP12295788 U JP 12295788U JP H0243440 U JPH0243440 U JP H0243440U
- Authority
- JP
- Japan
- Prior art keywords
- eccentric
- internal gear
- crank pin
- engine body
- crankshaft
- 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
- 230000006835 compression Effects 0.000 claims 2
- 238000007906 compression Methods 0.000 claims 2
- 238000010411 cooking Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Output Control And Ontrol Of Special Type Engine (AREA)
Description
図面はこの考案の一実施例を示すもので、第１
図はエンジン本体の要部の概略構成を示す縦断面
図、第２図は偏心ブツシユを示す斜視図、第３図
は内部歯車の取付け状態を示す概略構成図、第４
図はピストンの往復動作時の偏心ブツシユの回転
状態を示す概略構成図、第５図はピストンのスト
ロークの変化状態を示す要部の概略構成図、第６
図は偏心ブツシユを示す平面図である。
１……エンジン本体、５……ピストン、６……
コンロツド、７……クランクピン、８……大端部
、９……偏心ブツシユ、１２……内部歯車、１３
……クランクケース（固定部）、１５……回動リ
ング、１６……噛合部。
The drawing shows one embodiment of this invention.
The figure is a vertical cross-sectional view showing the schematic structure of the main parts of the engine body, Figure 2 is a perspective view showing the eccentric bushing, Figure 3 is a schematic configuration diagram showing the installed state of the internal gear, and Figure 4
The figure is a schematic configuration diagram showing the rotational state of the eccentric bushing during reciprocating movement of the piston, FIG.
The figure is a plan view showing the eccentric bush. 1...Engine body, 5...Piston, 6...
Conn rod, 7... Crank pin, 8... Big end, 9... Eccentric bushing, 12... Internal gear, 13
... Crank case (fixed part), 15 ... Rotating ring, 16 ... Meshing part.
Claims (1)
とクランク軸のクランクピンとの間に介挿され、
前記コンロツドの大端部の中心線位置に対して前
記クランクピンの中心線位置を偏心させる偏心ブ
ツシユと、この偏心ブツシユに一体的に設けられ
た内部歯車と、内周部位にこの内部歯車と噛合し
て前記クランク軸の回転動作中、前記クランクピ
ンの回転をガイドする噛合部を備え、前記エンジ
ン本体の固定部に所定角度回動自在に装着された
回動リングと、この回動リングの回動操作にとも
ない前記偏心ブツシユの偏心方向を変化させ、前
記ピストンストローク変化にともない前記エンジ
ン本体の圧縮比を調整する圧縮比調整機構とを具
備したことを特徴とするエンジン構造。 It is inserted between the large end of the connecting rod of the piston of the engine body and the crank pin of the crankshaft,
an eccentric bushing that makes the centerline position of the crank pin eccentric with respect to the centerline position of the large end of the cooking stove; an internal gear integrally provided with the eccentric bushing; and an internal gear meshing with the internal gear at an inner peripheral portion. a rotary ring that is provided with a meshing portion that guides the rotation of the crank pin during rotation of the crankshaft, and that is attached to a fixed portion of the engine body so as to be rotatable by a predetermined angle; 1. An engine structure comprising: a compression ratio adjustment mechanism that changes the eccentric direction of the eccentric bush as the piston stroke changes, and adjusts the compression ratio of the engine body as the piston stroke changes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12295788U JPH0717797Y2 (en) | 1988-09-20 | 1988-09-20 | Engine structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12295788U JPH0717797Y2 (en) | 1988-09-20 | 1988-09-20 | Engine structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0243440U true JPH0243440U (en) | 1990-03-26 |
| JPH0717797Y2 JPH0717797Y2 (en) | 1995-04-26 |
Family
ID=31371369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12295788U Expired - Lifetime JPH0717797Y2 (en) | 1988-09-20 | 1988-09-20 | Engine structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0717797Y2 (en) |
-
1988
- 1988-09-20 JP JP12295788U patent/JPH0717797Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0717797Y2 (en) | 1995-04-26 |
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