JPS6231747U - - Google Patents
Info
- Publication number
- JPS6231747U JPS6231747U JP12263185U JP12263185U JPS6231747U JP S6231747 U JPS6231747 U JP S6231747U JP 12263185 U JP12263185 U JP 12263185U JP 12263185 U JP12263185 U JP 12263185U JP S6231747 U JPS6231747 U JP S6231747U
- Authority
- JP
- Japan
- Prior art keywords
- compression ratio
- hydraulic
- control device
- delay means
- mechanism control
- 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 12
- 238000007906 compression Methods 0.000 claims description 12
- 238000009825 accumulation Methods 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 claims 1
- 230000003111 delayed effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Description
第１図は本考案の第１実施例に係る圧縮比可変
機構制御装置の構成図、第２図は本考案の第２実
施例に係る圧縮比可変機構制御装置の構成図、第
３図は従来から知られている圧縮比可変機構の縦
断面図、第４図は第３図の装置の直角方向からみ
た縦断面図、である。
２１…高圧縮比用の油圧通路、２２…低圧縮比
用の油圧通路、２３…油圧切替弁、２４…オイル
ポンプ、２５…オイルパン、２７，２８…分岐油
圧通路、２９，３０…油圧遅延手段としての蓄圧
室、３１，３２…油圧遅延手段としての絞り、＃
１，＃２，＃３，＃４…各気筒。
1 is a block diagram of a variable compression ratio mechanism control device according to a first embodiment of the present invention, FIG. 2 is a block diagram of a variable compression ratio mechanism control device according to a second embodiment of the present invention, and FIG. 3 is a block diagram of a variable compression ratio mechanism control device according to a second embodiment of the present invention. FIG. 4 is a vertical cross-sectional view of a conventionally known variable compression ratio mechanism, and FIG. 4 is a vertical cross-sectional view of the apparatus shown in FIG. 3 as viewed from the right angle direction. 21... Hydraulic passage for high compression ratio, 22... Hydraulic passage for low compression ratio, 23... Hydraulic switching valve, 24... Oil pump, 25... Oil pan, 27, 28... Branch hydraulic passage, 29, 30... Hydraulic delay Pressure accumulator as means, 31, 32...throttle as hydraulic delay means, #
1, #2, #3, #4...each cylinder.
Claims (1)
更する多気筒内燃機関の圧縮比可変機構において
、前記油圧回路のうち、圧縮比切替動作を他の気
筒に比べ遅らせるべく選択された気筒に通じる分
岐油圧通路に、機械的な油圧遅延手段を設けたこ
とを特徴とする圧縮比可変機構制御装置。 (2) 前記油圧遅延手段を蓄圧室から構成した実
用新案登録請求の範囲第１項記載の圧縮比可変機
構制御装置。 (3) 前記油圧遅延手段を絞りから構成した実用
新案登録請求の範囲第１項記載の圧縮比可変機構
制御装置。[Claims for Utility Model Registration] (1) In a compression ratio variable mechanism for a multi-cylinder internal combustion engine that changes the compression ratio by switching a hydraulic circuit, the compression ratio switching operation in the hydraulic circuit is delayed compared to other cylinders. 1. A variable compression ratio mechanism control device, characterized in that a mechanical hydraulic pressure delay means is provided in a branch hydraulic passage leading to a selected cylinder. (2) The compression ratio variable mechanism control device according to claim 1, wherein the hydraulic pressure delay means is constituted by a pressure accumulation chamber. (3) The variable compression ratio mechanism control device according to claim 1, wherein the hydraulic delay means is constituted by a throttle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12263185U JPS6231747U (en) | 1985-08-12 | 1985-08-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12263185U JPS6231747U (en) | 1985-08-12 | 1985-08-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6231747U true JPS6231747U (en) | 1987-02-25 |
Family
ID=31013001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12263185U Pending JPS6231747U (en) | 1985-08-12 | 1985-08-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6231747U (en) |
-
1985
- 1985-08-12 JP JP12263185U patent/JPS6231747U/ja active Pending
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