JPH0332105U - - Google Patents
Info
- Publication number
- JPH0332105U JPH0332105U JP9217789U JP9217789U JPH0332105U JP H0332105 U JPH0332105 U JP H0332105U JP 9217789 U JP9217789 U JP 9217789U JP 9217789 U JP9217789 U JP 9217789U JP H0332105 U JPH0332105 U JP H0332105U
- Authority
- JP
- Japan
- Prior art keywords
- sensing means
- pressure sensing
- diesel engine
- valve body
- valve
- 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 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Valve Device For Special Equipments (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Description
図は本考案によるデイーゼル機関の圧縮比可変
機構の一実施例を示すものであつて、第１図は排
気弁の油圧系統図、第２図はカムの一部拡大図、
第３図はカムリフト線図、第４図ａ，ｂは機関性
能比較図である。
１…油圧ポンプ、２…排気弁、３…カム、４…
高圧管、５，９…逆止弁、６…アクチユエータ、
７…コントロール弁、８…制御装置、１０…コン
トロール管、１１…ロジツク弁、１２…コントロ
ール枝管、１３…供給主管、１４…供給弁、１５
…戻り管、１６…連通管、１７…絞り弁。
The figures show an embodiment of the variable compression ratio mechanism for a diesel engine according to the present invention, in which Figure 1 is a hydraulic system diagram of an exhaust valve, Figure 2 is a partially enlarged view of a cam,
Figure 3 is a cam lift diagram, and Figures 4a and 4b are engine performance comparison diagrams. 1...Hydraulic pump, 2...Exhaust valve, 3...Cam, 4...
High pressure pipe, 5, 9... Check valve, 6... Actuator,
7...Control valve, 8...Control device, 10...Control pipe, 11...Logic valve, 12...Control branch pipe, 13...Main supply pipe, 14...Supply valve, 15
...return pipe, 16...communication pipe, 17...throttle valve.
Claims (1)
してアクチユエータに導いて排気弁を開閉するよ
うにしたデイーゼル機関において、 前記高圧管に逆止弁を介して接続され、制御装
置で駆動される圧力検知手段とを設けるとともに
、前記アクチユエータに一端が連通され他端が前
記油圧ポンプに連通された戻り管に前記圧力検知
手段の弁体を設け、前記圧力検知手段の信号によ
り前記弁体を開閉するように構成したデイーゼル
機関の圧縮比可変機構。[Scope of Claim for Utility Model Registration] In a diesel engine in which a hydraulic pump is actuated by a cam and guided to an actuator via a high-pressure pipe to open and close an exhaust valve, the diesel engine is connected to the high-pressure pipe via a check valve, A pressure sensing means driven by a control device is provided, and a valve body of the pressure sensing means is provided in a return pipe whose one end communicates with the actuator and the other end communicates with the hydraulic pump, and a valve body of the pressure sensing means is provided to detect a signal from the pressure sensing means. A compression ratio variable mechanism for a diesel engine configured to open and close the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9217789U JPH0332105U (en) | 1989-08-07 | 1989-08-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9217789U JPH0332105U (en) | 1989-08-07 | 1989-08-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0332105U true JPH0332105U (en) | 1991-03-28 |
Family
ID=31641617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9217789U Pending JPH0332105U (en) | 1989-08-07 | 1989-08-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0332105U (en) |
-
1989
- 1989-08-07 JP JP9217789U patent/JPH0332105U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0332105U (en) | ||
| JPS603436A (en) | Exhaust brake system | |
| JPS6338339Y2 (en) | ||
| JPS61160204U (en) | ||
| JPS61140143U (en) | ||
| JPS6148940U (en) | ||
| JPH023002U (en) | ||
| JPH046738U (en) | ||
| JPH0327844U (en) | ||
| JPH0392512U (en) | ||
| JPH0158740U (en) | ||
| JPS6257713U (en) | ||
| JPS6236238U (en) | ||
| JPH03106145U (en) | ||
| JPS60187331U (en) | Internal combustion engine supercharging device | |
| JPH02119907U (en) | ||
| JPS61159640U (en) | ||
| JPH0276168U (en) | ||
| JPH01102437U (en) | ||
| JPS61182372U (en) | ||
| JPH02149837U (en) | ||
| JPH0388056U (en) | ||
| JPS6322354U (en) | ||
| JPS6439938U (en) | ||
| JPH0237260U (en) |