JPS6087348U - Internal combustion engine safety equipment - Google Patents
Internal combustion engine safety equipmentInfo
- Publication number
- JPS6087348U JPS6087348U JP17878883U JP17878883U JPS6087348U JP S6087348 U JPS6087348 U JP S6087348U JP 17878883 U JP17878883 U JP 17878883U JP 17878883 U JP17878883 U JP 17878883U JP S6087348 U JPS6087348 U JP S6087348U
- Authority
- JP
- Japan
- Prior art keywords
- lubricating oil
- oil pipe
- valve
- line
- pilot 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.)
- Granted
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図は従来の装置を示す系統図、第２図はこの考案の
装置の実施例を示す系統図である。図面において、
Ａ、Ｂ、Ｃ・・・ライン、１・・・リセットバルブ、２
・・・過速度トリップ装置、３・・・逆止弁、４・・・
潤滑油管、５・・・過速度トリップシリンダ、６・・・
パイロットバルブ、７・・・逆止弁、８・・・潤滑油圧
力低下トリップシリンダ、９・・・パイロットバルブ。FIG. 1 is a system diagram showing a conventional device, and FIG. 2 is a system diagram showing an embodiment of the device of this invention. In the drawing, A, B, C... Line, 1... Reset valve, 2
... Overspeed trip device, 3... Check valve, 4...
Lubricating oil pipe, 5... Overspeed trip cylinder, 6...
Pilot valve, 7... Check valve, 8... Lubricating oil pressure drop trip cylinder, 9... Pilot valve.
Claims (1)
バルブ１と、過速度発生により開放する常閉の過速度ト
リップ装置２と、前記リセットバルブ１と過速度トリッ
プ装置２との間に過速度トリップ装置２からリセットバ
ルブ１方向への通油のみを可能として設けた逆止弁３と
を具備し、潤滑油管４に接続したラインＡと、前記逆止
弁３とリセットバルブ１との間の油圧をパイロット圧と
し、機関停止を自在とする過速度トリップシリンダ５へ
の作動圧給排自動切換を自在とした常開のパイロットバ
ルブ６と、前記潤滑油管４に連通し、前記パイロットバ
ルブ６を経た前記過速度トリップシリンダ５方向への圧
油流通を可能としたラインＢと、このラインＢにおいて
パイロットバルブ６と潤滑油管４との間に設け、潤滑油
管４からパイロットバルブ６方向への通油のみを可能と
して設けた逆止弁７と、前記ラインＡ、 Ｂとは別に、
潤滑油圧力低下トリップシリシダ８に潤滑油管４を接続
したラインＣとを具備してなる内燃機関の安全装置。A normally closed reset valve 1 that can freely return and open lubricating oil into the engine room, a normally closed overspeed trip device 2 that opens when overspeed occurs, and between the reset valve 1 and the overspeed trip device 2. A line A connected to a lubricating oil pipe 4 and a line A connecting the check valve 3 and the reset valve 1 are provided with a check valve 3 provided to allow oil to flow only in the direction of the reset valve 1 from the overspeed trip device 2. A normally open pilot valve 6 is connected to the lubricating oil pipe 4 and is connected to the lubricating oil pipe 4, and the pilot valve 6 is connected to the lubricating oil pipe 4. A line B is provided between the pilot valve 6 and the lubricating oil pipe 4, and a line B is provided between the pilot valve 6 and the lubricating oil pipe 4 to allow pressure oil to flow in the direction of the overspeed trip cylinder 5 via the lubricating oil pipe 4 in the direction of the pilot valve 6. Separately from the check valve 7, which is provided to allow only oil passage, and the lines A and B,
A safety device for an internal combustion engine comprising a lubricating oil pressure drop trip cylinder 8 and a line C connecting a lubricating oil pipe 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17878883U JPS6087348U (en) | 1983-11-21 | 1983-11-21 | Internal combustion engine safety equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17878883U JPS6087348U (en) | 1983-11-21 | 1983-11-21 | Internal combustion engine safety equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6087348U true JPS6087348U (en) | 1985-06-15 |
| JPH0128284Y2 JPH0128284Y2 (en) | 1989-08-29 |
Family
ID=30388075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17878883U Granted JPS6087348U (en) | 1983-11-21 | 1983-11-21 | Internal combustion engine safety equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6087348U (en) |
-
1983
- 1983-11-21 JP JP17878883U patent/JPS6087348U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0128284Y2 (en) | 1989-08-29 |
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