JPH01131820U - - Google Patents
Info
- Publication number
- JPH01131820U JPH01131820U JP2889788U JP2889788U JPH01131820U JP H01131820 U JPH01131820 U JP H01131820U JP 2889788 U JP2889788 U JP 2889788U JP 2889788 U JP2889788 U JP 2889788U JP H01131820 U JPH01131820 U JP H01131820U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust valve
- cooling water
- water outlet
- valve housing
- main pipe
- 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
- 239000000498 cooling water Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図は本考案の一実施例における排気弁装置
の全体構造を示す縦断面図、第２図は金属表面温
度と硫酸の凝縮量との関係を示すグラフ図、第３
図は燃料中の硫黄分と硫酸の露点温度との関係を
示すグラフ図、第４図は冷却水出口本管と冷却水
出口バイパス管の流量分配比率と弁筐温度との関
係を示すグラフ図、第５図および第６図は他の実
施例における概略側面図、第７図は従来例の全体
構造を示す縦断面図である。
１……排気弁装置、２……冷却室、３……煙道
、４……煙道壁面、５……排気弁筐、６……排気
弁座、７……空気シリンダ、８……油圧シリンダ
、９……排気弁棒、１０……排気弁ガイド、１１
……冷却水出口バイパス管、１２……冷却水出口
本管、１３……排気弁出口、１４……流量調整用
オリフイス、１５……冷却水入口、１６……ニー
ドル弁、Ａ……排気弁出口部壁面。
FIG. 1 is a vertical cross-sectional view showing the overall structure of an exhaust valve device according to an embodiment of the present invention, FIG. 2 is a graph showing the relationship between metal surface temperature and the amount of sulfuric acid condensed, and FIG.
The figure is a graph showing the relationship between the sulfur content in fuel and the dew point temperature of sulfuric acid, and Figure 4 is a graph showing the relationship between the flow rate distribution ratio of the cooling water outlet main pipe and the cooling water outlet bypass pipe and the valve casing temperature. , FIG. 5 and FIG. 6 are schematic side views of other embodiments, and FIG. 7 is a vertical sectional view showing the overall structure of the conventional example. 1... Exhaust valve device, 2... Cooling chamber, 3... Flue, 4... Flue wall, 5... Exhaust valve housing, 6... Exhaust valve seat, 7... Air cylinder, 8... Hydraulic pressure Cylinder, 9...Exhaust valve rod, 10...Exhaust valve guide, 11
... Cooling water outlet bypass pipe, 12 ... Cooling water outlet main pipe, 13 ... Exhaust valve outlet, 14 ... Orifice for flow rate adjustment, 15 ... Cooling water inlet, 16 ... Needle valve, A ... Exhaust valve Exit wall.
Claims (1)
イパス管を設けると共に、排気弁筐上部の冷却水
出口本管に冷却水の絞り手段を設けたことを特徴
とするデイーゼル機関における排気弁装置。 An exhaust valve device for a diesel engine, characterized in that a cooling water outlet bypass pipe is provided on the side of an exhaust valve housing having a cooling chamber, and a cooling water throttling means is provided on the cooling water outlet main pipe at the upper part of the exhaust valve housing. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2889788U JPH01131820U (en) | 1988-03-03 | 1988-03-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2889788U JPH01131820U (en) | 1988-03-03 | 1988-03-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01131820U true JPH01131820U (en) | 1989-09-07 |
Family
ID=31252636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2889788U Pending JPH01131820U (en) | 1988-03-03 | 1988-03-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01131820U (en) |
-
1988
- 1988-03-03 JP JP2889788U patent/JPH01131820U/ja active Pending
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