JPS59137323U - dual fuel engine - Google Patents
dual fuel engineInfo
- Publication number
- JPS59137323U JPS59137323U JP3085383U JP3085383U JPS59137323U JP S59137323 U JPS59137323 U JP S59137323U JP 3085383 U JP3085383 U JP 3085383U JP 3085383 U JP3085383 U JP 3085383U JP S59137323 U JPS59137323 U JP S59137323U
- Authority
- JP
- Japan
- Prior art keywords
- gas
- engine
- valve
- pressure
- fuel
- 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
- Combustion Methods Of Internal-Combustion Engines (AREA)
- 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
図面は杢考案に係る二元燃料エンジンの実施例を示し、
第１図は概略断面図、第２図は運転制御構成を示すブロ
ック図であり、そして、第３図イ。
口は実験データを示すグラフであり、さらに、第４図は
別の実施例の概略図である。 。
２・・・シリンダヘッド、３・・・流量調整弁、４・・
・混合器、６・・・流路開閉弁、７・・・圧力調整弁、
１６・・・１ ダイヤフラム、１１１−・・スープリン
グ、２０又は２３゜２４・・・弁機構、ＧＲ・・・〃゛
ス流路ＯＲ・・・オイル流路、ｒ工・・・空気供給路、
ｒ２・・・ガス燃料供給路、ｒ４・・・バイロフト流路
。The drawing shows an example of a dual fuel engine invented by Mokura.
FIG. 1 is a schematic sectional view, FIG. 2 is a block diagram showing the operation control configuration, and FIG. 4 is a graph showing experimental data, and FIG. 4 is a schematic diagram of another example. . 2... Cylinder head, 3... Flow rate adjustment valve, 4...
・Mixer, 6...Flow path opening/closing valve, 7...Pressure adjustment valve,
16...1 diaphragm, 111-... soup ring, 20 or 23゜24... valve mechanism, GR... ゛ flow path OR... oil flow path, r work... air supply path ,
r2...Gas fuel supply path, r4...Biloft flow path.
Claims (1)
燃料との混合ガスを供給するガス流路ＧＲと、オイル燃
料を供給するオイル流路ＯＲとを連通接続すると共に、
前記ガス流路ＧＲに、流量□ 調整弁３を設け、
前記混合器４への空気供給路ｒ□に、エンジン排ガス駆
動型過給機５を接続すると共に、前記混合器４へのガス
燃料供給路ｒ２に、流路開閉弁６及びそれよりも流路下
手側に位置させて圧力調整弁７を夫々設け、前記圧力調
整弁７の操作用ダイヤフラム１６を、スプリング１８、
及び、前記空気供給路ｒ１カ象のパイロット空気によっ
て増圧側に、且つ、圧力調整後のガス圧によって減圧側
に操作されるように設け、前記開閉弁６を開いてガス燃
料を主体に運転するガス運転モードと、前記開閉弁６を
閉じてオイル燃料によって運転するオイル運転モードと
に、指令信号によって切換えるように構成した二元燃料
エンジンであって、前記ダイヤフラム１６に供給するパ
イロット空気圧を減少する二段操作式弁機構２０又は２
３．２４を、パイロット空気流動用パイロット
・流路ｒ４に接続すると共に、エンジン負荷が設定負荷
以下の状態でのみパイロット空気圧を減少させるよう、
エンジン負荷に基づいて前記弁機構２０ −又は２３
．２４を自動的に操作する制御装置を設けである二元燃
料エンジン。 ′A gas passage GR that supplies a mixed gas of air and gas fuel from a mixer 4 and an oil passage OR that supplies oil fuel are connected to the cylinder head 2, and
A flow rate adjustment valve 3 is provided in the gas flow path GR,
An engine exhaust gas-driven supercharger 5 is connected to the air supply path r□ to the mixer 4, and a flow path opening/closing valve 6 and a flow path are connected to the gas fuel supply path r2 to the mixer 4. A pressure regulating valve 7 is provided on the lower side, and a diaphragm 16 for operating the pressure regulating valve 7 is connected to a spring 18,
The air supply path r1 is provided so as to be operated to the pressure increasing side by the pilot air and to the pressure reducing side by the gas pressure after pressure adjustment, and the on-off valve 6 is opened to operate mainly on gas fuel. The dual fuel engine is configured to be switched by a command signal between a gas operation mode and an oil operation mode in which the on-off valve 6 is closed and the engine is operated using oil fuel, and the pilot air pressure supplied to the diaphragm 16 is reduced. Two-stage operated valve mechanism 20 or 2
3.24, pilot air flow pilot
・In addition to connecting to the flow path r4, the pilot air pressure is reduced only when the engine load is below the set load.
The valve mechanism 20 - or 23 based on the engine load
．． A dual fuel engine that is equipped with a control device to automatically operate the engine. ′
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3085383U JPS59137323U (en) | 1983-03-02 | 1983-03-02 | dual fuel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3085383U JPS59137323U (en) | 1983-03-02 | 1983-03-02 | dual fuel engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59137323U true JPS59137323U (en) | 1984-09-13 |
| JPS6349540Y2 JPS6349540Y2 (en) | 1988-12-20 |
Family
ID=30161726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3085383U Granted JPS59137323U (en) | 1983-03-02 | 1983-03-02 | dual fuel engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59137323U (en) |
-
1983
- 1983-03-02 JP JP3085383U patent/JPS59137323U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6349540Y2 (en) | 1988-12-20 |
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