JP2000073870A - Regulator equipment for gas engine - Google Patents

Regulator equipment for gas engine

Info

Publication number
JP2000073870A
JP2000073870A JP10241213A JP24121398A JP2000073870A JP 2000073870 A JP2000073870 A JP 2000073870A JP 10241213 A JP10241213 A JP 10241213A JP 24121398 A JP24121398 A JP 24121398A JP 2000073870 A JP2000073870 A JP 2000073870A
Authority
JP
Japan
Prior art keywords
regulator
gas
pressure
cooling water
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.)
Withdrawn
Application number
JP10241213A
Other languages
Japanese (ja)
Inventor
Kenji Kodama
健司 児玉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Motors Corp
Original Assignee
Mitsubishi Motors Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Motors Corp filed Critical Mitsubishi Motors Corp
Priority to JP10241213A priority Critical patent/JP2000073870A/en
Publication of JP2000073870A publication Critical patent/JP2000073870A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/30Use of alternative fuels, e.g. biofuels

Landscapes

  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

PROBLEM TO BE SOLVED: To keep specified temperature of a regulator irrespective of difference of gas pressure across the regulator, prevent temperature reduction due to an adiabatic expansion, and prevent reduction of the mass flow amount due to excessive temperature rise of fuel gas. SOLUTION: A cooling water flow amount control valve 14 is arranged for reducing a flow amount of cooling water (hot water) of a water passage 12 correspondingly to reduction of gas pressure on the side of a gas cylinder 8. When the gas pressure on the side of the gas cylinder 8 is reduced and the temperature of a regulator 10 is not decreased, supply of the cooling water (hot water) to the regulator 10 is restricted for preventing excessive temperature rise of the regulator 10. The temperature of the regulator 10 is kept at a specified value irrespective of difference of the gas pressure across the regulator 10, for preventing temperature reduction of an adiabatic expansion. Reduction of mass flow amount is also prevented, which may be caused by excessive temperature rise of fuel gas.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、ガスエンジンにお
いて燃料ガスの調圧を行うレギュレータ装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a regulator for regulating the pressure of fuel gas in a gas engine.

【0002】[0002]

【従来の技術】天然ガスを燃料とするエンジン(例えば
CNG エンジン)では、圧縮された燃料がガスボンベに充
填され、圧縮された燃料をレギュレータによって減圧
(例えば200kgf/cm2から3.5kgf/cm2) してエンジンに供
給している。レギュレータは減圧時に燃料ガスの断熱膨
張作用により温度が低下して凍結する虞があるため、エ
ンジンの冷却水(温水)をレギュレータに循環させて温
度の低下を防止している。
2. Description of the Related Art Engines using natural gas as fuel (for example,
In a CNG engine, compressed gas is charged into a gas cylinder, and the compressed fuel is supplied to the engine at a reduced pressure (for example, from 200 kgf / cm 2 to 3.5 kgf / cm 2 ) by a regulator. Since the temperature of the regulator may decrease due to the adiabatic expansion action of the fuel gas when the pressure is reduced, cooling water (warm water) of the engine is circulated through the regulator to prevent the temperature from decreasing.

【0003】[0003]

【発明が解決しようとする課題】ガスボンベ内の燃料残
量が多くレギュレータの前後のガスの圧力の差が大きい
場合、断熱膨張の影響も大きくなり、レギュレータの温
度低下が大きくなる。このため、エンジンの冷却水(温
水)をレギュレータに循環させた際の加熱効果は有効と
なる。
When the amount of fuel remaining in the gas cylinder is large and the pressure difference between the gas before and after the regulator is large, the effect of adiabatic expansion increases, and the temperature drop of the regulator increases. Therefore, the heating effect when the cooling water (hot water) of the engine is circulated through the regulator is effective.

【0004】しかし、ガスボンベ内の燃料残量が少なく
レギュレータの前後のガスの圧力の差が小さい場合、断
熱膨張の影響はほとんどなく、レギュレータの温度はあ
まり低下せず、エンジンの冷却水(温水)をレギュレー
タに循環させると、逆に温水により燃料ガスの温度が上
昇してしまう。このため、燃料ガスの質量流量が減少
し、必要な燃料量をエンジンに供給できずエンジンの性
能が保てなくなる虞があった。
However, when the remaining amount of fuel in the gas cylinder is small and the difference between the pressures of the gas before and after the regulator is small, there is almost no influence of adiabatic expansion, the temperature of the regulator does not decrease so much, and the cooling water (hot water) of the engine is reduced. Is circulated through the regulator, on the contrary, the temperature of the fuel gas rises due to the hot water. For this reason, the mass flow rate of the fuel gas is reduced, and a required amount of fuel cannot be supplied to the engine, so that the performance of the engine may not be maintained.

【0005】本発明は上記状況に鑑みてなされたもの
で、レギュレータの前後のガスの圧力の差に拘らず、即
ち、ガスボンベ内の燃料残量に拘らず減圧後のガス温度
を所定温度状態に維持することができるガスエンジンの
レギュレータ装置を提供することを目的とする。
[0005] The present invention has been made in view of the above circumstances, and regardless of the gas pressure difference before and after the regulator, that is, regardless of the remaining amount of fuel in the gas cylinder, the gas temperature after pressure reduction is kept at a predetermined temperature state. It is an object to provide a gas engine regulator device that can be maintained.

【0006】[0006]

【課題を解決するための手段】上記目的を達成するため
の本発明の構成は、エンジンを循環した冷却水を水通路
に流通させるガスエンジンのレギュレータ装置におい
て、ガスボンベ側のガス圧の低下に対応して水通路の冷
却水の流量を減少させる弁装置を水通路に配置し、減圧
によるガスの断熱膨張の影響が小さくなった場合にはエ
ンジンを循環した冷却水のレギュレータへの供給を制限
し、レギュレータが必要以上に高温にならないようにす
る。
According to the present invention, there is provided a gas engine regulator for flowing cooling water circulated through an engine through a water passage, in response to a decrease in gas pressure on a gas cylinder side. A valve device for reducing the flow rate of cooling water in the water passage is provided in the water passage, and when the effect of adiabatic expansion of gas due to pressure reduction is reduced, supply of cooling water to the regulator circulating through the engine is restricted. Make sure the regulator does not get hotter than necessary.

【0007】[0007]

【発明の実施の形態】図1には本発明の一実施形態例に
係るレギュレータ装置を備えたガスエンジンの全体構成
を示してある。
FIG. 1 shows the overall configuration of a gas engine provided with a regulator device according to an embodiment of the present invention.

【0008】ガスエンジン1には燃焼室につながる吸気
管2が設けられ、吸気管2にはスロットルバルブ3及び
サブスロットルバルブ4が設けられている。一方、ガス
エンジン1には燃焼室につながる排気管6が設けられ、
排気管6にはA/F センサ7が設けられている。A/F セン
サ7の検出信号はECU21に送られ、ECU21から
はスロットルバルブ3及びサブスロットルバルブ4に作
動指令が送られる。
The gas engine 1 is provided with an intake pipe 2 connected to a combustion chamber, and the intake pipe 2 is provided with a throttle valve 3 and a sub-throttle valve 4. On the other hand, the gas engine 1 is provided with an exhaust pipe 6 connected to the combustion chamber,
The exhaust pipe 6 is provided with an A / F sensor 7. The detection signal of the A / F sensor 7 is sent to the ECU 21, which sends an operation command to the throttle valve 3 and the sub-throttle valve 4.

【0009】ガスエンジン1の燃料となる天然ガス(燃
料ガス)が圧縮して充填されるガスボンベ8は主止バル
ブ9を介してガス通路22によってレギュレータ10に
連通し、主止バルブ9が開かれると高圧の燃料ガス(例
えば200kgf/cm2)がレギュレータ10に送られる。尚、
主止バルブ9は図示しないキースイッチのオン・オフ等
によって開閉されるようになっている。レギュレータ1
0はガスバルブ11を介してガス通路23によって吸気
管2につながり、レギュレータ10では高圧の燃料ガス
が減圧される(例えば3.5kgf/cm2) 。レギュレータ10
で減圧された燃料ガスは、ガスバルブ11を介して流量
が制御されて吸気管2に送られる。ガスバルブ11はA/
F センサ7の出力状況に応じてECU21の指令に基づ
いて作動する。
A gas cylinder 8 compressed and filled with natural gas (fuel gas) serving as fuel for the gas engine 1 communicates with a regulator 10 through a gas passage 22 through a main stop valve 9, and the main stop valve 9 is opened. And a high-pressure fuel gas (for example, 200 kgf / cm 2 ) is sent to the regulator 10. still,
The main stop valve 9 is opened and closed by turning on / off a key switch (not shown). Regulator 1
Numeral 0 is connected to the intake pipe 2 by the gas passage 23 via the gas valve 11, and the regulator 10 reduces the pressure of the high-pressure fuel gas (for example, 3.5 kgf / cm 2 ). Regulator 10
The fuel gas reduced in pressure is sent to the intake pipe 2 at a controlled flow rate through the gas valve 11. Gas valve 11 is A /
It operates based on a command from the ECU 21 according to the output state of the F sensor 7.

【0010】レギュレータ10にはガスエンジン1の冷
却水(温水)が導入される入側の水通路12が連通し、
レギュレータ10を流通した冷却水は出側の水通路13
によってガスエンジン1に循環される。入側の水通路1
2には冷却水の流量を制御する弁装置としての冷却水流
量制御バルブ14が設けられ、冷却水流量制御バルブ1
4はECU21の指令によって作動制御される。
An inlet-side water passage 12 through which cooling water (warm water) for the gas engine 1 is introduced communicates with the regulator 10.
The cooling water flowing through the regulator 10 is supplied to the outlet water passage 13.
Circulates through the gas engine 1. Inlet water passage 1
2 is provided with a cooling water flow control valve 14 as a valve device for controlling the flow of cooling water.
4 is controlled in operation by a command from the ECU 21.

【0011】主止バルブ9とレギュレータ10の間にお
けるガス通路22には燃料ガスの圧力を検出する圧力セ
ンサ24が設けられ、圧力センサ24の検出信号はEC
U21に送られる。圧力センサ24により燃料ガスの圧
力低下(残燃料減少)が検出されると、冷却水流量制御
バルブ14の作動により水通路12の冷却水(温水)の
流量が減少(流量0を含む)される。一例としての圧力
センサ24の検出圧力と冷却水流量制御バルブ14の制
御による冷却水(温水)流量の状況を図2に示す。
In the gas passage 22 between the main stop valve 9 and the regulator 10, a pressure sensor 24 for detecting the pressure of the fuel gas is provided.
It is sent to U21. When the pressure sensor 24 detects a decrease in the pressure of the fuel gas (remaining fuel decrease), the flow rate of the cooling water (hot water) in the water passage 12 is reduced (including the flow rate 0) by operating the cooling water flow rate control valve 14. . FIG. 2 shows the state of the detected pressure of the pressure sensor 24 and the flow rate of the cooling water (hot water) under the control of the cooling water flow rate control valve 14 as an example.

【0012】上記構成のガスエンジン1では、図示しな
いキースイッチをオンにすると、主止バルブ9が開いて
ガスボンベ8から高圧の燃料ガスがレギュレータ10に
送られ、レギュレータ10で高圧の燃料ガスが減圧され
て減圧された燃料ガスはガスバルブ11を介して吸気管
2に送られる。吸気管2に送られた燃料ガスはスロット
ルバルブ3(サブスロットルバルブ4)の動作により空
気と混合されて燃焼室に送られる。
In the gas engine 1 having the above configuration, when a key switch (not shown) is turned on, the main stop valve 9 is opened and high-pressure fuel gas is sent from the gas cylinder 8 to the regulator 10, and the high-pressure fuel gas is reduced by the regulator 10. The fuel gas thus decompressed is sent to the intake pipe 2 via the gas valve 11. The fuel gas sent to the intake pipe 2 is mixed with air by the operation of the throttle valve 3 (sub-throttle valve 4) and sent to the combustion chamber.

【0013】ガスボンベ8内に燃料が十分に残っている
場合、ガス通路22の圧力は高圧状態であり、この場合
は、レギュレータ10の前後の燃料ガスの圧力の差が大
きく断熱膨張の影響が大きいため、減圧時のレギュレー
タ10の温度低下(燃料ガス温度低下)が大きくなる。
このため、圧力センサ24によりガス通路22の圧力が
所定値以上であることが検出されると、ECU21の指
令によって冷却水流量制御バルブ14が流量最大側に開
いてエンジンの冷却水(温水)をレギュレータ10に循
環させる。これにより、レギュレータ10が加熱されて
燃料ガスが温められ、燃料ガスの質量流量が最適な状態
に保たれる。
When a sufficient amount of fuel remains in the gas cylinder 8, the pressure in the gas passage 22 is in a high pressure state. In this case, the pressure difference between the fuel gas before and after the regulator 10 is large and the effect of adiabatic expansion is large. Therefore, the temperature drop of the regulator 10 during fuel pressure reduction (fuel gas temperature drop) increases.
Therefore, when the pressure sensor 24 detects that the pressure of the gas passage 22 is equal to or higher than a predetermined value, the cooling water flow control valve 14 opens to the maximum flow side according to a command from the ECU 21 to supply the cooling water (hot water) of the engine. Circulate through regulator 10. As a result, the regulator 10 is heated to warm the fuel gas, and the mass flow rate of the fuel gas is maintained in an optimum state.

【0014】また、ガスボンベ8内の燃料が少なくなる
に従って、ガス通路22の圧力は低圧となり、燃料の減
少に伴いレギュレータ10の前後のガスの圧力の差が漸
減して断熱膨張の影響が徐々に小さくなる。この時、E
CU21の指令によって冷却水流量制御バルブ14が圧
力センサ24の出力に応じて開度制御(流量減少方向)
される。また、圧力が所定値を下回った場合等にはエン
ジンの冷却水(温水)のレギュレータ10への循環を完
全に止めてもよい。これにより、必要以上に燃料ガスの
温度が上昇することが防止され、燃料ガスの質量流量が
減少することがなく、必要な燃料量をエンジンに供給す
ることができる。
Further, as the amount of fuel in the gas cylinder 8 decreases, the pressure in the gas passage 22 decreases, and as the fuel decreases, the difference between the pressures of the gas before and after the regulator 10 gradually decreases, and the influence of adiabatic expansion gradually increases. Become smaller. At this time,
The opening degree of the cooling water flow control valve 14 is controlled in accordance with the output of the pressure sensor 24 (in the flow decreasing direction) according to a command from the CU 21
Is done. Further, when the pressure falls below a predetermined value or the like, the circulation of the cooling water (hot water) of the engine to the regulator 10 may be completely stopped. Thereby, the temperature of the fuel gas is prevented from rising more than necessary, and the required amount of fuel can be supplied to the engine without reducing the mass flow rate of the fuel gas.

【0015】また、ガスボンベ8の残圧により冷却水の
流量を制御することで、運転可能な燃料ガスの圧力(燃
料残量)を更に低くすることが可能になる。
Further, by controlling the flow rate of the cooling water based on the residual pressure of the gas cylinder 8, the operable fuel gas pressure (remaining fuel amount) can be further reduced.

【0016】上述したガスエンジン1のレギュレータ装
置では、ガスボンベ8側の燃料ガスの圧力の低下時に水
通路12の冷却水の流量を減少させる冷却水流量制御バ
ルブ14を設けたので、レギュレータ10の前後の差圧
が大きい時(残圧大)には、断熱膨張による温度低下を
防止することで、レギュレータ10の凍結を回避するこ
とができると共に、レギュレータ10の前後の差圧が小
さくなった時(残圧小)には、冷却水の流量を減少させ
て燃料ガスの過剰な温度上昇を抑制することによりガス
燃料の質量流量の低下を防止することができ、安定した
燃焼が得られる。
In the regulator device of the gas engine 1 described above, the cooling water flow control valve 14 for reducing the flow rate of the cooling water in the water passage 12 when the pressure of the fuel gas on the gas cylinder 8 decreases is provided. When the pressure difference is large (the residual pressure is large), freezing of the regulator 10 can be avoided by preventing the temperature drop due to adiabatic expansion, and when the pressure difference before and after the regulator 10 becomes small ( When the residual pressure is small, the flow rate of the cooling water is reduced to suppress an excessive rise in the temperature of the fuel gas, whereby a decrease in the mass flow rate of the gas fuel can be prevented, and stable combustion can be obtained.

【0017】図3に基づいて弁装置の他の実施形態例を
説明する。図3には弁装置の他の実施形態例を表すレギ
ュレータ装置の要部状況を示してある。尚、図1に示し
た部材と同一部材には同一符号を付して重複する説明は
省略してある。
Referring to FIG. 3, another embodiment of the valve device will be described. FIG. 3 shows a state of a main part of a regulator device representing another embodiment of the valve device. The same members as those shown in FIG. 1 are denoted by the same reference numerals, and duplicate description is omitted.

【0018】図に示すように、ガス通路22には三方弁
31が設けられ、水通路12にはメカバルブ32が設け
られている。室36にガスボンベ8側の圧力がかかって
いない状態では、メカバルブ32はばね33の付勢力に
よってバルブ34の通路35が水通路12と非連通状態
にあり、室36にガスボンベ8側の圧力がかかると、ば
ね33の付勢力に抗してバルブ34が移動して通路35
が水通路12と連通状態になる。メカバルブ32のバル
ブ34には三方弁31からの燃料ガスが直接作用し、所
定圧以上の燃料ガスによってばね33の付勢力に抗して
バルブ34を移動させる。
As shown in the figure, a three-way valve 31 is provided in the gas passage 22, and a mechanical valve 32 is provided in the water passage 12. When the pressure on the gas cylinder 8 side is not applied to the chamber 36, the passage 35 of the valve 34 of the mechanical valve 32 is not in communication with the water passage 12 by the urging force of the spring 33, and the pressure on the gas cylinder 8 side is applied to the chamber 36. The valve 34 moves against the urging force of the spring 33 and
Is in communication with the water passage 12. The fuel gas from the three-way valve 31 directly acts on the valve 34 of the mechanical valve 32 and moves the valve 34 against the urging force of the spring 33 by the fuel gas having a predetermined pressure or more.

【0019】上述した弁装置では、ガス通路22の圧力
が所定値以上の場合、燃料ガスが直接バルブ34に作用
してばね33の付勢力に抗して移動し、通路35が水通
路12と連通状態になって冷却水がレギュレータ10に
送られる。これにより、断熱膨張によるレギュレータ1
0の温度低下を防止することができる。また、ガス通路
22の圧力が下がった場合、バルブ34がばね33の付
勢力によって移動し、通路35が水通路12と段々と非
連通状態になって冷却水のレギュレータ10への循環が
制限される。これにより、燃料ガスの過剰な温度上昇に
よる質量流量の低下を防止することができる。
In the above-described valve device, when the pressure in the gas passage 22 is equal to or higher than a predetermined value, the fuel gas directly acts on the valve 34 to move against the urging force of the spring 33, and the passage 35 is connected to the water passage 12. The cooling water is sent to the regulator 10 in the communicating state. Thereby, the regulator 1 by adiabatic expansion
0 temperature drop can be prevented. When the pressure in the gas passage 22 decreases, the valve 34 moves due to the urging force of the spring 33, and the passage 35 is gradually disconnected from the water passage 12, thereby restricting the circulation of the cooling water to the regulator 10. You. Thus, it is possible to prevent a decrease in the mass flow rate due to an excessive temperature rise of the fuel gas.

【0020】従って、直接燃料ガスにより冷却水(温
水)のレギュレータ10への供給を制御することができ
るので、極めて簡単な構成でレギュレータ10(燃料ガ
ス)の温度調整を行うことができる。
Therefore, the supply of the cooling water (hot water) to the regulator 10 can be directly controlled by the fuel gas, so that the temperature of the regulator 10 (fuel gas) can be adjusted with an extremely simple configuration.

【0021】[0021]

【発明の効果】本発明のガスエンジンのレギュレータ装
置は、ガスボンベ側のガス圧の低下に対応して水通路の
冷却水の流量を減少させる弁装置を水通路に配置し、レ
ギュレータの温度が低下しない状態になった際にはエン
ジンを循環した冷却水のレギュレータへの供給を制限す
るようにしたので、レギュレータが必要以上に高温にな
ることを防止することができる。この結果、レギュレー
タの前後のガスの圧力の差に拘らず、即ち、ガスボンベ
内の燃料残量に拘らずレギュレータを所定温度状態に維
持することができ、断熱膨張による温度低下を防止する
ことができると共に、燃料ガスの過剰な温度上昇による
質量流量の低下を防止することができる。
In the gas engine regulator of the present invention, a valve device for reducing the flow rate of the cooling water in the water passage in response to a decrease in the gas pressure on the gas cylinder side is disposed in the water passage, and the temperature of the regulator is reduced. Since the supply of the cooling water circulating through the engine to the regulator is restricted when the condition is not reached, it is possible to prevent the regulator from becoming unnecessarily hot. As a result, the regulator can be maintained at a predetermined temperature regardless of the difference in gas pressure before and after the regulator, that is, regardless of the remaining amount of fuel in the gas cylinder, and a temperature drop due to adiabatic expansion can be prevented. At the same time, it is possible to prevent a decrease in the mass flow rate due to an excessive temperature rise of the fuel gas.

【0022】また、質量流量の低下を防止することがで
きるので、燃料ガスの残量が少なくなった場合でもガス
エンジンの出力低下を防止することができ、また、運転
可能な燃料残量の下限を更に下方に下げることが可能と
なる。
Further, since a decrease in the mass flow rate can be prevented, a decrease in the output of the gas engine can be prevented even when the remaining amount of the fuel gas becomes small. Can be lowered further.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の一実施形態例に係るレギュレータ装置
を備えたガスエンジンの全体構成図。
FIG. 1 is an overall configuration diagram of a gas engine including a regulator device according to an embodiment of the present invention.

【図2】検出圧力と温水流量との関係を表すグラフ。FIG. 2 is a graph showing a relationship between a detected pressure and a flow rate of hot water.

【図3】弁装置の他の実施形態例を表すレギュレータ装
置の要部構成図。
FIG. 3 is a main part configuration diagram of a regulator device showing another embodiment of the valve device.

【符号の説明】[Explanation of symbols]

1 ガスエンジン 2 吸気管 3 スロットルバルブ 8 ガスボンベ 10 レギュレータ 11 ガスバルブ 12 水通路 14 冷却水流量制御バルブ 21 ECU 22 ガス通路 DESCRIPTION OF SYMBOLS 1 Gas engine 2 Intake pipe 3 Throttle valve 8 Gas cylinder 10 Regulator 11 Gas valve 12 Water passage 14 Cooling water flow control valve 21 ECU 22 Gas passage

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 ガスボンベから供給される燃料ガスの圧
力を調圧するレギュレータ内に水通路を設け、エンジン
を循環した冷却水を前記水通路に流通させるガスエンジ
ンのレギュレータ装置において、前記ガスボンベ側のガ
ス圧の低下に対応して前記冷却水が流通する前記水通路
の流量を減少させる弁装置を該水通路に配置したことを
特徴とするガスエンジンのレギュレータ装置。
1. A regulator for a gas engine, wherein a water passage is provided in a regulator for regulating the pressure of fuel gas supplied from a gas cylinder, and cooling water circulated through an engine flows through the water passage. A regulator device for a gas engine, wherein a valve device for reducing a flow rate of the water passage through which the cooling water flows in response to a decrease in pressure is disposed in the water passage.
JP10241213A 1998-08-27 1998-08-27 Regulator equipment for gas engine Withdrawn JP2000073870A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10241213A JP2000073870A (en) 1998-08-27 1998-08-27 Regulator equipment for gas engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10241213A JP2000073870A (en) 1998-08-27 1998-08-27 Regulator equipment for gas engine

Publications (1)

Publication Number Publication Date
JP2000073870A true JP2000073870A (en) 2000-03-07

Family

ID=17070891

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10241213A Withdrawn JP2000073870A (en) 1998-08-27 1998-08-27 Regulator equipment for gas engine

Country Status (1)

Country Link
JP (1) JP2000073870A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013536352A (en) * 2010-08-07 2013-09-19 ダイムラー・アクチェンゲゼルシャフト Internal combustion engine using liquid and gaseous fuel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013536352A (en) * 2010-08-07 2013-09-19 ダイムラー・アクチェンゲゼルシャフト Internal combustion engine using liquid and gaseous fuel

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