WO2005106318A1 - 燃料ガス供給装置 - Google Patents
燃料ガス供給装置 Download PDFInfo
- Publication number
- WO2005106318A1 WO2005106318A1 PCT/JP2004/006156 JP2004006156W WO2005106318A1 WO 2005106318 A1 WO2005106318 A1 WO 2005106318A1 JP 2004006156 W JP2004006156 W JP 2004006156W WO 2005106318 A1 WO2005106318 A1 WO 2005106318A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fuel gas
- manifold
- flow path
- valve
- check valve
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0221—Fuel storage reservoirs, e.g. cryogenic tanks
- F02M21/0224—Secondary gaseous fuel storages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/02—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
- F02D19/026—Measuring or estimating parameters related to the fuel supply system
- F02D19/027—Determining the fuel pressure, temperature or volume flow, the fuel tank fill level or a valve position
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/023—Valves; Pressure or flow regulators in the fuel supply or return system
- F02M21/0236—Multi-way valves; Multiple valves forming a multi-way valve system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/023—Valves; Pressure or flow regulators in the fuel supply or return system
- F02M21/0242—Shut-off valves; Check valves; Safety valves; Pressure relief valves
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Definitions
- the present invention relates to a fuel gas supply device, and more particularly, to a fuel gas supply device suitable for filling a fuel gas in a fuel gas tank and supplying the fuel gas in the fuel gas tank to a supply side.
- FIG. 7 shows an example of such a fuel gas supply system 1 which has been conventionally used.
- this fuel gas supply system 1 a plurality of pipes 2 are connected to each other via a joint 3. As a result, a fuel gas flow path is formed.
- a fuel gas filling port 4 is connected to the upstream end of the flow path, and fuel gas is supplied into the system through the filling port 4. Downstream of the filling port 4, a filling valve 6 capable of opening and closing a flow path is provided. By opening and closing the filling valve 6, the supply of fuel gas from the filling port 4 is prevented. It is being regulated.
- a check valve 7 Downstream of the filling valve 6, a check valve 7 is provided downstream of the filling valve 6, a check valve 7 is provided. Therefore, the backflow of the fuel gas in the flow path is prevented.
- the flow path on the downstream side of the check valve 7 is branched into three at a joint 3 arranged in a cross shape on the paper surface of FIG. 7, and two of the branched flow paths are respectively It leads to a separate fuel gas tank 9.
- each fuel gas tank 9 is branched into two at once by the joint 3 and then joined again via the joint 3 before the tank main valve 10 of the fuel gas tank 9. .
- One of the two types of flow paths that branch and rejoin is a dedicated flow path for filling the fuel gas into the fuel gas tank 9 when the fuel gas is filled.
- Valve 7 is provided.
- the other of the two types of flow paths that branch and re-merge is a dedicated flow path for supplying fuel gas to the engine 11 on the supply side.
- the main check valve 12 is provided in addition to the check valve 7.
- a filter 14 for purifying the fuel gas, a pressure sensor 15 for detecting the pressure of the fuel gas, a main stop valve 12 and a pressure reducing valve mixer 16 are arranged in the flow path following the engine 11 in order from the upstream side. Are arranged.
- FIG. 8 shows another example of a fuel gas supply system that has been conventionally used.
- a fuel gas flow path is formed by a plurality of pipes 2.
- the main components include a filling port 4, a check valve 7, a pressure sensor 15, a main stop valve 12, two fuel gas tanks 9, a pressure reducing valve 16, an engine 11, etc. This is similar to that shown in FIG.
- the fuel gas supply system has no distinction for filling or supply in the flow passage connected to each fuel gas tank 9, and the fuel flow is controlled by one flow passage 20. It is designed to both supply and supply gas.
- a shutoff valve 21 is provided in front of each fuel gas tank 9, and a carburetor 13 is provided between the pressure reducing valve 16 and the engine 11.
- the fuel gas supply system 19 has a manifold 22 in which a flow path is formed.
- the manifold 22 is connected to a pipe 2 and a pressure sensor 15. I have.
- the present invention has been made in view of such a point, and by reducing the number of various components, particularly, the number of joints, the number of working steps and cost can be reduced, and the size can be reduced. It is another object of the present invention to provide a fuel gas supply device capable of avoiding damage to a check valve in an emergency and safely performing a fuel gas filling operation into a fuel gas tank.
- the fuel gas supply device has at least the following features: a filling port for filling the fuel gas into the fuel gas tank through the flow path; At least one check valve to prevent the pressure, a pressure sensor that detects the pressure of fuel gas supplied from the fuel gas tank to the supply side via the flow path, and a fuel gas supply side by shutting off the flow path.
- a fuel supply device having a shut-off valve for controlling the supply of fuel gas comprising a manifold in which a flow path for fuel gas is formed, wherein the manifold includes at least one of the check valve and the shut-off valve The valve is connected to be connected to the flow path of the manifold, and at least one of the check valves connected to the manifold is located in the flow path of the manifold. There to that point. According to such a configuration, by connecting the check valve and the shutoff valve to the manifold, the number of pipes and the number of joints connecting the pipes can be reduced.
- the check valve since at least one of the check valves is stably connected to the manifold so as to be located in the flow path of the manifold, the check valve may be damaged even in an emergency. Can be avoided.
- a feature of the fuel gas supply device is that at least one of the filling port and the pressure sensor is connected to the manifold so as to be continuous with a flow path of the manifold. .
- a feature of the fuel gas supply device is that a mechanical portion is provided between a valve body portion of the check valve located in a flow path of the manifold and a valve body portion of the filling port. The point is that the weakened portion with reduced strength is provided.
- the number of work steps and cost can be reduced, and the size of the device can be reduced. Further, the fuel gas tank is filled and supplied with fuel gas. The fuel gas can be supplied stably.
- the fuel gas supply device in addition to the effect of the fuel gas supply device according to claim 1, it is possible to further reduce the number of work steps and costs. As a result, the size of the device can be further reduced, and furthermore, the fuel gas can be charged into the fuel gas tank and supplied to the supply side more stably.
- the filling and supply of the fuel gas can be performed more stably.
- FIG. 1 is a sectional view showing a first embodiment of a fuel gas supply device according to the present invention.
- FIG. 2 is a side view showing a configuration of a fragile portion in the first embodiment of the fuel gas supply device according to the present invention.
- FIG. 3 is a front view of FIG.
- FIG. 4 is a configuration diagram showing a fuel gas supply system including a fuel gas supply device in the first embodiment of the fuel gas supply device according to the present invention.
- FIG. 5 is a sectional view showing a second embodiment of the fuel gas supply device according to the present invention.
- FIG. 6 is a sectional view showing a third embodiment of the fuel gas supply device according to the present invention.
- FIG. 7 is a configuration diagram illustrating an example of a fuel gas supply system that has been conventionally used.
- FIG. 8 is a configuration diagram showing another example of the fuel gas supply system that has been conventionally used, which is different from FIG. BEST MODE FOR CARRYING OUT THE INVENTION
- the fuel gas supply device 25 has a metal manifold 26, and the manifold 26 has a filling port 4, a fuel gas tank 9,
- the first flow path 27 that communicates between the pressure sensor 15 and the components of the filter 14 that filters the fuel gas, the filter 14, the electromagnetic shutoff valve 28, and the engine 11 on the supply side
- a second flow path 29 for communicating between the pressure reducing valves 16 is formed.
- the first flow path 27 and the second flow path 29 are physically separated by a partition wall of the manifold 26, they are communicated with each other through the filter 14.
- the manifold 26 is connected to the first flow path 27 so as to be filled with the fuel gas through the first flow path 27 into the fuel gas tank 9.
- the pressure sensor 15 detects the pressure of the fuel gas supplied from the fuel gas tank 9 to the supply side via the first flow path 27, and flows from the first flow path 27 to the second flow path 29.
- the filter 14 for filtering the fuel gas is connected.
- the fuel gas tank 9 can be communicated through another flow path such as the pipe 2.
- a check valve 30 for preventing a backflow of the fuel gas in the flow path is connected to a downstream end of the filling port 4.
- the check valve 30 is connected to the first flow path 2. 7 so that it is connected to the manifold 26 as well. ing.
- manifold 26 is connected to the second flow path 29 so as to shut off the second flow path 29 so as to control the supply of the fuel gas to the supply side. 2 8 are connected.
- the engine 11 or the pressure reducing valve 16 as a supply-side component can be connected via another flow path such as the pipe 2.
- check valve 30 is located in the first flow path 27 of the manifold 26 and is stably connected to the manifold 26, so that even in an emergency, the The check valve 30 in the hold 26 can be prevented from being damaged.
- the number of check valves 30 connected to the manifold 26 need not be limited to one, and a plurality of check valves 30 may be provided. In this case, among the plurality of check valves 30, how many check valves 30 are located in the first flow path 27 can be variously changed according to the concept.
- check valve 30 and the shut-off valve 28 need only be connected to the manifold 26, and the other components 4, 14, and 15 are required. May be connected according to Also in this case, the number of the pipes 2 and the joints 3 connecting the pipes 2 can be reduced.
- the manifold 26 is located in the flow path. Between the valve body 30a of the check valve 30 and the valve body 4a of the filling port 4, a fragile portion 32 having reduced mechanical strength is provided.
- the fragile portion 32 may be formed in a joint 35 for communicating the filling port 4 with the check valve 30 as shown in FIGS. 2 and 3, for example. That is, as shown in FIGS. 2 and 3, the joint 35 has a pipe 31 that constitutes a fuel gas flow path. The outer periphery of the pipe 31 is provided with a slight gap in the flow direction of the fuel gas, and a fastening portion 33 made of a nut or the like for connecting the joint 35 and the check valve 30 is provided. And a fastening portion 34 for connecting the joint 35 and the filling port 4 are provided.
- the small-diameter fragile portion 32 in the portion between the two fastening portions 33, 34 in the pipeline 31 is not covered with the fastening portions 33, 34, so the The mechanical strength is reduced as compared with the part covered by the fastening parts 33, 34 in 31.
- the configuration of the fragile portion is not limited to the fragile portion 32 having the above configuration.
- the mechanical strength of the check valve 30 on the downstream side of the valve body 30a may be reduced.
- a weak portion may be provided as a part of the configuration of the check valve 30.
- a weak portion may be provided as a part of the filling port 4 by weakening the mechanical strength of a portion of the filling port 4 on the upstream side of the valve body 4a.
- damage to the check valve 30 in an emergency can be reliably avoided.
- the fuel gas supply device 25 in the present embodiment is connected so that the pressure reducing valve 16 is connected to the second flow path 29 of the manifold 26.
- a pressure adjusting unit 36 is configured.
- a fuel gas tank 9 is connected to the manifold 26 via a pipe 2, and an engine 11 is connected to the pressure reducing valve 16 to form a fuel gas supply system 37. It has become.
- the fuel gas flowing into the first flow path 27 flows through the pipe 2 connected to the first flow path 27 to the fuel gas tank 9 side, and is filled in the fuel gas tank 9.
- the check valve 30 is still operated. Since it is located in the first flow path 27 of the manifold 26 and is stably connected to the manifold 26, it is possible to prevent the check valve 30 from being damaged. .
- the fuel gas supply system 37 has a mechanical function.
- the fragile portion 32 can be preferentially damaged.
- the check valve 30 can be secured in the fuel gas flow path, so that the backflow of the fuel gas can be prevented, and the filling operation of the fuel gas tank 9 can be performed safely. It can be carried out.
- opening the shut-off valve 21 causes the fuel gas in the fuel gas tank 9 to pass through the pipe 2. Flow into the first flow path 27 of the manifold 26.
- the pressure of the fuel gas flowing into the first flow path 27 is detected by the pressure sensor 15.
- the fuel gas in the first flow path 27 flows into the second flow path 29 after being filtered by the filter 14 to remove foreign matter.
- the fuel gas that has flowed into the second flow path 29 flows out of the second flow path 29 under the open / close control by the shutoff valve 28. Then, the fuel gas flowing out of the second flow path 29 flows into the pressure reducing valve 16 and is supplied to the engine 11 after being decompressed by the pressure reducing valve 16.
- the basic configuration of the fuel gas supply device 40 of the present embodiment is the same as that of the first embodiment.
- a filter 14 for filtering fuel gas is not provided.
- the fuel gas supply device 40 in the present embodiment includes the manifold 41 as in the first embodiment, but the flow path in the manifold 41 is a non-isolated continuous flow.
- the simple and more inexpensive configuration is achieved only by the presence of various types of flow channels 42.
- the manifold 41 is connected to the filling port 4, the check valve 30, the pressure sensor 15, and the shutoff valve 28, so that the pipe 2 And the number of joints 3 for connecting the pipes 2 can be reduced.
- a check valve 30 is located in the flow path 42 of the manifold 41, and a check valve 30 between the valve element 30a of the check valve 30 and the valve element 4a of the filling port 4 is provided.
- FIG. 6 shows a third embodiment of the fuel gas supply device according to the present invention.
- the fuel gas supply device 44 is a continuous non-isolated fuel gas supply device.
- the second embodiment is the same as the second embodiment in that a check valve 30, a pressure sensor 15, and a shutoff valve 28 are connected to a manifold 41 having different types of flow paths 42.
- the fuel gas supply device 44 in the present embodiment has the filling port 4 connected to the manifold 41 via a pipe 45,
- the pipe 45 itself is a weak portion having a small mechanical strength.
- a check valve 30 is located in the flow path 42 of the manifold 41, and a valve body 30a of the check valve 30 as a fragile portion and a valve body 4 of the filling port 4 are provided. With the piping 45 between them, the check valve 30 can be effectively prevented from being damaged in an emergency. Note that the present invention is not limited to the above-described embodiment, and various modifications can be made as necessary.
- the engine 11 is described as the supply-side device.However, the present invention is not limited to this, and even when another device such as a fuel cell is prepared on the supply side.
- the number of steps and costs can be reduced, and the size can be reduced.Furthermore, it is possible to prevent the check valve from being damaged in an emergency and to safely fill the fuel gas tank 9 with fuel gas. It is possible to obtain an excellent effect of being able to do so.
- check valves 30 located in the flow paths 27 and 42 of the manifolds 26 and 41 may be provided.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/006156 WO2005106318A1 (ja) | 2004-04-28 | 2004-04-28 | 燃料ガス供給装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/006156 WO2005106318A1 (ja) | 2004-04-28 | 2004-04-28 | 燃料ガス供給装置 |
Publications (1)
Publication Number | Publication Date |
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WO2005106318A1 true WO2005106318A1 (ja) | 2005-11-10 |
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PCT/JP2004/006156 WO2005106318A1 (ja) | 2004-04-28 | 2004-04-28 | 燃料ガス供給装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102042127A (zh) * | 2009-10-19 | 2011-05-04 | 本田技研工业株式会社 | 气体燃料供给装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57139800U (ja) * | 1981-02-27 | 1982-09-01 | ||
JPH09291862A (ja) * | 1996-04-26 | 1997-11-11 | Honda Motor Co Ltd | 自動車の加圧燃料配管構造およびその配管漏れ検査方法 |
-
2004
- 2004-04-28 WO PCT/JP2004/006156 patent/WO2005106318A1/ja active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57139800U (ja) * | 1981-02-27 | 1982-09-01 | ||
JPH09291862A (ja) * | 1996-04-26 | 1997-11-11 | Honda Motor Co Ltd | 自動車の加圧燃料配管構造およびその配管漏れ検査方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102042127A (zh) * | 2009-10-19 | 2011-05-04 | 本田技研工业株式会社 | 气体燃料供给装置 |
CN102042127B (zh) * | 2009-10-19 | 2013-05-08 | 本田技研工业株式会社 | 气体燃料供给装置 |
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