Hydrogen gas supply systems for hydrogen engine and method of supplying hydrogen gas to the hydrogen gas supply system
First Claim
1. A hydrogen gas supply system for a hydrogen engine comprising a hydrogen gas cartridge having a casing in which hydrogen gas storage alloy and a heating medium passage for heating the hydrogen gas storage alloy are housed, a hydrogen gas supply passage which leads hydrogen gas discharged from the hydrogen gas cartridge to the engine, a heating medium supply passage which supplies heating medium to the heating medium passage in the hydrogen gas cartridge and a heating medium return passage through which the heating medium flows out of the hydrogen gas cartridge is returned, characterized in thatthe hydrogen gas cartridge is provided with a hydrogen gas takeout port through which the hydrogen gas discharged from the hydrogen gas storage alloy is taken out, a heating medium inlet through which the heating medium supplied from the heating medium supply passage flows into the heating medium passage and a heating medium outlet through which the heating medium flowing into the heating medium passage flows out of the hydrogen gas cartridge,and the hydrogen gas cartridge is detachably attached to the engine with the hydrogen gas takeout port, the heating medium inlet and the heating medium outlet being respectively connected to and disconnected frown the hydrogen gas supply passage, the heating medium supply passage and the heating medium return passage in response to attachment and detachment of the hydrogen gas cartridge;
- wherein a plurality of first joint portions are connected to said hydrogen gas supply in parallel to each other by way of branch passages, each of the first joint portions being adapted to be connected with the hydrogen gas takeout port of the hydrogen gas cartridge and a plurality of said hydrogen gas cartridges are attached to the engine with the hydrogen gas takeout port of each hydrogen gas cartridge connected to one of the first joint portions of the hydrogen gas supply passage.
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Accused Products
Abstract
A hydrogen gas supply system for a hydrogen engine has a hydrogen gas cartridge which is detachably attached to the engine. The cartridge has a casing in which hydrogen gas storage alloy and a heating medium passage for heating the hydrogen gas storage alloy are housed. The engine is provided with a hydrogen gas supply passage which leads hydrogen gas discharged from the hydrogen gas cartridge to the engine, a heating medium supply passage which supplies heating medium to the heating medium passage in the hydrogen gas cartridge and a heating medium return passage through which the heating medium flows out of the hydrogen gas cartridge is returned. The hydrogen gas cartridge is provided with a hydrogen gas takeout port, a heating medium inlet and a heating medium outlet. The hydrogen gas takeout port, the heating medium inlet and the heating medium outlet are respectively connected to and disconnected from the hydrogen gas supply passage, the heating medium supply passage and the heating medium return passage in response to attachment and detachment of the hydrogen gas cartridge.
34 Citations
23 Claims
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1. A hydrogen gas supply system for a hydrogen engine comprising a hydrogen gas cartridge having a casing in which hydrogen gas storage alloy and a heating medium passage for heating the hydrogen gas storage alloy are housed, a hydrogen gas supply passage which leads hydrogen gas discharged from the hydrogen gas cartridge to the engine, a heating medium supply passage which supplies heating medium to the heating medium passage in the hydrogen gas cartridge and a heating medium return passage through which the heating medium flows out of the hydrogen gas cartridge is returned, characterized in that
the hydrogen gas cartridge is provided with a hydrogen gas takeout port through which the hydrogen gas discharged from the hydrogen gas storage alloy is taken out, a heating medium inlet through which the heating medium supplied from the heating medium supply passage flows into the heating medium passage and a heating medium outlet through which the heating medium flowing into the heating medium passage flows out of the hydrogen gas cartridge, and the hydrogen gas cartridge is detachably attached to the engine with the hydrogen gas takeout port, the heating medium inlet and the heating medium outlet being respectively connected to and disconnected frown the hydrogen gas supply passage, the heating medium supply passage and the heating medium return passage in response to attachment and detachment of the hydrogen gas cartridge; wherein a plurality of first joint portions are connected to said hydrogen gas supply in parallel to each other by way of branch passages, each of the first joint portions being adapted to be connected with the hydrogen gas takeout port of the hydrogen gas cartridge and a plurality of said hydrogen gas cartridges are attached to the engine with the hydrogen gas takeout port of each hydrogen gas cartridge connected to one of the first joint portions of the hydrogen gas supply passage.
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2. A hydrogen gas supply system for a hydrogen engine comprising a hydrogen gas cartridge having a casing in which hydrogen gas storage alloy and a heating medium passage for heating the hydrogen gas storage alloy are housed, a hydrogen gas supply passage which leads hydrogen gas discharged from the hydrogen gas cartridge to the engine, a heating medium supply passage which supplies heating medium to the heating medium passage in the hydrogen gas cartridge and a heating medium return passage through which the heating medium flows out of the hydrogen gas cartridge is returned, characterized in that
the hydrogen gas cartridge is provided with a hydrogen gas takeout port through which the hydrogen gas discharged from the hydrogen gas storage alloy is taken out, a heating medium inlet through which the heating medium supplied from the heating medium supply passage flows into the heating medium passage and a heating medium outlet through which the heating medium flowing into the heating medium passage flows out of the hydrogen gas cartridge, and the hydrogen gas cartridge is attached to the engine with the hydrogen gas takeout port, the heating medium inlet and the heating medium outlet being respectively connected to the hydrogen gas supply passage, the heating medium supply passage and the heating medium return passage wherein a plurality of first joint portions are connected to said hydrogen gas supply passage in parallel to each other by way of branch passages, each of the first joint portions being adapted to be connected with the hydrogen gas takeout port of the hydrogen gas cartridge and a plurality of said hydrogen gas cartridges are attached to the engine with the hydrogen gas takeout port of each hydrogen gas cartridge connected to one of the first joint portions of the hydrogen gas supply passage; - and
said heating medium supply passage and the heating medium return passage are respectively provided with second and third joint portions and said hydrogen gas cartridges are arranged in a row while the heating medium inlet of the hydrogen gas cartridge at one end of the row is connected to the second joint portion, and the heating medium outlet of the hydrogen gas cartridge at the other end of the row is connected to the third joint portion with the heating medium inlet of each of the intermediate hydrogen gas cartridges being connected to the heating medium outlet of the hydrogen gas cartridge on the upstream side, whereby the heating medium passages in the respective hydrogen gas cartridges are connected in series between the heating medium supply passage and the heating medium return passage. - View Dependent Claims (3, 4)
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5. A hydrogen gas supply system for a hydrogen engine comprising a hydrogen gas cartridge having a casing in which hydrogen gas storage alloy and a heating medium passage for heating the hydrogen gas storage alloy are housed, a hydrogen gas supply passage which leads hydrogen gas discharged from the hydrogen gas cartridge to the engine, a heating medium supply passage which supplies heating medium to the heating medium passage in the hydrogen gas cartridge and a heating medium return passage through which the heating medium flows out of the hydrogen gas cartridge is returned,
wherein a plurality of valve means are provided in the respective passages, a first pressure sensor is provided in the hydrogen gas supply passage downstream of the valve means, a second pressure sensor is provided in each passage upstream of the valve, and a valve control means which determines the states of charge of the respective hydrogen gas cartridges on the basis the outputs of the second pressure sensors, and selectively opens one of the valve means to communicate the hydrogen gas supply passage with the hydrogen gas cartridge which corresponds to the valve means and is filled with a sufficient quantity of hydrogen gas while closing the valve means which has been opened when the pressure detected by the first pressure sensor is lower than a predetermined value; -
wherein the hydrogen gas cartridge is provided with a hydrogen gas takeout port through which the hydrogen gas discharged from the hydrogen gas storage alloy is taken out, a heating medium inlet through which the heating medium supplied from the heating medium supply passage flows into the heating medium passage and a heating medium outlet through which the heating medium flowing into the heating medium passage flows out of the hydrogen gas cartridge, the hydrogen gas cartridge is attached to the engine with the hydrogen gas takeout port, the heating medium inlet and the heating medium outlet being respectively connected to the hydrogen gas supply passage, the heating medium supply passage and the heating medium return passage; a plurality of first joint portions are connected to said hydrogen gas supply passage in parallel to each other by way of branch passages, each of the first joint portions being adapted to be connected with the hydrogen gas takeout port of the hydrogen gas cartridge and a plurality of said hydrogen gas cartridges are attached to the engine with the hydrogen gas takeout port of each hydrogen gas cartridge connected to one of the first joint portions of the hydrogen gas supply passage. - View Dependent Claims (6, 7, 8)
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9. A hydrogen gas supply system for a hydrogen engine comprising a hydrogen gas cartridge having a casing in which hydrogen gas storage alloy and a heating medium passage for heating the hydrogen gas storage alloy are housed, a hydrogen gas supply passage which leads hydrogen gas discharged from the hydrogen gas cartridge to the engine, a heating medium supply passage which supplies heating medium to the heating medium passage in the hydrogen gas cartridge and a heating medium return passage through which the heating medium flows out of the hydrogen gas cartridge is returned, characterized in that
the hydrogen gas cartridge is provided with a hydrogen gas takeout port through which the hydrogen gas discharged from the hydrogen gas storage alloy is taken out, a heating medium inlet through which the heating medium supplied from the heating medium supply passage flows into the heating medium passage and a heating medium outlet through which the heating medium flowing into the heating medium passage flows out of the hydrogen gas cartridge, the hydrogen gas cartridge is attached to the engine with the hydrogen gas takeout port, the heating medium inlet and the heating medium outlet being respectively connected to the hydrogen gas supply passage, the heating medium supply passage and the heating medium return passage the hydrogen gas supply passage, the heating medium supply passage and the heating medium return passage respectively provided with first to third joint portions and a plurality of said hydrogen gas cartridges are attached to the engine in a row, each hydrogen gas cartridge being further provided with a connection port which communicates with the hydrogen storage alloy and opens toward outside the casing, wherein the hydrogen gas takeout port and the heating medium inlet of the hydrogen gas cartridge at one end of the row are respectively connected to the first and second joint portions, the heating medium outlet of the hydrogen gas cartridge at the other end of the row is connected to the third joint portion, the hydrogen gas takeout port and the heating medium inlet of each of the intermediate hydrogen gas cartridges being respectively connected to the connection port and the heating medium outlet of the hydrogen gas cartridge on the upstream side, whereby the heating medium passages in the respective hydrogen gas cartridges are connected in series between the heating medium supply passage and the heating medium return passage and the hydrogen storage alloys in the respective hydrogen gas cartridges are connected to the hydrogen gas supply passage in series with each other.
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12. A hydrogen gas supply system for a hydrogen engine comprising a hydrogen gas cartridge having a casing in which hydrogen gas storage alloy and a heating medium passage for heating the hydrogen gas storage alloy are housed, a hydrogen gas supply passage which leads hydrogen gas discharged from the hydrogen gas cartridge to the engine, a heating medium supply passage which supplies heating medium to the heating medium passage in the hydrogen gas cartridge and a heating medium return passage through which the heating medium flows out of the hydrogen gas cartridge is returned, characterized in that
the hydrogen gas cartridge is provided with a hydrogen gas takeout port through which the hydrogen gas discharged from the hydrogen gas storage alloy is taken out, a heating medium inlet through which the heating medium supplied from the heating medium supply passage flows into the heating medium passage and a heating medium outlet through which the heating medium flowing into the heating medium passage flows out of the hydrogen gas cartridge, the hydrogen gas cartridge is attached to the engine with the hydrogen gas takeout port, the heating medium inlet and the heating medium outlet being respectively connected to the hydrogen gas supply passage, the heating medium supply passage and the heating medium return passage the hydrogen gas supply passage, the heating medium supply passage and the heating medium return passage are respectively provided with first to third joint portions and a plurality of said hydrogen gas cartridges are attached to the engine in first and second rows, each hydrogen gas cartridge being further provided with a connection port which communicates with the hydrogen storage alloy and opens toward outside the casing, wherein the hydrogen gas takeout port of the hydrogen gas cartridge at one end of each row is connected to the first joint portion while the hydrogen gas takeout port of each of the intermediate hydrogen gas cartridges in each row is connected to the connection port of the hydrogen gas cartridge on the upstream side with the connection port of the hydrogen gas cartridge at the other end of each row closed, the heating medium inlet of the hydrogen gas cartridge at one end of the first rows is connected to said second joint portions while the heating medium outlet of the hydrogen gas cartridge at one end of the second row is connected to the third joint portion, the heating medium inlet of each of the intermediate hydrogen gas cartridges in each row being connected to the heating medium outlet of the hydrogen gas cartridge on the upstream side and the heating medium outlet of the hydrogen gas cartridge at the other end of the first row being connected to the heating medium inlet of the hydrogen gas cartridge at the other end of the first row being connected to the heating medium inlet of the hydrogen gas cartridge at the other end of the second row by way of a communicating passage, whereby the heating medium passages in the respective hydrogen gas cartridges in both the rows are connected in series between the heating medium supply passage and the heating medium return passage and the hydrogen storage alloys in the respective hydrogen gas cartridges in each row are connected to the hydrogen gas supply passage in series with each other.
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15. A hydrogen gas supply system for a hydrogen engine comprising a hydrogen gas cartridge having a casing in which hydrogen gas storage alloy and a heating medium passage for heating the hydrogen gas storage alloy are housed, a hydrogen gas supply passage which leads hydrogen gas discharged from the hydrogen gas cartridge to the engine, a heating medium supply passage which supplies heating medium to the heating medium passage in the hydrogen gas cartridge and a heating medium return passage through which the heating medium flows out of the hydrogen gas cartridge is returned, characterized in that
the hydrogen gas cartridge is provided with a hydrogen gas takeout port through which the hydrogen gas discharged from the hydrogen gas storage alloy is taken out, a heating medium inlet through which the heating medium supplied from the heating medium supply passage flows into the heating medium passage and a heating medium outlet through which the heating medium flowing into the heating medium passage flows out of the hydrogen gas cartridge, the hydrogen gas cartridge is attached to the engine with the hydrogen gas takeout port, the heating medium inlet and the heating medium outlet being respectively connected to the hydrogen gas supply passage, the heating medium supply passage and the heating medium return passage the hydrogen gas supply passage, the heating medium supply passage and the heating medium return passage are respectively provided with first to third joint portions and a plurality of said hydrogen gas cartridges are attached to the engine in a row, each hydrogen gas cartridge being further provided with a connection port which communicates with the hydrogen storage alloy and opens toward outside the casing and the heating medium passage of each hydrogen gas cartridge comprising first and second heating medium passages each having heating medium inlet and outlet, wherein the hydrogen gas takeout port of the hydrogen gas cartridge at one end of the row is connected to the first joint portion while the hydrogen gas takeout port of each of the intermediate hydrogen gas cartridges in the row is connected to the connection port of the hydrogen gas cartridge on the upstream side with the connection port of the hydrogen gas cartridge at the other end of each row closed, and the heating medium inlet of the first heating medium passage of the hydrogen gas cartridge at one end of the row is connected to said second joint portion while the heating medium outlet of the second heating medium passage of the hydrogen gas cartridge at said one end of the row is connected to the third joint portion, the heating medium inlet of the first heating medium passage of each of the intermediate hydrogen gas cartridges in the row being connected to the heating medium outlet of the first heating medium passage of the hydrogen gas cartridge on the side nearer to said one end of the row, the heating medium outlet of the second heating medium passage of each of the intermediate hydrogen gas cartridges in the row being connected to the heating medium inlet of the second heating medium passage of the hydrogen gas cartridge on the side nearer to said one end of the row and the heating medium outlet of the first heating medium passage of the hydrogen gas cartridge at the other end of the row being connected to the heating medium inlet of the second heating medium passage thereof by way of a communicating passage.
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18. A hydrogen gas supply system for a hydrogen engine comprising a hydrogen gas cartridge having a casing in which a hydrogen gas storage alloy is housed, a hydrogen gas supply passage which leads hydrogen gas discharged from the hydrogen gas cartridge to the engine, characterized in that
the hydrogen gas cartridge is provided with a hydrogen gas takeout port through which the hydrogen gas discharged from the hydrogen gas storage alloy is taken out, and the hydrogen gas cartridge is detachably attached to the engine with the hydrogen gas takeout port, being connected to and disconnected from the hydrogen gas supply passage, wherein a plurality of first joint portions are connected to said hydrogen gas supply in parallel to each other by way of branch passages, each of the first joint portions being adapted to be connected with the hydrogen gas takeout port of the hydrogen gas cartridge and a plurality of said hydrogen gas cartridges are attached to the engine with the hydrogen gas takeout port of each hydrogen gas cartridge connected to one of the first joint portions of the hydrogen gas supply passage.
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19. A hydrogen gas supply system for a hydrogen engine comprising a hydrogen gas cartridge having a casing in which a hydrogen gas storage alloy is housed, a hydrogen gas supply passage which leads hydrogen gas discharged from the hydrogen gas cartridge to the engine,
a plurality of first joint portions are connected to said hydrogen gas supply passage in parallel to each other by way of branch passages, each of the first joint portions being adapted to be connected with the hydrogen gas takeout port of the hydrogen gas cartridge and a plurality of said hydrogen gas cartridges are attached to the engine with the hydrogen gas takeout port of each hydrogen gas cartridge connected to one of the first joint portions of the hydrogen gas supply passage, wherein a plurality of valve means are provided in the respective branch passages, a first pressure sensor provided in the hydrogen gas supply passage downstream of the valve means, a second pressure sensor provided in each branch passage upstream of the valve, and a valve control means for determining the state of charge of the respective hydrogen gas cartridges on the basis of the outputs of the second pressure sensors, and for selectively opening one of the valve means to communicate the hydrogen gas supply passage with the hydrogen gas cartridge which corresponds to the valve means and is filled with a sufficient quantity of hydrogen gas while closing the valve means which has been opened when the pressure detected by the first pressure sensor is lower than a predetermined value; wherein the hydrogen gas cartridge is provided with a hydrogen gas takeout port through which the hydrogen gas discharged from the hydrogen gas storage alloy is taken out, and the hydrogen gas cartridge is attached to the engine with the hydrogen gas takeout port being connected to the hydrogen gas supply passage. - View Dependent Claims (20, 21)
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22. A hydrogen gas supply system for a hydrogen engine comprising a hydrogen gas cartridge having a casing in which a hydrogen gas storage alloy is housed, a hydrogen gas supply passage which leads hydrogen gas discharged from the hydrogen gas cartridge to the engine, characterized in that
the hydrogen gas cartridge is provided with a hydrogen gas takeout port through which the hydrogen gas discharged from the hydrogen gas storage alloy is taken out, the hydrogen gas cartridge is attached to the engine with the hydrogen gas takeout port being connected to the hydrogen gas supply passage, the hydrogen gas supply passage is provided with first joint portions and a plurality of said hydrogen gas cartridges are attached to the engine in a row, each hydrogen gas cartridge being further provided with a connection port which communicates with the hydrogen storage alloy and opens toward outside the casing, wherein the hydrogen gas takeout port at one end of the row is connected to the first joint portion, and the hydrogen gas takeout port of each of the intermediate hydrogen gas cartridges being connected to the connection port of the hydrogen gas cartridge on the upstream side, whereby the hydrogen storage alloys in the respective hydrogen gas cartridges are connected to the hydrogen gas supply passage in series with each other.
Specification