IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0613385
(2003-07-03)
|
등록번호 |
US-7287558
(2007-10-30)
|
발명자
/ 주소 |
|
출원인 / 주소 |
- Arizona Public Service Company
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
13 인용 특허 :
9 |
초록
▼
Systems for handling and/or dispensing hydrogen or a mixture of fuels containing hydrogen gas including refueling stations for hydrogen-powered vehicles. Pure hydrogen or various mixtures ratios of hydrogen and CNG may be dispensed. Hydrogen handling equipment may include a hydrogen generator, a pre
Systems for handling and/or dispensing hydrogen or a mixture of fuels containing hydrogen gas including refueling stations for hydrogen-powered vehicles. Pure hydrogen or various mixtures ratios of hydrogen and CNG may be dispensed. Hydrogen handling equipment may include a hydrogen generator, a pressurizing apparatus or compressor, pressure vessels, piping, valves, vent pipes, and/or a dispenser. Substantially vertical orientation of pressure vessels may reduce the amount of land required and facilitate installation in urban environments. Pressurization may take place before hydrogen generation to reduce the power required for pressurization. Safety features include enclosures and surrounding walls that lean away from the equipment. Any leaking hydrogen, fires, or explosions may be contained and/or directed upward, protecting human life and property. Systems may be shop assembled and certified.
대표청구항
▼
What is claimed is: 1. A system for handling hydrogen built on a ground surface, said system comprising hydrogen handling equipment including at least piping and valves containing hydrogen, said hydrogen handling equipment being contained within a substantially sealed enclosure located within a str
What is claimed is: 1. A system for handling hydrogen built on a ground surface, said system comprising hydrogen handling equipment including at least piping and valves containing hydrogen, said hydrogen handling equipment being contained within a substantially sealed enclosure located within a structure that is affixed to the ground, said structure comprising a floor, a plurality of walls emanating from said floor at an angle greater than ninety degrees, and an open top defined by said plurality of walls, wherein said open top has a larger area than an area of said floor, said enclosure being vented to the atmosphere through a vent pipe terminating at a location higher than said equipment. 2. The system of claim 1, said enclosure being cylindrical. 3. The system of claim 1, said enclosure and said vent pipe being configured to withstand the detonation of a stoichiometric mixture of hydrogen and air in said enclosure. 4. The system of claim 1, further comprising a fire suppression system configured to introduce a substantially inert gas into said enclosure. 5. The system of claim 1, said system being configured to refuel vehicles that consume substantially pure hydrogen. 6. The system of claim 1, said hydrogen being gas, said system being configured to refuel internal-combustion engine powered vehicles that consume a mixture comprising hydrogen gas and at least one other flammable gas. 7. The system of claim 6, said system being configured to dispense at least a plurality of substantially different mixture ratios of hydrogen gas and natural gas. 8. The system of claim 1, said hydrogen being gas, said system being configured to dispense hydrogen gas into a stationary natural gas system. 9. The system of claim 1, the hydrogen being hydrogen gas, said equipment further comprising at least one compressor configured to compress the hydrogen gas. 10. The system of claim 1, the system further comprising at least one hydrogen gas storage pressure vessel, said pressure vessel being oriented with a substantially vertical axis, said pressure vessel having a top end and a bottom end. 11. The system of claim 10, having a plurality of said hydrogen gas storage pressure vessels, each said pressure vessel being oriented with a substantially vertical axis, and each said pressure vessel having at least one control valve piped thereto, the system having a separate said enclosure for said at least one control valve for each pressure vessel. 12. The system of claim 1, at least some of said piping being located within said vent pipe. 13. The system of claim 1, said system being substantially shop assembled and tested. 14. The system of claim 1: said hydrogen being gas, said system being a stationary facility configured to refuel vehicles that consume hydrogen gas; said enclosure and said vent pipe being configured to withstand the detonation of a mixture of hydrogen and air in said enclosure; said system comprising a pressurizing apparatus configured to obtain the result of the hydrogen gas being pressurized; said system comprising at least one pressure vessel containing hydrogen gas, said pressure vessel being a cylinder oriented substantially vertically, said pressure vessel having a top end and a bottom end; said system further comprising at least one supply pipe containing the hydrogen gas and configured to carry the hydrogen gas to at least one said pressure vessel, said supply pipe containing the hydrogen gas being connected to said pressure vessel; said system further comprising a dispenser containing the hydrogen gas and configured to dispense the hydrogen gas to the vehicles; and said system further comprising a dispensing pipe containing the hydrogen gas and configured to carry the hydrogen gas to the dispenser. 15. The system of claim 14, wherein said at least one pressure vessel is stored partially below grade. 16. The system of claim 1, said hydrogen being gas, said system being configured to refuel vehicles that consume substantially pure compressed hydrogen gas. 17. The system of claim 1, said hydrogen being gas, said system being configured to refuel internal-combustion engine powered vehicles that consume a mixture comprising hydrogen gas and at least one other flammable gas. 18. The system of claim 1, said system being configured to dispense at least a plurality of substantially different mixture ratios of hydrogen gas and natural gas. 19. The system of claim 1, said equipment further comprising at least one hydrogen generator configured to generate said hydrogen. 20. The system of claim 1, said hydrogen being gas, said equipment further comprising at least one compressor configured to compress said hydrogen gas. 21. The system of claim 1, said hydrogen being gas, said equipment further comprising at least one pressure vessel configured to store said hydrogen gas. 22. The system of claim 21: said equipment further comprising a pressurizing apparatus containing the hydrogen gas; and said system being configured to dispense at least a plurality of substantially different mixture ratios of hydrogen gas and natural gas. 23. The system of claim 21, said pressure vessel being a cylinder oriented with a substantially vertical axis, said pressure vessel having a top end and a bottom end. 24. The system of claim 1, wherein said equipment further comprises a pressurizing apparatus and at least one of a pressure vessel and a hydrogen generator. 25. A hydrogen handling system built on a ground surface, said system comprising hydrogen handling equipment comprising piping and valves containing hydrogen, said equipment being contained within a substantially sealed enclosure located within a structure configured to withstand the detonation of a hydrogen mixture in said enclosure, said structure comprising a floor, a plurality of walls emanating from said floor at an angle greater than ninety degrees, and an open top defined by said plurality of walls, wherein said open top has a larger area than an area of said floor, said enclosure being vented to the atmosphere through a vent pipe terminating at a location higher than said equipment. 26. The system of claim 25, further comprising at least one pressure vessel containing hydrogen gas and configured to store hydrogen gas that is stored partially below grade.
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