System for producing hydrogen making use of a stream of water
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F03B-013/00
F03B-013/10
H02P-009/04
출원번호
US-0129600
(2000-11-13)
등록번호
US-7352074
(2008-04-01)
우선권정보
NL-1013559(1999-11-11)
국제출원번호
PCT/NL00/000828
(2000-11-13)
§371/§102 date
20020529
(20020529)
국제공개번호
WO01/034973
(2001-05-17)
발명자
/ 주소
Pas,Peter Alexander Josephus
출원인 / 주소
Pas,Peter Alexander Josephus
대리인 / 주소
Kirkpatrick & Lockhart Preston Gates Ellis LLP
인용정보
피인용 횟수 :
23인용 특허 :
53
초록▼
A system for producing hydrogen from water, making use of a stream of water such as a gulf stream or tidal stream, includes a number of submerged modules, each having a turbine that can be driven by the stream of water. The turbine is coupled to a generator for generating electrical energy. Each mod
A system for producing hydrogen from water, making use of a stream of water such as a gulf stream or tidal stream, includes a number of submerged modules, each having a turbine that can be driven by the stream of water. The turbine is coupled to a generator for generating electrical energy. Each module may have submerged decomposition means for decomposing water into hydrogen and oxygen using the electrical energy generated. The modules are provided with means to control the depth of the modules below water level, and furthermore with means for automatically orienting the front of the modules--viewed in the longitudinal direction of the turbines--to the direction of flow of the water or an angular position deviating therefrom.
대표청구항▼
The invention claimed is: 1. A system for producing hydrogen from a stream of water flowing over a stream bed, the stream optionally being a gulf stream or a tidal stream, wherein the system comprises: (a) at least one hydrogen-generating submergible module having a front and a rear and being dispo
The invention claimed is: 1. A system for producing hydrogen from a stream of water flowing over a stream bed, the stream optionally being a gulf stream or a tidal stream, wherein the system comprises: (a) at least one hydrogen-generating submergible module having a front and a rear and being disposable in the stream of water for the water to flow from the front to the rear, the or each submergible module comprising: (i) a turbine drivable by the stream of water: (ii) an electricity generator coupled with the turbine to generate electricity when the turbine is driven; (iii) a water decomposition apparatus to decompose water into hydrogen using electricity generated by the electricity generator, the water decomposition apparatus being accommodated in the submergible module; and (iv) a depth control subsystem to adjust the depth of the submergible module in the water stream, the depth control subsystem comprising at least one ballast tank and one or more pumps to supply ballast water to, and discharge ballast water from, the at least one ballast tank. 2. A system according to claim 1 wherein the submergible module comprises a housing housing the turbine and wherein the depth control subsystem comprises at least one rudder blade mounted on the housing and hingeable about a horizontal axis. 3. A system according to claim 2 wherein the or each submergible module comprises an orientation subsystem to automatically orient the front of the module to face into the direction of flow of the water or to controllably face at an angular position deviating from the direction of flow of the water. 4. A system according to claim 3 comprising an access tower mounted on the top of the or each submergible module to provide personnel access to the interior of the module. 5. A system according to claim 4 wherein, in the or each submergible module, the electricity generator has a generator shaft and the electricity generator is radially offset from the turbine and wherein the or each submergible module comprises a gear transmission and a rotary rod to transmit rotary movement of the turbine to the generator shaft. 6. A system according to claim 5 comprising a module anchor anchored to the bed of the stream of water and wherein the or each submergible module comprises at least two sloping or horizontal cables attachable between the front of the or each submergible module and the module anchor to secure the or each submergible module. 7. A system according to claim 6 comprising multiple said submergible modules, and multiple said module anchors, each submergible module being attachable to a respective module anchor, the system further comprising a local hydrogen transport line extending from each submergible module, a hydrogen storage tower anchored on the stream bed and a central hydrogen transport line in communication with the hydrogen storage tower wherein the local and central hydrogen transport lines are joined at respective ones of the module anchors. 8. A system according to claim 5 wherein the or each submergible module comprises a venturi-tube-shaped continuous flow channel housing the respective turbine, the continuous flow channel having, in sequence from the front to the rear of the submergible module, a narrowing channel section, a narrow channel section and a widening channel section, the narrowing channel section merging into the narrow channel section and the narrow channel section merging into the widening channel section. 9. A system according to claim 4 wherein the access tower comprises a top section to protrude above water level and, optionally, comprises a stairway extending through the length of the tower. 10. A system according to claim 3, wherein, in the or each submergible module, the orientation subsystem comprises a rudder blade hingeable about a vertical axis. 11. A system according to claim 1 wherein the or each submergible module comprises a grating disposed in front of the turbine of each submergible module. 12. A system according to claim 11 wherein the or each submergible module comprises a movable arm and one or more brushes mounted on the movable arm to clean the grating. 13. A system according to claim 1 wherein, in the or each submergible module, the turbine comprises turbine blades of hollow construction. 14. A system according to claim 1 wherein, in the or each submergible module, the turbine comprises two sets of blades, the two sets of blades being rotatable by the stream of water in opposing directions about a common axis. 15. A system according to claim 1 wherein the or each submergible module comprises a housing of double-walled construction having transverse partitions and longitudinal partitions and wherein the volumes between the double walls of the housing are divided into chambers by the transverse partitions and the longitudinal partitions. 16. A system according to claim 15 wherein the transverse and the longitudinal partitions comprise openings and the chambers between the double walls comprise chambers communicating, one with another, via the openings in the partitions. 17. A system according to claim 1 comprising a hydrogen storage tower anchored on the stream bed, the storage tower comprising tanks to receive hydrogen from the at least one submergible module, a jetty, and means for transferring hydrogen stored in the tanks to a ship moored at the jetty or to shore. 18. A system according to claim 17 comprising hydrogen transport lines for transporting hydrogen between the or each submergible module and the hydrogen storage tower. 19. A system according to claim 1 wherein the decomposition apparatus comprises an anode and a cathode. 20. A hydrogen-generating submergible module for use in a system for producing hydrogen from a stream of water flowing over a stream bed, the stream optionally being a gulf stream or a tidal stream, the submergible module having a front and a rear and being disposable in the stream of water for the water to flow from the front to the rear, the submergible module comprising: (a) a turbine drivable by the stream of water: (b) an electricity generator coupled with the turbine to generate electricity when the turbine is driven; (c) a water decomposition apparatus to decompose water into hydrogen using electricity generated by the electricity generator, the decomposition apparatus being accommodated in the submergible module; and (c) a depth control subsystem to adjust the depth of the submergible module in the water stream, the depth control subsystem comprising at least one ballast tank and one or more pumps to supply ballast water to, and discharge ballast water from, the at least one ballast tank. 21. A submergible module according to claim 20 wherein the electricity generator has a generator shaft and the electricity generator is radially displaced from the turbine, wherein the turbine comprises two sets of blades, the two sets of blades being rotatable by the stream of water in opposing directions about a common axis, and wherein the submergible module comprises: a housing housing the turbine; an orientation subsystem to automatically orient the front of the module to face into the direction of flow of the water or to controllably face at an angular position deviating from the direction of flow of the water, the orientation subsystem comprising a rudder blade hingeable about a vertical axis; an access tower mounted on the top of each submergible module to provide personnel access to the interior of the module; a gear transmission and a rotary rod to transmit rotary movement of the turbine to the generator shaft; and at least two sloping or horizontal cables attachable between the front of the submergible module and a module anchor to secure the submergible module; and the depth control subsystem comprises at least one rudder blade mounted on the housing and hingeable about a horizontal axis.
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