IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
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출원번호 |
US-0231742
(2011-09-13)
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등록번호 |
US-8690622
(2014-04-08)
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발명자
/ 주소 |
- Pearson, Ronald C.
- Carroll, Michael T.
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
0 인용 특허 :
2 |
초록
A small size floating vessel having a dual fuel system, optimized cargo capacity, and options for selectively operating on diesel fuel and natural gas for maximizing the range of vessel operation and reducing vessel emissions of nitrogen oxides and particulates.
대표청구항
▼
1. A small size floating vessel having a dual fuel system, optimized cargo capacity, and options for operating selectively between diesel fuel and natural gas for maximizing economy of vessel operation and reducing vessel emissions of nitrogen oxides and particulates, wherein the small size floating
1. A small size floating vessel having a dual fuel system, optimized cargo capacity, and options for operating selectively between diesel fuel and natural gas for maximizing economy of vessel operation and reducing vessel emissions of nitrogen oxides and particulates, wherein the small size floating vessel comprises: a. a hull having an overall length ranging from sixty meters to one hundred seventy meters and a draft of up to ten meters;b. a deck disposed over the hull;c. a superstructure disposed over the deck for providing a navigation system and crew quarters;d. a bunkering station disposed above or below the deck for bunkering natural gas and diesel fuel;e. at least one natural gas tank connected to the bunkering station for containing the natural gas, wherein the at least one natural gas tank is disposed beneath the deck and under the superstructure, beneath the deck, or in the superstructure, and wherein a volume of the at least one natural gas tank ranges from one hundred cubic meters to twelve hundred cubic meters;f. a plurality of diesel fuel storage tanks for containing portions of the diesel fuel, wherein each diesel fuel storage tank is mounted below the deck and connected to the bunkering station;g. a plurality of diesel fuel day tanks for containing portions of the diesel fuel, wherein each diesel fuel day tank is mounted above the deck and connected to the plurality of diesel fuel storage tanks, and wherein a volume of the plurality of diesel fuel day tanks and the plurality of diesel fuel storage tanks ranges from one hundred cubic meters to two thousand cubic meters; andh. a propulsion system connected to the at least one natural gas tank, the plurality of diesel fuel day tanks, and the navigation system, wherein the propulsion system is adapted to selectively switch between the at least one natural gas tank and the plurality of diesel fuel day tanks, and wherein the propulsion system comprises: (i) at least one dual fuel engine disposed on the deck, thereby maximizing cargo capacity within the hull, wherein the at least one dual fuel engine is configured to selectively operate on the natural gas or the diesel fuel;(ii) at least one electrical power supply disposed on the deck and connected to the at least one duel fuel engine;(iii) power transmission equipment connected to each electrical power supply; and(iv) at least one azimuthing thruster extending through the hull, wherein the at least one azimuthing thruster is powered by the power transmission equipment. 2. The small size floating vessel of claim 1, wherein the natural gas is a liquefied natural gas or a compressed natural gas, wherein the natural gas is: a. maintained at a pressure ranging from one atmosphere to eleven atmospheres;b. maintained at a temperature ranging from negative one hundred eighty degrees Celsius to negative one hundred fifty degrees Celsius; orc. maintained at a pressure ranging from one atmosphere to eleven atmospheres and maintained at a temperature ranging from negative one hundred eighty degrees Celsius to negative one hundred fifty degrees Celsius. 3. The small size floating vessel of claim 1, wherein the propulsion system comprises at least three electrical power supplies each connected with at least one dual fuel engine. 4. The small size floating vessel of claim 1, wherein the hull comprises a stern that is tapered and configured to rise from a waterline. 5. The small size floating vessel of claim 1, further comprising a bulbous bow on the hull. 6. The small size floating vessel of claim 1, further comprising: a. a global positioning system connected to the navigation system; andb. a processor with a data storage connected to the global positioning system, wherein the data storage comprises: (i) computer instructions to compare an actual location of the small size floating vessel as determined by the global positioning system to stored locations where emissions must be reduced, and to generate at least one alarm when the actual location is at a stored location where emissions must be reduced; and(ii) computer instructions to transmit the alarm to a client device to advise a captain to switch from diesel fuel to natural gas to minimize vessel emissions. 7. The small size floating vessel of claim 6, further comprising a dynamic positioning system connected to the global positioning system, laser reference systems, and acoustic reference systems for holding the small size floating vessel at one location, one heading, or combinations thereof. 8. A small size floating vessel having a dual fuel system, optimized cargo capacity, and options for selectively operating on diesel fuel and natural gas for maximizing economy of vessel operation and reducing vessel emissions of nitrogen oxides and particulates, wherein the small size floating vessel comprises: a. a hull having an overall length ranging from sixty meters to one hundred seventy meters and a draft of up to ten meters;b. a deck disposed over the hull;c. a superstructure disposed over the deck for providing a navigation system and crew quarters;d. a bunkering station disposed above or below the deck for bunkering natural gas and diesel fuel;e. at least one natural gas tank connected to the bunkering station for containing the natural gas, wherein a volume of the at least one natural gas tank ranges from one hundred cubic meters to twelve hundred cubic meters;f. a plurality of diesel fuel storage tanks for containing a portion of the diesel fuel, wherein the plurality of diesel fuel storage tanks are mounted below the deck and connected to the bunkering station;g. a plurality of diesel fuel day tanks for containing a portion of the diesel fuel, wherein the plurality of diesel fuel day tanks are mounted above the deck and connected to the plurality of diesel fuel storage tanks, and wherein a volume of the diesel fuel day tanks and the diesel fuel storage tanks ranges from one hundred cubic meters to two thousand cubic meters; andh. a propulsion system connected to the at least one natural gas tank, the plurality of diesel fuel day tanks, and the navigation system, wherein the propulsion system is adapted to selectively switch between the at least one natural gas tank and the diesel fuel day tanks, and wherein the propulsion system comprises:(i) at least one dual fuel engine disposed on the deck, thereby maximizing cargo capacity within the hull while selectively operating on the natural gas or the diesel fuel;(ii) at least one electrical power supply disposed on the deck and connected to the at least one duel fuel engine;(iii) power transmission equipment connected to each electrical power supply; and(iv) at least one azimuthing thruster extending through the hull and powered by the power transmission equipment. 9. The small sized floating vessel of claim 8, wherein the at least one natural gas tank is disposed: within the superstructure and above the deck, beneath the deck, or beneath the deck and under the superstructure. 10. The small size floating vessel of claim 8, wherein the natural gas is a liquefied natural gas or a compressed natural gas, wherein the natural gas is: a. maintained at a pressure ranging from one atmosphere to eleven atmospheres;b. maintained at a temperature ranging from negative one hundred eighty degrees Celsius to negative one hundred fifty degrees Celsius; orc. maintained at a pressure ranging from one atmosphere to eleven atmospheres and maintained at a temperature ranging from negative one hundred eighty degrees Celsius to negative one hundred fifty degrees Celsius. 11. The small size floating vessel of claim 8, wherein the propulsion system comprises at least three electrical power supplies each connected with at least one dual fuel engine. 12. The small size floating vessel of claim 8, wherein the hull comprises a stern that is tapered and configured to rise from a waterline. 13. The small size floating vessel of claim 8, further comprising a bulbous bow on the hull. 14. The small size floating vessel of claim 8, further comprising: a. a global positioning system connected to the navigation system; andb. a processor with a data storage connected to the global positioning system, wherein the data storage comprises: (i) computer instructions to compare an actual location of the small size floating vessel as determined by the global positioning system to stored locations where emissions must be reduced, and to generate at least one alarm when the actual location is at a stored location where emissions must be reduced; and(ii) computer instructions to transmit the alarm to a client device to advise a captain to switch from diesel fuel to natural gas to minimize vessel emissions. 15. A floating vessel having a dual fuel system, optimized cargo capacity, and options for selectively operating on diesel fuel and natural gas for maximizing economy of vessel operation and reducing vessel emissions of nitrogen oxides and particulates, wherein the floating vessel comprises: a. a hull;b. a deck disposed over the hull;c. a superstructure disposed over the deck for providing a navigation system and crew quarters;d. a bunkering station disposed above or below the deck for bunkering natural gas and diesel fuel;e. at least one natural gas tank connected with the bunkering station for containing the natural gas;f. a plurality of diesel fuel storage tanks for containing a portion of the diesel fuel, wherein the plurality of diesel fuel storage tanks are mounted below the deck and connected to the bunkering station;g. a plurality of diesel fuel day tanks for containing a portion of the diesel fuel, wherein the plurality of diesel fuel day tanks are mounted above the deck and connected to the plurality of diesel fuel storage tanks; andh. a propulsion system connected to the at least one natural gas tank, the plurality of diesel fuel day tanks, and the navigation system, wherein the propulsion system is adapted to selectively switch between the at least one natural gas tank and the plurality of diesel fuel day tanks, and wherein the propulsion system comprises: (i) at least one dual fuel engine disposed on the deck, thereby maximizing cargo capacity within the hull while selectively operating on either the natural gas or the diesel fuel;(ii) at least one electrical power supply disposed on the deck and connected to the at least one duel fuel engine;(iii) power transmission equipment connected to each electrical power supply; and(iv) at least one azimuthing thruster extending through the hull and powered by the power transmission equipment. 16. The floating vessel of claim 15, wherein the at least one natural gas tank is disposed: within the superstructure and above the deck, beneath the deck, or beneath the deck and under the superstructure. 17. The small size floating vessel of claim 15, wherein the natural gas is a liquefied natural gas or a compressed natural gas, wherein the natural gas is: a. maintained at a pressure ranging from one atmosphere to eleven atmospheres;b. maintained at a temperature ranging from negative one hundred eighty degrees Celsius to negative one hundred fifty degrees Celsius; orc. maintained at a pressure ranging from one atmosphere to eleven atmospheres and maintained at a temperature ranging from negative one hundred eighty degrees Celsius to negative one hundred fifty degrees Celsius. 18. The floating vessel of claim 15, wherein the hull comprises a stern that is tapered and configured to rise from a waterline. 19. The floating vessel of claim 15, further comprising a bulbous bow on the hull. 20. The floating vessel of claim 15, further comprising: a. a global positioning system connected to the navigation system; andb. a processor with a data storage connected to the global positioning system, wherein the data storage comprises: (i) computer instructions to compare an actual location of the small size floating vessel as determined by the global positioning system to stored locations where emissions must be reduced, and to generate at least one alarm when the actual location is at a stored location where emissions must be reduced; and(ii) computer instructions to transmit the alarm to a client device to advise a captain to switch from diesel fuel to natural gas to minimize vessel emissions.
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