IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
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출원번호 |
US-0377029
(2003-03-03)
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발명자
/ 주소 |
- Abdel-Maksoud, Moustafa
- Rzadki, Wolfgang
- Horn, Hannes Schulze
- Tiemens, Heinz
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출원인 / 주소 |
- Siemens Aktiengesellschaft
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
3 인용 특허 :
9 |
초록
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A propulsion system for a large watercraft, e.g., for a high-speed, military surface craft, includes at least one water jet propulsion device (water jet) beneath the vessel. An operating method of such a system includes propulsive energy by combustion engines, e.g., gas turbines, and distributing th
A propulsion system for a large watercraft, e.g., for a high-speed, military surface craft, includes at least one water jet propulsion device (water jet) beneath the vessel. An operating method of such a system includes propulsive energy by combustion engines, e.g., gas turbines, and distributing the exhaust gases created by the combustion engines beneath the vessel in the water by the use of water flow of the water jet system. In such a method, the water flow speed of the water jet system is adjusted in accordance with the requirements of exhaust gas discharge and distribution.
대표청구항
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1. An operating method for a propulsion system of a large watercraft including at least one water jet propulsion system located beneath the watercraft, the method comprising:generating propulsive energy by at least one combustion engine; distributing exhaust gases, created by the at least one combus
1. An operating method for a propulsion system of a large watercraft including at least one water jet propulsion system located beneath the watercraft, the method comprising:generating propulsive energy by at least one combustion engine; distributing exhaust gases, created by the at least one combustion engine, beneath the watercraft in the water by using water flow of the at least one water jet propulsion system; and adjusting speed of the water flow of the at least one water jet propulsion system in accordance with requirements of exhaust gas discharge and distribution. 2. The operating method of claim 1, wherein the watercraft includes at least one water jet propulsion system driven by electric energy, wherein the electric energy is generated at least in part by at least one generator driven by the at least one combustion engine.3. The operating method of claim 1, wherein the exhaust gas discharge into the water beneath the watercraft occurs without raising the exhaust gas pressure.4. The operating method of claim 1, wherein the water flow speed creates a negative pressure area on an outlet of the water flow out of the water jet propulsion system at a pressure that is below the exhaust gas pressure.5. The operating method of claim 1, wherein the speed of the water flow of the water jet propulsion system is adjusted independent from the watercraft speed.6. The operating method of claim 1, wherein the speed of the water flow of the water jet propulsion system is adjusted by changing the cross-section of the water flow.7. The operating method of claim 1, wherein the speed of the water flow of the water jet propulsion system is adjusted through a controlled change in the water flow speed through the water jet propulsion system.8. The operating method of claim 1, wherein the change in water flow speed through the water jet propulsion system occurs with adjusting elements.9. The operating method of claim 1, wherein the water flow speed of the water jet propulsion system is adjusted through a change in the cross-section of the water flow.10. The operating method of claim 9, wherein the change in cross-section occurs with lead elements, arranged in the interior of the water jet.11. The operating method of claim 9 wherein the change in cross-section occurs with lead elements arranged on the outside of the water jet.12. The operating method of claim 1, wherein the water flow is given a controlled adjustable cross-section that differs from a circular shape through a corresponding outlet nozzle shape and size.13. The operating method of claim 1, wherein the water flow speed of the water jet propulsion system is adjusted between limit values that are independent from the watercraft speed.14. A propulsion system for conducting the operating method of claim 1, for a watercraft including a water jet propulsion system that is arranged beneath the watercraft, comprising:an underwater exhaust gas discharge device through which the water jet system's water flows axially, arranged on the outlet of the water flow generated by the water jet propulsion system for discharging the exhaust gases into the water beneath the watercraft. 15. The propulsion system of claim 14, wherein the chamber for discharging the exhaust gases into the water is designed as a coaxial exhaust nozzle segment.16. The propulsion system of claim 14, wherein the chamber includes a center element with an adjustable cross-section, adapted to affect the adjustment of the water flow speed in the chamber.17. The propulsion system of claim 14, wherein in the chamber includes an exterior element including a cross-section adapted to be changed.18. The propulsion system of claim 14, wherein the propulsion system includes pipe system, which guides the exhaust gases into the a coaxial exhaust nozzle segment, the pipe system including a check valve controlled by backpressure.19. The propulsion system of claim 14, wherein at least one of the walls and blades of the water jet propulsion system contain a coating made of at least one of elastomer material and fiber-reinforced polymer.20. The propulsion system of claim 14, including at least one of a retractable rudder propeller and a cycloidal propeller as a control and propulsion device of the watercraft.21. The propulsion system of claim 14, wherein apart from at least one generator, at least one additional source of energy is available for enabling emission-free movement of the watercraft.22. The propulsion system of claim 14, wherein, a combustion engine for starting the watercraft contains an optionally activated exhaust gas line into at least one of the water and the atmosphere.23. The propulsion system of claim 14, wherein, in the underwater exhaust gas discharge device of the water jet propulsion system sensors for pressure measurements are arranged.24. The propulsion system of claim 14, wherein in an exhaust gas pipe system of the propulsion system, sensors for pressure measurements are arranged.25. The propulsion system of claim 14, further comprising:an automation device, adapted to control the water jet cross-section as a function of the pressure conditions in the underwater exhaust gas discharge device. 26. The propulsion system of claim 14, further comprising:an automation device, adapted to control adjusting elements at least one of on and in the water jet propulsion system, as a function of the pressure conditions in the underwater exhaust gas discharge device. 27. The propulsion system of claim 14, further comprising:an automation device for controlling valves in a tail pipe system. 28. The propulsion system of claim 14, wherein the heat of the exhaust gases is used via a heat exchanger system for other operating devices.29. The operating method of claim 1, wherein the watercraft is a high-speed, military surface craft.30. The operating method of claim 1, wherein the at least one combustion engine is a gas turbine.31. The operating method of claim 1, wherein the change in water flow speed through the water jet propulsion system occurs with controlled adjustable adjusting blades of the water jet system's rotor.32. The operating method of claim 1, wherein the water flow speed of the water jet propulsion system is adjusted by use of a nozzle on the water flow outlet that is adjustable in its cross-section, on the water jet propulsion system.33. The operating method of claim 9, wherein the change in cross-section occurs with axially displaceable pipe sections arranged in the interior of the water jet.34. The operating method of claim 10, wherein the change in cross-section occurs with lead elements arranged on the outside of the water jet.35. The operating method of claim 9, wherein the change in cross-section occurs with flaps arranged on the outside of the water jet.36. The operating method of claim 10, wherein the change in cross-section occurs with flaps arranged on the outside of the water jet.37. The operating method of claim 1, wherein the water flow is given a controlled adjustable at least one of square and rectangular cross-section through a corresponding outlet nozzle shape and size.38. The propulsion system of claim 14, wherein the underwater exhaust gas discharge device includes a substantially round chamber.39. The propulsion system of claim 14, wherein the chamber includes a telescoping device with an adjustable cross-section to affect the adjustment of the water flow speed in the chamber.40. The propulsion system of claim 14, wherein the chamber includes an adjustable diaphragm, including a cross-section adapted to be changed.41. The propulsion system of claim 14, wherein, apart from at least one generator, at least one of an accumulator and a fuel cell system is available for enabling emission-free movement of the watercraft.42. The propulsion system of claim 14, further comprising:an automation device, adapted to control adjusting of blades in the water jet propulsion system, as a function of the pressure conditions in the underwater exhaust gas discharge device. 43. The propulsion system of claim 14, wherein the heat of the exhaust gases is used via a heat exchanger system for at least one of generating warm water and seawater desalination purposes.44. A propulsion system of a watercraft, comprising:at least one combustion engine, adapted to generate propulsive energy; means for distributing exhaust gases, created by the at least one combustion engine, beneath the watercraft in the water by using water flow of the system; and means for adjusting speed of the water flow of the system in accordance with requirements of exhaust gas discharge and distribution. 45. The propulsion system of claim 44, wherein the means for distributing includes an underwater exhaust gas discharge device, through which the system water flows axially, arranged on the outlet of the water flow generated by the system, for discharging the exhaust gases into the water beneath the watercraft.
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