IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0602181
(2003-06-23)
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발명자
/ 주소 |
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인용정보 |
피인용 횟수 :
0 인용 특허 :
4 |
초록
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Presented is a lifting body ship that has a blower pressurized air layer disposed in the underside of its lifting body such that the air layer reduces wetted area friction and hence the propulsive power required is greatly reduced. Further, a water propulsor is supplied that takes in water through t
Presented is a lifting body ship that has a blower pressurized air layer disposed in the underside of its lifting body such that the air layer reduces wetted area friction and hence the propulsive power required is greatly reduced. Further, a water propulsor is supplied that takes in water through transversely oriented water inlets in the top of the lifting body to thereby reduce turbulence and its associated drag that would normally occur over the top of the lifting body.
대표청구항
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1. In an improved lifting body ship with one or more strut-like members that connect a lifting body to a hull of the ship, the improvement comprising:said lifting body having, as seen in a vertical longitudinal plane of the improved lifting body ship, at least in its majority a curvilinear shape ove
1. In an improved lifting body ship with one or more strut-like members that connect a lifting body to a hull of the ship, the improvement comprising:said lifting body having, as seen in a vertical longitudinal plane of the improved lifting body ship, at least in its majority a curvilinear shape over its upper surface wherein a water propulsor takes in at least part of its water used for propulsion through one or more water inlets disposed over a top surface of the lifting body and wherein said one or more water inlets are transversely oriented over an upper surface of the lifting body and wherein said one or more transversely oriented water inlets are, at least in their majority, aft of a longitudinal midpoint of the lifting body. 2. The improved lifting body ship of claim 1 which further comprises an artificially pressurized gas layer disposed in an underside of the lifting body.3. The improved lifting body ship of claim 2 wherein a forward and lower portion of the artificially pressurized gas layer is defined by a discontinuity in a lower surface of the lifting body.4. The improved lifting body ship of claim 2 wherein the artificially pressurized gas layer is supplied with pressurized gas by a powered blower with the conduit for passing the pressurized gas to the artificially pressurized gas layer from the powered blower is at least in part internal to a duct disposed, at least in its majority, inside of one of the strut-like members.5. The improved lifting body ship of claim 2 wherein the gas layer in the underside of the lifting body, at least mainly, rises going from forward to aft.6. The improved lifting body ship of claim 1 wherein the lifting body, as seen in a vertical transverse plane of the improved lifting body ship, is at least in part curvilinear in shape.7. The improved lifting body ship of claim 6 wherein the lifting body, as seen in a vertical transverse plane of the improved lifting body ship, is at least in part elliptical in shape.8. The improved lifting body ship of claim 1 which further comprises one or more trim control hydrofoils disposed forward of the lifting body.9. In an improved lifting body ship with one or more strut-like members that connect a lifting body to a hull of the ship, the improvement comprising:said lifting body having, as seen in a bottom plan view of the improved lifting body ship, an artificially pressurized gas layer disposed in the underside of said lifting body and wherein a forward portion of the artificially pressurized gas layer is defined by a discontinuity in a lower surface of the lifting body and wherein the artificially pressurized gas layer is supplied with pressurized gas by a powered blower with the conduit for passing the pressurized gas to the artificially pressurized gas layer from the powered blower is internal to a duct disposed, at least in its majority, inside of one of the strut-like members and wherein said strut like members are disposed transversely over the upper surface of the lifting body and wherein an upper surface of the lifting body, as seen in a vertical longitudinal plane of the lifting body ship, is at least mainly curvilinear in shape. 10. The improved lifting body ship of claim 9 wherein the lifting body, as seen in a vertical transverse plane of the improved lifting body ship, is at least in part curvilinear in shape.11. The improved lifting body ship of claim 9 wherein the gas layer in the underside of the lifting body, at least mainly, rises going from forward to aft.12. The improved lifting body ship of claim 9 wherein a water propulsor takes in at least part of its water used for propulsion through one or more water inlets disposed over a top surface of the lifting body.13. The improved lifting body ship of claim 12 wherein said one or more water inlets are transversely oriented over an upper surface of the lifting body.14. The improved lifting body ship of claim 13 wherein said one or more of the transversely oriented water inlets are, at least in their majority, aft of a longitudinal midpoint of the lifting body.15. The improved lifting body ship of claim 9 wherein the lifting body, as seen in a vertical transverse plane of the improved lifting body ship, is at least in part curvilinear in shape.16. The improved lifting body ship of claim 15 wherein the lifting body, as seen in a vertical transverse plane of the improved lifting body ship, is at least in part elliptical in shape.17. The improved lifting body ship of claim 7 which further comprises one or more trim control hydrofoils disposed forward of the lifting body.18. In an improved lifting body ship with one or more strut-like members that connect a lifting body to a hull of the ship, the improvement comprising:said lifting body, as seen in a bottom plan view of the improved lifting body ship, being at least in part curvilinear in shape and having an artificially pressurized gas layer disposed in the underside of said lifting body and which further comprises a water propulsor at least in part disposed internal to the lifting body that takes in at least part of its water used for propulsion through one or more water inlets disposed over a top surface of the lifting body and wherein said one or more water inlets are transversely oriented over an upper surface of the lifting body. 19. The improved lifting body ship of claim 18 wherein said one or more transversely oriented water inlets are, at least in their majority, disposed aft of a longitudinal midpoint of the lifting body.20. The improved lifting body ship of claim 18 which further comprises one or more trim control hydrofoils disposed forward of the lifting body.21. The improved lifting body ship of claim 18 wherein a forward portion of the artificially pressurized gas layer is defined by a discontinuity in a lower surface of the lifting body and wherein said discontinuity, as seen in the bottom plan view of the improved lifting body ship, is at least in part curvilinear in shape.22. The improved lifting body ship of claim 18 wherein the lifting body, as seen in a vertical transverse plane of the improved lifting body ship, is at least in part curvilinear in shape.23. The improved lifting body ship of claim 18 wherein the artificially pressurized gas layer is supplied with pressurized gas by a powered blower with the conduit for passing the pressurized gas to the artificially pressurized gas layer from the powered blower is internal to a duct disposed, at least in its majority, inside of one of the strut-like members.24. the improved lifting body ship of claim 18 wherein the gas layer in the underside of the lifting body, at least mainly, rises going from forward to aft.
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