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Matches 1 - 50 out of 6,167

Document Document Title
WO/2018/165313A1
An aerodynamic device for enhancing lift and reducing drag of an airfoil, comprising a central portion oriented in a substantially chordwise direction on the airfoil, and a first outer portion and a second outer portion arranged substant...  
WO/2018/162962A1
The human powered hydrofoil bicycle includes multiple subsystems integrated together including a structural frame subsystem with associated steering and tiller module, a hydrofoil subsystem to provide vehicle lift, and a powertrain subsy...  
WO/2018/164572A1
A semi-submersible drilling vessel has a deckbox structure and a shaker room. A downward sloping mud return line is provided that passes mud from the diverter to the shaker room. In the shaker room there are one or more shale shaker devi...  
WO/2018/150183A1
A powerboat comprising a hull, a plurality of dynamically adjustable hydrofoils positioned below the waterline towards the rear of the hull, and a control system, wherein the cross sectional area of the hull below the waterline decreases...  
WO/2018/150912A1
A hull 10 has a bow portion 20, a hull parallel portion 30 connected to the rear of the bow portion 20, and a stern portion 40 connected to the rear of the hull parallel portion 30. The cross-section of the bilge portion 33 of the hull p...  
WO/2018/142805A1
The present invention provides a friction reducing device for ships which achieves a simplified structure and an improved frictional resistance reducing effect. This friction reducing device (31) for ships is provided with: a gas chamber...  
WO/2018/142825A1
This friction reducing device for ships is provided with: a gas chamber (41) provided inside a hull (10); a ship bottom shell plate (27) that partitions the inside of the gas chamber (41) and the outside of the hull (10); a plurality of ...  
WO/2018/138477A1
A passively controlled fluid foil has a span; and a rigid spar extending in the spanwise direction,a cellular material and a flexible outer surface defining a profile of the outer surface of the foil and encapsulating the cellular materi...  
WO/2018/138263A1
The invention relates to a hydrofoil for a water vehicle, in particular a hydrofoil board (2), having a mast (3) and at least one wing (5, 6) fastened to the mast (3), which are dipped into the water during travel. An edge (20) of the ma...  
WO/2018/138941A1
A ship propulsion device and a ship include: a port propeller shaft (21) and a starboard propeller shaft (22); a port propeller (23) and a starboard propeller (24); a port shaft bracket (25) and a starboard shaft bracket (26); a port rud...  
WO/2018/139234A1
A duct device and a ship, wherein the duct device comprises: a duct body (31) which is disposed on at least a portion of the periphery of a rotary shaft (21) of a propeller (13) further towards the front than the propeller (13) which is ...  
WO/2018/136916A1
A rigging for a wind-propelled vessel includes: a rotating airfoil-shaped mast; a sail movably coupled to a trailing edge of the airfoil-shaped mast and configured to be hoisted or lowered along the airfoil-shaped mast; a swiveling masth...  
WO/2018/134469A1
The vessel comprises a hull (20) having a bottom line (BL) and a bow (30). A recess (100) is arranged in the bow above the bottom line of the hull of the vessel, the recess comprising a bottom surface (110) forming a portion of the hull ...  
WO/2018/128105A1
A ship in which the Froude number is larger than 0.10, wherein when Lpp is the length between perpendiculars, B is the interior breadth, Cbl is the block coefficient in summer load water, and Lsl is the length of the flat surface portion...  
WO/2018/127631A1
The present invention relates to a mechanism for actuating, with four degrees of freedom, a foil (1) on a hull (10) of a boat, which comprises the cooperation of a sealed foil well (15) passing through the boat from the deck through the ...  
WO/2018/123031A1
Provided is a bow shape 1 for a vessel, the bow shape 1 having a protrusion 1a which protrudes in a bulge shape on both left and right sides aside from the bow end, at least beneath the load waterline.  
WO/2018/122151A1
The invention pertains to the use of an easy-to-clean soft fiber-coated material on the underwater surface of structures to mimic mammal pelage and as such reducing residual drag, wherein said material comprises or consists of fibers hav...  
WO/2018/123028A1
This bow shape comprises a recess 1a having a pair of inclined shapes opening towards the front in the left-right direction, at least above the load waterline.  
WO/2018/123756A1
Provided are a fin device and a ship such that slow zones are concentrated on the propeller surface, thereby improving propulsion efficiency and allowing energy conservation. A ship 1 according to one embodiment of the present invention ...  
WO/2018/122220A1
A semisubmersible floating platform (1) for supporting at least one wind turbine, comprising four buoyant columns (3), each of them being attached to a ring pontoon (2); a transition piece (4) configured to support one wind turbine, disp...  
WO/2018/112442A1
A hydrofoil and hydrofoil system for a surfboard is disclosed. The surfboard has a planar hull defined by a top surface, a bottom surface, a nose, a tail, and opposing side rails extending from the nose to the tail and that define a tran...  
WO/2018/104420A1
This invention relates to a device and method), of reducing the azimuthal torque acting on a pulling pod unit or azimuth thruster (1) having a rotary pod housing (4) with a substantially vertical slewing axis (3A), a pulling propeller (7...  
WO/2018/102602A1
This invention relates to shipboard mechanical systems. Previously, power driven marine vessels were inefficient in fuel consumption as a result of drag against the hull of the marine vessel. Embodiments of the present invention use a ba...  
WO/2018/096558A1
Present disclosure relates to a bubble diverter bow in a vessel (ship) for diverting bubbles arising in a path of transducer in vessel. The bubble diverter bow is obtained by redesigning a hull body of the vessel. Plurality of variants a...  
WO/2018/091905A1
A compressor blade having a leading edge and a trailing edge, and a surface pattern between the leading and trailing edges, the surface pattern comprising at least one set of herringbone riblets formed of a plurality of v-shaped riblets,...  
WO/2018/093123A1
The present invention relates to a rolling prevention device for a vessel and, more particularly, to a device for preventing a vessel from rolling (a phenomenon that a vessel tilts about the longitudinal axis and rolls from side to side)...  
WO/2018/087730A1
A box shaped bilge keel (420) comprising a convex polygonal shaped cross-section. Further, the box shaped bilge keel (420) extends along a pre-determined length of a hull (410) of a floating vessel. Also, the box shaped bilge keel (420) ...  
WO/2018/088976A1
The invention is about the joint balance mechanism of platforms used for entertainment or business purposes. The mechanism minimizes the rocking and lurching due to waves via its link between numerous buoys (1) and the platform (6). The ...  
WO/2018/083175A1
The invention relates to a water surface vessel extending in a longitudinal direction parallel to an intended direction of straight travel, the vessel presenting a transom (301), wherein the vessel is arranged to travel in a recirculatin...  
WO/2018/081574A1
A long, wide, and low-profile mono-hull vessel able to meet the requirements for an efficient, rapid, and reliable inland waterway container transport system. A shallow draft container carrier may comprise a self-propelled semi-monocoque...  
WO/2018/073609A1
The invention relates to a ducted wind turbine having a turbine rotor assembly which extracts kinetic energy from air flowing there past. The rotor assembly includes a plurality of rotor blades having rotor tips at their outermost ends w...  
WO/2018/069044A1
The aim of the invention is to provide a device which is inexpensive and by means of which the friction between a ship body and the surrounding water is substantially reduced. This is achieved in that the device is designed as a vortex g...  
WO/2018/054532A1
The invention relates to a structure for erecting on the surfaces of bodies of water, in particular on open sea. The structure comprises at least one floatable tension leg platform-type bouyant body, which can be braced to the floor of t...  
WO/2018/051711A1
A water passage 6 passing from a bow 1 to a stern 2 is provided. Of the three types of resistance faced by a ship moving along the surface of the water, i.e., wave-making resistance, viscous pressure resistance, and viscous friction resi...  
WO/2018/039813A1
Disclosed is an air cavity craft, comprising a cockpit (1) arranged in front of a passenger compartment (2). A compartment door (3), a machinery room (4), a lifeboat room (5), a toilet (6), a lower compartment door (7), seats and luggage...  
WO/2018/044163A1
The invention relates to a system for providing an air lubricating layer between the hull of a vessel and the water flowing under the hull as said vessel is moving through the water, comprising an air cavity and a wave deflector having a...  
WO/2018/042451A1
Between boundary lines of surface water line and impressed water line, due to mass of an object which is buoyant, there exists pressure difference. From the state of equilibrium of a floating body, a little force in the direction of buoy...  
WO/2018/044162A1
The invention relates to a dual cavity air lubrication system comprising an air flow splitter with an air inlet pipe branching into a first branch pipe and a second branch pipe, wherein a first passive valve is arranged in the first bran...  
WO/2018/039409A1
A platform for extracting energy from flowing fluid is provided. The platform includes: first and second lateral side members, the first lateral side member having an internal cavity; a fluid turbine disposed between and below the latera...  
WO/2018/038611A1
The invention relates to a vessel (1) comprising a hull (2) for non-planing operation, during operation displaying a waterline (3) and having a forward direction in a horizontal plane (4) with a forward portion, an aft portion (5), and a...  
WO/2018/034588A1
The invention relates to boat building and can be used in the building and modification of sea-going high-speed keeled monohull sailboats or sail and motor boats with a high sail power to weight ratio, where a single, narrow, wave-penetr...  
WO/2018/025644A1
Provided is a ship 1 in which stern ducts 10A-10E, each having a duct member 11 and a duct support member 12 for supporting the duct member 11 on a ship hull 2, are disposed immediately before a propeller 3, wherein a rear edge of the du...  
WO/2018/014112A1
A boat hull comprises a central hull having top and bottom portions and first and second side hulls slidably supported from the top portion of the central hull so as to be transversely extendable relative thereto. The bottom portion of t...  
WO/2018/016863A1
A ship according to an embodiment of the present invention comprises: a first air storage unit disposed on the bow side of a hull and including a blowing hole configured to blow out air into the water; and a plurality of second air stora...  
WO/2018/000042A1
The present invention is directed broadly to an underwater appendage assembly (10) of a marine vessel (12). The underwater appendage assembly (10) is in the form of a rudder assembly fitted to a bow section (14) of the vessel (12). The r...  
WO/2018/002383A1
A water vessel (101, 201) comprises a hydrofoil (111, 112, 211, 212) and an actuator system (150, 160) for driving the hydrofoil (111, 112, 211, 212). The actuator system (150, 160) and the hydrofoil (111, 112, 211, 212) are configured s...  
WO/2017/222469A1
The present invention relates to a semi-submersible vessel having a transit state and an operative state, the vessel comprising: a first hull having a first topside; a second hull having a second topside; a platform adapted to connect th...  
WO/2017/219041A1
A multihull sailing vessel includes at least two buoyant hulls extending along their longitudinal axes, with the hulls being connected to each other and a first hydrofoil connected to the hulls and oriented transverse to the hulls. The f...  
WO/2017/211570A1
The invention relates to a water vehicle (1), comprising a ship body (1) and a stabilizing device arranged in the stern region (3). According to the invention, the stabilizing device (8) has, on each of both sides of the center longitudi...  
WO/2017/212482A1
A damping system is presented for damping an oscillation of a load on a fluctuant water surface. The damping system may include four buoyancy systems (210a-210d), two on each side of the load. Each buoyancy system may include two buoys (...  

Matches 1 - 50 out of 6,167