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WO/1996/001206A1 |
For mine countermeasures using a remotely controlled submersible (20), the invention proposes that transponders (2 to 4) are placed on the seabed on each side of the channel to be cleared and their positions determined relative to a towe...
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WO/1996/001207A1 |
Submersible boat is capable of navigating both on the water surface and submerged, the diving taking place by dynamic effect when the operator requires it, the boat having a catamaran type structure, comprising two side floats (1-1') whi...
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WO/1995/034466A1 |
A weapons-handling and discharge system for a submarine which comprises a rack (14) for attachment around the exterior of the pressure hull (12) of a submarine, canisters (19) to contain weapons, an exterior casing (13) provided around t...
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WO/1995/005972A1 |
A watercraft (10) having positive static buoyancy (80) is provided which is operable both as a hydrofoil and submersible vessel. It is generally shaped in the form of a dolphin or porpoise, with the equivalent of fins acting as both navi...
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WO/1995/000391A1 |
The boundary layer of a fluid travelling in a mean-flow direction relative to a surface of a wall of a body is controlled by generating in the fluid a magnetic field B having flux lines along the surface of the wall and an electric curre...
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WO/1994/025337A1 |
A maritime survival capsule is shaped like a somewhat elongted egg, and has an inside shell which is moulded slightly smaller. Features of the capsule include: a front end porthole; a front end opening, for the tow line, anchor line, or ...
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WO/1994/018458A1 |
An axial-flow pump combined with an electric motor coaxially arranged therearound. The rotor (1) and stator (2) are common to both the electric motor and the pump. The rotor comprises a central tubular portion (11) defining a central cha...
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WO/1994/015778A1 |
An acoustic tile (20) for masking the acoustic signature of a surface or submarine vessel and including an inner skin (22) for securing the tile to the hull (10) of the vessel, an outer water-impervious skin (26), and a core (24) sandwic...
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WO/1994/014081A1 |
A method and a device for remotely controlling and monitoring partially autonomous manned submersibles. The device comprises at least one manned floating vehicle (2) which is drifting and/or autonomous and comprises at least one first on...
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WO/1994/011294A1 |
There is provided a device (10) for orientating a load to be suspended and moved by a crane. The device (10) comprises a flywheel (11) mounted for rotation in a housing (14). A turntable (17) is pivotally connected to the housing (14) an...
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WO/1994/010032A1 |
The boundary layer of a fluid travelling in a mean-flow direction relative to a surface of a wall (100) of a body is controlled by generating in the fluid a magnetic field B(Boolean not) (103) having flux lines parallel to the surface of...
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WO/1994/008843A1 |
Underwater vehicle fitted with propulsion means and detection means and connected by cable to a surface vessel. The vehicle comprises, at the front, a projecting part forming a spherical coupling (20) supporting an elongated antenna (10)...
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WO/1993/024244A1 |
The acoustic antenna of the invention includes at least one surface sensor formed from a stack of conducting layers and piezoelectric dielectric layers contained in an elastic material coating. The assembly so formed constitues a flat pa...
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WO/1993/008072A1 |
A ship load transfer slinging system comprises lines (10, 12) which pass therebetween in diverging manner, so that elongate loads such as gun barrels, missiles or torpedoes, can be rotated on passage, and thus be aligned with the side de...
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WO/1993/001971A1 |
Portable station for the measurement and adjustment of the magnetic signature of a naval vessel in order to determine and/or modify the features of currents flowing in magnetic immunisation loopsof said vessel (1). The station is of the ...
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WO/1993/001085A2 |
Marine propulsive device (1) comprising two concentric and contra-rotating propellers (5, 6), rotating at the same speed but in opposite directions, with reversed pitches, said propellers (5, 6) being driven by two primary shafts (3, 4) ...
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WO/1993/000257A1 |
A method for automatically monitoring and controlling, by means of a modelling system, the degaussing of a naval vessel having degaussing circuits. The method comprises the steps of: determining a danger zone in relation to which a magne...
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WO/1992/018443A1 |
Under emergency conditions such as loss of control or the means of propulsion, a submersible vessel may be deballasted with the use of a plurality of solid fueled gas generators each provided with a propellant composition comprising a bl...
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WO/1992/012894A1 |
A helicopter deck for a ship, having a greater transverse extension than the breadth of the ship, comprises a level, horizontal deck section (1) attached to the ship (4), the longitudinal edges (15) of which lie entirely or almost entire...
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WO/1992/010009A2 |
An electric power generation system comprises a fuel cell (9) and supplies (1, 5) of substances to be treated so as to provide suitable reactants for the fuel cell. The heating and cooling requirements of the system as a whole are balanc...
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WO/1992/001599A1 |
Anechoic coating, particularly for boat and submarine hulls, comprising a plurality of juxtaposed fluidic dampers which consist of tubes (10) wherein are inserted with some play rigid rods (12) and which are filled with an incompressible...
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WO/1992/000874A1 |
The device comprises a layer of sound absorbing material having passages (4) passing therethrough to allow air circulation, and elements for fixing said layer at a predetermined distance (E) away from the inside wall of a hull so that it...
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WO/1992/000220A1 |
In a method and a device for tracing an object (2a), especially a subsea object, whilst utilizing a mother vessel (1) or an intermediate craft (101) equipped with sonars (3a) for the transmission and reflection of searching rays (3b, 3n)...
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WO/1991/019621A1 |
An underwater linear transport system provided with a vehicle (1) running along a track (2) in the water. The vehicle (1), with its dead weight slightly different from its buoyancy, has a tightly sealed construction and is supported on a...
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WO/1991/017917A1 |
A discontinuity in the shape of a submarine, caused by provision of a walkway, is provided with a flow control member (1) comprising an outer skin (7) and inner skin (9) forming inflatable sections (3 and 4). The sections (3 and 4) are i...
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WO/1991/016234A1 |
The invention concerns processes for luring torpedoes approaching a ship (10). It consists in equipping a known decoy (1) with an explosive charge (6) and a sonar (7) for the detection of the torpedo as it passes (3) in the vicinity of t...
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WO/1991/016526A1 |
The generator includes fuel and oxygen carrier tanks (2, 3) supplying a combustion chamber (1) which produces high-pressure combustion gases essentially consisting of water vapour and carbon dioxide, a heat exchanger (4) through which th...
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WO/1991/013801A1 |
The present invention relates to processes for automatically compensating the magnetizations induced by the earth's magnetic field in structures of ferromagnetic materials. It consists more particularly in causing compensation currents t...
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WO/1991/012173A1 |
A composite structure (64) is disclosed for placement on an air, land or sea vehicle to attenuate electromagnetic waves and to break up ice accumulation which might occur under adverse weather conditions. The upper section (22) of the st...
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WO/1991/010588A1 |
Devices for immobilizing a retractable sonar (102-104) in the housing (101) into which the sonar is withdrawn and which is attached to the hull (100) of the boat are described. An array of inflatable buoyancy chambers (110) are provided ...
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WO/1991/010587A1 |
The invention relates to a method and a device for sweeping marine mines having a magnetic sensor by at least three electrodes (10, 11, 13) spaced apart and tractored by a vessel (12) and behind each other, said electrodes being provided...
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WO/1991/005639A1 |
A cutting device comprises a carrier means (5), in which two substantially circular disks (1, 2) are provided, which disks have cutting edges and are mounted to be freely rotatable. At least one of said disks has at least one axially thr...
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WO/1991/001912A1 |
An underwater towable apparatus comprising an instrumental platform (1) and buoyancy unit consisting of a wing (2) on which is mounted a towing eye.
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WO/1990/013476A1 |
A method and an equipment for mine detecting in the waters by using an acoustic wave transmitter (11, 3) and a receiver (11, 18) of acoustic waves reflected from an object in the water, on the bottom or under the bottom of the water. The...
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WO/1990/011927A1 |
An unmanned submersible vehicle (1) for carrying oceanograpby equipment, the vehicle (1) being towed under water by a surface ship. The vehicle (1) includes an elongate body (2) on which the equipment can be carried and directional contr...
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WO/1990/010928A1 |
A process is useful for influencing a noise source, in particular of a submerged submarine (20). The submarine acts as a noise source and emits a noise signal (S; 24, 25, 26) with a first frequency spectrum with at least a first intensit...
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WO/1990/010575A2 |
A process and a device are useful for operating submerged submarines (10) which leave behind a wake of heated cooling water as they dive. To this end, either the density of the heated cooling water is increased by admixing additives or t...
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WO/1990/010926A1 |
A process and a device are useful for reducing the noise emission of submerged submarines (20). Agitated mechanical elements in the interior send vibrations along a transmission path to an outer casing (30) and the vibrations are damped ...
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WO/1990/010927A1 |
A process and a device are useful for reducing the noise emission of submerged submarines (10). Agitated mechanical elements in the interior send vibrations along a transmission path to an outer casing. The vibrations are damped on the t...
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WO/1990/010573A1 |
The invention concerns an underwater vehicle equipped with a passive optical observation system. The vehicle has an observation window (17) with a diameter (D) within the range 0.3-3.0 m and a curved surface (32). To increase the sensiti...
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WO/1990/009920A1 |
An apparatus for managing liquid under pressure comprising a first volume (connected to 5a'' or 5b'', respectively) adapted to contain liquid at a first pressure, a second volume (connected to 5b'' or 5a'', respectively) adapted to conta...
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WO/1990/009311A1 |
A vessel able to deploy V/STOL aircraft, with: a hull (1), a main deck (2) with forward (3) and aft (5) exposed sections and an intermediate section (4) comprising a tenth to half the main deck; on the forward, intermediate and perhaps a...
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WO/1990/008693A1 |
A recirculatory system comprising a combustion chamber, means to cause fuel to combust in the combustion chamber, means to exhaust exhaust gas from the combustion chamber, a circuit through which the exhaust gas is fed from the combustio...
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WO/1990/004538A1 |
An object deployment unit for use under various sea states which allows deployment of objects (1) in any required sequence the deployment unit comprising a flexible tube shaped elongate body, means (2) to releasably attach objects to the...
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WO/1990/001445A1 |
The high weight of mine-sweeping means transported by droning impedes the manoeuverability of the drone. To improve the manoeuverability, the invention proposes that the weight of the mine-sweeping means (100) be chosen so that it is pra...
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WO/1990/000135A1 |
Equipment for controlling output parameters of a submarine acoustic wave emitter (10) towed by a vessel (20), comprising at least one receptor (40) towed by said vessel along with the transmitter, the acoustic signal received by the rece...
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WO/1989/004757A1 |
A method of making a repeatedly inflatable and deflatable structure is disclosed wherein an inner envelope (3) of gas impermeable material is at least partially surrounded by a shell (1) of reinforcing material, and adhesive (15/15a) is ...
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WO/1989/003788A1 |
The invention relates to a method and a system for sweeping marine mines having a magnetic sensor. According to the method spaced electrodes (10, 11, 13) are towed by a vessel (12) and the electrodes (10, 11, 13) are supplied with electr...
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WO/1989/000527A1 |
A remotely controlled underwater self-propelled vehicle having a sealed main body (10) control means (37) within the main body (10) operable in response to control signals received through a cable (10) to selectively supply electrical en...
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WO/1988/005398A1 |
Apparatus for stowing and deploying stores from air and marine craft in which the stores (28) are stowed on a modular stowage structure, such as pallets (32), with releasable locking devices (10) securing the pallets to the craft. Furthe...
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