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8418642 |
Unmanned submersible vehicles and methods for operating the same in a body of liquid
An unmanned submersible vehicle for use in a body of liquid having a top surface and in air overlying the top surface includes a hull, an integral antenna, and an antenna positioning system. The...
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8414241 |
Device and method for lowering or lifting a load in water
The present disclosure relates to a device for lifting and lowering a load in water, including a hoisting gear with a first hoisting rope and a storage drum with a second hoisting rope, which...
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8397658 |
Buoyancy control systems and methods for submersible objects
A buoyancy control system comprises a housing, first and second pistons, and a source of pressurized air. The pistons are coaxially aligned and are supported by the housing such that movement of...
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8132525 |
Ocean thermal buoyancy and propulsion system
A water navigable vessel or glider can transport cargo across oceans and other bodies of water without the use of fossil or nuclear fuels. The vessel includes a housing, a cargo or payload area...
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8069808 |
Buoyancy control systems and methods for submersible objects
A buoyancy control system comprises a housing and first and second pistons movably supported by the housing. In a shallow mode, displacement of the first piston alters a buoyancy of the buoyancy...
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8033235 |
Water craft
A water craft (10) includes a hull (12) defining two cavities (18). An inflatable chamber (22) is arranged in each cavity (18), for displacing water from hull (12), in use, to increase the buoyancy...
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7921795 |
Buoyancy control systems and methods
A buoyancy control system for a submersible object submerged in an ambient fluid, comprising a piston housing, a piston member, a pump, control fluid, and working fluid. The piston housing is...
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7822552 |
Control devices for controlling the position of a marine seismic streamer
A control device or “bird” for controlling the position of a marine seismic streamer is provided with an elongate, partly flexible body which is designed to be electrically and mechanically con...
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7713031 |
Submersible pump apparatus and method for using same
A submersible pump apparatus comprising a housing containing all the components of the pump assembly for using the submersible pump apparatus in a body of water. A float or a plurality of floats...
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7530316 |
Method for detecting and neutralizing submarine objects
In a method for detection and neutralization of underwater objects which are present in a sea region, in particular mines, a two-dimensional or three-dimensional image of the seabed is created by...
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7213532 |
System and method for managing the buoyancy of an underwater vehicle
The present invention provides a system and a method, including a gas supply proximate to a worksite, for repetitively recharging the ballast tank of an underwater vehicle as required to control...
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7174844 |
Simulator and method for performing underwater submarine escape training
The simulator of the present invention comprises a submersible structure to be used in a body of water, for instance a pool. This structure comprises a bell defining a main chamber. An escape tower...
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7112111 |
Closed loop buoyancy system
A closed loop buoyancy system wherein a device housing the system is submerged in a liquid filled container, the device dives to the bottom of the container, remains for a regulated amount of time,...
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6851381 |
Airborne mine neutralization system, neutralizer pressure relief valve
A combination pressure relief valve system and undersea vehicle vents pressurized gas from lithium batteries to ambient. An undersea vehicle having an interior has a pair of hollow pylons each...
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6691636 |
Method of deploying cable
A method of deploying cable in a body of water comprising an autonomous underwater vehicle (AUV) capable of converting vertical motion into horizontal travel, and placing cable in the body of water...
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6681711 |
System for deploying cable
An apparatus for deploying cable in a body of water comprising an autonomous underwater vehicle (AUV) capable of converting vertical motion into horizontal travel, having a housing and means to...
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6578637 |
Method and system for storing gas for use in offshore drilling and production operations
Gas storage is provided for a subsea gas-lifted riser during offshore drilling and/or production operations. One or more gas storage chambers positioned along and about the subsea riser are...
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6533627 |
Method and apparatus for dynamically controlled buoyancy of towed arrays
The present invention relates generally a method and apparatus for adjusting the buoyancy of towed seismic arrays comprising a plurality of streamers and specifically to the dynamic buoyancy...
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6525992 |
Devices for controlling the position of an underwater cable
A device for controlling the position of an underwater cable comprises a body, first and second actuators, and a pair of wings. The body is stationarily mountable to the underwater cable and the...
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6371041 |
Versatile buoyancy, attitude, hover, and glide control system for undersea vehicles
An undersea streamline vehicle having a unique system for gliding ascent, gliding descent, both with and without engine power, and for hovering in the sea for exploratory or research purposes by...
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6349665 |
Drone vessel for an ROV
A drone vessel for an ROV. The drone vessel utilizes dynamic positioning. The drone vessel is remotely controlled by radio telemetry, preferably modular in construction, and may be...
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6321676 |
Underwater craft having sealed and inflatable buoyancy chambers
An underwater craft having a buoyancy control system, multi-sealed passenger chamber and emergency shut-off for external operation using inherent buoyancy of the craft.
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6142092 |
Depth control device
A depth control device (1) for a subsmersible body comprises a depth monitor (5) and depth controller (6). A variable volume buoyant body operates under the control of the depth controller and...
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6131531 |
Buoyancy system for application to submersible bodies
The present invention generally relates to apparatus and methods for buoyancy compensation. More particularly, the present invention is directed to a selectively deformable buoyancy device and...
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6095078 |
Submarine propulsion control system
An underwater vehicle having a negative buoyancy and thrust units by which it can hover is described. Slow speed maneuverability while hovering is achieved by moving the position of a mass fore and...
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6021731 |
Ballast system for underwater vehicle
A ballast weight system for releasably attaching a ballast weight to an urwater vehicle is disclosed where the system comprises a ballast weight, a housing disposed about the ballast weight, a...
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6016763 |
Submersible unit and diving position control method therefor
A submersible unit having thrusters for changing a diving position based on a total work quantity, which is the sum of a first work quantity and a second work quantity. A proportional controller...
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5713299 |
Submersible boat
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...
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5303552 |
Compressed gas buoyancy generator powered by temperature differences in a fluid body
A compressed gas buoyancy generator powered by temperature differences in a fluid medium having a thermal gradient which includes a body having an inflatable chamber connected thereto for rendering...
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5291847 |
Autonomous propulsion within a volume of fluid
Energy is collected from temperature differentials in a volume of fluid and the energy is used for autonomous propulsion in the fluid.
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5283767 |
Autonomous oceanographic profiler
There is disclosed a portable free drifting oceanographic instrument package for cyclically collecting oceanic and/or fresh water environmental data over a range of depths. The instrument includes,...
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5228406 |
Subsea exploration apparatus
This subsea exploration apparatus comprises a ballast tank and a shuttle (7) with a watertight enclosure (10) which contains instrumentation for measurement, control and transmission of signals to...
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5031565 |
Two-level sea-land creeping vehicle
A two-level sea-land creeping vehicle formed by three main parts: a frustoconical bow portion which is movable independently but connected to the central part or compartment in the form of a drop...
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5007364 |
Gas control valves and apparatus for controlling buoyancy in water
A gas control valve (802) has an inlet needle jet (812) and an outlet (816), the communication between which is controlled by a valve member (808) carried by a rod (807) connected to a diaphragm...
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4972776 |
Submarine minesweeper
An unmanned, self-propelled minesweeping apparatus, capable of sweeping at ubstantial depths, is described, comprising a torpedo-like submarine vehicle that deploys and tows a string of explosive...
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4951587 |
Recovery system for a training torpedo
A recovery apparatus for a training torpedo built to replicate an operational torpedo. The training torpedo is an elongated hollow housing substantially similar in shape to an operational torpedo....
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4938164 |
Self-propelled manned submersible vehicles for under-sea excursions
A self-propelled manned submersible vehicle of the type comprising a pressure-resistant capsule (1) serving as a cabin, ballast tanks (3, 8), releasable ballast (7), propulsion units (4) having...
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4875429 |
Braking device for a capsule at the end of a trajectory
The invention relates to a submarine braking system of a capsule (4) at the end of fast movement. The capsule glides by gravity along a cable (3) and finally hits in succession several disks (6 to...
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4860487 |
Multi-cycle sea bed traversing system
An inflatable float with timer and pressure controls to enable underwater gear to be automatically lifted off the sea bed at intervals and moved to a new location. The gas for inflating the float...
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4724790 |
Submersible bell
A submersible bell having a diver's compartment in the upper region thereof, a depending conduit from the diver's compartment to provide a passage for the diver to enter and leave the diver's...
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4721055 |
Remotely operated underwater vehicle
A remotely operated submersible vehicle (21), wherein the vehicle includes flotation cells (62) to provide positive buoyancy, and the vehicle is connected to a disposable clump weight (22) of...
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4686927 |
Tether cable management apparatus and method for a remotely-operated underwater vehicle
A negatively buoyant tether cable management apparatus for use with a remotely-operated underwater vehicle is disclosed. The apparatus includes a cable climbing assembly, a depth sensor and a...
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4677931 |
Variable buoyancy apparatus
Buoyancy apparatus for carrying a payload to and maintaining the payload at substantially a constant depth or within a desired range of depth, which comprises a variable buoyancy vessel, a depth...
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4674429 |
Underwater buoyancy apparatus
A device for venting gas from an expansible gas chamber (lifejacket, lifting bag, etc.) of an underwater buoyancy apparatus. The device comprises a monitoring device which monitors the rate of...
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4608940 |
Remote weight release for a bouyancy control device
A device is disclosed for the release by remote control of a weight from a diving bouyancy control device or vest. The device includes a sheet of flexible material secured to the bouyancy control...
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4538230 |
Method and apparatus for controlling altitude
The invention provides a vertical velocity signal and an integration signal, respectively, of two detected ambient conditions. The signals are summed, in a selectable ratio, and compared with a...
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4463701 |
Paravane with automatic depth control
A paravane includes an elongated fuselage; a wing section of spaced wing bers attached to an intermediate portion of the fuselage; stabilizer fins for maintaining the paravane lined-up with the...
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4455962 |
Spherical underwater vehicle
A spherical vehicle for operation in a fluid medium utilizes an actuator disk or propeller of approximately half the diameter of the sphere for propulsion. In addition to providing the energy for...
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4448145 |
Unmanned submarine vehicle
An unmanned self-propelled submarine vehicle is provided with a material exchanger-container having a vertical axis of symmetry aligned with both the vehicle's center of gravity and its center of...
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4384857 |
Submersible floatation structure
A submersible floatation structure is formed of lengths of tubing which are interconnected by fittings. In one embodiment, the tubing end fittings are formed of a polymeric material, such as...
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