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8695526 Self-scuttling vessel  
A self-scuttling device can include a pressure hull that can define an internal void having an internal pressure PVOID. The device can be disposed in an underwater environment having a pressure...
8649922 Electronic pet and pet interaction system thereof  
A electronic pet contains a diving device which includes a sealed main body with at least one flexible portion disposed on at least one part of the main body wherein the sealed main body is sealed...
8570829 Depth steerable seismic source array  
A steerable seismic energy source includes at least one float. The floatation device includes a device for changing buoyancy thereof. A frame is coupled to the at least one float. At least one...
8509972 Electronic pet and pet interaction system thereof  
An electronic pet and a system therewith are provided herein. The electronic pet includes a driving device, a sensing device used to sense light, sound and contact/non-contact stimulations from an...
8495965 Subsurface splash generator  
A submersible apparatus is configured to eject air and/or water in desired predetermined patterns to simulate particular types of ordnance to facilitate safe and effective splash testing of ship...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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.
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...
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...
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...
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...
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...
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...
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...
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.
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,...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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...
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...
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...
Matches 1 - 50 out of 123 1 2 3 >