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44results about "Submarines" patented technology

Compressed gas utilization system and method with sub-sea gas storage

A system and method utilizing compressed gas according to which the gas is compressed at a location above ground and transported to an underwater location. The gas is stored at the underwater location and later returned from the underwater location to the above-ground location for utilization as energy.
Owner:DRESSER RAND CO

Self-burying autonomous underwater vehicle and method for marine seismic surveys

An autonomous underwater vehicle (AUV) for recording seismic signals during a marine seismic survey. The AUV includes a body having a base and sides; a propulsion system for guiding the AUV to a final target on the ocean bottom; a pump-jet connected to an inlet and plural base outlets, wherein the plural base outlets are distributed on the base; a processor connected to the pump-jet and configured to activate the pump-jet when the base in on the ocean bottom; and a seismic sensor configured to record seismic signals. The pump-jet has a first low speed so that water jets expelled at the plural base outlets fluidize the ocean bottom underneath the base and buries the AUV.
Owner:PXGEO UK LTD

System and Method for Automated Rendezvous, Docking and Capture of Autonomous Underwater Vehicles

A system for automated rendezvous, docking, and capture of autonomous underwater vehicles at the conclusion of a mission comprising of comprised of a docking rod having lighted, pulsating (in both frequency and light intensity) series of LED light strips thereon, with the LEDs at a known spacing, and the autonomous underwater vehicle specially designed to detect and capture the docking rod and then be lifted structurally by a spherical end strop about which the vehicle can be pivoted and hoisted up (e.g., onto a ship). The method of recovery allows for very routine and reliable automated recovery of an unmanned underwater asset.
Owner:STONE AEROSPACE INC

Disc-shaped underwater vehicle based on vortex motion

The invention discloses a disc-shaped underwater vehicle based on vortex motion. A disc-shaped fairing is adopted. At least one circumferential propeller is arranged in the circumferential direction of the disc-shaped fairing. A vortex generating mechanism and at least one vertical propeller are arranged in the vertical direction of the disc-shaped fairing. The circumferential propellers are used for driving the motion of the vehicle in the horizontal plane of the disc-shaped fairing. The vertical propellers are used for driving the motion of the vehicle in the vertical direction of the disc-shaped fairing. The vortex generating mechanism is used for generating adsorption force relative to the absorption surface. According to the novel technology for achieving object surface absorption based on a vortex adsorption mechanism, the underwater vehicle is made to have high surface adsorption capacity; through the cooperation of the impelling action of the propellers, the vehicle has the omni-directional motion capacity including crawling and swimming, and compared with an existing crawling or swimming underwater vehicle, the disc-shaped underwater vehicle has the advantages that the sailing speed is high, and motion control is swift. An acquisition sensor and operation tools are carried as needed, and the disc-shaped underwater vehicle can be used for carrying out underwater engineering detection, emergency searching, construction operation and the like.
Owner:ZHEJIANG UNIV

Deployment and recovery vessel for autonomous underwater vehicle for seismic survey

Method and vessel for performing marine acoustic survey of a subsurface. The vessel includes a launching module configured to deploy an autonomous underwater vehicle (AUV) underwater; a recovery module configured to recover the AUV; a homing device mounted on the recovery module and configured to guide the AUV to the recovery module; and a management module connecting the launching module to the recovery module and configured to transport the AUV.
Owner:CGGVERITAS SERVICES

Concentric double-ball lifeboat

The invention relates to a concentric double-ball lifeboat which comprises an outer ball and an inner ball. The inner ball is arranged in the outer ball, the outer ball and the inner ball are concentric, power devices are arranged on the outer ball, a sandwich layer space is arranged between the outer ball and the inner ball, the inner ball comprises a shell and a cavity, and the cavity of the inner ball is arranged in the shell and is communicated with spaces outside the concentric double-ball lifeboat via an access passage in the sandwich layer space. The concentric double-ball lifeboat has the advantages that escape persons can be positioned in the cavity of the inner ball of the concentric double-ball lifeboat, external disturbance can be prevented from being transmitted into the inner ball via the outer ball when the concentric double-ball lifeboat shakes in intense wind and wave environments, and accordingly the concentric double-ball lifeboat is excellent in inherent wind and wave resistance; the concentric double-ball lifeboat can be in a water surface working mode and a submergence working mode; the concentric double-ball lifeboat in the submergence working mode can effective adapt to surviving in offshore fire and explosion scenes as compared with existing totally enclosed type lifeboats, can effectively avoid high-temperature and harmful gas during sea surface oil gas fire and can assist the escape persons to escape from the fire scenes from the optimal directions when the submergence depths of the concentric double-ball lifeboat exceeds the draft of the concentric double-ball lifeboat.
Owner:GUANGDONG OCEAN UNIVERSITY

Improved-Efficiency Submersible Thruster

A submersible thruster, and methods of optimizing and using same, including selecting a motor with an efficiency of greater than 75 percent when operated at 250 rpm immersed in a pressure-resistant fluid, the motor having a drive shaft with a rotor and a stator matched to the rotor, the rotor and the stator being immersed in the pressure-resistant fluid and being separated by a gap less than or equal to 1 mm. The motor is disposed in a housing to isolate the motor components from a liquid environment. A rear portion of the drive shaft extends through a low-friction shaft seal beyond the housing to drive at least one propeller within the liquid environment. Movement of the drive shaft is constrained to a radial and axial play each of less than 0.75 mm. The method further includes operating the motor at less than 50 percent of peak power, wherein said thruster operates at greater than 30 percent end-to-end thrust efficiency within the liquid environment.
Owner:WOODS HOLE OCEANOGRAPHIC INSTITUTION

Device and method used for escaping from submarine

The invention discloses a device and method used for escaping from a submarine. The device comprises a main submarine, a tower, an escaping cabin, an escaping boat and a bracket; the tower is arranged at the top of the main submarine; the escaping cabin is arranged in the tower; the escaping boat is located in the escaping cabin; the escaping cabin is internally provided with the bracket; the escaping boat and the bracket are mounted in a matching manner. The device can be used for protecting the safety of workers to rapidly escape when the main submarine has an accident; the device is safe and effective and is reasonable in design.
Owner:力地集团有限公司

Efficiency submersible thruster

A submersible thruster, and methods of optimizing and using same, including selecting a motor with an efficiency of greater than 75 percent when operated at 250 rpm immersed in a pressure-resistant fluid, the motor having a drive shaft with a rotor and a stator matched to the rotor, the rotor and the stator being immersed in the pressure-resistant fluid and being separated by a gap less than or equal to 1 mm. The motor is disposed in a housing to isolate the motor components from a liquid environment. A rear portion of the drive shaft extends through a low-friction shaft seal beyond the housing to drive at least one propeller within the liquid environment. Movement of the drive shaft is constrained to a radial and axial play each of less than 0.75 mm. The method further includes operating the motor at less than 50 percent of peak power, wherein said thruster operates at greater than 30 percent end-to-end thrust efficiency within the liquid environment.
Owner:WOODS HOLE OCEANOGRAPHIC INSTITUTION

Unmanned wave power generation submarine

An unmanned wave power generation submarine comprises a submarine body. The submarine body is of a closed structure. A pressure resistant cabin, buoyancy chambers and gas storage tanks are arranged in the submarine body. Air compression equipment is arranged in the pressure resistant cabin, generated compressed air is used for generating power and controlling the submarine body to float upwards, and locating jaws are arranged at the two ends of the submarine body and used for anchoring the submarine body to the seabed; and balance impellers are arranged on the two sides of the submarine body and used for balanced submergence of the submarine body. By the adoption of the unmanned wave power generation submarine, the arc-shaped submarine body serves as an energy collection component, the pressure resistance capability is high, and the swing performance is good; the impellers rotate to drive the air compression equipment to generate high-pressure gas and the high-pressure gas is used for driving an electric generator to generate power; and by the adoption of the buoyancy chambers with the gas storage tanks and water inflow and outflow valves, the submarine temporarily submerges to avoid disasters, damage caused by extremely large stormy waves to the submarine is avoided, efficiency is improved, and the power generation cost of waves is reduced.
Owner:王铁桥

Underwater vehicle for transporting fluids such as for example natural gas, oil or water, and process for using said vehicle

An underwater vehicle for transporting extraction fluids, for example natural gas, oil or water, has an overall elongated form and includes one or more containment tubes configured to contain the fluid to be transported and forming a bundle that prevalently extends longitudinally with respect to the underwater vehicle, making the vehicle structurally more robust and intrinsically safe.
Owner:ENI SPA

Modularized small-size unmanned underwater vehicle

The invention discloses a modularized small-size unmanned underwater vehicle which includes a vehicle middle part, and a vehicle head part and a vehicle tail part which are detachably connected to the vehicle middle part. A plurality of system sub modules are installed in the vehicle head part. A power propelling system and a control and guiding system are installed in the vehicle middle part. A propeller for cooperatively driving the underwater vehicle to move is assembled on the vehicle tail part. In the invention, the supporting system is independently modularized, while the control and guiding system and the power propelling system are subjected to integrated independent modularization treatment. A plurality of supporting system module sections with different system sub modules built-in are designed, so that the different supporting system module sections can be connected to and combined with the control and guiding system and the power propelling system so as to complete different functions, and if another function needs to complete, only the corresponding supporting system module section needs to change, thereby reducing design and manufacturing cost.
Owner:西安兰海动力科技有限公司

System and method for transporting methane

A methane transportation system is provided. The system may include a methane source configured to dispense methane at a first location, and an underwater vehicle. The underwater vehicle may include a propulsion system configured to transport the underwater vehicle underwater from the first location to a second location and a vessel defining a storage chamber configured to receive water and the methane from the methane source. The storage chamber of the vessel may have a pressure exceeding one atmosphere and a temperature during transport from the first location to the second location sufficient to form methane clathrate in the storage chamber. The system may further include a methane receiver configured to receive the methane released from the storage chamber at the second location. Related methods are also provided.
Owner:THE BOEING CO

Large-sized underwater towing device and method using the same for underwater towing

An underwater towing device, including an underwater towing assembly and a fixing mechanism of the underwater towing assembly. The underwater towing assembly includes a first floating body, a second floating body, and a third floating body. The fixing mechanism includes a fairlead carrier and two supports disposed on two sides of the fairlead carrier. The first floating body, the second floating body, and the third floating body are connected together via a fixing frame. The first floating body, the second floating body, and the third floating body have streamlined and bilaterally symmetrical shapes and all are hollow to accommodate experimental equipment. The first floating body is a cylinder having a drop-shaped horizontal cross-section. The upper part of the first floating body is provided with a buoyancy reserve tank having an elliptic horizontal cross-section.
Owner:DALIAN UNIV OF TECH +1

Submarine boat

The submarine is equipped with a fluid gas pressure container, in particular for storing liquid oxygen. The liquid gas pressure container is arranged within the pressure hull of the submarine and is surrounded by an outer pressure container which is likewise stored within the pressure hull of the submarine. A device is provided which on exceeding a predefined pressure within one pressure container leads fluid from the pressure container out of the pressure hull.
Owner:THYSSENKRUPP MARINE SYST GMBH

Hydrogen fuel storage and delivery system

A fuel delivery and storage system is provided. A further aspect employs a remote central controller and / or software instructions which receive sensor data from stationary and bulk fuel storage tanks, portable distribution tanks, and end use tanks. Another aspect of the present system senses and transmits tank or hydrogen fuel characteristics including temperature, pressure, filled volume, contaminants, refilling cycle life and environmental hazards. Still another aspect includes a group of hydrogen fuel tanks which is pre-assembled with sensor, valve, microprocessor and transmitter components, at least some of which are within an insulator.
Owner:GREEN GRID INC

Large-sized underwater towing device and method using the same for underwater towing

An underwater towing device, including an underwater towing assembly and a fixing mechanism of the underwater towing assembly. The underwater towing assembly includes a first floating body, a second floating body, and a third floating body. The fixing mechanism includes a fairlead carrier and two supports disposed on two sides of the fairlead carrier. The first floating body, the second floating body, and the third floating body are connected together via a fixing frame. The first floating body, the second floating body, and the third floating body have streamlined and bilaterally symmetrical shapes and all are hollow to accommodate experimental equipment. The first floating body is a cylinder having a drop-shaped horizontal cross-section. The upper part of the first floating body is provided with a buoyancy reserve tank having an elliptic horizontal cross-section.
Owner:DALIAN UNIV OF TECH +1

Fuel Tank with Separating Membrane

A tank especially suitable for use as a fuel or oxidizer tank in spacecraft is divided into two tank spaces by a membrane. A liquid is stored on one side of the membrane and a pressure gas is stored on the other side of the membrane. The pressure gas is to drive the liquid out of the tank. The membrane is made of a polymer material and is held by a spring ring in a recess on the outer wall of the tank. The spring ring has a substantially C-shaped cross-section to exert elastic spring holding forces on the membrane in the recess.
Owner:ASTRIUM GMBH

Submarine device with escape boat

The invention provides a submarine device with an escape boat. The submarine device comprises a submarine body, wherein a built-in pipeline is arranged in the submarine body; a lifting bracket is arranged at the bottom of the built-in pipeline; an outlet is formed in one end of the built-in pipeline; an automatic lifting door is arranged at the outlet; the escape boat is arranged in the built-in pipeline; a lifting button is arranged at the automatic lifting door and is electrically connected with a control unit; the control unit is electrically connected with a GPS positioning device, the automatic lifting door, an alarm device, the lifting bracket and oxygen making devices; the GPS positioning device and the alarm device are arranged in the submarine body; the oxygen making devices are arranged in the submarine body and the escape boat; the control unit is electrically connected with a remote control terminal through a wireless transmitting and receiving device. The submarine device with the escape boat is novel in design and high in safety.
Owner:山东格林凯瑞精密仪器有限公司

Bulk metallic glass pressure vessels

A pressure vessel containing a main body with at least one opening. The pressure vessel is made from a BMG material. The pressure vessel may contain an additional part such as a neck, a liner, a rib, a lattice, a fin, and a diaphragm. The pressure vessel may be free of a welded joint in entirety. The pressure vessel may contain multiple parts in the main body, each of which is free of a welded joint. The pressure vessel may be made through thermoplastic forming.
Owner:SUPERCOOL METALS LLC

Optical based pose detection for multiple unmanned underwater vehicles

A system and method for optical communication between multiple UUVs, more specifically, for leader-follower formations between UUVs. The system focuses on the characterization and modeling of a 1-dimensional and / or 3-dimensional light field produced from a light source mounted on a Leader UUV, which is detected by one or more follower UUVs. Communication algorithms are used to monitor the UUV's motion and orientation utilizing simulators, look up tables, and the like. A variety of detectors arrays can be used in a variety of wavelengths depending on the desired application.
Owner:UNIVERSITY OF NEW HAMPSHIRE

Hydraulic retractable fin stabilization buffer device

The invention discloses a hydraulic retractable fin stabilization buffer device and relates to the technical field. The hydraulic retractable fin stabilization buffer device comprises a pair of transverse buffer oil cylinders and a pair of longitudinal buffer oil cylinders, wherein piston rods of the transverse buffer oil cylinders and the longitudinal buffer oil cylinders are correspondingly hinged through respective levers; a winding shaft is arranged at the middle part of each lever; a rod cavity of one oil cylinder of the transverse buffer oil cylinders and a rodless cavity of the other oil cylinder intercommunicate through a pipeline; a rod cavity of one oil cylinder of the longitudinal buffer oil cylinders and a rodless cavity of the other oil cylinder intercommunicate through a pipeline; and an intercommunicating pipeline of the transverse buffer oil cylinders and an intercommunicating pipeline of the longitudinal buffer oil cylinders communicate with respective throttling valves through respective oil supplementing valve groups. According to the hydraulic retractable fin stabilization buffer device disclosed by the invention, the problem that a fin stabilization buffer system of a current manned submersible needs to import the complete set, so the purchasing cost is high can be solved.
Owner:SOUTH CHINA MARINE MACHINERY

Method and system for static and dynamic positioning or controlling motion of marine structure

ActiveUS9776689B2Accurately figured outMeasure a tension of a mooring lineForce measurement by measuring optical property variationVessel safetyAtmospheric temperatureUllage
Disclosed is a system and method for static and dynamic positioning or motion control of a marine structure by using real-time monitoring of at least one of a mooring line, marine environments, 6-dof movement of a marine structure, a tank state, a ship topside, the seabed, or their combinations. The static and dynamic real-time monitoring data of the mooring line is obtained and processed for positioning the marine structure or controlling and managing a motion thereof. Here, 1) a tension of a mooring line is measured by means of real-time monitoring of the mooring line, 2) various marine environment elements such as wind direction, wind speed, air humidity, atmospheric pressure, atmosphere temperature, cloud height, visibility, ocean wave, wave height, sea current speed, sea current direction, rain or the like are measured by means of real-time monitoring of the marine environments, 3) 6-dof movement of the marine structure is measured by means of real-time monitoring of the marine structure, 4) ullage and sloshing data of various tanks in the marine structure are measured by means of real-time monitoring of tank states, 5) damage and life of pipes, facilities or the like located at a ship topside of the marine structure are measured by means of real-time monitoring of the ship topside, 6) damage and life of umbilical cables, pipes, pumps and valves located on the seabed are measured by means of real-time monitoring of the seabed, and suitable static and dynamic positioning or motion control and management may be automatically performed based thereon.
Owner:CYTRONIQ

Hydrogen compressing system and hydrogen compression method

A hydrogen compression system and a hydrogen compression method of the present invention suppress costs required for hydrogen compression and storage. The hydrogen compression system comprises a hydrogen storage chamber placed at a predetermined water depth in water to communicate with surrounding water; a hydrogen container filled with hydrogen gas by a lower pressure than a hydraulic pressure atthe predetermined water depth; a transporting portion configured to guide the hydrogen container that is filled with the hydrogen gas, from above the predetermined water depth to the hydrogen storagechamber; a gas release portion configured to cause the hydrogen gas to be released from the hydrogen container transported to the hydrogen storage chamber and to be stored in the hydrogen storage chamber; a hydrogen recovery device placed above the predetermined depth; and a tube arranged to connect inside of the hydrogen storage chamber with the hydrogen recovery device.
Owner:TOYOTA JIDOSHA KK

Hydrogen gas compressing system and hydrogen gas compression method

A hydrogen gas compression system comprises a hydrogen storage chamber placed at a predetermined water depth in water to communicate with surrounding water; a hydrogen container filled with hydrogen gas by a lower pressure than a hydraulic pressure at the predetermined water depth; a transporting portion configured to guide the hydrogen container that is filled with the hydrogen gas, from above the predetermined water depth to the hydrogen storage chamber; a gas release portion configured to cause the hydrogen gas to be released from the hydrogen container transported to the hydrogen storage chamber and to be stored in the hydrogen storage chamber; a hydrogen recovery device placed above the predetermined depth; and a tube arranged to connect inside of the hydrogen storage chamber with the hydrogen recovery device.
Owner:TOYOTA JIDOSHA KK

System and method for automated rendezvous, docking and capture of autonomous underwater vehicles

A system for automated rendezvous, docking, and capture of autonomous underwater vehicles at the conclusion of a mission comprising of comprised of a docking rod having lighted, pulsating (in both frequency and light intensity) series of LED light strips thereon, with the LEDs at a known spacing, and the autonomous underwater vehicle specially designed to detect and capture the docking rod and then be lifted structurally by a spherical end strop about which the vehicle can be pivoted and hoisted up (e.g., onto a ship). The method of recovery allows for very routine and reliable automated recovery of an unmanned underwater asset.
Owner:STONE AEROSPACE INC
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