A self-righting unmanned vehicle, comprising: a cavity 1, located at a first side of the hull of the unmanned vehicle; a sealed cavity 2, located at a second side of the hull of the unmanned vehicle and provided, in parallel to the cavity 1, in a head region of the hull; and a first propeller 3, provided in a tail intersection region of a normal waterline A with an inversion waterline B of the unmanned vehicle, and rotating in a reverse direction when the unmanned vehicle is in an overturned state. The self-righting unmanned vehicle improves the self-righting efficiency of the unmanned vehicle.

A marine vessel comprising: at least one buoyant tubular foil; and at least one baffle plate positioned about the perimeter of the at least one buoyant tubular foil so as to protrude into the flow of water passing by the perimeter of the at least one buoyant tubular foil, whereby to create a high-pressure zone fore of the at least one baffle plate and a low-pressure zone immediately aft of the at least one baffle plate, whereby to create a dense stream of supercavitated water immediately aft of the at least one baffle plate.

Many different types of systems are utilized or tasks are performed in a marine environment. The present invention provides various configurations of unmanned vehicles, or drones, that can be operated and/or controlled for such systems or tasks. One or more unmanned vehicles can be integrated with a dedicated marine electronic device of a marine vessel for autonomous control and operation. Additionally or alternatively, the unmanned vehicle can be manually remote operated during use in the marine environment. Such unmanned vehicles can be utilized in many different marine environment systems or tasks, including, for example, navigation, sonar, radar, search and rescue, video streaming, alert functionality, among many others. However, as contemplated by the present invention, the marine environment provides many unique challenges that may be accounted for with operation and control of an unmanned vehicle.

Many different types of systems are utilized and tasks are performed in a marine environment. The present invention provides various configurations of castable devices that can be operated and/or controlled for such systems or tasks. One or more castable devices can be integrated with a transducer assembly, such as a phased array, that emits sonar beams and receives sonar returns from the underwater environment. Processing circuitry may receive the sonar returns, process the sonar returns, generate an image, and transmit the image to a display.

A computing apparatus that is integrated within a flotation module, the system obtaining the energy required to power its computing operations from waves that travel across the surface of a body of water on which the flotation module sets. Additionally, the self-powered computing apparatus employs novel designs to utilize its close proximity to the body of water and/or to strong ocean winds to significantly lower the cost and complexity of cooling their computing circuits.

A computing apparatus that is integrated within a flotation module, the system obtaining the energy required to power its computing operations from waves that travel across the surface of a body of water on which the flotation module sets. Additionally, the self-powered computing apparatus employs novel designs to utilize its close proximity to the body of water and/or to strong ocean winds to significantly lower the cost and complexity of cooling their computing circuits.

An apparatus may include a drone buoy configured to float on a body of water. The drone buoy may include a first configuration. The drone buoy may include a second configuration, wherein the drone buoy may be configured to transition between the first configuration and the second configuration.

Disclosed, as a device for correcting the horizontality of the small ship according to the present invention, is a device for controlling the horizontality of a small ship by using a variable mast, the device comprising: a tilt sensing unit for sensing the tilt of the small ship; a position adjustment unit formed such that at least a portion thereof can move in the horizontal direction on the deck of the small ship, and having a separate mast loaded on an upper part thereof to support the mast such that the mast is located at a predetermined height or higher; and a horizontality control unit for correcting the center of gravity of the small ship by adjusting a position of the mast through the position adjustment unit in correspondence to the tilt sensed by the tilt sensing unit.

An electrically-powered unmanned marine vehicle and method of making same, including providing a hull of the marine vehicle and mounting a submersible electric thruster to the hull via a mounting interface of the thruster. The thruster includes a stator assembly and a rotor assembly. The rotor assembly forms an internal cavity with a plurality of magnets arranged radially outwardly of the internal cavity. The stator assembly includes electrical windings that are disposed within the internal cavity of the rotor assembly. The thruster is configured to allow the internal cavity to be flooded with water when the thruster is submerged, and the electrical windings are encapsulated with a protective barrier that prevents the flooded water from contacting the windings. The thruster of the marine vehicle is thus water cooled, and the electromotive forces provided by the windings generate sufficient thrust to propel the marine vehicle through the water.

An air, sea, land and underwater tilt tri-rotor UAV capable of performing vertical take-off and landing. By the method for controlling a submerged floating device and a tilt tri-rotor device, the UAV is switched among the vertical take-off and landing mode, fixed wing mode, water surface sailing mode and underwater submerging mode, thereby making same have the advantages of four kinds of UAVs, and enhancing the applicability, maneuverability and efficiency of UAV. This has high efficiency in power system, has obviously improved endurance time and flight distance as compared with the traditional multi rotor UAV because of having the fixed wing mode, is applicable to more scenarios, and may operate on flat land, mountain land, water surface and underwater, thereby completing designated missions such as aerial, ground, water surface and underwater investigation, survey and concealment.