53 results about "Surface craft" patented technology

An unmanned, towable air vehicle is described and includes electronic sensors to increase the detection range relative to the horizon detection limitations of a surface craft, an autogyro assembly to provide lift, and a controller to control operation the autogyro assembly for unmanned flight. A forward motive force powers the autogyro assembly to provide lift. In an example, the autogyro assembly includes a mast extending from the container, a rotatable hub on an end of the mast, and a plurality of blades connected to the hub for rotation to provide lift to the vehicle. In an example, an electrical motor rotates the blades prior to lift off to assist in take off. The electrical motor does not have enough power to sustain flight of the vehicle in an example.

A fast military surface craft, particularly a frigate or a corvette, includes at least two electric rudder propeller drives, whereby the electric ruder propeller drive is placed at a cruising speed. The electric energy for the rudder propeller of the electric rudder propeller drives is generated by way of fuel cell units distributed in a de-centralized manner in the ship. At least two, preferably electric, hydrojets are provided with underwater hydrojet exit nozzles to enable the craft to travel at high speeds, whereby the electric energy of the hydrojets is produced, by generators.

A submersible vessel comprising:an elongated hull;at least one propeller mounted on a forward end of said hull and adapted to move said hull through water;said at least one propeller being of a size and configuration such that when it is rotated at an appropriate speed, it generates supercavitated water flowing from said at least one propeller and then along an outer surface of said hull so as to diminish friction on the outer surface of said hull and facilitate high underwater speeds.

A towed array deployment system is provided that uses the flow of fluid through the interior of a tube to deploy a towed line array. The system includes a small surface water craft such as an unmanned surface vehicle having a length between seven and eleven meters and a U-shaped tube mounted to the outside of the hull of the watercraft below the waterline. A towed array is fed from a winch aboard the surface craft, through one end of the tube, and the fluid is introduced through into the interior of the tube to force the towed array for deployment through the tube and out a second end of the tube near the stern of the watercraft.

A marine vessel comprising:at least one buoyant tubular foil; andat 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.

A marine vessel comprising:at least one buoyant tubular foil; andat 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.

A marine vessel comprising:at least one buoyant tubular foil;at least one venturi injection ring positioned adjacent to the perimeter of the at least one buoyant tubular foil so as to create a passageway between the at least one venturi injection ring and the perimeter of the at least one buoyant tubular foil, wherein the passageway is characterized by a fore opening, an aft opening, and an intermediate opening disposed between the fore opening and the aft opening, and wherein the intermediate opening is smaller than the fore opening and the aft opening;at least one fluid opening formed in the perimeter of the at least one buoyant tubular foil adjacent to at least one of the intermediate opening and the aft opening; andat least one passageway connecting the at least one fluid opening to a source of fluid.

The present invention relates to an apparatus for altering the course of a moving article and a method thereof comprising of a launching aircraft or surface craft to deploy said apparatus towards a moving article. The apparatus comprises of a driving mechanism (10), wherein said driving mechanism (10) further comprises of a plurality of sections such as a nose section (12), a propulsion section (14), a drag chute section (16) and a cutting section (18), and wherein said sections are integrally connected with one another in a tight and secure manner. The driving mechanism (10) is capable to be launched from an aircraft or a surface craft towards a target and wherein upon launch said driving mechanism (10) is capable of steering itself on its own towards its target and thereafter attaching itself to the target and wherein by using the drag chute section (16). The driving mechanism (10) is designed and configured to alter the initial trajectory or direction of the target to another direction by dragging it and wherein permanently changing the course of the said target.

The invention discloses a wheel set cleaning device. Including the shot blasting room, shot blasting machine, door entry panel and door exit panel, the front side of the shot blasting room is equipped with a feeding mechanism, the shot blasting room is equipped with rails, the middle and rear of the shot blasting room is equipped with a material blocking device, the shot blasting room There are track rotation devices on the front and rear sides below, and a discharge device on the rear side of the shot blasting chamber. Its advantages are: the wheel set can be directly transported to the shot blasting chamber for shot blasting treatment, especially the track can rotate so that all parts of the wheel set can be shot blasted, without dead ends, and the wheel set workpiece after shot blasting cleaning Metallic luster appears on the surface, which optimizes the surface process state of the workpiece, improves the corrosion resistance of the wheel set, greatly improves the cleaning efficiency, reduces the labor intensity of the cleaning work, and the dust collector installed also reduces environmental pollution.

A water craft comprising:an elongated hull comprising a passageway having an inlet and an outlet;a pump jet disposed within said passageway intermediate said inlet and said outlet;said pump jet being configured to receive water entering said passageway through said inlet and pump said water out of said outlet, whereby to propel said hull through water;a plurality of nozzles disposed on the outer surface of said hull, aft of said inlet, wherein said plurality of nozzles are configured to release a friction-reducing fluid, whereby the friction-reducing fluid displaces water from the surface of said hull so as to diminish friction on the outer surface of said hull and facilitate high speeds.

The invention discloses coated craft paper and a production method thereof. The coated craft paper comprises a core paper layer; the upper side of the core paper layer is a surface paper layer, and the lower side is a bottom paper layer; a coating layer is arranged on the upper surface of the surface paper layer; the bottom paper layer and the core paper layer are prepared by the steps of: dosing the waste paper, preparing waste paper pulp to obtain non-deinked waste paper pulp, and manufacturing paper through a paper layer to obtain a wet bottom paper layer and a wet core paper layer; the surface paper layer is prepared by the steps of: manufacturing paper through a paper layer by taking the UKP pulp, the non-deinked waste paper pulp or the mixture of the UKP pulp and the non-deinked waste paper pulp as the pulp to obtain a wet surface paper layer; and the wet bottom paper layer, the wet core paper layer and the wet surface paper layer are subjected to the steps of compounding with the coated body paper, preliminary drying, sizing, later drying, paper surface calendering, paper surface coating and after-treatment to obtain the coated craft paper. The available waste paper types are increased, and the fiber source is wider; and meanwhile, the quality of the waste paper pulp is effectively stabilized so as to guarantee the quality stability of the coated body paper and the white-surface craft paper and avoid easy layering, splitting and scaling.

The invention discloses an automatic control system for surface process treatment, which is applicable to precise fragile articles. The automatic control system combines the procedure of cleaning or coating the articles and the procedure of heat treatment, comprises a control assembly of an anti-collision structure part box of a precise fragile article, a coating bucket control assembly and a heat treatment assembly, combines sensor signals by a control unit, and controls the running of various module motors according to specific needs so as to achieve matching of corresponding procedures. Inthe automatic control system, automatic treatment of the technological process is realized by utilizing a simple structure, the automatic control system is convenient to operate, the damage rate to the articles in the technological process is reduced, and meanwhile, the whole structure of the equipment is in an acid-proof and isolating design, so that the service life of the system is further prolonged.

The invention provides an electronic chart-based global path planning method for optimal energy consumption of unmanned ship ant colonies. 1. After processing the electronic chart and converting it into a processable file form, determine the feasible area and obstacle area of ​​the map, and use the visualization method to find out the set of feasible paths between the starting point, target point and obstacle vertices to ensure These routes do not pass through unfeasible areas to ensure the safety of navigation of unmanned surface vehicles. 2. Establish a mathematical model of motion, and establish a motion model of the unmanned ship, so as to realize the grasp of the propulsion and motion characteristics of the unmanned ship. 3. Unmanned boat data acquisition, when the unmanned boat sails on the water surface, it obtains information such as the course, hull position, and vertical acceleration of the ship; 4. Uses the ant colony algorithm to search for a track that meets the requirements. 5. Establish the energy consumption model of the unmanned surface vehicle under the interference of ocean currents, and improve the ant colony algorithm on the premise of optimal energy consumption to obtain the path that meets the safe navigation conditions and consumes the least energy.

The invention discloses a quantum ant colony algorithm-based unmanned surface vehicle navigation path planning method and belongs to the unmanned surface vehicle and navigation path planning technicalfield. According to the method of the invention, a quantum ant colony algorithm is adopted to solve the navigation path planning problem of an unmanned surface vehicle. The method includes the following steps that: the static environment model of a navigation area is established according to an obstacle distribution condition in a geographic information database; the navigation path planning comprehensive evaluation function of the unmanned surface vehicle is established according to the objective function and constraints of the navigation path planning of the unmanned surface vehicle; and the quantum ant colony algorithm is adopted to perform global static navigation path planning on the unmanned surface vehicle. The algorithm provided by the invention not only can reflect the high efficiency of quantum computing, but also maintain the good searching capacity and strong robustness of the ant colony algorithm, and therefore, the calculation speed of the algorithm can be can improved.With the method adopted, the optimal navigation path of the unmanned surface vehicle under a complex sea condition can be obtained effectively and quickly, and therefore, the optimal navigation path can be obtained under a premise that the unmanned surface vehicle satisfies the constraints, and thus, mission requirements can be satisfied.

The invention discloses a packing box and modified tearing-resistant waterproof slightly pigmented white-surface craft paper thereof, and aims to solve the problems that existing coated white-surface craft paper is insufficient in waterproofness, and after the existing coated white-surface craft paper is prepared into a top-grade packing box, articles in the packing box cannot be protected. According to the technical scheme, the modified tearing-resistant waterproof slightly pigmented white-surface craft paper comprises a coating layer, a surface layer, a core layer, a bottom layer and a waterproof layer, wherein the coating layer is exposed outside during packing; the surface layer coats the coating layer; the core layer is sandwiched in the center; the waterproof layer is positioned on one side, which is away from the core layer, of the bottom layer; the quantification of the modified tearing-resistant waterproof slightly pigmented white-surface craft paper is 210-450 g / m<2>; and the coating amount of the waterproof layer is 10-20 g / m<2>. By the waterproof flayer, the waterproof performance of the modified tearing-resistant waterproof slightly pigmented white-surface craft paper is improved, and the articles in the packing box can be protected well; the modified tearing-resistant waterproof slightly pigmented white-surface craft paper only has one waterproof layer, the waterproof property is realized, furthermore, process and materials are reduced, and process production cost and material cost are saved.

The invention belongs to the field of obstacle avoidance of unmanned surface vehicles, and in particular relates to a USV cluster collision avoidance planning method based on an improved particle swarm optimization algorithm. The present invention mainly includes the following steps: establishing a USV comprehensive view model according to the parameter characteristics of the navigation radar and the photoelectric sensor; constructing a coordinate system; constructing an environment model; designing a rolling optimization strategy and an improved particle swarm optimization algorithm for USV cluster collision avoidance planning; The information detected by the comprehensive sensor and the information of the target point are input into the improved particle swarm optimization algorithm to obtain the navigation and speed adjustment instructions of the USV at the next moment. The invention not only overcomes the shortcoming that the standard particle swarm optimization algorithm is easy to fall into a local optimum, but also combines the current environment information of the USV to improve the real-time performance of USV collision avoidance planning, and adds the corner optimization of the USV to the fitness function. While optimizing the path, it also improves the smoothness of the path.