43results about "Steering by extensible flaps" patented technology

A vessel braking control system for a marine vessel that utilizes one or more of the vessel's features and effectors to increase the drag on the vessel both through increased drag on the features and effectors themselves and by creating a downward force on the vessel as a whole, increasing the wetted hull area and increasing hull drag thereby; the control system operates to place the features and effectors in a braking state through rotation relative to the vessel's direction of travel and relative to the water's surface, and may automatically return the features and effectors to their normal operating state upon the vessel's reaching a detected, predetermined speed.

The invention discloses a mechanical linkage posture stabilizing pull-type submersible. The pull-type submersible comprises a cabin, an empennage assembly, an inertia assembly and at least one pair of side wings. The side wings are rotatably arranged on the side walls of the cabin body through second rods; the inertia assembly comprises a balance weight part, a main shaft and a gear structure, the balance weight part rotatably sleeves the main shaft, the tail end of the main shaft is connected with the empennage assembly, the gear structure is rotatably arranged on the inner side wall of the cabin body, and the balance weight part is connected with the gear structure; the counter weight part deviates from the central axis of the cabin body, relative rotation between the counter weight part and the cabin body can drive the paired side wings to rotate in the opposite directions through the gear structure, and movement of the counter weight part and the main shaft relative to the cabin body can drive the empennage assembly to be opened and closed. The pull-type submersible is provided with the inertia assembly, the inertia assembly achieves passive posture stabilization of the pull-type submersible through relative movement of the balance weight piece and the cabin body, and the pull-type submersible can be widely applied to the technical field of ocean exploration.

The utility model provides a movable automatic aerator which comprises a plurality of pontoons, a control box is fixedly connected to the pontoons in the middle, rotating shafts are arranged on the two sides of the lower end of the control box in an extending mode, a plurality of impellers are connected to the rotating shafts in a sleeving mode, and a flow guide plate is fixedly connected to the middle of the lower end of each pontoon in the length direction of the pontoon; the heads of the floating pontoons on the two sides are fixedly connected with steering engines, the output ends, extending downwards, of the steering engines are fixedly connected with rudder plates, a fixed baffle is arranged on the lower portion of the front end of the floating pontoon in the middle, and the fixed baffle is perpendicular to the flow guide plate. Compared with a traditional fixing mode, the device can move on the water surface, and it is ensured that the device can run at any place of a water area.

A support system for outboard marine motors at the transom of a boat includes a support device having a first part that is integral with the transom and a second part that is integral with the outboard motor. The second part is translatable with respect to the first part, so that the second part moves according to an orientation in the distancing or approaching direction of the water line of the boat. A control unit is configured to set the position of the second part with respect to the first part and to generate control signals, so as to move the second part in the direction of immersion of the propeller of the outboard motor.

A system for controlling a marine vessel comprises an input device for inputting an operator command, a sensor which senses and signals an engine function variable or a vessel dynamic variable, and a first structural element and a second structural element. The first structural element and the second structural element each control speed or direction of motion of the marine vessel, and the first structural element and the second structural element each affect the marine vessel dynamic variable. There is a controller which receives the operator command and the engine function variable or the vessel dynamic variable. The controller moves the first structural element and the second structural element based on the engine function variable or the vessel dynamic variable, after receiving the single operator command.

The utility model provides a ship brake sail group with a closed structure, which is characterized in that a plurality of closed ropes (6) are additionally arranged on a balancing weight (3) at the lower part of a sail group (1), and the length of the closed ropes (6) is smaller than that of canvas (2) in the vertical direction; the lower end of the closed rope (6) is connected with the balancing weight (3), and the upper end of the closed rope (6) bypasses the incident flow surface of the canvas (2) and then is connected with the connecting belts (7) at opposite positions; the vertical section of the main body of the canvas (2) forms a J-shaped streamline structure with a directional opening characteristic under the constraint action of the closed rope (6), and the opening end of the J-shaped structure is arranged towards the stern transom plate; the vertical height H of the opening section of the J-shaped structure meets the condition that H is larger than or equal to 1 / 2 L, and L is the total unfolding length of the canvas (2) body in the vertical direction. The resistance of the sail group can be improved, and the folding difficulty of the sail group is not increased.

To provide a comfortable environment for drift fishing.SOLUTION: A pair of right and left resistance plate units 90L and 90R which can be individually driven are arranged at the stem. The magnitude of the resistance that the resistance plates 93 of the resistance plate units 90L and 90R receive from the water is a first magnitude at the first position (90°) and is a second magnitude smaller than the first magnitude at the second position (0°). The resistance plate 93 is controlled based on the wind speed WS and the absolute tidal current speed TV1.SELECTED DRAWING: Figure 4

The present invention relates to a ship, comprising: - a propeller that is driveably connected to a drive; - a rudder system arranged downstream of the propeller and comprising a pair of rudders arranged on opposite sides relative to a water flow induced by the propeller and configured to jointly deflect the water flow induced by the propeller; - wherein each rudder of the pair of rudders comprises two flaps that are pivotable relative to each other between a forward sailing state and a reversing state; and - wherein, in the reversing state, said flaps are oriented to define a scoop shape of the rudders to deflect and reverse the water flow.

A vessel braking control system for a marine vessel that utilizes one or more of the vessel's features and effectors to increase the drag on the vessel both through increased drag on the features and effectors themselves and by creating a downward force on the vessel as a whole, increasing the wetted hull area and increasing hull drag thereby; the control system operates to place the features and effectors in a braking state through rotation relative to the vessel's direction of travel and relative to the water's surface, and may automatically return the features and effectors to their normal operating state upon the vessel's reaching a detected, predetermined speed.

The invention discloses a folding wing air-drop underwater glider based on a high-speed cross-medium water entry buffer device, and relates to the technical field of ocean exploration equipment. The underwater glider mainly comprises a hydrodynamic profile unit, a rapid retarding unit arranged at the tail and glider wing stretching devices located on the two sides. According to the rapid retarding unit, an opening and closing buckle is controlled through a steering engine to lock or release an unhooking pin shaft connected with the parachute, rapid separation of the parachute is achieved through the ejection effect of a high-elasticity element after the parachute enters water, and water entering impact is effectively reduced. According to the hang glider stretching device, the wings are restrained to be in a folded state through water-soluble fiber pieces, after the wings are dissolved in water, transmission racks are pushed through pre-compression springs, then wing changing gears connected with the wings are driven to rotate, and automatic unfolding and self-locking of the wings are achieved. The underwater glider has the advantages of being simple and light in structure, high in space utilization rate, good in underwater buffering effect and the like, and the problems that impact is large and carrying space is limited during air-drop laying of a traditional underwater glider are solved.

The application relates to the field of motorboat technology, in particular to an electric motorboat, wherein the electric motorboat comprises a motorboat body; a steering device which is detachably connected to the bottom of the motorboat body and comprises two steering plates connected to the two sides of the motorboat body respectively; a control handle which is detachably connected to the front end of the motorboat body; and a connecting line with one end connected to the steering plate and the other end connected to the control handle; when the control handle is rotated, the control handle pulls the connecting line, the connecting line drives the connecting plate on the corresponding side to fall into water along a preset track, the steering plate on one side is used to generate resistance to drive the motorboat body to turn, the steering of the motorboat body can be realized through the control handle, the whole operation is simple, the motorboat is easy to control for beginners, and the motorboat can adapt to a large number of people.

The steering structure of the swimming pool robot comprises a movable base and a control device, the control device is fixed to the movable base and comprises a spraying device and a steering device, and the spraying device is provided with a spraying opening and used for generating water flow which is continuously sprayed; the steering device comprises at least one movable empennage rotationally connected to the jet orifice, and the movable empennage changes the jet water flow direction by adjusting the deflection angle of the movable empennage, so that counter-acting force is generated to drive the movable base to steer. According to the utility model, the problems of steering and power of the swimming pool robot in water are solved.

A stability control system configured for total vessel pitch axis control by fast symmetric deployment of devices, coupled with engine trim adjustments and total roll and heading control by differenti

The submersible light shell device with the speed reduction function comprises a reset ring, four vertical sliding rails are evenly distributed on the top face of the reset ring at intervals, a supporting ring is installed on the upper portions of the sliding rails and arranged on the outer rings of the sliding rails in a sleeving mode through rolling wheels, and four hinge pieces are evenly distributed in the circumferential direction of the supporting ring; each hinge piece is provided with a wing plate capable of being turned over, and the bottom of each wing plate is connected with a reset ring through a reset rope assembly. Through cooperation of the sliding rails, the supporting rings, the wing plates, the rolling wheels, the reset ropes and other components, the light shell can be automatically opened to conduct active intermittent speed reduction in the non-moving diving process of the rotary body bathyscaph, and equipment in a cabin can conveniently reach a good working state. The light shell is also used as a deceleration wing, and the longitudinal frame is also used as a slide rail, so that the integration level of equipment is improved, the burden of the equipment is reduced, the overwidth is reduced, and transportation and protection are facilitated. The device does not need pressure resistance or energy, is suitable for a full-sea-depth environment, and is low in cost and high in reliability.

A control device for a marine vessel (1) includes a hull (2), at least a pair of resistance members (93), an acquisition unit (70), and a control unit (71). The resistance members (93) are arranged on the hull (2), one on the left and one on the right, each independently drivable and movable between a first position, where the resistance received from water in a predetermined direction is adjusted to a first magnitude, and a second position, where the resistance is adjusted to zero or to a second magnitude smaller than the first magnitude. The acquisition unit (70) acquires the relative distance (D) between a buoy (36), which floats on the water in a free-drifting manner, and the hull (2). The control unit (71) controls the resistance members (93) based on the relative distance (D).

Stability control system - A stability control system configured to configure a dynamic active control system with rapid symmetric deployment of water engaging devices for full control of the vessel's pitch axis, and differential deployment of the water engaging devices to counteract roll motion associated with the delta position of the water engaging devices, thereby providing engine trim adjustments and overall control of roll and heading. The software module is further configured to improve the vessel's operational stability with a control strategy that limits the bias of the water engaging devices when the vessel accelerates or decelerates. The control strategy can maintain the bias within a constant limiting configuration (e.g., related to the vessel's speed) until the limiting configuration no longer exists.

There is provided systems and methods for stabilising a vessel against a stationary structure. Embodiments of the system include a sensor system, a processor, and a vessel control system. The processor is configured to determine a change in the position and / or motion of the waterborne vessel relative to the stationary structure based on sensor data, and to determine a minimum corrective force required to oppose the change. The minimum corrective force is then delivered by the vessel control system operable to stabilise the waterborne vessel relative to the stationary structure.

Device for amplifying the wheel effect in propeller-driven vessels, characterized in that a retractable and extendable control fin is attached to the stern of the vessel, which engages in the water flow of the propeller in order to specifically amplify the lateral offset of the stern.

The present Invention of Speed Cycling Watercraft is a single and double cycling system and is water or air propelled. It is specifically designed for manual water racing or sporting and the floater is unsinkable platform. The double cycling system is designed such that anyone cyclist can lock in and out to rest or continue and the cycling independent. The system comprises, unsinkable platform, mono wheel bike or bikes, single or double cycling gearbox, propeller shaft and water or air propeller. Motion transmission system is developed into three stages, primary, secondary and advanced stage, capable of generating more than 2,400 rpm on air propelled platform and 2,000 rpm on water propelled platform. For the air propelled platform, breaking mechanism is separately designed. The present invention of Speed Cycling Watercraft is mainly designed for manual water racing or water sporting, the futuristic Commonwealth and Olympic Games Water Cycling Sport.

A control device for a marine vessel includes a hull, a pair of water resistance bodies, and a controller. The pair of water resistance bodies are provided on the hull, one on a left side and one on a right side of the hull, each independently movable between a first position in which a resistance received from water in a predetermined direction is adjustable to a first magnitude, and a second position in which a resistance is adjustable to zero or to a second magnitude smaller than the first magnitude. The controller is configured or programmed to acquire a relative distance between a buoy, which floats on the water in a free-drifting manner, and the hull. The controller is configured or programmed to control the pair of water resistance bodies based on the relative distance.

The ship comprises a ship body, the bottom of the ship body is of an arc-shaped inwards-concave structure, a streamline bow with an M-shaped outline is arranged in front of the ship body, and an air inlet is formed in the bow; a driving mechanism is arranged at the rear part of the ship body and comprises a propulsion water pump with a water inlet end positioned at the bottom of the ship body; a balance mechanism is arranged below the prow, reversing mechanisms are arranged on the sides of the two sides of the ship body respectively, and a braking system is further arranged on the ship body. A central integrated control system is further arranged on the ship body and used for cooperatively controlling the driving mechanism, the balance mechanism, the reversing mechanism and the braking system. The ship navigation resistance is remarkably reduced, the braking performance is cooperatively improved, and through cooperative work of multiple mechanisms, the navigation speed and the energy efficiency are improved, and meanwhile the operation flexibility and the high-speed braking safety are enhanced.

Stability control system - A stability control system configured to configure a dynamic active control system with rapid symmetric deployment of water engaging devices for full control of the vessel's pitch axis, and differential deployment of the water engaging devices to counteract roll motion associated with the delta position of the water engaging devices, thereby providing engine trim adjustments and overall control of roll and heading. The software module is further configured to improve the vessel's operational stability with a control strategy that limits the bias of the water engaging devices when the vessel accelerates or decelerates. The control strategy can maintain the bias within a constant limiting configuration (e.g., related to the vessel's speed) until the limiting configuration no longer exists.

The present Invention of Paralympics Cycling Watercraft is a single and double cycling flat catamaran and is water or air propelled. It is specifically designed for persons with disability. It comprises, unsinkable flat catamaran, horizontal and vertical cycling structures, motion transmission mechanism, twin arm gearbox, propeller shaft, water or air propeller. Speed is developed in four stages to achieve more than 1800 rpm. The double cycling system which drives one horizontal transverse shaft has automatic locking in or out should one cyclist wish to take a rest while the other cyclist continues cycling and has a wider seating space to accommodate two cyclists. The present invention of Paralympics Cycling Watercraft can be used only with persons whose lower limbs are disabled but strong upper limbs. It can also be used for water cycling competition for example in Commonwealth and Paralympics games.

A control device for a marine vessel (1) includes a hull (2), at least a pair of resistance members (93), a first acquisition unit (71), a second acquisition unit (71), and a control unit (71). The resistance members (93) are arranged on the hull (2), one on the left and one on the right, each independently drivable and movable between a first position, where the resistance received from water in a predetermined direction is adjusted to a first magnitude, and a second position, where the resistance is adjusted to zero or to a second magnitude smaller than the first magnitude. The first acquisition unit (71) acquires wind speed (WS). The second acquisition unit (71) acquires tidal current speed (TV1). The control unit (71) controls the resistance members (93) based on the wind speed (WS) and the tidal current speed (TV1).

The present invention relates to the field of unmanned ships, and in particular to an autonomous obstacle avoidance control device for unmanned ships. The technical problem to be solved by the present invention is to provide an autonomous obstacle avoidance control device for unmanned ships, which can allow the unmanned ship to perform emergency deceleration to avoid obstacles when the signal is weak, and can also allow the unmanned ship to maintain balance when turning, so that the unmanned ship can travel stably. An autonomous obstacle avoidance control device for unmanned ships includes a hull, a bracket, an internal support, a mounting seat, etc.; the bracket is fixedly connected to the top of the hull, the internal support is fixedly connected to the lower side of the top of the hull, the internal support is located in the hull, the mounting seat is fixedly connected to the upper side of the bottom of the hull, and the mounting seat is located in the hull. The present invention increases the water resistance by rotating two flip speed brakes 90 degrees to open, quickly reducing the travel speed of the hull, so that the hull can decelerate urgently when encountering an obstacle at a close distance, and has enough time to deflect to the left or right to avoid the obstacle.

The foldable speed brake for the submersible comprises a light shell, folding speed brake bodies are symmetrically arranged on the light shell, the light shell comprises a horizontal plate, hinge assemblies are arranged on the outer side of the horizontal plate, rotating plate assemblies are connected to the hinge assemblies, the rotating plate assemblies turn around the hinge assemblies, and the number of the hinge assemblies is two. The two hinge assemblies are symmetrically installed on the two sides of the left end face of the horizontal plate, and each hinge assembly structurally comprises spaced supporting plates fixedly connected to a connecting rod of the horizontal plate, the supporting plates are provided with threaded holes, horizontal rotating shafts are arranged between the two supporting plates in an up-down spaced mode, and gear discs are installed on the two horizontal rotating shafts respectively. A limiting groove is formed in the disc face, close to the supporting plate, of the gear disc, a positioning bead is installed in a threaded hole of the supporting plate, the rotating plate assembly is in a vertical state, the positioning bead is meshed with the limiting groove to provide locking force, the two rotating plate connecting rods are used for connecting the rotating plate and the gear disc above and below the rotating plate assembly respectively, and a torsion spring is arranged on the horizontal rotating shaft in a sleeving mode. Working is stable and reliable.

A stability control system configured for total vessel pitch axis control by fast symmetric deployment of devices, coupled with engine trim adjustments and total roll and heading control by differenti

The present Invention of Speed Cycling Watercraft is a single and double cycling system and is water or air propelled. It is specifically designed for manual water racing or sporting and the floater is unsinkable platform. The double cycling system is designed such that anyone cyclist can lock in and out to rest or continue and the cycling independent. The system comprises, unsinkable platform, mono wheel bike or bikes, single or double cycling gearbox, propeller shaft and water or air propeller. Motion transmission system is developed into three stages, primary, secondary and advanced stage, capable of generating more than 2,400 rpm on air propelled platform and 2,000 rpm on water propelled platform. For the air propelled platform, breaking mechanism is separately designed. The present invention of Speed Cycling Watercraft is mainly designed for manual water racing or water sporting, the futuristic Commonwealth and Olympic Games Water Cycling Sport.