35results about "Steering by extensible flaps" patented technology

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.

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

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.

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 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.

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 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 differentially deploying devices to counter rolling motions while simultaneously adjusting engine steering position to counter the steering moment associated with device delta position. The system includes a software control strategy comprising (1) a command looping saturation strategy to reduce drag and / or maximize roll performance and provide real-time ride stability to deliver a consistent device delta position even when one or more devices is at their minimum possible bias; and (2) an autopilot heading strategy comprising a feedback loop with means of actuation provided by the engine steering / rudder position and at least one pair of devices capable of producing a yaw moment.

A stability control system configured to provide overall vessel pitch axis control through a combination of rapid symmetrical deployment of devices and engine trim adjustments, and overall roll and heading control by individually deploying devices to counteract roll motion and simultaneously adjusting engine steering position to counteract steering moments associated with device delta positions. The system includes software control strategies that include: (1) a command loop saturation strategy that reduces drag and / or maximizes roll performance to deliver consistent device delta positions even when one or more devices are at their minimum bias, achieving real-time stability on board, and (2) an autopilot heading strategy that includes a feedback loop with engine steering position / rudder position capable of generating a yaw moment and actuation means provided by at least one pair of devices.

A method and a system for controlling a marine vessel having first and second trim deflectors is disclosed. The first and second trim deflectors have a first surface having a first area and a second surface having a second area, wherein the second planar surface is coupled to the first surface. The method and system control the first and second trim deflectors to induce any of a net yawing force, a net rolling force, and a net trimming force to the marine vessel without inducing any other substantial forces to the marine vessel by controlling the first and second trim deflectors.

The present application discloses a towed submersible with mechanical linkage and attitude stabilization. The towed submersible includes a cabin, a tail assembly, an inertial assembly, and at least a pair of side wings. The side wings are rotatably mounted on the side wall of the cabin via a second rod. The inertial assembly includes a counterweight, a main shaft, and a gear structure. The counterweight is rotatably mounted on the main shaft, the tail end of the main shaft is connected to the tail assembly, the gear structure is rotatably mounted on the inner side wall of the cabin, and the counterweight is connected to the gear structure. The counterweight deviates from the central axis of the cabin, and the relative rotation between the counterweight and the cabin can drive the paired side wings to rotate in opposite directions through the gear structure. The movement of the counterweight and the main shaft relative to the cabin can drive the tail assembly to open and close. The towed submersible is designed with an inertial assembly. The inertial assembly utilizes the relative movement of the counterweight and the cabin to achieve passive attitude stabilization of the towed submersible, which can be widely used in the field of marine exploration technology.

A trim tab actuator input device for a marine vessel includes a trim tab movement selector that, when selected for a first trim tab, sends a signal to move the first trim tab to effectuate a first roll movement of the marine vessel. When selected for a second trim tab, the selector sends a signal to move the second trim tab to effectuate a second roll movement of the marine vessel. Selection of a state-changing input element changes the trim tab actuator input device between first and second states. When the trim tab actuator input device is in the first state, a display indicates the first position of the first trim tab and / or the second position of the second trim tab. When the trim tab actuator input device is in the second state, the display indicates the first roll movement and / or the second roll movement of the marine vessel.

The application relates to a bionic jellyfish robot driven by a bistable soft actuator. The bionic jellyfish robot comprises a head assembly and a propulsion mechanism, the head assembly comprises a shell and a control system, the control system comprises a pneumatic telescopic cylinder; the propulsion mechanism comprises a bistable soft actuator connected with the pneumatic telescopic cylinder, the bistable soft actuator is driven to realize first and second stable state switching through the pneumatic telescopic cylinder; the bistable soft actuator is obtained by cross combination of a plurality of bistable curved beams sharing a top surface, first soft hinges are arranged on both sides of the top of each bistable curved beam outside the top surface, and a fish fin structure is arranged on each bistable curved beam; when the pneumatic telescopic cylinder is actuated, the bistable soft actuator realizes jumping between the first and second stable states through the first soft hinges. The bionic jellyfish robot has a unique bistable soft actuator structure design, can achieve the collaborative matching of low driving force and high output energy, and simultaneously decouples the pulse propulsion and steering functions, thereby avoiding the shortcomings of propulsion efficiency and steering sensitivity constraints.