713results about "Wind acting propulsive elements" patented technology

An assembly including a profiled sail, a mast and several cambering devices for the profiled sail. The cambering devices including a semi-rigid structure, elastically deformable, including two length sections, extending in front of one another, forming respectively a first length section secured to a first surface of the profiled sail and a second length section secured to a second surface of the profiled sail, a U-shaped connecting section, interconnecting the first length section and the second length section while extending them. A system reduces the surface area of the profiled sail exposed to the wind, and configured to reduce the surface area of the profiled sail including several sections of the profiled sail as well as structural cambering devices.

The invention relates to the technical field of ships, in particular to a rotary cylinder sail for LNG (liquefied natural gas) ship utilization, which comprises a rotary cylinder sail and a driving mechanism. The two arc-shaped rotating cylinders are both in a semi-arc shape and are arranged along the axes of the arc-shaped rotating cylinders in a sliding mode; and the adjusting assembly is used for driving the two arc-shaped rotating cylinders to be close to or far away from each other, so that a cylindrical structure is formed when the two arc-shaped rotating cylinders are aligned, or the two arc-shaped rotating cylinders are made to move and used for adjusting the contact area of the two arc-shaped rotating cylinders and wind. The adjusting assembly is started to adjust the contact area with the wind, the contact area with the wind can be adjusted according to the wind power, the ship body runs more stably, the driving effect on the ship body can be improved, and the stability of the ship body during running is improved.

The invention provides a modular suction type flap sail device. The modular suction type flap sail device comprises an external rotating mechanism and an internal fixed hollow cylindrical shell. The external rotating mechanism comprises leading edge and flap modules and is used for adjusting the posture according to the wind direction; the internal fixed hollow cylindrical shell comprises a hollow cylinder, a fan and the like and is used for providing a negative pressure field. Through the modular design, each module can be independently manufactured and assembled, manufacturing, transportation, hoisting, debugging, maintenance and upgrading and updating are convenient, the cost is reduced, and the flexibility and the energy efficiency are improved. The front edge and the flap module are designed in sections, so that the height and the length-diameter ratio of the sail body can be flexibly adjusted; the hollow cylinder module is segmented and is specially connected, so that air tightness and air suction uniformity are ensured; the hollow rotating platform enables internal and external mechanisms to move independently, so that energy consumption and load are reduced; the fan installation position is optimized, and the wind energy utilization efficiency is improved. The device is stable, reliable and high in adaptability, and has remarkable economic benefits and engineering application value.

The invention discloses a ship efficient airfoil sail with a winglet, which comprises a main wing, the winglet, a mast structure, a lifting mechanism, a rotary driving device, an angle adjusting mechanism and an intelligent control system, and is characterized in that the winglet with an adjustable angle is mounted at the wingtip of the main wing, so that the airflow flowing state at the end part of the main wing can be effectively changed, and the airfoil sail can be effectively controlled. Wingtip vortexes are inhibited, and induced resistance is reduced; the angle adjusting mechanism can adjust the angle of the winglet according to the actual wind condition, the induced resistance is effectively reduced, and the overall aerodynamic efficiency of the sail is improved; the sail is automatically adjusted by controlling the lifting mechanism, the rotary driving device and the angle adjusting mechanism. The sail system can improve the wind energy capturing and converting efficiency of the sail, assists a ship in emission reduction and efficiency improvement through wind energy, can adapt to different ship types and navigation working conditions, has the advantages of being reasonable in structure, remarkable in energy saving, wide in application range and the like, has important significance in promoting green shipping development of the ship, and can achieve energy-saving and efficiency-improving green navigation of the ship.

Cambering device for a profiled sail including: —an elastically deformable semi-rigid structure, including: —two length sections, extending one in front of the other, forming respectively a first length section secured to a first surface of the profiled sail, and a second length section secured to a second surface of the profiled sail, —a U-shaped connecting section, connecting together the two length sections terminating at the trailing edge by a tensioning of one of the two free ends, —a spacing system configured for working in compression and in tension, for maintaining a separation between the two length sections, —the action of the actuator, connecting together the two free ends of the semi-rigid structure.

The present disclosure relates to a telescopic profile wing system (1) for propelling a vehicle by wind power, the profile wing system comprising a mast (M) and a set of telescopic segments (SG) that cooperate with each other during guidance, and wherein the telescopic segments are configured to form a profile wing (AP) at least in a deployed position (P1) in which the telescopic segments (SG, SG) engage with each other. Said telescopic segments extend relative to each other in the direction of said mast (M) by forming said profiled wings having a first wing surface (S1) and a second wing surface (S2) distributed on both sides of said mast (M), said system being configured to switch from said deployed position (P1) to a retracted position in which said first wing surface (S1) and said second wing surface (S2) extend relative to each other in the direction of said mast (M). The individual segments (SG) are collapsed with each other, and the profiled wing (AP) is then in a position occupying a smaller space relative to the deployed position.

The invention belongs to the technical field of ships, and discloses a parabola-shaped rotary air duct for a ship. The parabola-shaped rotating air duct for the ship comprises an air duct body, the air duct body is rotationally installed on a deck of the ship, the air duct body extends in the vertical direction, the air duct body is a rotating body, the generatrix of the air duct body is a parabola, and the parabola serves as the generatrix to enable the air duct body to be in the shape of a cylinder contracting towards the two ends. Under the same thrust, the height of the air duct body is obviously reduced, meanwhile, the gravity center of the air duct body is obviously reduced, the stability of the air duct body and a ship is improved, and the air duct can easily pass through a height limiting area; the radius of the contact face of the air duct body and the deck is smaller, the occupied area of the deck can be reduced, and arrangement and port operation are easier.

The invention discloses a wind-solar hybrid drive ocean unmanned ship platform and a design method thereof, and relates to the technical field of unmanned ships, the wind-solar hybrid drive ocean unmanned ship platform comprises a platform body module, a power propulsion module, an energy supply module, an environment sensing module and a control module, the platform body module comprises an unmanned ship main body of a strip-shaped single ship structure and stabilization hydrofoils, the stabilization hydrofoils are arranged below the unmanned ship main body, the power propulsion module comprises a wing sail and a sail rotating device, the wing sail is arranged above the unmanned ship main body through the sail rotating device, and the energy supply module comprises a solar charging panel and a storage battery connected with the solar charging panel; the low-resistance characteristic of the strip-shaped single ship structure of the unmanned ship main body is utilized, wind power driving of the wing sails and light energy power generation of the solar charging panel are matched, the cruising ability of the unmanned ship is improved, meanwhile, the problem that the unmanned ship main body of the strip-shaped single ship structure is poor in stability is solved through the stabilization hydrofoils, and the unmanned ship is more stable. And the navigation stability and the anti-overturning capability are improved.

[The invention pertains to a Flettner-type type rotary rigging (100) comprising a tower (131, 132) comprised inside a cylindrical outer skin (121) centered on a vertical axis (110) of rotation and comprising a connection with the cylindrical outer skin (121) and comprising a tower structure consisting of an assembly of structural members comprising wood fibers

A boat stabilizer having an upper harness for attachment to a vessel, the upper harness having an assembly control system for controlling attached wing assemblies, each wing assembly having a wing attached to the assembly control system and a wing mount attached to the wing and the assembly control system. The boat stabilizer may be further comprised of a controllable parasail comprising a parasail canopy, a plurality of parasail cords attached the parasail canopy, a parasail mount attached to the upper harness and the parasail cords, a parasail control rudder attached to each parasail cords, and yaw and pitch controllers, both of which are attached to the parasail control rudder. The assembly control system is configured to work in conjunction with the controllable parasail to provide the desired balance of vertical lift and forward propulsion to the attached vessel, while also providing directional control to the attached vessel.

An unmanned vehicle system is provided. The system may comprise a host vehicle and a guest vehicle, each of which may each include a vehicle body, a control system, a maneuvering system, and a sensor and communication system. The host vehicle may also include a securing system. The host vehicle and the guest vehicle may be in communication with one another, and the guest vehicle may be moveable between a stowed state, defined as the guest vehicle being at least partially carried by a portion of the host vehicle, and a deployed state, defined as the guest vehicle being spaced apart from the host vehicle. The securing system may be operable to move between a locked state and an unlocked state to selectively engage the guest vehicle to allow for the guest vehicle to be moved from the stowed state to the deployed state.

To provide a marine vessel that prevent the occurrence of a situation in which a navigation light on a bow side and a navigation light on a stern side become simultaneously invisible, when a wind power propulsion part is used.SOLUTION: In a marine vessel 1, a light source 50 for generating light toward a predetermined angle range θ1 when being viewed from a vertical direction is provided on the upper part of a magnus rotor 10D. Accordingly, the light source 50 is arranged at a position higher than the magnus rotor 10D, which can be prevented from being hidden by the magnus rotor 10D. The light source 50 generates light toward the predetermined angle range θ1 when being viewed from the vertical direction. Therefore, the light source 50 can be functioned as a navigation light on a stern side. Therefore, a bow side navigation light 42 and the light source 50 as the stern side navigation light can be simultaneously visible when being viewed from sea. From above, when the magnus rotor 10 is used, it can prevent the occurrence of a situation in which the bow side navigation light and the stern side navigation light simultaneously become invisible.SELECTED DRAWING: Figure 3

An unmanned vehicle may include a vehicle body and a propulsion system carried by the vehicle body. The unmanned vehicle may also include a maneuvering system carried by the vehicle body and a vehicle control system carried by the vehicle body. The vehicle control system may control speed, orientation, or direction of travel of the unmanned vehicle. The unmanned vehicle may also include a mount point carried by the vehicle body. An interchangeable payload deck may be removably connected to a portion of the vehicle body via the at least one mount point. The unmanned vehicle may further include a power supply carried by the vehicle body.

A kite system includes a kite (14), a pod (25), and a line tree (24), where the kite (14) is bonded to the pod (25) by the line tree (24). The line tree (24) includes branch blocks (27, 28). The branch blocks (27, 28) are connected to the pod (25) by control cables (35, 36). The line tree (24) comprises a first cable segment (48) extending between the branch block (27, 28) and a first attachment point (61) of the kite (14). The line tree (24) includes a second cable segment (49) extending between the branch block (27, 28) and a second attachment point (62) of the kite (14). The lengths of the control cables (35, 36) between the pod (25) and the branch blocks (27, 28) are changed by a control mechanism (39). The length of the first cable segment (48) between the branch blocks (27, 28) and the first attachment point (61) is changed by a trimming mechanism (40). The invention also relates to a method for operating a kite system.

A novel rigid airfoil sail having an airflow suction function, the novel rigid airfoil sail comprising a sail body (100); the upper end face of the sail body (100), which is a tubular component, is provided with an end plate (1). Of the side wall of the sail body (100), one side is a sail body protruding face (101) while the other side is a sail body recessed face (102), the sail body protruding face (101) being provided with air suction holes (3), and the end plate (1) being provided with air discharge holes (5). Airflow entering through the air suction holes (3) is discharged through the air discharge holes (5). The air suction holes (3) are arranged at intervals in the horizontal and vertical directions of the sail body recessed face (102). The rigid airfoil sail having an airflow suction function has a simple structure, and the ‌thrust performance of the rigid airfoil sail can be significantly improved, thereby greatly improving energy efficiency.

The utility model provides a folding fan type solar sail and a sailing boat with the folding fan type solar sail. The folding fan type solar sail comprises a mast, an inclined supporting sail rod, an inclined pulling sail rod, a first flexible solar cell panel, a second flexible solar cell panel, a third flexible solar cell panel, a first shaft sleeve joint, a second shaft sleeve joint, a third shaft sleeve joint and a conical fixing buckle. Inclined supporting sail rods and inclined pulling sail rods are arranged on the two sides of the mast, the inclined supporting sail rods and the mast are connected through second shaft sleeve joints, the inclined supporting sail rods and the mast are connected through first shaft sleeve joints, third shaft sleeve joints are arranged at the tail ends of the inclined supporting sail rods, the third shaft sleeve joints are fixed relative to the inclined supporting sail rods, and the inclined pulling sail rods and the inclined supporting sail rods are connected through the third shaft sleeve joints. A first flexible solar cell panel, a second flexible solar cell panel and a third flexible solar cell panel are arranged between the diagonal bracing sail rod and the mast; the second shaft sleeve joint slides up and down on the mast, so that the sail is unfolded and folded, the sail is more efficient and quicker to use, and the sailing adaptability of the sailing boat is improved by the generated electric power.

The invention discloses a control method of a marine wind power boosting rotor, and relates to the technical field of ship energy conservation and control, and the method comprises the steps: determining constraint conditions of marine wind power boosting rotor control; according to the wind power environment parameters, the operation condition of the wind power boosting rotor for the ship at the t moment is determined, and the optimal rotating speed of the wind power boosting rotor for the ship is determined; constructing a target function controlled by the marine wind power boosting rotor, and calculating the optimal rudder angle and the optimal propeller power of the ship when the target function reaches the minimum by utilizing an optimization method according to the optimal rotating speed at the moment t, the rudder angle of the ship, the propeller power, the motion state parameters and the wind power environment parameters; and the rotating speed of the wind power boosting rotor and the rudder angle of the ship are adjusted according to the optimal rotating speed, the optimal rudder angle and the optimal propeller power. According to the method, cooperative improvement of rotor energy efficiency and ship control stability is achieved by controlling boundary constraint and self-adaptive adjustment of a complex wind field.

The invention discloses a wind power boosting rotor device and a ship, a roller of the wind power boosting rotor device is mounted on a track in a rolling manner, the track is provided with a locking hole group, and the locking hole group comprises a plurality of locking holes distributed at intervals along the extension direction of the track; the rail clamp is slidably arranged on the rail; a shell of the first linear driving piece is fixedly connected with the rail clamp, the output end of the first linear driving piece is fixedly connected with the locking piece, and the first linear driving piece can drive the locking piece to be connected with any locking hole of the locking hole set in an inserted mode so as to lock the relative position of the rail clamp and the rail. One of a shell of the second linear driving piece and the output end of the second linear driving piece is rotationally connected with the rail clamp, the other one of the shell of the second linear driving piece and the output end of the second linear driving piece is rotationally connected with the base, and the second linear driving piece can selectively drive one of the base and the rail clamp to move in the extending direction of the rail. The wind power boosting rotor device is simple in structure, and after the locking piece is inserted into the locking hole in the expected position, the wind power boosting rotor device can be fixed at the expected position.

The invention describes a wind turbine vessel (1) which autonomously sails at high sea by means of wind turbines (2) and produces, stores and transports energy. The wind turbine vessel (1) is a multi-hull vessel having three or more hulls (3), between which at least one wind turbine (2) is installed. The hulls (3) are installed rotationally symmetrically parallel to the longitudinal axis of the wind turbine vessel (1). This makes it possible for the wind turbine vessel (1) to pivot, that is to say to rotate about its own longitudinal axis, in order to be resilient in the case of sea storms. In the event that it capsizes in strong winds or waves, it retains its complete structural and functional integrity as a result of its rotationally symmetrical design. The wind turbines (2) are used simultaneously in two ways. Firstly, they are used for the production of electrical energy which is stored on board in the hulls (3), for example in batteries or with power-to-hydrogen. Secondly, the wind turbines (2) are used as sails for driving and controlling the wind turbine vessel (1) by means of yawing movements. It can thus sail autonomously at high sea in areas in which the wind conditions are favourable for energy production, that is to say it can use stronger and more uniform winds, and transport the energy stored on board to a location where it can be fed into the energy grid.

The invention provides a rotary drum sail device. The rotating cylinder sail device comprises a base, a cylinder inner supporting piece, a rotating outer cylinder, an upper end plate and a lower end plate. The in-cylinder support is fixed to an upper portion of the base. The rotary outer cylinder is of a cylindrical structure. And the rotary outer cylinder is positioned above the base. And the rotary outer cylinder is sleeved outside the in-cylinder supporting piece. The rotating outer cylinder is rotatably connected to the in-cylinder support about an axis of rotation. And the outer contour of the upper end plate is circular. The upper end plate is fixed to the upper end of the rotating outer cylinder. And the upper end plate and the rotary outer cylinder are coaxially arranged. The outer diameter of the upper end plate is larger than that of the rotary outer cylinder. The lower end plate is an annular plate. And the lower end plate is positioned above the base. And the lower end plate is sleeved outside the lower end of the rotary outer cylinder. And the lower end plate and the rotary outer cylinder are coaxially arranged. The outer diameter of the lower end plate is larger than that of the rotary outer cylinder. The vortex at the lower part of the rotary outer cylinder can be reduced, and the conversion rate of airflow energy is improved.

The utility model belongs to the field of rotary drum sails, and particularly relates to a detachable base of a rotary drum sail, which comprises a fixed base, the inner side of the upper end of the fixed base is provided with a detachable base through a flange, the detachable base is provided with a rotary drum, the upper end of the detachable base is welded with an inner tower, and the upper end of the inner tower is provided with a rotary drum. An outer cylinder lower end inner supporting structure is fixedly installed on the inner wall of the rotary cylinder, an inner supporting wheel is arranged on the inner tower, the end, away from the inner tower, of the inner supporting wheel abuts against the outer cylinder lower end inner supporting structure, a driving motor is fixedly installed on the top of the inner side of the inner tower, a center shaft is rotationally connected into the inner tower, and the driving motor drives the center shaft to rotate. A top cover is welded to the upper end of the rotary cylinder. When the rotary drum sail affects cargo loading and unloading for a short time, the rotary drum sail can be rapidly hoisted and unloaded from a ship and can be properly stored, and the rotary drum sail can be rapidly reassembled after cargo loading and unloading are completed and can be rapidly used through simple connection and wiring.

A kite launching and landing assist device includes a cavity support portion in which a kite is detachably secured by tension of the tether when the tether is wound with a winch, and a cavity serving as an air channel is secured in a direction intersecting with a wind receiving surface of the kite, and includes a launching and landing buoy that is detachable from or detachable from the floating unit and is floatable.

The present invention relates to a water-air interface vehicle suitable for concealed navigation. A gybing box is arranged in a hull and includes a gybing motor, a gear train, a worm wheel and worm mechanism and a base; the worm wheel and worm mechanism is connected with a shaft of the gybing motor by the gear train; the base is connected with the worm wheel and worm mechanism; the transformable sail is fixed to the base; the gybing box is connected with a reefing mechanism; the gybing box operates the transformable sail in a set attack angle range or rotates 90 degrees under the action of the reefing mechanism according to a signal sent by a control system.

The invention discloses a ship air sail navigation aiding energy efficiency dynamic optimization method and system and a ship, and relates to the technical field of ship energy conservation. Dynamic parameters in the ship navigation process are collected in real time; establishing a dynamic coupling model; the coupling model is utilized to quantify the dynamic interference of the hull attitude parameters on the air sail state parameters into attack angle offset; a reinforcement learning algorithm is adopted to simulate the attack angle offset, and the optimal attack angle of the air sail is obtained; according to the optimal attack angle and the environmental parameters, target adjustment parameters of the air sail are calculated; and driving the air sail to adjust the sail body rotation angle and the sail surface inclination angle in real time according to the target adjustment parameters. According to the method, the air sails always work in the efficient interval with the maximum lift coefficient and the minimum resistance coefficient, the pneumatic interference model is introduced, the total auxiliary thrust of the multiple sails is improved, the problem that the energy-saving effect is reduced due to dynamic deviation of the attack angle is effectively solved, and the situation that the fuel consumption of a main engine is reduced is stably achieved.

The invention belongs to the technical field of ship and ocean structure design, and discloses a rotary cylinder boosting system which comprises an inner tower, an outer tower and a supporting assembly, the outer tower is arranged on the outer side of the inner tower in a sleeving mode and can rotate relative to the inner tower, the supporting assembly is located between the outer side of the inner tower and the inner side of the outer tower, and one end of the supporting assembly is flexibly connected to the inner tower; when the outer tower shakes relative to the inner tower, the supporting assembly can prevent the outer tower and the inner tower from colliding with each other. Stable support is provided for the outer tower through the inner tower, and when the outer tower and the inner tower shake, collision between the outer tower and the inner tower can be effectively avoided under the action of the supporting assembly, so that the overall strength of the rotary cylinder boosting system is improved, and the service life of the rotary cylinder boosting system is prolonged. The application of various load external forces such as wind power, inertia force, deck waves and the like in the sailing process can be effectively resisted, and the stability and the safety of the device are correspondingly improved.

The invention discloses a wind-light wave hybrid drive unmanned ship which comprises a ship body, a sail propelling device, a propeller propelling device, a wave drive device, a solar power supply system and a control module. A solar panel is installed on the ship body and can convert solar energy into electric energy to be stored in a battery. The sail propelling device provides main propelling force for the unmanned ship by means of wind energy; the wave driving device generates propulsive force by utilizing wave energy and has a course control function; the propeller propelling device serves as auxiliary power and provides thrust under specific working conditions. The control module intelligently regulates and controls the working modes of the propelling devices according to the sea condition information based on a reinforcement learning energy management algorithm, and multi-energy cooperative driving is achieved; the unmanned ship solves the problems of single energy dependence, insufficient navigational speed and maneuverability and tedious deployment and recovery of the existing unmanned ship, has the advantages of long endurance, high maneuverability, environmental protection and easy operation, and is suitable for various tasks of ocean observation, scientific research monitoring and military reconnaissance.

A sail assembly (10) for a vessel comprises a plurality of rigid sail sections (10A,10B,10C) with at least one bottom section (10A) and one top section (10A), which are aligned and coupled together along a vertical axis (Z-Z) so as to vary their relative position between a lowered configuration for forming a sail pack and an extended configuration in the vertical direction, where the sail sections are rigidly connected along the vertical axis so as to form a single sail body. A first actuator device (20) moves the bottom section (10a) in both senses of the vertical direction (Z-Z) for extraction / insertion thereof from / into a containment space (2) and a second actuator (30) moves the other sail sections (10A,10B,10C) in both senses of the vertical direction (Z-Z) so as to switch between the lowered configuration and the extended configuration.

The utility model discloses a sail base and an oil tanker and belongs to the technical field of ships, and the sail base comprises a base body, a fixing structure and a reinforcing structure. The base body is arranged on the deck, the base body comprises multiple sections of base bodies which are integrally formed, the multiple sections of base bodies jointly define a containing space with an opening in the top, the sail equipment is placed in the containing space, and at least one receding opening is formed in the side wall of the containing space so that the sail equipment can operate normally; the fixing structure is arranged on the base body, detachably connected with the sail equipment and used for fixing the sail equipment; the reinforcing structure is arranged on the base body and connected with the deck. The oil tanker comprises a tanker body, the sail equipment and the sail base. Formation of the containing space meets the strength requirement, and meanwhile normal work and laying or recycling of the sail equipment are guaranteed. In addition, the base main body and the deck are connected and reinforced on the upper deck, so that reinforced transformation under the deck is not needed, and the structure of the deck is not changed.