546results about "Wind acting propulsive elements" patented technology

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.

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 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 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.

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 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.

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.

To provide a vessel capable of improving propulsion performance of each method when a hull is propelled by a wind power propulsion unit and when the hull is propelled by a propeller.SOLUTION: A vessel 1 comprises: a propeller 12 that generates thrust for a hull 11; and a wind power propulsion unit 10 that propels the hull 11 by means of wind power. Thus, the vessel 1 can propel the hull 11 by the wind power propulsion unit 10 when wind is strong, and propel the hull 11 by the propeller 12 when wind is weak. The hull 11 is propelled toward a bow during machine traveling where the hull 11 is propelled by the propeller 12, and the hull 11 is propelled toward a stern during sailing where the hull 11 is propelled by the wind power propulsion unit 10. In this case, the vessel 1 can be structured so as to suit the machine traveling for propulsion of the vessel 1 toward the bow. The vessel 1 can be structured so as to suit the sailing for propulsion of the vessel 1 toward the stern.SELECTED DRAWING: Figure 3

The present invention relates to a method for controlling the incidence angle (A1) of an aerofoil (100) of a wind-assisted propulsion system (1), the method comprising the steps of: measuring a parameter representative of the separation state of an airflow (F1) incident on the aerofoil (100) as a function of the incidence angle (A1) of the aerofoil (100), determining an incidence angle value (A1D_t2) of the aerofoil (100) corresponding to a stall; determining a safety incidence angle value (A1SD1_t2) of the aerofoil that is lower than the stall angle value as a function of the stall angle value (A1D_t2); and controlling the orientation of the aerofoil at an incidence angle set value equal to the safety incidence angle value (A1SD1_t2). The present invention also relates to a system and a corresponding vessel.

The invention discloses a sail device and a ship, and relates to the technical field of ships. The sail device comprises a fixed base, a plurality of sub-sail assemblies and an opening and closing driving assembly. The plurality of sub-sail assemblies are circumferentially distributed on the fixed base, and any one of the sub-sail assemblies is arranged in an openable manner; the opening and closing driving assembly is arranged on the fixed base, is in transmission connection with the multiple sub-sail assemblies and is used for driving the multiple sub-sail assemblies to be opened or closed; wherein each sub-sail assembly is provided with a split sail surface, and the split sail surfaces can be spliced to form a complete sail surface when the sub-sail assemblies are opened at the same time. Based on the technical scheme disclosed by the invention, the sail can be quickly retracted and released, time and labor are saved, the sail retracting and releasing convenience can be greatly improved, and the risk caused by untimely retracting and releasing of the sail of the ship can be reduced, so that the sailing safety of the ship is improved.

The utility model relates to a rotary air duct combined with a ventilation mast on a liquefied gas carrier, which comprises a base, a support shaft arranged on the base and an air duct mounted outside the support shaft, the support shaft is connected with the air duct through a bearing, and the support shaft is further provided with a driving device which is in transmission connection with the air duct and is used for driving the air duct to rotate relative to the support shaft; the base is arranged on a deck, and the ventilation mast upwards penetrates through the base and the supporting shaft from the lower portion of the deck and extends out of the upper portion of the supporting shaft. The rotary air duct combined with the ventilation mast on the liquefied gas carrier has the advantages that the rotary air duct and the ventilation mast are combined, the rotary air duct and the ventilation mast are arranged in one space at the same time, and the problem that the space for arranging the rotary air duct is limited due to the fact that a large number of devices are arranged on a deck is solved.

A sail propulsion system comprises, in combination: a base (300), two streamlined aerodynamic flaps (100, 200), each symmetrical with respect to a longitudinal plane and having a leading edge and a trailing edge, and extending vertically from the base, two pivoting flap links on the base, defining pivot axes (A1, A2) parallel to a main axis (A3), a common pivoting link, around the main axis, between the base and a ship structure, the pivot axes of the flaps and the pivot axis of the base being contained in the same vertical plane, a 360° motorized orientation control, capable of bringing the base and flaps into one of the following configurations: - a working configuration where the flaps have initial orientations that are close but different,with leading edges (BA) oriented in a first direction and a gap between the trailing edge (BF) of one flap and the leading edge (BA) of the second flap, - a safety configuration where both flaps are oriented in the same direction, - a space-limiting configuration where the two flaps extend head-to-tail against each other. (Fig. 5),

The present application belongs to the technical field of unmanned sailboat, and particularly relates to a rigid wing sail self-balancing turning sail system of unmanned sailboat, which comprises a main sail skeleton, a main sail shell, a turning sail control box, a tail wing connecting rod assembly, a tail wing main body, a steering engine and a tail wing rope driving assembly. The driving end of the steering engine is controlled to move, and the tail wing main body is driven to rotate through the tail wing rope driving assembly, so as to adjust the deflection angle of the tail wing main body relative to the main sail as a whole, adjust the included angle (attack angle) between the main sail as a whole and the wind, and make the main sail as a whole reach a predetermined attack angle and keep a stable balance state. The mast of the main sail as a whole can rotate freely around the unmanned sailboat body, realizes the rotation decoupling of the rigid wing sail and the ship body, the bow shaking movement of the unmanned sailboat does not affect the attack angle of the rigid wing sail, the tail wing can be regarded as the air rudder of the main sail by adjusting the attack angle of the main sail through the tail wing, and the method makes the main sail attack angle adjustment more efficient and rapid, and reduces the adjustment power consumption.

The present invention relates to a ship propulsion system wherein, when a change in the output of a main engine occurs or is expected, a controller variably controls the power withdrawal force of a shaft generator in a direction in which the change in the output of the main engine is counterbalanced, thereby maintaining the output of the main engine to be smooth, and the main engine's fuel efficiency and power supply stability engine can thus be improved.

To provide a ship and sail structure that reduce costs and allow for easy installation of sails. [Solution] In the vessel 1, the soft sail 40 is installed using existing column members 30 located on the upper deck 19. That is, the soft sail 40 can be installed using the existing column members 30 on the vessel 1 without having to add large sails such as rotor sails or dedicated sail-supporting members such as masts to the vessel 1. Therefore, the cost required to install the sail can be significantly reduced. In addition, by effectively utilizing the existing column members 30, the soft sail 40 can be easily installed. As a result, the position and orientation of the soft sail 40 can be easily changed by effectively utilizing the existing column members 30. Thus, costs can be suppressed and sails can be easily installed.

A lock apparatus is provided for releasably securing a load, such as a sail, to a supporting structure, such as a mast while the load applies force in a load direction. The lock apparatus comprises a lock member attached or attachable to the load and a lock assembly for attachment to the supporting structure. The lock assembly comprises at least one locking element configured to move between a locked position in which the locking element blocks movement of the lock member in the load direction, and an unlocked position, an actuator, and a releasable coupling for coupling the actuator to the lock member. The coupling is arranged to couple the actuator to the lock member upon movement of the lock member towards the actuator in an insertion direction, opposite to the load direction. Subsequent movement of the lock member in the load direction first carries the actuator in the load direction to move the locking element towards the locked position, then causes the coupling to decouple the actuator from the lock member and brings the lock member into engagement with the locking element, thereby to keep the locking element in the locked position to block further movement of the lock member in the load direction. The apparatus is suitable for use as a halyard lock in a sailing vessel.

The application belongs to the field of unmanned sailboat manufacturing, in particular to a lightweight wing sail of an unmanned sailboat and a processing method thereof. The lightweight wing sail of the unmanned sailboat comprises a carbon fiber wing sail shell and a metal framework. The metal framework is arranged at the lower part of the inner cavity of the carbon fiber wing sail shell. The carbon fiber wing sail shell comprises a carbon fiber wing sail shell side piece A and a carbon fiber wing sail shell side piece B. A plurality of hand holes are arranged on the carbon fiber wing sail shell side piece B. The carbon fiber wing sail shell and the metal framework are arranged, and the metal framework is arranged at the lower part of the inner cavity of the carbon fiber wing sail shell. The upper part of the inner cavity of the carbon fiber wing sail shell can be supported by the structure of the carbon fiber wing sail shell itself. The metal framework does not need to penetrate from top to bottom in the carbon fiber wing sail shell. The weight of the entire wing sail can be greatly reduced, the gravity center of the wing sail is lowered, the overall gravity center of the unmanned sailboat is lowered, the rolling stability and the anti-overturning ability of the unmanned sailboat are effectively ensured, and the installation structure is simple and easy to process.

The invention discloses a sailing wind energy rotary sail power intelligent control system. The system comprises a data monitoring unit, a sailing control data unit, a quantification controller and an adjustment execution unit. The data monitoring unit comprises a wind direction sensor, a wind speed sensor and a rotating speed sensor. Wind direction data during ship navigation can be collected in real time through the wind direction sensor, course data monitored by the navigation control data unit during ship navigation are combined and transmitted to the quantization controller to be processed and analyzed, the quantization controller sends out a control instruction while the optimal dip angle parameter is calculated, and the optimal dip angle parameter is calculated. The inclination angle actuator can adjust the rotary sail body to be at the angle with the highest wind energy capturing efficiency according to the control instruction; meanwhile, wind speed data during ship navigation can be collected in real time through a wind speed sensor, and the wind speed data are combined with navigational speed data monitored by a navigation control data unit and transmitted to a quantization controller to be processed and analyzed.