40results about "Propulsion based emission reduction" patented technology

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

A hybrid power module for ship propulsion relates to the field of marine power technology. To address the problems of existing ship propulsion modules, which often employ electric motors, traditional heat engines, and parallel gearboxes for propulsion, resulting in large, complex systems with low space utilization and poor operational stability, this invention utilizes a highly integrated parallel reduction gearbox, a flexible coupling, and an electric motor. This achieves high power density and reduces the size by half compared to existing ship propulsion modules, improving hull space utilization. Furthermore, it can directly drive the propeller shaft without external power. With increased power, a diesel engine or gas turbine can be introduced to drive the propeller shaft in parallel with this module. The forward and reverse rotation of the propeller shaft can be achieved by engaging or disengaging forward and reverse clutches. This module enables operation and switching of six different main engine modes, providing high redundancy in the power system and ensuring operational stability. It has a wide range of applications. This invention is applicable to ships.

The present application relates to the field of ship power technology, in particular to a rigid jet sail ship wind propulsion system, comprising a rotating base, a cylinder tower, an aerodynamic function module and a driving and control unit. The aerodynamic function module is the core, containing a wing body and a tail wing, the wing body is fixed to the cylinder tower and reserves an air duct, integrates a fan, and the rear jet port is communicated with the air duct; the tail wing realizes stable rotation through a swing arm shaft, a mounting seat and a spherical fixing seat. The driving and control unit cooperates with a wind direction sensor to accurately control each component. The system can effectively delay the airflow separation of the wing surface, improve the wind energy utilization efficiency, realize the reduction of ship fuel and carbon emissions, and is much better than the traditional technology, and has high structural rigidity, strong fatigue resistance, can lock the tail wing attitude, stable operation, significantly prolongs the service life, and adapts to the energy-saving propulsion needs of various ships.

This utility model belongs to the field of amphibious unmanned surface vessels (USVs), specifically relating to a folding airfoil sail amphibious USV. It includes a base, with a hydraulic telescopic rod at the upper end of the base, a mast at the upper end of the hydraulic telescopic rod, an upper sail on the upper outer side of the mast, a lower sail on the lower outer side of the mast, and a stepper motor at the upper end of the mast. This utility model features a unique folding mechanism, allowing the sail to be folded and stored when not in use. This not only improves the portability and storage efficiency of the equipment but also reduces wind and water resistance in adverse weather conditions or when underwater operations are required, lowering the risk of equipment damage. Using a symmetrical airfoil sail maintains good aerodynamic performance under different wind directions and angles, providing stable and continuous aerodynamic propulsion. This design not only improves wind energy utilization efficiency but also enhances the USV's adaptability to complex and changing environmental conditions.

Provided are a control system (100) and a ship (1) which can easily switch a navigation mode. The control system (100) controls a ship (1). As a navigation mode of the ship (1), the control system (100) includes an engine-powered driving mode in which the ship (1) is propelled only by a propulsor (12), an engine / sail-powered driving mode in which the ship (1) is propelled by the propulsor (12) and a wind power propulsion unit (10), and a sail-powered driving mode in which the ship (1) is propelled by the wind power propulsion unit (10). In contrast, the control system (100) automatically switches among the engine-powered driving mode, the engine / sail-powered driving mode, and the sail-powered driving mode. Therefore, regardless of the skills of the crews, the control system (100) can automatically switch the navigation mode at a proper timing or with a proper operation. According to the above-described configuration, the navigation mode can be easily switched.

The present invention relates to a wind propulsion system and a ship having the same, the wind propulsion system of the present invention including: a stator provided vertically on a deck; a rotor configured in a cylindrical shape surrounding an outer side of the stator; a driving portion transmitting rotational power to the rotor through a disc connected to the rotor; and a lower bearing portion provided at a lower portion of the rotor to restrain lateral movement of the rotor, the lower bearing portion including: a joint portion composed of an assembly of bearing units, at least a portion of which is provided along an edge of a window provided at a predetermined interval from a position where the bearing units are provided on an inner side of the stator, to support a guide bearing that guides rotation of the rotor to the stator.

This utility model discloses a wind-driven surface vehicle based on a jellyfish-inspired biomimetic design, comprising a float, a sail, an elastic diaphragm, stabilizing blades, an inflatable assembly, solar photovoltaic panels, and a controller. The float is an elliptical plate with an internal cavity. Multiple stabilizing blades are regularly arranged around the float. The surface of the sail is arranged at a relative angle to the long axis of the float. There are two sets of solar photovoltaic panels, arranged on both sides of the sail and electrically connected to the battery module inside the float. The elastic diaphragm covers the bottom of the float, forming an inflatable air chamber between the diaphragm and the bottom surface of the float. This surface vehicle can navigate in natural wind conditions without external power input, exhibiting good navigation stability and long endurance. It is particularly suitable for long-term drift monitoring of the ocean surface, support for distributed sensor network nodes, and surface micro-energy harvesting platforms.

The utility model relates to the field of ship side outboard motor, concretely is a novel ship side outboard casing, the upper end fixed mounting of casing left side is equipped with the instrument, the upper end fixed mounting of casing inner chamber is equipped with the engine, the output end of engine is fixedly connected with engine input gear through the pivot, the lower extreme of casing is provided with the gearbox, the left end of gearbox inner chamber is provided with engine output gear. The utility model possesses pure electric, pure engine and hybrid power three modes, can be accurate switching through the controller according to different working condition demand, with the gear drive structure of careful design, the power of engine and motor realizes smooth coupling in the gearbox, reduces the fluctuation and impact in power transmission process, makes the boat operation more stable, provides more comfortable riding experience for the passenger, also is favorable to improving the service life of on -board equipment.

A method for adaptive dynamic positioning of a vessel during offshore charging from a power station, actively assisted by a cable management system, the method comprising the steps of: (i) establishing a control link between said cable management system, configured to control at least one characteristic parameter of a charging cable connected between the power station and the vessel, and a positioning control system, configured to control a propulsion system of the vessel so as to move the vessel relative to the power station; (ii) defining, relative to the power station and based on said at least one characteristic parameter of said charging cable, a first target zone, adapted to effect vessel movement (response) of a first type, and at least one second target zone containing said first target zone, adapted to effect vessel movement of at least one second type; (iii) monitoring any one of said at least one characteristic parameter of said charging cable, at least one performance parameter of said propulsion system, a vessel position and / or a vessel heading) relative to the power station, and at least one environmental parameter; (iv) selectively modifying said first target zone and / or said at least one second target zone in response to a predetermined change of any one of said at least one characteristic parameter of said charging cable, at least one performance parameter of said propulsion system, said vessel position relative to the power station, and said at least one environmental parameter; (v) controlling said positioning control system and said cable management system, so as to maintain the vessel within or move the vessel back towards said first target zone in accordance with said vessel movement of a first type and said vessel movement of a second type, respectively.

The present invention relates to a gas treatment system and a ship including same, the gas treatment system comprising: a first fuel supply line for supplying fuel to a main engine; a second fuel supply line which is branched from the first fuel supply line to supply fuel to an auxiliary engine; a heat exchanger which is provided in the first fuel supply line to heat fuel; and a coolant circulation line of the main engine, the circulation line being provided to supply a heat source to the heat exchanger, wherein the coolant circulation line is separably provided into a first coolant circulation line that circulates through the heat exchanger and a second coolant circulation line that circulates through the main engine.

The present application relates to the water surface unmanned ship hybrid power series propulsion system and switching control method, the propulsion system includes propulsion device and propulsion monitoring system, the propulsion device adopts series arrangement to realize transmission connection, including diesel engine, gear box, motor, thrust bearing, shafting and propeller which are arranged in the order from bow to stern; the propulsion monitoring system includes central monitoring station, control box, power management system. The propulsion system makes the unmanned ship meet the high and low speed requirements, realizes the diesel engine as the power source propulsion in high speed working condition, and realizes the motor as the power source propulsion in low speed working condition, which meets the requirement of long time low speed sailing; the propulsion monitoring system automatically controls the diesel engine, propulsion motor and gear box, realizes the switching of propulsion mode, simplifies the complexity of remote control console control, avoids the adverse effect of communication delay on propulsion mode switching, and improves the efficiency of unmanned ship propulsion mode state switching.

An ammonia abatement system includes: a gas flow line through which an ammonia-containing gas flows; a first dilution section that causes ammonia contained in the ammonia-containing gas that is supplied from the gas flow line to be absorbed into a first absorbing liquid in a pressurized state; a first sending line through which a gas in a gas phase in the first dilution section is capable of being sent to an outside of the first dilution section as a primary treated gas; a second dilution section that causes ammonia contained in the primary treated gas that is supplied through the first sending line to be absorbed into a second absorbing liquid under a pressure lower than a pressure in the first dilution section; and an adjustment valve that is provided in the first sending line and adjusts supply of the primary treated gas from the first dilution section to the second dilution section.

The present invention provides a control system and a vessel that can easily switch between navigation modes. [Solution] The control system 100 is a control system 100 for controlling the ship 1, and the ship 1 has three navigation modes: an engine-driven mode in which it is propelled only by the propeller 12, an engine-sail mode in which it is propelled by the propeller 12 and the wind-powered propulsion unit 10, and a sail mode in which it is propelled only by the wind-powered propulsion unit 10. The control system 100 automatically switches between the engine-driven mode, the engine-sail mode, and the sail mode. Therefore, regardless of the skill of the crew, the control system 100 can automatically switch the navigation mode at the appropriate timing and operation. As a result, the navigation mode can be easily switched.

The present invention relates to a nuclear-powered ship with improved stability, the ship comprising: a nuclear reactor, disposed inside a hull, for generating steam from thermal energy produced during the nuclear fission process; a turbine installed in the hull and connected to the nuclear reactor, and rotating from the collision and reaction forces of colliding steam; and a rotor disposed inside the hull and rotating about a spin shaft, a gimbal rotatably supporting the spin shaft, and a gyroscopic stabilizer preventing the ship from tilting by means of precessional motion of a frame that rotatably supports the gimbal, wherein the turbine is mounted on the spin shaft of the gyroscopic stabilizer to transmit rotational force thereto, and the gyroscopic stabilizer comprises a generator mounted on the spin shaft, power being generated by the generator activated by the rotation of the spin shaft and rotor by the turbine.

A ship comprising accommodation facilities having a first power demand, a propulsion system having a second power demand, and a power plant comprising: * a first high-temperature fuel cell unit having a first rated power corresponding to the first power demand, * a second high-temperature fuel cell unit having a second rated power corresponding to the second power demand, * a primary heating / cooling circuit comprising a non-reacting heating / cooling fluid and a flow control means controlling flow thereof, * a controller adapted to control reactant supply to the first fuel cell unit, reactant supply to the second fuel cell unit and to control the flow control means, wherein the controller is adapted to operate the power plant in a first operating mode in which the first fuel cell unit is operated at the first rated power, no reactants are supplied to the second fuel cell unit and the primary heating / cooling circuit transfers heat from the first fuel cell unit to the second fuel cell unit.

A mooring wing towing system includes: a towing wing (5), a base platform (3), a mooring mast (4), multiple folding ropes (10A, 10B, 10C), a winding rope (13), a mooring support (12B), a folding support (12C, 12D, 12E), a winding support (12A), and a control module (64). The control module (64) has at least two operating modes: a folding mode, wherein the mooring support (12B) and the folding support (12C, 12D, 12E) are spaced apart from each other; and a winding mode, wherein the winding support (12A) and the mooring support (12B) are spaced apart from each other.

The invention relates to a fuel tank arrangement in a liquid hydrogen fuel supply system (1) for storing and providing hydrogen for a gas consumer (8), the system comprising: - an inlet line (11) for providing fuel to a tank (10), - the inlet line (11) having a first valve (111) at a first end and a second valve (112) at a tank end, - the inlet line (11) being provided with an inert gas flushing medium line (13) having a first end connected to the inlet line (11) downstream of the first valve (111) and a second end controllably connected to an inert gas source (130) for inert gas flushing of the inlet line (11), - the inlet line (11) being provided with a fuel gas flushing medium line (14) having a first end controllably connected to the inlet line (11) downstream of the first valve (111) and a second end connected to a gaseous hydrogen source (15) for feeding gaseous hydrogen to the inlet line (11) for performing a first flushing of the inlet line (11). The invention also relates to a method using the arrangement.

This utility model belongs to the field of rotary rotor sail systems, specifically relating to a new energy unmanned surface vessel (USV) rotary rotor sail system. It includes a hull, on which a rotating cylinder is mounted. The rotating cylinder includes a cylinder wall, and a cylinder bottom is fixedly installed inside the deck of the hull. The cylinder bottom has a cylinder wall, and a cylinder cover is provided at the upper end of the cylinder wall. A cylinder shaft is installed inside the rotating cylinder, and the cylinder shaft includes a fixed support column. A fixed support column is fixedly connected to the upper end of the cylinder bottom, and a second support shaft is provided at the upper end of the fixed support column. This utility model optimizes the propulsion system based on the unmanned surface vessel and analyzes the aerodynamic characteristics of the rotary sail. The designed rotary sail, with its drive motor installed inside the rotary sail, can better transmit power, greatly optimizing the usable space of the rotary sail on the vessel and achieving efficient, stable, and environmentally friendly navigation.

A telescopic profiled wing system, for propelling a vehicle by the wind, the profiled wing system including a mast, and a set of telescopic segments, cooperating with one another during guidance. The telescopic segments form a profiled wing at least in a deployed position in which the various telescopic segments extend, with respect to one another, in the direction of the mast by forming the profiled wing, the profiled wing having a first wing surface and a second wing surface distributed on either side of the mast, the system switches from the deployed position to a retracted position in which the various segments are telescoped into one another, the profiled wing then in a position that takes up less space with respect to the deployed position.

Further improve the efficiency of ammonia removal. [Solution] The ammonia removal system comprises a gas flow line through which ammonia-containing gas flows, a first dilution unit that absorbs ammonia contained in the ammonia-containing gas supplied from the gas flow line into a first absorbent liquid under pressurized conditions, a first discharge line that can discharge the gas in the gas phase within the first dilution unit as a primary treatment gas to the outside of the first dilution unit, and a control valve provided in the first discharge line that adjusts the supply of the primary treatment gas from the first dilution unit to the outside of the first dilution unit.

System for controlling a marine vessel comprising a number of devices, the devices including a number of Solid Oxide Fuel Cells (SOFC), the system including at least one processor calculating device score values of the devices, the system also including a control unit connected to said devices and being configured to calculate an efficiency score value based on said device score values, the efficiency score value defining the efficiency of the system The system also is configured to calculate the capacity of the system based on the status of the devices, and to calculate a capacity margin index indicating the capacity of the system devices, according to predetermined scores for each operation mode and computing the efficiency and capacity values, the status of the fuel cells including a health indicator index.

A propulsion system (TWIN1) for a moving vessel (SHIP1) includes: - a controllable pitch propeller (PRO1) driven by an engine (ENG1), - a left rudder (R1), - a right rudder (R2), and - a control system (CSYS1), wherein the left rudder (R1) has a first axis of rotation (AX1) and a first trailing edge (TE1), wherein the right rudder (R2) has a second axis of rotation (AX2) and a second trailing edge (TE2), wherein the distance (w) between the trailing edges (TE1, TE2) can be adjusted by changing the difference (1-2) between the rudder angle (1) of the left rudder (R1) and the rudder angle (2) of the right rudder (R2). G The propulsion system (TWIN1) has a first operating mode (MODE1), in which the speed (v) of the ship (SHIP1) is changed. S This includes changing the shaft power (P) of the propeller (PRO1). S The propulsion system (TWIN1) has a second operating mode (MODE2), wherein the control system (SYS1) is arranged to change the speed (v) of the ship (SHIP1) by changing the difference (1-2) between the rudder angle (1) of the left rudder (R1) and the rudder angle (2) of the right rudder (R2). S ), wherein the control system (SYS1) is arranged to change the pitch angle of the propeller (PRO1) P ), so that the speed (v) of the ship (SHIP1) can be changed by altering the difference (1-2) between the rudder angles (1, 2). S In the case of ), the shaft power (P) S It remains essentially equal to the first power value (P1).

The application discloses an intelligent ocean current floating body utilizing wave energy, which is composed of 3D resin printing, acrylic, metal parts and necessary elements; the water "hull" part follows the trend of ocean current and moves up and down with waves to drive the underwater "butterfly wing" to move; the underwater "butterfly wing" part is divided into two states of freedom and one-side locking; when in the state of freedom, the underwater "butterfly wing" part moves up and down with waves to form forward power; when in the state of one-side locking, the underwater "butterfly wing" part moves up and down with waves to turn; a navigation and control module is placed in the sealed cabin of the "hull" to obtain the floating body pose information, control the state switching of the "butterfly wing" and realize the floating forward of the ocean current floating body along the expected route; the application can utilize the trend of ocean current to float without power, and can utilize wave energy to control the forward and turning of the application through the controllable underwater "butterfly wing" structure; the application is suitable for application environments such as ocean environment monitoring and realizes the remote control or autonomous operation with no power, low energy consumption and long navigation time.

The application discloses an inland river ship hybrid power system, a remote control system and a control method. The remote control system comprises a mode control module, the mode control module is used to send a mode instruction to control the working mode of the hybrid power system; the working mode comprises a main engine mode, a power input mode, a power output mode and a power return mode; and a main propulsion control module, the main propulsion control module is used to control operation according to the mode instruction. In this way, the mode instruction is sent by the hybrid control module, so that the main propulsion control module controls the hybrid power system to perform specific mode switching operation according to the mode instruction, and the problem of slow system response speed and inflexible mode switching of the existing control system is solved. The control method solves the problem of slow system response speed and inflexible mode switching of the existing control system by effectively controlling the control logic of the mode switching operation, the switching completion operation and the emergency operation.

The present invention relates to a method for cooling fuel for a ship. [Solution] A method comprising the steps of: taking a fuel flow BS from the liquid phase of fuel B contained in the fuel tank, a ship having at least one fuel tank 12 and one liquefied gas storage tank 14; guiding the fuel flow to a cooling unit; cooling the liquid fuel flow in the cooling unit 20, wherein the fuel flow in the cooling unit is cooled by a BOG flow that is released from the liquefied gas storage tank, reliquefied, and passes through the cooling unit; and returning the cooled fuel flow to the fuel tank.

The Magnus rotor, associated assemblies, and mechanisms are provided. [Solution] A Magnus rotor comprising: a rotor rotatable about a rotor axis and having an outer surface defining a rotor diameter, wherein the rotor has an internal running surface defining a running surface diameter of 80% or less of the rotor diameter; a support structure configured to rotatably support the rotor; and a plurality of wheels, each rotatably mounted on the support structure so as to rotate about its own wheel axis extending substantially parallel to the rotor axis, and the wheels are positioned so as to roll against the internal running surface as the rotor rotates about the support structure. The disclosure further relates to wheel assemblies, drive assemblies, biasing assemblies, and gimbal wheel mechanisms for Magnus rotors.

The lift-generating system (101) includes a wing (1) having at least one suction opening (12) designed to establish a connection between the exterior of the wing and the interior (102) of the wing (1); and a suction device, a support (4) on which the wing (1) is mounted so as to be able to pivot about an axis substantially parallel to the axis (A1). The suction device includes a fan (3) located outside the wing (1) and fluidically connected to the interior (102) of the wing (1) so as to draw air through the at least one suction opening (12) of the wing, and discharge the drawn-in air through an outlet of the fan (3). The fan (3) includes an impeller (30) surrounded by a shroud (31) which defines, around the impeller, a duct that serves to guide the air discharged by the impeller, and a motor for rotating the impeller (30) about an axis substantially parallel to the axis (A1) of the wing. The shroud (31) of the fan (3) has an outlet (32) of which the axis (A32) is substantially orthogonal to the axis (A30) of the impeller (30) of the fan. The lift-generating system can be provided for a boat.

A cold heat recovery system includes a first heat exchanger that transfers cold energy from liquefied gas to a cold heat medium, a cold heat recovery cycle that includes a cold heat pump provided on a downstream side of the first heat exchanger, a second heat exchanger that transfers heat energy from a heat carrier to the cold heat medium flowing between the cold heat pump and the first heat exchanger, a gas-liquid separator that is provided between the first heat exchanger and the cold heat pump and separates the cold heat medium into a gas phase and a liquid phase, a liquid return line for returning the liquid phase cold heat medium from between the cold heat pump and the second heat exchanger to the gas-liquid separator, and a third heat exchanger that transfers cold energy of the liquefied gas to the liquid phase cold heat medium returned to the gas-liquid separator via the liquid return line or the cold heat medium present inside the gas-liquid separator.

A method for controlling a wind propulsion device arranged on a vessel includes providing pressure information from a first pressure sensor arranged on a surface of the wind propulsion device, estimating pressure distribution on the surface of the wind propulsion device based on the pressure information from the first pressure sensor, providing angular position information of wind propulsion device, estimating apparent wind angle based on the angular position information of wind propulsion device and the estimated pressure distribution on the surface of the wind propulsion device, using the estimated apparent wind angle for determining initial approximation for control parameters, and using the estimated pressure distribution as a feedback in closed-loop control method to optimise the control parameters of the wind propulsion device.

A Magnus rotor 100 comprises a rotor 101 rotatable about a rotor axis 101a and having an external surface 101b defining a rotor diameter (DROTOR, Fig 1(b)). The rotor has an internal running surface 1