5920results about "Propulsion power plants" patented technology

To provide a system, a method, and an application for carbon recovery system for compact type vessel based on connection between methanol reforming and high-efficiency membrane separation.SOLUTION: Propulsive power is supplied to a vessel by using a methanol aqueous solution as a raw material through steps such as reforming, separation of a reformate product, and hydrogen combustion, hydrogen fuel is manufactured through methanol steam reforming, anxiety about safety of high pressure hydrogen storage in a prior art is eliminated, efficient carbon recovery is carried out by storing separated carbon dioxide by compression and liquefying, heat is supplied for methanol steam reforming and preheating of the fuel by using excess heat of discharged flue gas, and comprehensive use of energy is achieved. Use of hydrogen energy is realized by a vessel without requiring storage and transportation of hydrogen, and a shipping industry contributes to green, low carbon, and sustainable development.SELECTED DRAWING: Figure 1

The invention provides a data processing system for cooperative operation of an intelligent combined fleet, and relates to the technical field of data processing, and the system comprises an acquisition module which is used for acquiring basic state data of a ship; the prediction module is used for generating state trend data in combination with the historical motion trail and the near-time data sequence, and the state trend data comprises a speed change rate and a course angle change trend in a future short time period; the sensing fusion module is used for receiving the state trend data of other collaborative ships, aligning the state trend data with the state trend data of the ship, and performing synchronous calculation to generate fleet collaborative prediction data; the adjusting module is used for recognizing an included angle error between the current ship thrust applying direction and the future resultant force direction of the target structure and calculating the attitude adjusting amount; the control output module is used for mapping into a thrust adjusting instruction and sending an execution instruction to a power system of the ship; according to the invention, autonomy and accuracy of fleet collaborative operation are improved.

A sonar transducer mount and aiming system for attachment to an electric trolling motor, which includes a rotary actuator assembly and a rotating shaft. The rotary actuator assembly includes a housing that is secured to the electric trolling motor and a rotating coupler is rotationally driven. The rotating shaft is connected to and rotates with the rotating coupler and includes a sonar transducer mounting point. The rotating shaft of the sonar transducer mount and aiming system and the electric trolling motor shaft have a common axis of rotation and are configured to rotate independently from one another about the common axis of rotation.

An unmanned ocean vehicle apparatus having a hull, solar array, hydrofoil, and electric thruster is operable on a surface of a body of water to travel from one point to another with long range capabilities. The unmanned ocean vehicle can further be placed in a more compact configuration, incorporating a mechanism to alternate between operational mode and collapsed storage mode to facilitate physical storage or shipment of the vehicle. Methods are described for optimizing travel and determining favorable movements of the unmanned ocean vehicle by calculating current and predicted conditions at certain waypoints using a combination of a sensor, a computer, and a control system. The physical support of hydrofoils, a drag reducing system, capsize-prevention technique, and a three-dimensional arrangement of solar panels provides efficient power management, optimal route strategy, and sustainability of the vehicle's high speeds in wildly varying ocean conditions.

A system for maintaining a marine vessel in place in a body of water includes a controller in signal communication with a power-deployable anchor and a propulsion-based electronic anchoring system and a user input device in signal communication with the controller. The controller deploys the power-deployable anchor in response to a single user-selected option input via the user input device under a first set of conditions. The controller activates the propulsion-based electronic anchoring system in response to the single user-selected option input via the user input device under a different second set of conditions.

A marine propulsion system includes a first propulsion device that is steerable and located at a stern of a hull, a second propulsion device that is steerable and located in front of the stern, a controller configured or programmed to include an obtaining unit to obtain information about a propulsion force of the first propulsion device in forward and backward directions, and information about a propulsion force of the second propulsion device, a determination unit to determine whether to cause the first propulsion device during a lateral motion of the hull to generate a propulsion force in a direction in a first range including a component in the forward direction, or to generate a propulsion force in a direction in a second range including a component in the backward direction based on the obtained information, and a storage to store a content determined by the determination unit.

The invention relates to the technical field of ship control, and particularly provides an energy optimization method and device for a pure electric tug, a storage medium and a control system. According to the method, the operation navigation data, collected in real time, of the pure electric tug can be input into the pre-constructed operation classification model, and the real-time operation state is obtained. If the real-time operation state of the pure electric tug is a heavy load dragging state, determining the current propulsion power demand and the total power demand of a propulsion system in the pure electric tug, and inputting the operation navigation data, the current propulsion power demand and the total power demand into a pre-constructed power distribution model, and performing power distribution according to a power distribution coefficient output by the model. Therefore, the power distribution response can be quickly and accurately made based on the intelligent power distribution model, and the intelligent ship is realized. Moreover, electric energy supply of the propulsion system can be guaranteed preferentially, so that sufficient power supply of the propulsion system can be guaranteed, and the operation efficiency of the pure electric tug can be improved.

Swivel mounts, mounting assemblies for boating accessories, and boats having such are disclosed. The swivel mounts include a support member, a mounting member, and a swivel element for enabling the mounting member to swivel relative to the support member. In some cases, a trolling motor mount bracket and / or a trolling motor may be coupled to the swivel mount. In further embodiments, the swivel mount may be coupled to a surface of a boat, such as but not limited to a boat gunnel. In particular, a swivel mount may be configured and disposed above an upward facing surface of the gunnel such that a mounting member of the swivel mount is able to swivel about an axis that is perpendicular to and passes through the upward facing surface of the gunnel. Mounting members having a hole pattern to accommodate different types of trolling motors is also provided.

In one aspect, a wireless remote controller for a personal watercraft is provided that includes a watertight body and a rotatable thumbwheel disposed on an upper surface of the watertight body. The remote controller includes at least one magnet affixed to the thumbwheel such that the at least one magnet rotates with the thumbwheel. The remote controller includes a magnetic sensor configured to produce magnetic field data in at least two axes. The remote controller includes a processor operably coupled to the magnetic sensor and communication circuitry configured to communicate control signals to an associated personal watercraft. The processor is configured to determine an angular position of the thumbwheel based at least in part on the magnetic field data in each of the at least two axes and to generate a control signal based at least in part on the determined position of the thumbwheel.

A method for powering at least one Power Electronics Controller included in a first EV. The method including step of:i) supplying electrical energy from a Powered Watercraft EV's battery pack to the first EV's at least one Power Electronics Controller.

Disclosed is a propeller, including a main driving device. Foldable blades and a fixed propeller are detachably connected to a projecting shaft of a driving motor. When the foldable blades are arranged, the propeller can be used as a hydrofoil board booster, and be clamped to a vertical rod of the hydrofoil board. When a fixed propeller is surrounded by a water flow culvert pipe provided with water inlet grooves, the propeller can be handheld with a handheld bracket or worn to advance and play underwater. Further, the propeller can be used as a guiding device for a diving apparatus. In combination with a gas cylinder and an airbag, the propeller can also be used as a scuba gear. Together with movable and fixed hydrofoil boards, the propeller can also be used as a gliding apparatus for diving.

The invention belongs to the technical field of deep-sea mining environment assessment, and particularly relates to an autonomous multi-mode mining plume and redeposition thickness monitoring system and method, and the system comprises an autonomous underwater unmanned submersible and detection load equipment connected with the autonomous underwater unmanned submersible. The autonomous underwater unmanned submersible is used for carrying detection load equipment, providing electric energy for the detection load equipment, sending a control instruction to the detection load equipment, preprocessing received data returned by the detection load equipment, and sending an equipment state to the mother ship in real time, so that the mother ship can monitor the autonomous underwater unmanned submersible in real time; the detection load equipment is used for synchronously carrying out deep sea near-bottom mining plume and redeposition thickness monitoring in three detection modes of acoustics, optics and hydrology, carrying out multi-category data comparison and fusion in the same time coordinate system, and sending the collected data to the autonomous underwater unmanned submersible; and data support is provided for later deep-sea mining plume and redeposition simulation modeling.

The invention discloses a maneuvering fish searching platform system and a maneuvering fishing method.The maneuvering fish searching platform system is characterized in that one or more of a marching power assembly, a fish luring device and a fish searching device are detachably integrated on a buoyancy body assembly, the buoyancy body assembly can correspondingly march on water, and meanwhile when the fish searching device detects that a fish school appears within a preset distance, the buoyancy body assembly is driven to move back and forth; the fish luring device starts a fish luring working condition, so that a fish school is close to the fish luring device and correspondingly gathers, and the functions of flexibly and visually searching and luring the fish are realized, so that the device has the characteristics of flexibly and efficiently searching and luring the fish by adding the maneuvering function, conditions are provided for follow-up net fishing or rod fishing, and the fish luring efficiency is improved. And through the method, multiple persons can participate in fish searching and fish luring activities, so that the characteristic of enjoying fishing fun is achieved, the interestingness of the activity process is increased, and the method has a better application prospect and a higher popularization value.

The invention relates to the technical field of ship power, in particular to a dual-fuel ship fuel switching method and device and a storage medium, and the method comprises the steps that first engine performance data and engine state data corresponding to the first engine performance data are acquired; preprocessing the first engine performance data and the engine state data; the preprocessed first engine performance data are input into a target prediction control model for switching strategy prediction, and a fuel switching strategy corresponding to the engine is obtained; inputting the engine state data into the target fault prediction model for fault prediction to obtain a switching decision; a fuel switching strategy is sent to the control module according to the switching decision, so that the control module processes the fuel switching process according to the fuel switching strategy; and second engine performance data are received, and the fuel switching strategy is adjusted according to the second engine performance data. And seamless switching or cooperative use between liquefied natural gas and diesel oil of a ship can be met.

The jet system body has a first inlet conduit having: a first inlet end defining a first inlet opening; a first outlet end defining a first outlet opening; and a first lumen extending from the first inlet opening to the first outlet opening; a second inlet end defining a second inlet opening; a second outlet end defining a second outlet opening; and a second lumen extending from the second inlet opening to the second outlet opening; a manifold in fluid communication with the first outlet opening and the second outlet opening; and an outlet in fluid communication with the manifold and configured to receive an impeller for drawing fluid through the first and second inlet conduits, through the manifold and into the outlet. The first inlet conduit and the second inlet conduit extend from the manifold such that the first inlet end and the second inlet end are spaced apart.

Structural battery enclosures for electric watercraft are provided. An electric watercraft comprises a hull having a port side and a starboard side on opposite sides of a longitudinal central axis of the hull, an electric motor for propelling the electric watercraft, a battery operatively connected to drive the electric motor and a frame supporting the battery. The battery is disposed in the interior volume of the hull. The frame includes a port member attached to the port side of the hull and a starboard member attached to the starboard side of the hull. The frame includes a brace extending across the central axis of the hull and interconnecting the port member of the frame with the starboard member of the frame.

The invention provides a ship shaft power generation and lithium battery coordinated multi-working-condition energy optimization management system, which is applied to the technical field of ship power systems and energy management and comprises a data acquisition module, an energy optimization processing module and a power regulation and control module, wherein the energy optimization processing module is provided with a prediction unit, a working condition identification unit, a loss evaluation unit and a decision-making unit, the prediction unit is used for predicting a ship load demand in a preset period, the working condition identification unit is used for identifying a ship operation working condition, and the loss evaluation unit is used for determining a life loss factor by combining a prediction result and an energy storage unit state; the decision-making unit generates a regulation and control instruction based on the life loss factor and the state of the power generation unit to realize power distribution of the power generation unit and the energy storage unit; according to the system, multi-working-condition energy consumption requirements of the ship are met, meanwhile, comprehensive optimization of fuel consumption cost and energy storage unit service life loss cost is achieved, the energy utilization rate is increased, the service life of the energy storage unit is prolonged, and the full-life-cycle operation cost of the ship is reduced.

The utility model discloses a methanol storage cabin with isolated void cabins, which comprises a methanol fuel ship main body, a methanol storage cabin and a methanol daily cabin are arranged in the methanol fuel ship main body, the isolated void cabins are arranged around the methanol daily cabin, an inert gas generator is further arranged in the methanol fuel ship main body, and the inert gas generator is connected with the isolated void cabins. The methanol storage cabin is arranged in the methanol fuel ship main body, a hydraulic deep-well pump is arranged in the methanol storage cabin, pressure sensors are arranged in the methanol storage cabin and the methanol daily cabin, the methanol storage cabin is arranged in the methanol fuel ship main body, and an isolation void cabin is arranged around the methanol storage cabin. An inert gas generator and an inert gas storage box are arranged in the methanol fuel ship main body, the inert gas storage box is communicated with the isolation void through a third gas conveying pipe, and inert gas is filled into the isolation void through the inert gas storage box, so that the concentration of combustible gas in the isolation void is lower than the lower limit explosion concentration of methanol.

The invention relates to the technical field of ship propellers, and discloses a ship propeller and a control method thereof, and the ship propeller comprises a base, a main rod seat, a steering driving mechanism, a main rod, a lifting driving mechanism, a lifting transmission wheel and a lifting power mechanism. The base is used for being connected with a ship body, the main rod base is rotationally connected with the base, and the steering driving mechanism is fixedly arranged on the base and used for driving the main rod base to rotate relative to the base. The main rod is in sliding connection with the main rod base and can slide in the axial direction of the main rod base relative to the main rod base. The lifting driving mechanism is fixedly arranged on the main rod base and used for driving the main rod to slide relative to the main rod base. The lifting transmission wheel is rotationally arranged on the circumferential face of the main rod base and is in transmission connection with the input end of the lifting driving mechanism. The lifting power mechanism is fixedly arranged on the base, the output end is in transmission connection with the lifting transmission wheel, and the lifting power mechanism is used for providing power for the lifting driving mechanism. According to the propeller, the cable of the lifting power mechanism can be prevented from being wound on the main rod, and the reliability of the propeller can be improved.

The embodiment of the invention discloses a marine energy storage system and a discharging method thereof. According to the method, in the discharging process of the marine energy storage system, if the marine energy storage system in the discharging state is abnormal, abnormal information of the marine energy storage system is obtained; if the abnormal information does not trigger the power-off of the marine energy storage system, determining whether to trigger and reduce the discharge current of the marine energy storage system; if the discharge current of the marine energy storage system is triggered to be reduced, the discharge current of the marine energy storage system is adjusted from the first current to the second current, so that the technical problem that the whole ship is directly powered off and loses power due to the failure of a certain cluster of batteries in the marine energy storage system can be solved; and the discharge reliability of the marine energy storage system is greatly improved.

The invention relates to the field of intelligent propulsion for ship main propulsion manipulators, in particular to an intelligent propulsion system for a ship main propulsion manipulator, which comprises a safety login module, a power supply module, a data acquisition module, an intelligent propulsion analysis module, an intelligent control module and a remote monitoring module, the intelligent propulsion analysis module carries out analysis according to received ship cargo weight parameter and wind speed parameter information, the power supply module dynamically adjusts power distribution according to load changes and propulsion requirements of connected ships, and the intelligent control module adjusts and controls engine output power of the ships according to received signals. The invention aims to improve the energy efficiency, enhance the ship performance and improve the safety through accurate control and dynamic adjustment, and remarkable efficiency is brought to ship operation.

The utility model relates to the technical field of ships, in particular to a durability testing device for an outboard motor operating handle, which comprises a supporting table, a base and a base, the handle support is connected with the supporting table, and the handle support is used for installing a handle to be tested and enabling a grip of the handle to be tested to protrude out of the handle support; the power supporting frame is connected with the supporting table; the driving assembly is connected with the power supporting frame, the driving assembly is detachably connected with a grip of the tested handle, and the driving assembly is used for driving the grip of the tested handle to rotate; and the detection part is connected with the power support frame and the driving assembly and is used for detecting the rotation times of the handle to be tested. According to the durability test device for the outboard motor operating handle, the operating handle grip is driven by the driving assembly to rotate, and the damage condition of the grip is checked after the operating handle grip is rotated for a set number of times, so that the durability test of the outboard motor operating handle is completed.

The invention provides a marine methanol fuel regulation and control system and method. The marine methanol fuel regulation and control system comprises a supply device and a control device, wherein the supply device is used for outputting methanol to an engine; the monitoring device is connected with the supply device and is used for acquiring the pressure in the supply device; the purging device is connected with the supply device and is used for purging the methanol in the supply device; the releasing device is connected with the purging device and is used for receiving and releasing the methanol discharged by the purging device; and the pneumatic device is connected with the supply device, the monitoring device, the purging device and the relief device and used for controlling opening and closing of the supply device, the purging device and the relief device according to the pressure obtained by the monitoring device. According to the marine methanol fuel regulation and control system, methanol fuel with appropriate pressure and flow can be provided for equipment such as a high-pressure methanol dual-fuel medium-speed engine, meanwhile, the pneumatic device can achieve internal control of the system, and related functions are completed.

The present invention relates to a new energy ship battery power control method and a system. Each battery pack correspondingly supplies power to one bus, one bidirectional DC-DC converter is arranged between two adjacent buses to form a bus loop, and a load correspondingly draws electrical power from a corresponding bus loop segment; a power supply state of each bus area is checked, and by controlling the bidirectional DC-DC converter between buses, surplus energy of one bus is distributed to another bus having insufficient energy. According to the solution, a low DC-DC capacity configuration is achieved, energy between battery packs can be flexibly scheduled, the remaining electrical power between battery packs can be effectively balanced, the system risk is low and controllable when a bus is short-circuited, the power performance of a ship is not reduced when a single point of failure occurs, and the reliability and safety of the ship are effectively improved.

A marine vessel includes a vessel steering system including a boat controller configured or programmed to include an automatic vessel steering mode and a manual vessel steering mode as vessel steering modes. When a password to release a locked state is input to a multifunction display in a locked state where the vessel steering mode is fixed in the automatic vessel steering mode, the boat controller is configured or programmed to shift the automatic vessel steering mode to the manual vessel steering mode.

An operator interface device for a marine vessel includes a frame configured to couple to the marine vessel and a dial coupled to the frame and including a dial. The dial assembly is configured to be rotated by an operator about a dial axis into and between an initial position, a first operational position, and a second operational position. The dial assembly is rotated from the initial position toward the first operational position and when the dial assembly is released the first spring leg acts on the first dial endwall to return the dial assembly to the initial position. In addition, the dial assembly is rotated from the initial position toward the second operational position and when the dial assembly is released the second spring leg acts on the second dial endwall to return the dial assembly to the initial position.

The invention discloses a magnetic coupling speed-adjustable propeller and a control method thereof, and belongs to the technical field of underwater navigation and electric propulsion. A motor, a driving assembly and a driven assembly of the propeller are arranged in a cabin, a motor driving shaft is connected with the driving assembly, and a plurality of first permanent magnets are arranged on the driving assembly; a plurality of second permanent magnets are arranged on the driven assembly, and the first permanent magnets are in magnetic fit with the second permanent magnets; an impeller is arranged outside the cabin body and is connected with a driven assembly; the magnetic controller comprises a disc and electromagnets, the disc is rotationally connected with the driving assembly, the multiple electromagnets are detachably arranged on the disc and arranged between the first permanent magnet and the second permanent magnet, and when the driving assembly drives the driven assembly to rotate, the states of the electromagnets are changed, and the speed of the impeller can be adjusted. According to the propeller, friction loss in traditional mechanical transmission is eliminated, so that the propeller has a multi-mode speed regulation function and can adapt to more application scenes, and the transmission efficiency is improved.

A method of operating an electric vehicle includes receiving, via an operator-actuated accelerator of the electric vehicle, a propulsion command for propelling the electric vehicle. When an actuation rate of the accelerator associated with the propulsion command is a first value, the electric vehicle is accelerated at a first acceleration. When the actuation rate of the accelerator associated with the propulsion command is a second value higher than the first value, the electric vehicle is accelerated at a second acceleration higher than the first acceleration.

Disclosed is a steering-support system for facilitating manual steering of a marine vessel comprising motors and independent manual throttle and shift control units, rudders and manual rudder-steering means mechanically and / or hydraulically connected to the rudders for direct rudder-angle control. The steering-support system comprises electronic rudder-angle reset means connected to at least one automated rudder drive unit, which, when activated, disables use of the manual rudder-steering means and automatically controls the rudder drive unit to steer the rudders from any current off-center position to a mid position at which the rudders are parallel to a longitudinal axis of the vessel and to block the rudders at this mid position, thereby enabling steering of the marine vessel solely by the manual throttle and shift control units in absence of rudder influence on steering.