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Match Document Document Title
8157604 Electrical linear motor for propulsion of marine vessel  
An electrical linear motor for propelling a marine vessel through a liquid medium, comprises a housing secured to the marine vessel and submerged in the liquid medium, an insert within the housing...
8152577 Electric boat  
An electric boat comprising a boat housing with a rechargeable battery bank; two wind turbines disposed in sides of the boat housing, the wind turbines are driven by oncoming wind; a first turbine...
8137834 Propulsion cell for a device in an aquatic medium  
An electrical cell for the propulsion of a device in an aquatic medium includes a first, second and third chamber forming a housing. The first chamber has an auxiliary electrical cell and a command...
8123577 Autonomous vehicle with fuel cell and autonomous flushing system  
An autonomous aquatic vehicle with one or more fuel cells, a controller, a plurality of sensors, a battery, and at least one electric motor and propeller. The one or more fuel cells provide power...
8083557 Method and apparatus for powering of amphibious craft  
The methods and apparatuses of the present invention provides for powering and maneuvering (forward, reverse and steering) systems for amphibious vehicle, marine vessel or ground vehicle operation...
8081475 Heat sinking assembly and method for power electronics in a trolling motor controller head  
To prevent water intrusion, trolling motor heads cannot utilize ventilation methods of removing heat from power electronics. The assembly and method of the present application utilizes the existing...
8077056 Immobilizer receiver for outboard motor  
An immobilizer receiver for an outboard motor includes a control unit that is housed in a liquid-tight case and arranged to receive an authentication code, an antenna wire arranged to receive the...
8074592 Submarine with a propulsion drive with an electric motor ring  
In one aspect, a submarine with a boat hull and a propulsion drive for the submarine the propulsion drive is arranged outside the boat hull and comprises a housing and a first electric motor, with...
8070544 Clean energy powered surfboards  
Clean energy powered surfboard having various advantages that make for easy to learn, easy to use, safer, exciting, high performance, environmentally friendly surfing on any ocean wave in the...
8065972 Underwater vehicle  
An underwater vehicle comprising an electrical power generation system that converts thermal energy from a body of water into electrical energy is disclosed. The vehicle comprises the electrical...
8062081 Hybrid propulsion systems  
A hybrid propulsion and energy management system for use in marine vessels and other variable demand propulsion applications monitors and draws energy from various energy sources dynamically to...
8047153 Solar powered kayak outrigger  
An outrigger for attachment to a host vessel, including: a flotation pod; a frame connected to the pod and connectable to the host vessel; at least one solar cell mounted on the frame; a battery...
8033234 Diver propulsion system with separate battery and motor-transmission modules  
A diver propulsion system includes separate operatively associated battery, motor, transmission, and clutch modules and a separable bracket plate and bracket base that facilitates both storage of a...
8011314 Personal dive device with electronic speed control  
A personal dive device includes a body having a power source that is disposed in the body with a voltage of the power source being greater than or equal to about 37 volts. A controller is in...
7993178 Powered surfboard for preserving energy of a surfer during paddling  
An improvement to a conventional surfboard includes an impeller and an electric motor contained primarily within the body of the surfboard, whereby performance of the surfboard is substantially...
7980905 Method and apparatus for providing power to a marine vessel  
A system and a method for providing power to a marine vessel and, more particularly to a tugboat is disclosed. The system includes diesel engines and generators and batteries which can be charged...
7975637 Temperature control system for a hybrid vehicle  
A method and apparatus for controlling the temperature of batteries in a hybrid marine vessel utilize a compartment to store the batteries and various conduits to conduct air to and from that...
7967650 Tension sleeve system for electric trolling motors  
A tension sleeve system that is selectively operable to engage a trolling motor system of a watercraft. The tension sleeve system is configured to fit over the area containing the lower portion of...
7963814 Electric motor-driven water craft, which is cooled by the surrounding water  
An electric motor-driven water craft including a fuselage, on which a user can at least partially lie or stand. The fuselage has a flow channel with a screw that is driven by an electric motor and...
7955148 Hydroelectric turbine-based power-generating system for vessels and submarines  
Power-generating system based on successive hydroelectric turbines (∫1N) located parallel to the submerged section of the hull of vessels and/or submarines (generating line ∫1N), at the point or ...
7909669 Differential displacement device under simultaneous and repetitive electromagnetic repulsive forces  
A differential displacement electromagnetic device providing motion over a support frame. Permanent electromagnets are fixedly mounted to a carriage and angularly oriented relative to the support...
7887381 Electrically powered watercraft  
Improvements to electrically powered watercraft including kayaks are disclosed. The watercraft comprises a hull defining a cavity and a battery powered retractable propulsion unit. The retractable...
7882791 Steering system and method for a motor driven craft  
A steering system for craft turns a motor from a fixed position to a secondary position. As a result, the craft turns right or left as desired by a user of the craft. A control unit instructs the...
7862393 Propulsion arrangement  
The present invention relates to a propulsion arrangement for a marine vessel, which propulsion arrangement comprises an internal combustion engine, a shaft arrangement and a steerable thruster...
7839048 Electrical machine with double-sided stator  
A machine useful for ship propulsion purposes includes a ship propulsion motor with two concentric air gaps. In one embodiment, the machine includes a rotor with an inner rotor core and an outer...
7806065 Modular system for fast and easy conversion of anchor moored semi-submersibles to dynamically positioned semis without the need for dry docking, using a diesel electric thruster system  
A modular removable externally mountable diesel electric thruster system using azimuthing thrusters and a dynamic positioning system for positioning floating semi-submersible vessels with a...
7803024 Fuel efficient power system for electric boat  
Fuel efficient power system for electric boat is provided. In starting a clutch is not activated if a drive shaft of an electric motor does not rotate at a predetermined speed, a power controller...
7789723 Unmanned ocean vehicle  
An unmanned, autonomous, waterborne vehicle (500) for marine use capable of operating on and below the surface of water, said vehicle (500) including an enclosed hull (501) having a payload bay...
7753747 Electric powered boat  
A boat hull includes a pair of spaced apart cavities formed in the bottom thereof. Mounted within each cavity is an electric trolling motor. An air purge system is provided for purging air from...
7731555 Powered surfboard for preserving energy of surfer during paddling  
An improvement to a conventional surfboard includes an impeller and an electric motor contained primarily within the body of the surfboard, whereby performance of the surfboard is substantially...
7722417 Trolling motor mount with mono main arm  
A mount for securing a trolling motor to a watercraft has a base, a main arm, a motor coupling, and a linkage. The motor coupling is configured to rotatably retain the trolling motor. The main arm...
7662003 Electrical propulsion and/or electrical current generation device aboard a marine craft  
A propulsion and/or electrical current generation device (26) in a marine craft, interposed between an engine block including a drive shaft (28) mounted on a bearing P1 and a reducing...
7654215 Diver propulsion system with separate battery and motor-transmission modules  
A diver propulsion system includes separate operatively associated battery, motor, transmission, and clutch modules.
7646114 System for and a ship having a system for connecting of shore power to the ship while docked  
A ship has electrical consumers connected to an electrical distributor by respective supply lines for delivering electrical power. A connector device connects a shore cable with a selected one of...
7645174 Marine propulsion system and method of operating the same  
A propulsion system for a marine vessel includes a first electric machine coupled to a first drive shaft configured to provide propulsion to the marine vessel, and a second electric machine coupled...
7637790 Outboard propulsion system for vessels  
An outboard propulsion system is disclosed. In some embodiments, the outboard propulsion system includes a generator operable to produce a first electrical signal, an engine electrically coupled to...
7621789 Watercraft propulsion system and operation control method therefor  
A watercraft propulsion system can be a hybrid type watercraft propulsion system including an engine and an electric motor both working as drive power sources for a propeller. When an operating...
7614925 Transportable outboard motor  
A transportable outboard drive for a boat has a head, a pylon, a shaft connecting the head and the pylon, an electric motor and a cable running inside the shaft. The shaft has at least two shaft...
7604520 Electrical linear motor for marine propulsion  
An electrical linear motor for propelling a marine vessel comprises a thruster assembly disposed within a guide tube. Permanent magnets are attached to the thruster assembly and placed in close...
7597597 Boat propulsion unit  
A boat propulsion unit includes an electric motor, a potentiometer arranged to detect the rotating angle of a throttle grip, a first stop mode sensor, a second stop mode sensor, and a controller...
7594833 Boat propulsion apparatus  
A boat propulsion apparatus is constructed such that an operation mode can be switched to a reverse mode and an amount of an output can be set by an easy operation without a complicated structure...
7575491 Controller for an electric propulsion system for watercraft  
A controller for an electric propulsion system for watercraft that provides for speed, steering and direction of propulsion with a single stick mechanism. The position of the joystick handle...
7572158 Marine outdrive  
A marine outdrive has a hydraulic vane motor with a spool shaped rotor eccentrically mounted in a fusiform shaped housing. The resulting increased vane area results in greater torque and speed.
7559813 Pod ship propulsion system provided with a hydrodynamic gear  
The invention relates to a pod ship propulsion System comprising a housing (3) connected to a ship hüll (2), an electric drive motor (8) mounted inside the housing at least one propeller (4) ...
7549902 Electric motor assisted propulsion system for human-powered watercraft  
A propulsion system for watercraft for personal enjoyment that incorporates human power with electric motor assistance, energy storage and optional solar power to achieve increased watercraft...
7544108 Power generation, distribution, and on-board power supply system for low-emissive surface marine (navy) ships of different classes and sizes  
Disclosed is a power generation, distribution, and on-board power supply system for low-emission surface marine (navy) ships of different classes and sizes. The system is embodied as an equipment...
7538511 Modular trolling motor control system  
A trolling motor control system includes plurality of modules that are connected to a communication bus to transmit and receive data used in controlling operation of a trolling motor. Based upon...
7497748 Boat control system with return to center steering command  
A boat control system includes trim tabs mounted on the lower transom of a boat, with an electric trolling motor attached to each tab. A user control provides commands to control positioning of the...
7473148 Outboard motor  
An outboard motor adapted to be mounted on a stern of a boat and having a propeller to propel the boat, a power source which produces rotational output, a drive unit including a vertical shaft...
7452251 Integrated outboard motor  
An outboard drive has an electric motor that is electronically controlled from an inverter. The outboard drive includes a pylon, with the electric motor and inverter arranged in the pylon.
Matches 1 - 50 out of 442 1 2 3 4 5 6 7 8 9 >