Matches 51 - 100 out of 171 < 1 2 3 4 >


Match Document Document Title
US20110165802 VESSEL PROPULSION SYSTEM FOR WATERCRAFT  
A ship propulsion system for watercraft contains at least one propeller, by which a drive force can be created for the watercraft. The ship propulsion further contains an electric motor, the rotor...
US20150239546 SYSTEM FOR CONTROLLING AND PROVIDING POWER TO AT LEAST ONE ELECTRIC MOTOR IN A VESSEL  
A system for controlling and providing power to at least one electric motor in a vessel, such as a motor in a thruster or a winch. The system includes an electric energy storage, a power...
US20140179178 PROPULSION ARRANGEMENT IN A SHIP  
An exemplary propulsion arrangement includes at least one propulsion unit situated at the stern of a ship having a hull with a horizontal water line (WL) and a center line (CL). The propulsion...
US20070155256 Outboard Motor for a Boat  
An outboard drive for a boat, having an electric motor, a power supply line and a contact-making apparatus, connected to the power supply line for connecting a DC voltage source. The outboard...
US20120302112 SHIP DRIVE SYSTEM HAVING A PLURALITY OF ELECTRIC DRIVE SHAFTS  
A ship drive system includes a first and one second drive shaft for driving a respective propulsion unit, wherein each of the electric drive shafts includes at least one speed-variable generator...
US20070111616 Prop-less trolling motor  
A hydrodynamic propulsion trolling motor includes (a) housing adapted to rotatably receive a conduit therein, wherein the conduit includes a first end and a second end; (b) an outlet connected to...
US20090165690 SPORTS BOARD  
A sports apparatus configured to support a rider upon the water surface is disclosed and may comprise either a compartment in the top surface configured to accept personal articles and a...
US20100167602 Energy system and boat  
In one possible implementation the invention is electrical generating system, having: a wind power assembly having at least two rotatable propulsion systems: said wind power assembly further...
US20100041285 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...
US20140113511 POD DRIVE COMPRISING A REDUCTION GEARING  
Pod drive which can be fitted to a vessel and which is provided with an electric motor which drives a propeller shaft which is likewise provided in the housing of the pod drive and is connected to...
US20120199058 Watercraft  
The disclosed invention is directed to a watercraft which comprises at least one main force member attached to at least one wing; the main force member and/or wing and/or a float attached to the...
US20070293104 Propulsion System for Ships  
Propulsion system for ships and other mobile marine structures, with a driving machine for running an electrical generator, which is further connected to an electrical propulsion motor with...
US20150140877 MOUNT AND CONTROL SYSTEM FOR AN ELECTRIC OUTBOARD  
Systems and methods for mounting and controlling a motor on a kayak are disclosed. A motor may be mounted to a kayak by a single interface on the kayak and rotated using foot pegs. The control...
US20110111650 Powered surfboard  
A surfboard has a surfboard body, an electric motor, and a propeller. An electric power circuit provides power to the electric motor from a source of electro-motive force within the interior of...
US20090280701 MARINE-VESSEL TRANSMISSION  
The invention relates to a marine-vessel transmission having an input-drive shaft (10), which extends along an input-drive shaft axis (A) and on which an input-drive shaft gearwheel (12) is...
US20100009579 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...
US20130316602 ARRANGEMENT FOR STEERING AND SUPPLYING PROPULSION POWER TO PROPULSION SYSTEM  
An arrangement for steering and supplying propulsion power to a contra rotating propeller(s) (CRP) propulsion system in a marine vessel is disclosed. The arrangement can include a first propeller,...
US20130157526 ELECTRICALLY POWERED SURFBOARD  
Conventional unpowered surfboards enable riders to catch and ride waves towards a shoreline and experience the thrill and power of ocean waves. An electric powered surfboard has been developed to...
US20110151731 SWASH PLATE MECHANISM COMPRISING A SPUR TOOTHING  
A swash plate mechanism (200) consists of a drive element (210) that can be rotated about a main axis (250), a transmission element (220) that can be rotated about a swash plate axis (260), the...
US20110318978 MODULAR GONDOLA DRIVE FOR A FLOATING DEVICE  
A gondola drive for a floating device has an underwater housing circulated around by water. The gondola drive contains a drive module which has a drive module housing and a shaft disposed therein,...
US20150251734 Clean Energy Powered Surfboards  
Clean energy powered surfboard having various advantages that make for easy to learn, easy to use, safe, exciting, high performance, environmentally friendly surfing on any ocean wave in the...
US20130078876 AMPHIBIOUS SUBMERSIBLE VEHICLE  
A vehicle is provided that is amphibious to include submersible operations. The vehicle has wings configured to generate a sufficient dive force to oppose buoyancy of the vehicle, when desired,...
US20110003521 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...
US20110244740 ELECTRIC OUTBOARD MOTOR  
An electric outboard motor main body including an electric motor and a propulsion section that applies the electric motor as motive power, and a power supply section supplying power to the...
US20130059490 APPARATUS FOR USE WITH AND/OR AS PART OF A FLOATABLE ITEM  
There is provided an item which floats in a body of water. The item includes a body having a surface provided to form at least part of the underside of the item and an opposing surface. The item...
US20090269994 Propulsion system for a marine vessel  
A marine vessel includes an exterior component fitted to a hull of the marine vessel and a propulsion module configured to be received by the exterior component. The propulsion module includes a...
US20110244739 ELECTRIC OUTBOARD MOTOR  
An electric outboard motor to be driven by an electric motor separately includes an electric outboard motor main body including the electric motor and a propulsion section that applies the...
US20090156068 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...
US20100291812 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...
US20140242856 RECHARGEABLE BATTERY  
A rechargeable battery includes a plurality of electrode assemblies including a first electrode assembly and a second electrode assembly; a case housing the plurality of electrode assemblies; a...
US20120282825 ELECTRIC OUTBOARD DRIVE  
An electric outboard drive adapted to be mounted on a transom of a boat through a mounting bracket includes a driving device and a propelling device. Through engagement of a first transmission...
US20080293312 MARINE PROPULSION DEVICE  
A marine propulsion device such as an outboard motor includes a submersible electric motor having a propeller connected directly with the drive shaft of the motor. The motor is an efficient...
US20090311923 MARINE VESSEL POWER GENERATION SYSTEM  
A marine vessel power generation system comprising a conventional machinery arrangement, such as an internal combustion engine (2) and a generator (3), a propulsion system, and a main switchboard...
US20150259033 TRIMARAN HAVING OUTRIGGERS WITH PROPULSORS  
An improved trimaran of a type having a central hull, a starboard outrigger, a port outrigger, a starboard crossbar for attaching the starboard outrigger laterally to the starboard of the central...
US20070126297 Shaftless propeller  
A shaftless propeller may be made to cooperate with a liquid, with a stator having a circular opening and a rotor mounted in the opening and having an annular rotor body with a multiplicity of...
US20090325429 ENERGY CAPTURE METHOD AND APPARATUS  
An apparatus, system, and method are disclosed for an apparatus, system, and method to capture and store energy created as a result of a solid object moving through an electrolyte. The apparatus,...
US20100317243 DEVICE CAPABLE OF TRANSLATIONAL MOVEMENT OVER A SURFACE  
A device capable of translational movement has a base capable of movement across a ground surface or across or through a liquid surface. The base mounts one or more wind turbines aligned...
US20140134900 Drive-N-Glide Surfboard (Jet Drive)  
This new art offers an improvement to conventional surfboards as well as any previous motorized jet surfboards. This application includes an electric powered surfboard equipped with high volume...
US20140345513 HIGH SPEED SURFACE CRAFT AND SUBMERSIBLE VEHICLE  
A water craft comprising: an elongated hull comprising a passageway having an inlet and an outlet;a pump jet disposed within said passageway intermediate said inlet and said outlet;said pump jet...
US20100136857 VESSEL WITH RETRACTABLE MOTOR/GENERATOR ASSEMBLY  
Vessel comprising a motor/generator assembly (10), the motor/generator assembly (10) comprising a drive unit (11) and a propeller (12) attached to the drive unit (11) for providing propulsion to...
US20120108116 GAS-FIRED SUPERCONDUCTIVE ELECTRICALLY PROPELLED SHIP  
A gas-fired superconductive electrically propelled ship is provided with a cargo tank 1 (fuel tank) for storage of LNG 2, a vaporized gas feed line 3 for feeding of vaporized gas 2′ produced in...
US20100003871 Increased efficiency counter-rotating electric motor for propelling a boat  
An enhanced counter-rotating electric motor and an associate propulsion system for use with a water-vehicle includes a motor housing, a stator within the housing that rotates about a central axis...
US20150232163 BOAT DRIVE WITH COOLING CIRCUIT  
A cooling system and method is disclosed. A coolant line is in thermal contact with an electric motor of a boat drive. Coolant is pump able by a pump through the coolant line. The coolant line is...
US20120094555 ELECTRIC MARINE PROPULSION DEVICE WITH INTEGRAL MAGNETIC GEARING  
A propulsion device for a marine vessel, the propulsion device comprising an electrical machine with integral magnetic gearing, which comprises three members, namely a first or inner rotor...
US20060052914 Power drive unit  
In a power drive unit having power modules (three-phase inverter circuits) connected to a control circuit board, bus bars extending from the power modules and a current sensor each installed near...
US20110179988 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...
US20130137317 MARINE VESSEL AND MARINE VESSEL PROPULSION UNIT  
A marine vessel includes a hull, a jet pump disposed outside the hull, and an electric motor arranged to drive the jet pump. The jet pump includes a water inlet, a jet nozzle disposed posterior to...
US20120214363 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...
US20080200079 Separated Electric Motor Assisted Propulsion for Human-Powered Watercraft  
A propulsion system for hybrid electric watercraft for personal enjoyment that incorporates human power with electric motor assistance, energy storage and optional solar power to achieve increased...
US20150050846 SHALLOW-DRAFT WATERCRAFT PROPULSION AND STEERING APPARATUS  
A watercraft includes a stern flotation compartment. The hull is carved out underneath the gunwales to admit a vertical cylindrical sleeve extending through the flotation compartment from top to...

Matches 51 - 100 out of 171 < 1 2 3 4 >