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| Number | Title | Issue Date |
| 8147282 | 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 (6). In order to provide an environmental friendl... | 04/03/2012 |
| 8118627 | Propulsion arrangement A propulsion arrangement for a marine vessel is disclosed. The propulsion arrangement comprises an engine (12, 14) for propelling the vessel and an electrical machine (26, 28) coupled to the engine. The electrical machine is arranged to supply onboard ... | 02/21/2012 |
| 8075354 | Rotor energy augmented marine vessel A marine vessel is constructed with a submerged front rotor/turbine that shields the vessel hull from water motion induced resistance force to a degree without significantly increasing the vessels water resistance while abstracting hydrodynamic energy from the vesse... | 12/13/2011 |
| 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 unit. The marine vessel further comprises an electric generator or a com... | 01/04/2011 |
| 7422495 | Operation control system for small boat An operation control system for a small boat can include a mode selection module configured to allow a driver to select between a plurality of driving modes including at least a normal operation mode, in which the boat cruises at a speed in response to the displacem... | 09/09/2008 |
| 7381107 | Outboard motor In a hybrid outboard motor equipped with an internal combustion engine and electric motor as selective sources of power for driving the propeller and further provided with the first output shaft connected to the engine for transmitting its output to the propeller an... | 06/03/2008 |
| 7353764 | Corvette ship-type equipment system A corvette ship-type equipment system includes standard-equipment segments, such as an energy generator, an energy distributor, a drive and an automation segment, and a hull which is adapted to the size and specific requirements on the corvette ship-type equipment s... | 04/08/2008 |
| 7341496 | Fast sea-going ship with a double bottom and a waterjet drive The invention relates to a high-speed, sea-going ship comprising a double hull and a water-jet drive, the latter consisting of at least one pump assembly for generating the water-jet and at least one drive motor for the pump assembly. According to the invention, the... | 03/11/2008 |
| 7300322 | Outboard motor An outboard motor is equipped with a centrifugal clutch located between the crankshaft of an engine and a rotor of an electric motor for, when the engine operates, transmitting its output to through the rotor to a propeller, and with a motor output transmission mech... | 11/27/2007 |
| 7244154 | Single and multi-engine drive system for a twin screw vessel In a twin screw marine vessel that has two engines arranged in tandem along the vessel's centerline, a drive system allows both engines to drive the propellers or, alternatively, either engine to drive both propellers independently (e.g. one in forward, the other in... | 07/17/2007 |
| 7241192 | Hybrid ship propulsion system A hybrid propulsion system includes a main diesel engine for driving the marine turbine and an electric motor. The electric motor has a nominal output that constitutes at least 20% of the nominal output of the main diesel engine. The electric motor remains continuou... | 07/10/2007 |
| 7223137 | Floating, water current-driven electrical power generation system A floating, water current-driven electrical power generation system has a hull supporting one or more paddle wheels. The unit is tethered in a stream or river so that the moving water turns the paddle wheel coupled to an electrical generator. A transmission matches ... | 05/29/2007 |
| 7207852 | Ship propulsion arrangement A ship propulsion arrangement is provided in which a mechanical drive shaft (3) extends through a hull (9) of a ship (1) to an external body (7). The external body incorporates an electric motor. The mechanical drive shaft (3) is d... | 04/24/2007 |
| 7178339 | Closed-loop cooling system for a hydrogen/oxygen based combustor A closed-loop cooling system is provided for a hydrogen/oxygen based combustor. A combustion reaction between hydrogen and oxygen in the combustor produces steam. The steam is used to generate work from a turbine shaft, which is used to drive a propulsion system for... | 02/20/2007 |
| 7147523 | Power generating and propelling system of vessel An electric power generating equipment (10) is provided between an internal combustion engine (2) and a power transmission device (3), and an electric motor (9) is disposed at an area of the power transmission device. An output shaft (... | 12/12/2006 |
| 7125297 | Continuously variable transmission A variable speed transmission having a plurality of tilting balls and opposing input and output discs is illustrated and described that provides an infinite number of speed combinations over its transmission ratio range. The use of a planetary gear set allows minimu... | 10/24/2006 |
| 7121905 | Energy system for watercraft The invention relates to an energy system for watercraft, comprising at least one fuel cell module (6,7,8,9), preferably (a H2O2 fuel cell module, by which at least one electric drive (17) and at least one electrical consumer are ... | 10/17/2006 |
| 7121906 | Method and apparatus for decreasing marine vessel power plant exhaust temperature According to the present invention, a method and apparatus for generating power aboard a marine vessel is provided. The method comprises the steps of: (a) providing a Rankine Cycle device that includes at least one of each of an evaporator, a turbo-generator that in... | 10/17/2006 |
| 7063579 | Method and apparatus for retrieving energy from a flowing stream of water A boat for retrieving energy from a flowing stream of water, such as a river or tidal flow, which can be easily moved to a convenient location and which is capable of capturing a significant portion of the energy of the flowing stream. The boat has a bottom and two ... | 06/20/2006 |
| 6978617 | Power generation system using a combustion system and a fuel cell A regenerative fuel cell is combined with a combustion engine such as a Pulse Detonation Engine (PDE) to create a closed-loop power generation system. Stored hydrogen and oxygen are used by the regenerative fuel cell, and by the combustion engine, in which the react... | 12/27/2005 |
| 6962097 | Mechanical steering transmission unit The present invention concerns a mechanical steering transmission unit comprising an input drive shaft and two output driven shafts that can revolve in the same or opposite direction at the same speed. ... | 11/08/2005 |
| 6957990 | Electric houseboat An electric houseboat comprises a hull and a house-like structure mounted on the hull which includes at least one bedroom, a bathroom, and a kitchen. A Diesel generator comprises the sole power source for the houseboat. The operating temperature of the Diesel genera... | 10/25/2005 |
| 6954003 | Mobile, self-sufficient operating assembly for providing electrical energy A mobile, self-sufficient operating assembly for providing electrical energy which includes two internal-combustion engines (21, 23) as well as two generators (22, 24). The internal-combustion engines (21, 23) and the generators (22, 24) ... | 10/11/2005 |
| 6887115 | Propulsion means for a boat A propulsion aggregate for boats of planing type is disclosed. The aggregate (10) comprises at least one inboard engine (5) disposed in a supporting frame (6), at least one first drive shaft (1) having a propeller (3), which shaft ... | 05/03/2005 |
| 6856882 | Device for recognizing the risk of aquaplaning which can occur during the driving of a vehicle The device according to the invention relates to a device for detecting a risk of aquaplaning which arises during the driving mode of a vehicle. The device contains for this purpose first means which determine a first propulsion variable which describes the propulsi... | 02/15/2005 |
| 6846208 | Wave rotor based power and propulsion generation for a marine vessel A hybrid power and propulsion generation system for a marine vessel is provided that combines a fuel cell with a wave rotor/combustor. A wave rotor that uses gas dynamics (shock and expansion) processes within rotating passages, using a hydrogen and oxygen supply in... | 01/25/2005 |
| 6655307 | Personal watercraft on which supercharger is mounted A personal watercraft with an engine and a supercharger, in which a speedy, positive operation of the supercharger is ensured. The system includes an engine for driving a jet propelling pump provided in a watercraft body formed by a hull and a deck in suc... | 12/02/2003 |
| 6645017 | Marine powertrain and accessory power system with flywheel motor generator unit In an exemplary embodiment, a marine powertrain includes a flywheel motor generator (MG) directly driven by an engine to which a marine drive is also connected. The MG provides a 36 volt AC power output to charge a 36 volt battery to crank the engine for ... | 11/11/2003 |
| 6378681 | Clutch In a clutch for coupling two shaft sections (2a, 2b) of a drive shaft, in which the shaft sections (2a, b) support an inner clutch ring (8) and an outer clutch ring (9) coplanar thereto and in which the clutch rings (8, 9) are provided with notches (19) w... | 04/30/2002 |
| 6062921 | Propulsion system and power plant for ships or boats and preferably for naval vessels A propulsion system and power plant for boats, preferably for naval vessels, consisting of two Diesel engines, a gas turbine and two drive shafts located next to one another with propellers, is characterized by the fact that there is also a water jet or h... | 05/16/2000 |
| 6033271 | Ship drive with a driving engine and a directly driven propeller shaft A ship propulsion system in which the ship's propeller is connected with its propeller shaft directly to a drive mechanism. A thrust bearing in the drive mechanism receives directly the thrust of the propeller shaft. An auxiliary drive with an electrical ... | 03/07/2000 |
| 5863228 | Method and apparatus for propelling a marine vessel An auxiliary propulsion system for a boat or other marine vessel according to the invention incorporates an electric motor/transmission device for generating locomotive force to propel the boat or vessel, an electrical power supply for providing electrica... | 01/26/1999 |
| 5704308 | Pivotal afterplane having a motor positioned thereon A propulsion apparatus for coupling to the stern of a boat is provided having at least one afterplane attached to the stern. At least one motor is positioned onto each corresponding afterplane, where each motor has a propeller positioned above the top sur... | 01/06/1998 |
| 5616056 | Auxiliary propulsion system for seagoing ships An auxiliary propulsion system that can be combined with a diesel engine to drive the shaft. A retrofittable diesel engine with a generator is installed to operate an electric motor. The electric motor is coupled to the shaft by means of a transmission wi... | 04/01/1997 |
| 5298818 | Thrust generator A thrust generator including a superconducting solenoid magnet 1, a thrust duct 2 and a power supply device 3. The spiral portion of the thrust duct 2 is inserted in the hollow interior of the superconducting solenoid magnet 1. Anode 8 and cathode 9 are f... | 03/29/1994 |
| 5261842 | Outboard motor retrofit generator apparatus A retrofit generator housing is arranged for mounting to an outboard drive housing to regenerate electrical energy into a battery of the associated outboard motor, with the generator housing arranged for fixed mounting to an end wall of the drive housing ... | 11/16/1993 |
| 5231946 | Monohull fast sealift or semi-planing monohull ship A vessel (10) has a semi-displacement or semi-planing round bilge hull (11) characterized by low length-to-beam ratio (between about 5.0 to 7.0) and utilizing hydrodynamic lift. The bottom (15) of the hull (11) rises toward the stern (17) and flattens out... | 08/03/1993 |
| 5108321 | Motor boat with auxiliary motor A motor boat with auxiliary and main motors and having a transom with a pocket or recess constructed and arranged to receive and support an auxiliary outboard motor. The auxiliary motor is connected to a steering control in a helm control center which ste... | 04/28/1992 |
| 5080032 | Monohull fast sealift or semi-planing monohull ship A vessel (10) has a semi-displacement or semi-planing round bilge hull (11) characterized by low length-to-beam ratio (between about 5.0 to 7.0) and utilizing hydrodynamic lift. The bottom (15) of the hull (11) rises toward the stern (17) and flattens out... | 01/14/1992 |
| 5041038 | Offshore loading system Offshore loading system comprising a dynamically positioned vessel and at least two flexible elements, such as hoses extending in different directions from two spaced apart locations according to a preferably double catenary configuration towards a discon... | 08/20/1991 |
