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| Number | Title | Issue Date |
| 8128442 | Outboard motor including drive shaft vibration damper An outboard motor that is capable of reducing a trolling noise includes an engine which has a crank shaft extending in an up-down direction; a drive shaft extending downward from the crank shaft and including a torsion bar spring; a propeller shaft; a propeller prov... | 03/06/2012 |
| 8118628 | Mount structure of outboard motor A mount structure of an outboard motor includes a first member, a second member, a buffer member, a sandwiching member, and a second elastic member. A propulsive force generated by a propeller of the outboard motor is applied to the first member. The second member i... | 02/21/2012 |
| 7758393 | Engine mount system for a marine outboard engine A marine outboard engine has a cowling, an engine, a driveshaft operatively connected to the crankshaft, a gear case, a transmission disposed in the gear case and connected to the driveshaft, a propeller shaft disposed generally perpendicular to the driveshaft and o... | 07/20/2010 |
| 7690959 | Mounting arrangement for a drive unit of a boat, and boat with mounting arrangement for a drive unit A mounting arrangement is provided for mounting a boat drive to a boat hull and includes a mounting collar including a first plate having a first opening therein and a first wall extending from a top surface of the first plate around the first opening and defining a... | 04/06/2010 |
| 7575489 | Small watercraft capable of suppressing vibration and noise of the vessel body To provide a small watercraft capable of suppressing vibration and noise of a vessel body, a jet pump is mounted to a hull via a thrust plate. A dynamic damper is disposed as an adjunct at a plate mounting portion that attaches the thrust plate to the hull. More spe... | 08/18/2009 |
| 7488225 | Propeller for boat A propeller for a boat includes a propeller shaft having a shaft hole, a shaft sleeve mounted in the shaft hole of the propeller shaft and provided with a metal core with a through hole for insertion of a driving shaft of the boat, and a shock-absorbing member cover... | 02/10/2009 |
| 7458865 | Power damping mechanism for input shaft of auxiliary machine A power damping mechanism for an input shaft of an auxiliary machine of an engine that is configured to be driven by the engine via a power transmission mechanism is provided. The power damping mechanism comprises a retainer plate that is fastened to the input shaft... | 12/02/2008 |
| 7354324 | Method and apparatus for assembling a marine propulsion system in a marine vessel A marine propulsion system is configured to be preassembled prior to the attachment of a marine engine to the marine vessel. In other words, the marine engine is attached to a transom plate, a gimbal ring, and a bell housing prior to insertion of the engine into the... | 04/08/2008 |
| 7335075 | Outboard motor with cowling An outboard motor includes an engine. A cowling body defines an internal cavity in which the engine is enclosed. A partition member divides the internal cavity into a first cavity and a second cavity. The first cavity communicates with outside through a first openin... | 02/26/2008 |
| 7300325 | Outboard motor In an outboard motor, an extension case (member constituting a frame of the outboard motor) has the natural frequency (resonance frequency) of higher than the vibration frequency produced when the engine operates at maximum speed. Since this configuration prevents t... | 11/27/2007 |
| 7267587 | Steering system of outboard motor A swivel bracket can be attached to a transom plate of a watercraft by means of a clamp bracket. A steering bracket can be rotationally provided in a swivel shaft of the swivel bracket. An outboard motor body can be secured to the steering bracket. An electric motor... | 09/11/2007 |
| 7244152 | Support system for an outboard motor An adapter system is provided as a transition structure which allows a relatively conventional outboard motor to be mounted to a pedestal which provides a generally stationary vertical steering axis. An intermediate member is connectable to a transom mount structure... | 07/17/2007 |
| 7238072 | Mounting system for a marine engine A support system for a marine engine provides a plurality of mounts that have primary axes that are aligned in parallel relation with a piston symmetry plane of the engine. These primary axes of the mounts are also aligned with the central axes of the cylinders of t... | 07/03/2007 |
| 7238070 | Outboard motor An outboard motor cam have a power transmission mechanism for transmitting rotational power of a crankshaft of an engine to a propeller through a drive shaft, an advancing/reversing-switching mechanism and a propeller shaft, and adapted to be propelled by the propel... | 07/03/2007 |
| 7234153 | Vibration damper for dampening vibrations at low frequencies Electronics are fitted in vehicles, such as boats, ships, trains, buses, lorries, normal cars etc. The electronic items are exposed to jolts and other non-uniform actions. Particularly with regard to jolts, electronic items or apparatuses in which there are also mec... | 06/19/2007 |
| 7225905 | Magnetorheological fluid damper A magnetorheological damper device is provided having an increased shear interface area per unit volume of device, which enhances the stroking force of the damper. The damper generally includes a thrust shaft comprising an external threaded surface in threaded commu... | 06/05/2007 |
| 7204732 | Outboard motor An outboard motor adapted to be mounted on a stern of a boat includes an internal combustion engine installed on a frame and a propeller powered by the engine to propel the boat, elastic members (rubber vibration isolators, elastic couplings, etc.) are interposed be... | 04/17/2007 |
| 7201622 | Internal combustion engine including improved balance shaft structure, and personal watercraft incorporating same An internal combustion engine is provided for a personal watercraft in which a portion of the engine that is enlarged to accommodate a balance shaft is minimized in size, whereby the internal combustion engine is made compact. Balance shafts for preventing secondary... | 04/10/2007 |
| 7198530 | Resilient mount system for an outboard motor The support structure for an outboard motor provides a connection bar between an engine support structure and a steering structure. A tubular outer member is spaced apart from the attachment bar and connected to the attachment bar with an elastomeric member. Vibrati... | 04/03/2007 |
| 7198531 | Drive shaft supporting structure for jet propulsion watercraft A drive shaft supporting structure for a watercraft is provided that supports in a substantially watertight manner at least a portion of the driveshaft. The drive shaft extends from an engine, which is disposed within an inner section of a hull of the watercraft (e.... | 04/03/2007 |
| 7185599 | Jet drive propulsion system for a pontoon boat A pontoon boat is provided with a jet drive propulsion system in which an impeller is driven by an engine. The jet drive propulsion device is dirigible as a result of the fact that a nozzle of the device is rotatable about a generally vertical steering axis. The jet... | 03/06/2007 |
| 7182657 | Boat hull with outboard drive and outboard drive for boats Boat hull with outboard drive unit, said drive unit (5) comprising an underwater housing (6) mounted on the outside of the hull bottom (1) and a gear housing (11) mounted on the inside of the hull bottom and joined to the underwater housi... | 02/27/2007 |
| 7182033 | Self-contained marine propulsion system for a pontoon boat A self-contained marine propulsion device is disposed within a container, or pod, that is removably attachable to an undersurface of a deck of a pontoon boat. An engine is contained within the container and connected in torque transmitting relation with the marine p... | 02/27/2007 |
| 7179143 | Outboard motor steering system An outboard motor steering system for an outboard motor mounted on a stern of a boat and having an internal combustion engine and a propeller with a rudder powered by the engine to propel and steer the boat. The system includes a swivel shaft connected to the propel... | 02/20/2007 |
| 7175491 | Assembly system for a marine propulsion device A marine propulsion system is configured to be assembled, as one unitary structure, into a marine vessel. A transom attachment member is provided and is attachable to both an engine and a drive unit to form a single marine propulsion system structure which can be lo... | 02/13/2007 |
| 7152842 | User coupled workspace shock isolation system A shock-isolation system having a platform for supporting an operator station and a console which can both be fixedly secured to the platform in a relative non-displacement mode with the platform supported by a shock mount that simultaneously isolates the platform i... | 12/26/2006 |
| 7128018 | Small watercraft The present invention relates to saddle-riding type watercraft and other small watercraft. In an embodiment, the invention is a small watercraft capable of reducing noise by utilizing the sponson. For example, a small watercraft is provided with a sponson made of sy... | 10/31/2006 |
| 7118434 | Outboard drive for boats Outboard drive unit for boats, including an underwater housing (6), in which two propeller shafts (7, 8) are mounted and are driven via a first bevel gearing (19, 20, 21) enclosed in the underwater housing, and a second bevel gearing (13, 14,... | 10/10/2006 |
| 7104853 | Marine gimbal outdrive assembly A ball and socket joint assembly for a water vehicle outdrive system pivots both the trim-lift and the rudder as well as provides a reverse thrust without the need of a shifting mechanism. The ball and socket joint assembly includes a control mechanism for generatin... | 09/12/2006 |
| 7078475 | Synergistic amine chain-extenders in polyurea spray elastomers Disclosed are derivatives of isophorone diamine exhibiting a synergistic relationship with other commonly employed chain extenders offering enhanced efficacy with regard to slowing of the polyurea elastomer cure profile, and processes employing their use. According ... | 07/18/2006 |
| 7073474 | Flywheel with torsional dampening ring An apparatus and method for constructing a flywheel assembly is disclosed. The flywheel assembly includes a flywheel hub that is constructed to engage a crankshaft of an internal combustion engine. A ferrous ring is attached to the flywheel hub with an elastomer rin... | 07/11/2006 |
| 7066777 | Marine inboard/outboard system A marine vessel is provided having a stern drive attached to the transom of the vessel. An actuator is provided for adjusting the pitch of the stern drive relative to the transom of the vessel. The stern drive is mounted on the transom of the vessel such that a driv... | 06/27/2006 |
| 7061147 | Superconducting electrical machines for use in navy ships Superconducting electrical machines, for example motors or generators, especially high-temperature superconducting machines, include a rotor equipped with superconductors, especially high-temperature superconductors. They further include a rotor cryostat, a rotor sh... | 06/13/2006 |
| 7047115 | Outboard motor steering system An outboard motor steering system for an outboard motor mounted on a stern of a boat includes a mounting unit having a swivel shaft connected to a propeller to turn the propeller, and a swivel case rotatably accommodating the swivel shaft. A vibration attenuator is ... | 05/16/2006 |
| 7001231 | Dual water injector for primary and idle relief exhaust passages A water cooling system for an outboard motor provides a water conduit that extends through both an idle exhaust relief passage and a primary exhaust passage. Water within the water conduit flows through first and second openings to distribute sprays or streams of wa... | 02/21/2006 |
| 6971932 | Marine inboard/outboard system A marine vessel is provided having a stern drive attached to the transom of the vessel. An actuator is provided for adjusting the pitch of the stern drive relative to the transom of the vessel. The stern drive is mounted on the transom of the vessel such that a driv... | 12/06/2005 |
| 6969289 | Marine vessel propulsion with a thrust bearing A marine vessel propulsion assembly has an elastically suspended gearbox with an output drive shaft guided in an axial bearing with a rigidly suspended bearing housing. Free space is provided in the axial bearing for allowing movement of the output drive shaft in th... | 11/29/2005 |
| 6959915 | Attachment for a throttle plate to reduce sound A block of material is attached to a surface of a throttle plate in a throttle body assembly for the purpose of reducing sound emanating from the throttle plate region. The block of material has a first edge attached proximate to a perimeter of the throttle plate an... | 11/01/2005 |
| 6939184 | Isolated motor pan for watercraft A dampening assembly used in watercraft to isolate the motor from the deck of the watercraft. In an embodiment of the invention, a frame including cross-members and a plurality of brackets supports the deck. The dampening assembly of the present invention extends fr... | 09/06/2005 |
| 6929519 | Outboard motor An outboard motor includes an under cover covering a part of an engine, a mount case supporting the engine, and an oil pan provided below the mount case. The under cover has an opening formed at a place opposite to a drain unit provided at a lower portion of the oil... | 08/16/2005 |
