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| Number | Title | Issue Date |
| 7934964 | Outboard motor In an outboard motor, a lower casing is located below an upper casing, and an engine with a vertically-arranged crankshaft is mounted above the upper casing. The rotation of the crankshaft is transmitted to a drive shaft pivotally supported in the upper casing, has ... | 05/03/2011 |
| 7704109 | Structure for mounting cables for boat propulsion unit A mounting structure for cables for a boat propulsion unit that enables easy insertion of cables into a pass-through hole, as well as highly reliable water-sealing is provided in a bottom cowling of the boat propulsion unit. The cables are inserted in through-holes ... | 04/27/2010 |
| 7503817 | Outboard engine system An outboard engine system includes: an engine; a casing to which the engine is removably mounted at an upper portion; a torque converter; a vertically arranged output shaft connected to a crankshaft via the torque converter; a horizontally arranged propeller shaft p... | 03/17/2009 |
| 7500891 | Outboard motor An outboard motor having a grommet mounted on a lower cover is disclosed. The grommet is positioned outward from an area directly under a surface in which an upper cover and lower cover meet as viewed from above. A presser cover for pressing the upper half of the gr... | 03/10/2009 |
| 7485019 | Molded motor silencing system having a vibro-acoustic material An apparatus and method for silencing an engine are disclosed. A silencer is disposed about a motor and is molded to substantially match at least one of a contour of the cover and a contour of the motor to silence noise transmitted from the motor. ... | 02/03/2009 |
| 7485020 | Outboard motor An outboard motor includes a case extending generally vertically and supported on a hull. An engine is supported at an upper end of the case. A propeller is supported by a lower end of the case. A drive shaft is supported within the case for rotation about a general... | 02/03/2009 |
| 7431621 | Drive shaft supporting structure for a small boat, and personal watercraft incorporating same A drive shaft supporting structure for a small boat is provided which permits simplification of a hull and for which manufacturing productivity is increased. The drive shaft supporting structure includes a shaft-supporting member for rotatably supporting a drive sha... | 10/07/2008 |
| 7413492 | Watercraft with engine housing A watercraft includes a hull, an engine, and a housing adapted to completely enclose the engine, the housing being adapted to be removably disposed in the hull. ... | 08/19/2008 |
| 7413491 | Marine vessel propulsion structure and marine vessel driving apparatus In an outboard drive or an inboard-outboard drive, power generated by a single engine is transmitted in left and right directions from a main drive shaft, thereby finally causing left and right propellers to be rotated, the left and right propellers being arranged a... | 08/19/2008 |
| 7370643 | Internal combustion engine having compressed air supply passages therein for routing compressed air to charge injectors A V-type internal combustion engine includes cylinder heads having respective compressed-air supply channels extending therein for providing fluid communication between an air compressor and charge injectors. Formation of condensation in the compressed-air supply ch... | 05/13/2008 |
| 7322866 | Outboard engine An outboard engine comprises a power source inside a power source compartment. The power source room is formed by an upper cover and an undercover. A buoyant body is disposed outside the power source compartment, and has a lower surface wall in a position that is lo... | 01/29/2008 |
| 7299783 | Auxiliary control of airflow through an engine enclosure of an outboard motor A marine propulsion device is provided with an air control system that draws air from the region under the cowl of the outboard motor and induces a flow of air out of the region. The air is caused to flow through a second opening formed in the cowl. As a result, air... | 11/27/2007 |
| 7247065 | Outboard motor An outboard motor can includes an engine for driving a propulsion device, a cowling for covering the engine, a fresh air intake opening formed in the cowling for drawing fresh air, and an engine compartment defined in the cowling. The outboard motor can have a botto... | 07/24/2007 |
| 7226327 | Outboard drive for boats An outboard drive for boats, having a steerable underwater housing (1) which has a wing-profiled portion (2). Projecting at an approximately 90 degree angle from the aft part of one side face (31) of the wing profile is a face portion (32... | 06/05/2007 |
| 7211173 | System for inhibiting fouling of an underwater surface A marine fouling inhibiting system comprises first and second conductors which are made of a polymer matrix, such as vinyl ester, and a suspended conductor, such as graphite powder or particles. This type of conductive material is formed to provide two sections of a... | 05/01/2007 |
| 7210972 | Outboard engine An outboard engine with a cover for allowing for an improved outward appearance is disclosed. The engine includes a leg case that houses a drive shaft for transmitting the output from the engine to a propeller. The cover covers the leg case. The cover is formed inte... | 05/01/2007 |
| 7131877 | Method for protecting a marine propulsion system An electrically conductive coating is provided on a housing structure of a marine propulsion system. By impressing a current on the electrically conductive coating, which can be a polymer material, the housing structure is used as an anode in a cathodic protection s... | 11/07/2006 |
| 7117850 | Outboard motor An outboard motor comprises an engine disposed inside an outer cover, an intake unit provided for the engine and including a throttle body disposed in a vicinity of a crankcase of the engine and an intake manifold disposed on a side of the engine so as to extend fro... | 10/10/2006 |
| 7104856 | Rigging apparatus for an outboard motor A rigging apparatus is provided for an outboard motor in which an attachment member is shaped to be rigidly attached to a housing structure, or cowl, of an outboard motor, without the need for additional hardware such as clamps, brackets, or screws. The attachment m... | 09/12/2006 |
| 7097522 | Water pickup configuration for a marine propulsion system A cooling system for a marine propulsion device provides a water flow directing device, which is generally annular in shape, which has a water inlet extending from it. The water flow directing device is attachable to a gear case of a marine propulsion device and is ... | 08/29/2006 |
| 7055969 | Reflective optical assembly In an implementation, a reflective optical assembly may be configured for translation from a portable position to an operational position. An image forming device may be configured to receive an input of an image and illumination input, provided by a light source, t... | 06/06/2006 |
| 7021262 | Undercowl plenum chamber with preferential air paths An air intake system for an outboard motor provides parallel air flow paths between an opening formed in a cowl of the outboard motor and an air intake manifold of an engine under the cowl. A first air path flows in a relatively direct path between the opening in th... | 04/04/2006 |
| 6966806 | Replaceable leading edge for a marine drive unit A marine propulsion device is made of first and second portions which are removably attachable to each other. The second portion is the leading edge portion of the nose cone and the drive shaft housing. It can also comprise a portion of the skeg. The second portion ... | 11/22/2005 |
| 6962047 | Engine intake A/F ratio control system in outboard engine system In an engine intake A/F ratio control system in an outboard engine system, a secondary air passage (P) for supplying secondary air for regulating the A/F ratio of an air-fuel mixture is connected to a carburetor (33) in an intake system of an engine (E), and ... | 11/08/2005 |
| 6960108 | Protective containment device for wires and hoses of an outboard motor A protective containment device is provided to serve as a strain relief component for hoses, wires, and push-pull cables extending through a front surface of an outboard motor. The protective containment device is formed from first and second portions that are assem... | 11/01/2005 |
| 6928636 | Rule based OPC evaluating method and simulation-based OPC model evaluating method A rule-based OPC evaluating method and a simulation-based OPC model evaluating method for accurately evaluating line width controllability are disclosed. Mask pattern design data about an evaluation-use mask are input to rule-based OPC to obtain correction data abou... | 08/09/2005 |
| 6923695 | Outboard motor An outboard motor has an engine and a cover structure comprised of first and second cover members detachably connected to one another to define at least part of an engine compartment accommodating therein at least a portion of the engine. A cover body is mounted on ... | 08/02/2005 |
| 6921305 | Outboard motor An outboard drive unit for a watercraft to allow propulsion of the watercraft in mud and water. The drive unit has a reduction gear assembly mounted between a motor and a propeller assembly, thereby allowing an engine of given capacity to turn a propeller with incre... | 07/26/2005 |
| 6882289 | Monitoring and control of watercraft propulsion efficiency Readout devices and controls are provided that alert the user to unusual propeller slip conditions. Embodiments of the invention incorporate some signal processing to account for a progressively greater slip at lower watercraft speeds. Thus, the invention provides s... | 04/19/2005 |
| 6878022 | Outboard motor An outboard motor has an engine, a propeller drivable by the engine, and a drive shaft for transmitting a driving force from the engine to the propeller. A casing assembly supports the engine and rotatably supports and accommodates the drive shaft. A cover structure... | 04/12/2005 |
| 6758706 | Marine propulsion housing arrangement A marine propulsion housing arrangement includes an improved construction for inhibiting an influx of water into the housing and for protecting the components thereof. A marine outboard drive comprises a drive unit and at least a swivel bracket that supports the dri... | 07/06/2004 |
| 6672917 | Process for improving an anodizing film, an anodizing film structure and an aluminum-alloy-made outboard engine A process for forming an improved anodizing film on the surface of an aluminum alloy material. The film is impregnated with an amorphous substance which fills pores formed in the film during its growth. If the film has a flaw reaching the aluminum alloy m... | 01/06/2004 |
| 6645021 | Intake system for outboard motor A cowling assembly for an outboard motor includes an improved construction that can supply relatively cool air containing little water to the induction device and can also supply air to cool engine components without reducing the charging efficiency. The ... | 11/11/2003 |
| 6585545 | Shielded tilt-trim subsystem for boats using a stern drive system A stern drive system having an outdrive generally disposed downstream relative to water flow aft a transom of the boat is configured to be rotated about a generally horizontal axis to impart a desired trim or tilt to the drive system. A tilt-trim subsyste... | 07/01/2003 |
| 6579135 | Outboard engine An outboard engine with a grip recess formed on a part of an engine cover surface. The grip recess can be used as a handle by inserting an operator's hand thereinto. The outboard engine may be lifted up by using the grip recess as a handle during a tilt-u... | 06/17/2003 |
| 6558213 | High performance engine skeg The present invention, in one form, is a skeg having an airfoil shape which facilitates maintaining engine control even at high speed but does not adversely affect engine performance. In one embodiment, the skeg includes a fore end, an aft end, and opposi... | 05/06/2003 |
| 6468119 | Composite stern drive assembly Stern drive assembly configured for utilization in an inboard/outboard power plant for a boat. The stern drive assembly includes a central rigid core that is configured at an upper portion to be coupled to the stern of a carrying boat. A lower portion of ... | 10/22/2002 |
| 6460330 | Engine intake A/F ratio control system in outboard engine system In an engine intake A/F ratio control system in an outboard engine system, a secondary air passage (P) for supplying secondary air for regulating the A/F ratio of an air-fuel mixture is connected to a carburetor (33) in an intake system of an engine (E), ... | 10/08/2002 |
| 6413129 | Outboard drive housing cooling system An outboard motor includes a power head, driveshaft housing and lower unit, and employs a cooling system to cool the driveshaft housing. Portions of the driveshaft housing experience substantial heat transfer from the exhaust gases that pass through the d... | 07/02/2002 |
| 6350166 | Outboard engine with resonance-avoiding exhaust housing A propulsion system for a boat has a powerhead or a motor with an exhaust port for exhaust gases. The exhaust gases are exhausted through the propeller hub via an exhaust housing. The exhaust housing is a walled enclosure having an inlet, an internal volu... | 02/26/2002 |
