Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7497749 | Outboard motor engine An outboard motor engine and a protruding member for use therewith are provided. The outboard motor engine can have a crankshaft whose first end can be connected to a driven member. The protruding member can extend outwardly in the axial direction from a second end ... | 03/03/2009 |
| 7497746 | Method and system for steering watercraft A method of steering a watercraft propulsion device mounted to a transom plate and having a steering drive unit which allows the watercraft propulsion device to rotationally move about a swivel shaft. The method can include calculating a steering control amount for ... | 03/03/2009 |
| 7494390 | Action control device for small boat An action control device for a small boat can include a running condition detecting device, a running environment determining device configured to determine a running environment based upon the running condition, and a steering control device configured to set a ste... | 02/24/2009 |
| 7481688 | Propulsion unit and boat A boat can have a propulsion unit connected to a rear surface of a transom plate of a hull. The propulsion unit can have a propeller for producing thrust, a power device for driving the propeller, and a power transmission mechanism for transmitting power from the po... | 01/27/2009 |
| 7473149 | Watercraft propulsion system and operating method A watercraft propulsion system has a control lever for giving instructions regarding operating mode and output power from a source of driving force. A controller sets a propeller driving mode according to instructions given from the control lever. In an embodiment, ... | 01/06/2009 |
| 7467981 | Remote control device and watercraft A remote control device can be provided in a watercraft equipped with at least three outboard motors for operating the outboard motors by remote control. The remote control device can have a pair of shift levers and can be provided with a detection device for detect... | 12/23/2008 |
| 7465200 | Steering method and steering system for boat A steering method for a boat with a marine propulsion unit at the stern is provided in which a reaction torque is applied to a steering wheel in response to external force to the boat. The steering method includes: detecting a steering angle and the behavior of the ... | 12/16/2008 |
| 7458868 | Small planing boat An air passage and a cooling water passage can be formed in an intercooler provided on a small planing boat. A cooling water inlet of a cooling water passage in the intercooler can be provided at the lower end of the intercooler. A cooling water outlet can be at the... | 12/02/2008 |
| 7458369 | Supercharger lubrication structure A supercharger can have a lubrication system that includes a speed increasing mechanism, accommodated in a second housing, for increasing the rotation speed of a drive shaft and transmitting the increased rotation speed to a rotary shaft. An oil sump can be configur... | 12/02/2008 |
| 7455557 | Control unit for multiple installation of propulsion units A control unit for controlling multiple propulsion units can include plural propulsion units mounted at the stern of the boat to generate thrust. A control unit can be used to control the driving of each propulsion unit, and a target speed setting device can be used... | 11/25/2008 |
| 7455035 | Cooling water piping attachment structure for small boat A cooling water attachment device for a small boat can include a joint attachment part having a cooling water inlet/outlet port provided on a side surface of an engine opposite an exhaust pipe. A joint member can be formed with a recess for communication with the co... | 11/25/2008 |
| 7452255 | Outboard motor for small watercraft A casing of an outboard motor can be formed with an upper casing, a lower casing, and an extension casing interposed between the upper casing and the lower casing. Water guiding passages, which can be formed with jacket sections or the like, can extend along both in... | 11/18/2008 |
| 7444213 | Navigation information display control device for marine crafts On a marine craft that may be equipped with plural outboard motors engine control nodes can be mounted on outboard motors, and a display control node, as well as the network management node can be connected to a bus constructing a network. Receiving a display transm... | 10/28/2008 |
| 7442102 | Boat A remote control operation unit can have a remote control shift lever through which a boat operator can remotely control a forward drive mode, a neutral mode, and a reverse drive mode. A boat propulsion unit can have a shift switching device for shifting and a shift... | 10/28/2008 |
| 7442101 | Power supply system for boat LAN system coping with plural engines A power supply system for a boat LAN system with plural engines can comprise operator's devices, such as speedometers, tachometers, remote controls, and the like in the hull. Plural propulsion units can be mounted on the hull, each of which can include engines for d... | 10/28/2008 |
| 7443875 | Information communication system, device and method An information communication device for communicating information among a plurality of components includes a plurality of nodes, each being of a particular node type that corresponds to a particular transmission slot of a plurality of transmission slots. Each transm... | 10/28/2008 |
| 7435146 | Forward and reverse drive switching device for outboard motor A forward and reverse drive switching device for an outboard motor can include a switching mechanism that is actuated so as to set a propeller to a forward drive mode or a reverse drive mode. An actuator can have an electric motor and can serve as a drive source for... | 10/14/2008 |
| 7422499 | Operation device for a water-jet propulsion watercraft An operation device for a water-jet propulsion watercraft includes a first rotational shaft and a second rotational shaft. A first link can be rotatable about the first rotational shaft and a second link can be rotatable about the second rotational shaft. A bridging... | 09/09/2008 |
| 7422496 | Steering system for small boat A steering system for a small boat can include an outboard motor mounted to a hull, a steering wheel operated by a boat operator for steering the boat, a steering angle sensor for detecting a steering angle of the steering wheel, a steering device for moving the out... | 09/09/2008 |
| 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 |
| 7410395 | Parent-child type boat with generator A parent-child type boat having an electric power generating device, such as a fuel cell. The boat includes a parent boat and at least one child boat which is smaller than the parent boat. The parent boat is equipped with a generating device. The child boat is equip... | 08/12/2008 |
| 7409930 | Water cooling device for outboard motor An outboard motor can have a case supported by a hull, an internal combustion engine supported on the upper end of the case, an oil pan formed in the case for storing lubricating oil for the internal combustion engine, and a cooling water jacket formed integrally wi... | 08/12/2008 |
| 7404293 | Intake system for supercharged engine An intake system for a supercharged engine can include a blow-off passage provides communication between the upstream side of the throttle valve and the upstream side of a supercharger. A blow-off valve opens and closes the blow-off passage. The blow-off valve can b... | 07/29/2008 |
| 7401598 | Outboard motor with forward air intake and air-cooled fuel pump An outboard motor can comprise a cowling for covering an engine, a high pressure fuel supply system, and a low pressure fuel supply system. The high pressure fuel supply system can have a vapor separator tank and a high pressure fuel pump. The low pressure fuel supp... | 07/22/2008 |
| 7399210 | Reverse operation control for watercraft A watercraft has an engine that is controlled to provide a slower operational watercraft speed during a reverse operation of the watercraft. The engine is controlled by detecting a reverse operation and an operator engine torque request. An operational characteristi... | 07/15/2008 |
| 7399212 | Boat A boat can include batteries, a generator, a remote control unit provided in a hull, and an outboard motor controlled through the remote control unit so as to generate thrust. The batteries and the generator can be connected to the remote control unit and the outboa... | 07/15/2008 |
| 7384321 | Throttle opening controller for small planing boat A throttle opening controller for one embodiment of a small planing boat includes: a throttle valve for changing the degree of opening in response to displacement of a throttle lever; a remaining fuel amount detector; a fuel consumption calculating means; and a thro... | 06/10/2008 |
| 7385490 | Method for setting screens of inboard indicators A method for setting screens of plural inboard indicators connected to an inboard network via a communication line includes connecting a terminal to the inboard network. The method also includes loading the terminal with data from the plural indicators and setting t... | 06/10/2008 |
| 7364480 | Engine output control system for water jet propulsion boat A jet-propelled watercraft can include an engine output control system that adjusts the output of the engine based on a steering force and the engine speed. The control system can also be configured to detect abnormalities in the steering force sensor and to prohibi... | 04/29/2008 |
| 7350497 | Outboard motor lubrication system A lubrication system of an outboard motor delivers lubricant to an internal combustion engine. The internal combustion engine is supported by an upper end of a case. The lubrication system has an oil pan configured to hold lubricant oil. An oil conduit has a lower e... | 04/01/2008 |
| 7343906 | Water jet propulsion boat A watercraft can include an engine having a crankshaft with its output end extending rearward of a crankcase and a supercharger for compressing air feeding it to the engine. The supercharger can be located forward of a rear end of the crankcase. An exhaust pipe, des... | 03/18/2008 |
| 7343899 | Watercraft propulsion system and control method of the system A propulsion system for a watercraft includes an engine. An air intake device delivers air to a combustion chamber. A throttle valve regulates an amount of the air. A control device sets the throttle valve to a desired position. A remote controller provides the cont... | 03/18/2008 |
| 7343869 | Seat structure for small planing craft A storage space can be defined above an engine hatch of a hull. A rear end portion of the hatch cover can have an opening into which a seat can be retracted into the storage space. A rear end portion of the seat can define part of the hatch cover when the seat is re... | 03/18/2008 |
| 7341013 | Small planing watercraft A small planing watercraft can have a hull, an engine, and a steering assembly. The steering assembly can be configured to be translatable in the fore and aft direction, as well as pivotable about a generally horizontal axis so as to provide more flexibility in acco... | 03/11/2008 |
| 7337739 | Steering-force detection device for steering handle of vehicle Steering-force detection sections, including a pressure-receiving section and a received-pressure detection section, are spaced from one another in the vicinity of a steering shaft. The steering shaft can include a pressing member for applying pressure to the pressu... | 03/04/2008 |
| 7320629 | Steering device for small watercraft In a steering device for a small watercraft that has at least two outboard motors which propulsive directions and propulsive forces are individually controllable. The steering device can have a steering wheel that can be inclined relative to an axis of a steering sh... | 01/22/2008 |
| 7320251 | Load detector and transport equipment including the same A load detector is constructed so as to stabilize an output voltage responding to an input load. The load detector includes a magnetostrictive sensor which includes a hollow case, a coil housed in the case, and a rod-like magnetic member located at an axial center o... | 01/22/2008 |
| 7306499 | Watercraft An watercraft can include a steering unit including a steering member and a steering shaft, a propulsion system, a power output control mechanism for controlling the power output to the engine, a manually operated power output adjusting mechanism for adjusting the p... | 12/11/2007 |
| 7273033 | Engine control device An engine control device can be capable of suppressing a rise in engine speed at starting. The engine speed can be detected by a speed sensor and a determination can be made whether the engine speed has changed from a starting mode to a normal mode. If the engine sp... | 09/25/2007 |
| 7270068 | Steering control system for boat A rudder control device for a boat can include a handle position sensor for detecting an operation angle of a handle. An engine control unit can be provided for receiving a detection signal from the handle position sensor. A motor can be provided for receiving a con... | 09/18/2007 |
