US20070093148A1 - Amphibious vehicle - Google Patents
Amphibious vehicle Download PDFInfo
- Publication number
- US20070093148A1 US20070093148A1 US11/256,206 US25620605A US2007093148A1 US 20070093148 A1 US20070093148 A1 US 20070093148A1 US 25620605 A US25620605 A US 25620605A US 2007093148 A1 US2007093148 A1 US 2007093148A1
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- vehicle
- power
- control means
- mode operation
- amphibious vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60F—VEHICLES FOR USE BOTH ON RAIL AND ON ROAD; AMPHIBIOUS OR LIKE VEHICLES; CONVERTIBLE VEHICLES
- B60F3/00—Amphibious vehicles, i.e. vehicles capable of travelling both on land and on water; Land vehicles capable of travelling under water
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60F—VEHICLES FOR USE BOTH ON RAIL AND ON ROAD; AMPHIBIOUS OR LIKE VEHICLES; CONVERTIBLE VEHICLES
- B60F3/00—Amphibious vehicles, i.e. vehicles capable of travelling both on land and on water; Land vehicles capable of travelling under water
- B60F3/0007—Arrangement of propulsion or steering means on amphibious vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60F—VEHICLES FOR USE BOTH ON RAIL AND ON ROAD; AMPHIBIOUS OR LIKE VEHICLES; CONVERTIBLE VEHICLES
- B60F3/00—Amphibious vehicles, i.e. vehicles capable of travelling both on land and on water; Land vehicles capable of travelling under water
- B60F3/0061—Amphibious vehicles specially adapted for particular purposes or of a particular type
- B60F3/0069—Recreational amphibious vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60F—VEHICLES FOR USE BOTH ON RAIL AND ON ROAD; AMPHIBIOUS OR LIKE VEHICLES; CONVERTIBLE VEHICLES
- B60F2301/00—Retractable wheels
- B60F2301/04—Retractable wheels pivotally
Definitions
- the present invention relates to an amphibious vehicle.
- the amphibious vehicle contemplated by the present invention is lightweight in nature. Nevertheless, it requires a power plant with a certain amount of power output in order that the vehicle on water can get up on to the plane and travel as a planing vehicle. Such power levels may however be capable of imparting undesirably high speed and acceleration potential to the vehicle when used on land. Moreover, legislative requirements in certain parts of the world actually restrict power and/or road speed for certain types of vehicles. For example, a Low Speed Vehicle in the USA must not be capable of exceeding 25 mph on the road while in Europe a road legal All Terrain Vehicle must be restricted to an engine power output of less than 15 kW/20 brake horsepower.
- the present invention provides an amphibious vehicle comprising at least three wheels; handlebars operable to steer at least a front pair of the wheels; a sit-astride seat; a power plant driving at least one of the wheels when the vehicle is operating in a land mode; a jet drive or propeller driven by the power-plant when the vehicle is operating in a water mode; wherein power control means is provided to control in amount power delivered to drive the driven wheel(s), the power control means operating to limit power transmitted to the driven wheel(s) in land mode operation while allowing greater power to be transmitted to the jet drive or propeller.
- the present invention provides an amphibious vehicle comprising: at least three wheels; handlebars operable to steer at least a front pair of the wheels; a sit-astride seat; a power plant driving at least one of the wheels when the vehicle is operating in a land mode; a jet drive or propeller driven by the power plant when the vehicle is operating in a water mode; wherein speed control means is provided to offer resistance to motion of the vehicle on land whilst not limiting speed of the vehicle over water.
- the present invention provides an amphibious vehicle comprising: at least three wheels; handlebars operable to steer at least a front pair of the wheels; a sit-astride seat; a power plant driving at least one of the wheels when the vehicle is operating in a land mode; a jet drive or propeller driven by the power plant when the vehicle is operating in a water mode; wherein the power plant outputs power via a rotating output shaft; and speed control means is provided to limit the rotational speed of the driven wheel(s) when the vehicle is operating in the land mode.
- FIG. 1 is a perspective view of an amphibious vehicle according to the present invention
- FIG. 2 is a view of the vehicle of FIG. 1 in which the top surface of the vehicle has been made transparent;
- FIG. 3 corresponds to the view in FIG. 2 , save that the FIG. 2 shows the vehicle in water mode and the FIG. 3 shows the vehicle in land mode.
- FIG. 1 there can be seen in the Figure an amphibious vehicle 10 having four wheels 11 , 12 , 13 and 14 , handlebars 15 for steering the front wheels 11 and 14 and a sit-astride seat 16 .
- a gasoline reciprocating piston multi-cylinder internal combustion engine 17 which when the vehicle is in land mode drives the two rear wheels 13 and 12 to rotate.
- the vehicle also has a jet drive 18 at the rear of the vehicle which is driven by the engine 17 to propel the vehicle 10 when operating in water mode.
- the hull 19 of the vehicle has on its lower surface a planing surface (not shown) to enable the vehicle to plane across the water when in its water mode.
- a planing surface (not shown) to enable the vehicle to plane across the water when in its water mode.
- the road wheels 11 , 12 , 13 and 14 are connected to the remainder of the vehicle by a suspension system which allows them to be moved between an extended position (as shown in FIG. 3 ) for land use and a retracted position (as shown in FIGS. 1 and 2 ) for use on water.
- the engine 17 In order that the vehicle 10 operates as a planing vehicle on water, even when transporting 2 or 3 passengers, the engine 17 must have a certain power output. However, since the vehicle 10 will be very light, this power output if fully available on land would make the vehicle difficult to drive because it would be capable on land of excessive speed and excessive acceleration.
- the present invention provides for the restriction of the power available to the road wheels and/or restriction of the speed of rotation of the road wheels by a power or speed control system which limits the power available to drive the wheels in road use or the rotational speed of the wheels, whilst allowing greater power to be available to the jet drive or propeller in marine use and/or allowing the jet drive/propeller to rotate at greater rotational speed than the road wheels.
- the power control system can take many forms, including:
- Provision of a fuelling system for the engine 17 which operates to restrict the flow of fuel to the engine when the vehicle is operating in road mode. For an engine with a carburettor this would be done by metering the fuel supplied from a fuel pump and for a fuel injection engine the fuel supply pressure could be varied. For a diesel engine the mechanical governor could be restricted in land mode.
- the engine 17 is a multi-cylinder engine then it is envisaged that the engine could be provided with a cylinder deactivation system so that all of the cylinders would be active when the vehicle is operating in water mode and then some of the cylinders deactivated for land mode. If the engine is a spark ignition engine which uses port fuel injectors, one for each cylinder, then this could be achieved by deactivating the ignition system for the relevant cylinders and deactivating the port fuel injectors for the relevant cylinders.
- the engine 17 could be provided with an electronic ignition system (assuming it is a spark ignition engine), and the timing of the spark could be varied to alter the power output of the engine between marine mode operation and land mode operation.
- the engine 17 could be connected to the wheels 12 via a gearbox which is deliberately chosen to be a low ratio gear box so that the rotational speed of the wheels 12 and 13 is limited by the maximum speed of revolution of the engine 17 .
- the transmission could comprise a simple manual gearbox, an automatic gearbox or a continuously variable gearbox, all suitably configured to ensure that a gear ratio is never employed which at maximum engine speed would result in excessive land speed of the vehicle.
- the engine 17 could be adapted to be a “dual fuel” engine, for instance operating using gasoline on water and using compressed natural gas (which has a lower calorific value) in land mode.
- the engine 17 could be a supercharged engine with an engine driven compressor.
- the supercharger could be driven by a clutch and the clutch closed during marine mode (so that the engine is supercharged) and opened during land mode so that the engine loses its supercharging and therefore loses power.
- the engine 17 could be a turbocharged engine. If so, a bypass passage could be included to bypass the turbocharger so that the engine is turbocharged only during marine operation and not during land use. Additionally, or alternatively the vanes in the turbocharger could be made to have a variable pitch, in which case the pitch would be varied to decrease boost in land mode and increase boost in marine mode. Additionally, or alternatively the engine could be provided with a pair of turbochargers, high pressure and low pressure, and the low pressure turbocharger used on its own in land mode could then be replaced by the high pressure turbocharger in water mode (or both turbochargers operated simultaneously in water mode).
- the engine 17 could be provided with multiple poppet valves per cylinder, including at least two inlet poppet valves per cylinder.
- a poppet valve deactivation system could then be operated to deactivate e.g. one or each pair of inlet poppet valves, in order to decrease the flow of air through the engine in land mode.
- the air inlet manifold for the engine 17 could be made of variable length and could be “tuned” to give good performance during marine mode operation (by ensuring that a standing wave is set up in the inlet manifold which gives rise to high pressure just behind the inlet poppet valves). The inlet manifold could then be “detuned” for land use to reduce the engine performance and output.
- an engine control unit By suitable programming of an engine control unit it will be possible to give an engine characteristics for water mode operation which are different to the characteristics for land mode operation. For instance, the engine control unit can vary the fuelling (as described above) and the spark ignition timing (also described above). The engine control unit could be provide with a pair of different throttle maps, one for land use and the other for marine use.
- the power control mechanism could act on the clutch which connects the engine to the driven road wheels.
- the clutch mechanism could be controlled to deliberately allow clutch slippage and therefore limit the power transmitted to the road wheels, even though the engine itself outputs the same amount of power both in land and water modes.
- Another simple approach to limiting power output would be to warm the intake air prior to combustion, which could be done, for instance, by running hot coolant around the air intake with the flow of hot coolant switched on and off depending upon operating mode.
- the body of the vehicle could be provided with moving flaps which are retracted during marine mode operation to make the vehicle more streamlined and then extended during land mode operation to give greater air resistance and restrict thereby the speed of the vehicle.
- the movable body parts of the vehicle could be a front screen of the vehicle, which could be tilted into a more upright position in land mode, or a spoiler.
- the air intake apertures in the vehicle body (which provide a flow of cooling air to the radiator(s) of the vehicle) could be provided in deployable scoops which are extended in land mode operation of the vehicle to increase air flow and to increase drag.
- the vehicle suspension could also be provided with a tilting mechanism which would tilt the vehicle with increasing speed in order that the vehicle presents a greater effective frontal area to increase drag.
- the engine could be provided with an alternator or other electrical charger which is switched in to be driven by the engine during land mode, but which is decoupled from the engine during marine mode so that the net power of the engine is reduced in land mode because of the power needed to power the electrical charger.
- a very basic way of restricting the performance of the vehicle on land is to provide it with tyres which have high rolling resistance and high friction.
- the vehicle has a first throttle control for road use and a second throttle control for marine use, with each throttle control being made automatically inactive depending upon the mode of operation.
- the road use throttle control would only allow the throttle to be opened part way and not a wide open throttle thereby restricting the power output during land operation.
- the marine mode operation would allow the vehicle to operate with wide open throttle and would not restrict the power output of the engine.
- the vehicle has a single internal combustion engine as its power plant, the vehicle could be provided with, for instance, two internal combustion engines.
- the transmission connecting the internal combustion engines to the jet drive/propeller and to the driven road wheels would operate under the control of the power control system in order to either power the jet drive/propeller using both engines, with the driven road wheels driven by only one engine, or alternatively to drive the jet drive/propeller with a first engine and the driven road wheels with a second, different engine.
- the second engine would have a reduced power output as compared with the first engine.
- sensors to detect the immersion of the hull in water e.g. hull-mounted pressure sensors, or sensors detecting the presence of water in the intake pipe leading to a jet drive.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Supercharger (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
Description
- The present invention relates to an amphibious vehicle.
- The amphibious vehicle contemplated by the present invention is lightweight in nature. Nevertheless, it requires a power plant with a certain amount of power output in order that the vehicle on water can get up on to the plane and travel as a planing vehicle. Such power levels may however be capable of imparting undesirably high speed and acceleration potential to the vehicle when used on land. Moreover, legislative requirements in certain parts of the world actually restrict power and/or road speed for certain types of vehicles. For example, a Low Speed Vehicle in the USA must not be capable of exceeding 25 mph on the road while in Europe a road legal All Terrain Vehicle must be restricted to an engine power output of less than 15 kW/20 brake horsepower.
- In a first aspect the present invention provides an amphibious vehicle comprising at least three wheels; handlebars operable to steer at least a front pair of the wheels; a sit-astride seat; a power plant driving at least one of the wheels when the vehicle is operating in a land mode; a jet drive or propeller driven by the power-plant when the vehicle is operating in a water mode; wherein power control means is provided to control in amount power delivered to drive the driven wheel(s), the power control means operating to limit power transmitted to the driven wheel(s) in land mode operation while allowing greater power to be transmitted to the jet drive or propeller.
- In a second aspect the present invention provides an amphibious vehicle comprising: at least three wheels; handlebars operable to steer at least a front pair of the wheels; a sit-astride seat; a power plant driving at least one of the wheels when the vehicle is operating in a land mode; a jet drive or propeller driven by the power plant when the vehicle is operating in a water mode; wherein speed control means is provided to offer resistance to motion of the vehicle on land whilst not limiting speed of the vehicle over water.
- In third aspect the present invention provides an amphibious vehicle comprising: at least three wheels; handlebars operable to steer at least a front pair of the wheels; a sit-astride seat; a power plant driving at least one of the wheels when the vehicle is operating in a land mode; a jet drive or propeller driven by the power plant when the vehicle is operating in a water mode; wherein the power plant outputs power via a rotating output shaft; and speed control means is provided to limit the rotational speed of the driven wheel(s) when the vehicle is operating in the land mode.
- These and other features and advantages of the present invention will become apparent from the following detailed description of preferred embodiments which, taken in conjunction with the accompanying drawings, illustrate by way of example the principles of the invention.
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FIG. 1 is a perspective view of an amphibious vehicle according to the present invention; -
FIG. 2 is a view of the vehicle ofFIG. 1 in which the top surface of the vehicle has been made transparent; and -
FIG. 3 corresponds to the view inFIG. 2 , save that theFIG. 2 shows the vehicle in water mode and theFIG. 3 shows the vehicle in land mode. - Turning firstly to
FIG. 1 there can be seen in the Figure anamphibious vehicle 10 having fourwheels handlebars 15 for steering thefront wheels astride seat 16. As can be seen inFIG. 2 , there is located inside the vehicle a gasoline reciprocating piston multi-cylinderinternal combustion engine 17 which when the vehicle is in land mode drives the tworear wheels jet drive 18 at the rear of the vehicle which is driven by theengine 17 to propel thevehicle 10 when operating in water mode. - The
hull 19 of the vehicle has on its lower surface a planing surface (not shown) to enable the vehicle to plane across the water when in its water mode. To facilitate this theroad wheels FIG. 3 ) for land use and a retracted position (as shown inFIGS. 1 and 2 ) for use on water. - In order that the
vehicle 10 operates as a planing vehicle on water, even when transporting 2 or 3 passengers, theengine 17 must have a certain power output. However, since thevehicle 10 will be very light, this power output if fully available on land would make the vehicle difficult to drive because it would be capable on land of excessive speed and excessive acceleration. - The present invention provides for the restriction of the power available to the road wheels and/or restriction of the speed of rotation of the road wheels by a power or speed control system which limits the power available to drive the wheels in road use or the rotational speed of the wheels, whilst allowing greater power to be available to the jet drive or propeller in marine use and/or allowing the jet drive/propeller to rotate at greater rotational speed than the road wheels. The power control system can take many forms, including:
- 1. Provision of a fuelling system for the
engine 17 which operates to restrict the flow of fuel to the engine when the vehicle is operating in road mode. For an engine with a carburettor this would be done by metering the fuel supplied from a fuel pump and for a fuel injection engine the fuel supply pressure could be varied. For a diesel engine the mechanical governor could be restricted in land mode. - 2. Provision of an exhaust throttle or brake which restricts flow of combusted gases from the combustion chambers of the
engine 17 during road mode operation. - 3. The use of an intake throttle whose limit of opening can be controlled so that in marine mode the intake throttle will be capable of opening to wide open throttle, but in land mode the movement of the throttle will be restricted to an extreme position which is still partly closed. This can be done by deploying a mechanical throttle stop to limit throttle movement in land mode and retracting the stop for marine use. Alternatively the throttle could be an electrically operated throttle controlled by an electronic control system which receives a signal indicative of position of a manually operable throttle control and controls position of the throttle accordingly; in land mode operation the system will limit throttle motion to restrict engine output power and thereby vehicle speed. A mechanical throttle damper could also be employed operable only in land mode to damp throttle movement (or with different characteristics in land and marine modes, with a greater degree of damping applied in land mode).
- 4. If the
engine 17 is a multi-cylinder engine then it is envisaged that the engine could be provided with a cylinder deactivation system so that all of the cylinders would be active when the vehicle is operating in water mode and then some of the cylinders deactivated for land mode. If the engine is a spark ignition engine which uses port fuel injectors, one for each cylinder, then this could be achieved by deactivating the ignition system for the relevant cylinders and deactivating the port fuel injectors for the relevant cylinders. - 5. The
engine 17 could be provided with an electronic ignition system (assuming it is a spark ignition engine), and the timing of the spark could be varied to alter the power output of the engine between marine mode operation and land mode operation. - 6. The
engine 17 could be connected to thewheels 12 via a gearbox which is deliberately chosen to be a low ratio gear box so that the rotational speed of thewheels engine 17. The transmission could comprise a simple manual gearbox, an automatic gearbox or a continuously variable gearbox, all suitably configured to ensure that a gear ratio is never employed which at maximum engine speed would result in excessive land speed of the vehicle. - 7. The
engine 17 could be adapted to be a “dual fuel” engine, for instance operating using gasoline on water and using compressed natural gas (which has a lower calorific value) in land mode. - 8. The
engine 17 could be a supercharged engine with an engine driven compressor. The supercharger could be driven by a clutch and the clutch closed during marine mode (so that the engine is supercharged) and opened during land mode so that the engine loses its supercharging and therefore loses power. - 9. The
engine 17 could be a turbocharged engine. If so, a bypass passage could be included to bypass the turbocharger so that the engine is turbocharged only during marine operation and not during land use. Additionally, or alternatively the vanes in the turbocharger could be made to have a variable pitch, in which case the pitch would be varied to decrease boost in land mode and increase boost in marine mode. Additionally, or alternatively the engine could be provided with a pair of turbochargers, high pressure and low pressure, and the low pressure turbocharger used on its own in land mode could then be replaced by the high pressure turbocharger in water mode (or both turbochargers operated simultaneously in water mode). - 10. The
engine 17 could be provided with multiple poppet valves per cylinder, including at least two inlet poppet valves per cylinder. A poppet valve deactivation system could then be operated to deactivate e.g. one or each pair of inlet poppet valves, in order to decrease the flow of air through the engine in land mode. - 11. The air inlet manifold for the
engine 17 could be made of variable length and could be “tuned” to give good performance during marine mode operation (by ensuring that a standing wave is set up in the inlet manifold which gives rise to high pressure just behind the inlet poppet valves). The inlet manifold could then be “detuned” for land use to reduce the engine performance and output. - 12. By suitable programming of an engine control unit it will be possible to give an engine characteristics for water mode operation which are different to the characteristics for land mode operation. For instance, the engine control unit can vary the fuelling (as described above) and the spark ignition timing (also described above).The engine control unit could be provide with a pair of different throttle maps, one for land use and the other for marine use.
- 13. Certain internal combustion engines have been proposed which achieve variable compression ratios in the cylinders of the engine. SAAB has an engine with a tilting cylinder block which enables compression ratio to be varied. Others have proposed variable length pistons or movable cylinder heads. Crank mechanisms have also been proposed in the past which vary the piston travel. Any of these mechanisms could be used to alter the power output from the engine so that the power output is greater in marine mode than in land mode.
- 14. It is known in several engines available today to vary in timing the opening and closing of inlet and exhaust valves of the engine. This can be achieved, for instance, using cam phasing mechanisms. Varying the valve timing can lead to a change in the characteristics of the engine and a power output in land mode which is less than the power output in marine mode.
- 15. For a simpler and somewhat cruder approach, the power control mechanism could act on the clutch which connects the engine to the driven road wheels. The clutch mechanism could be controlled to deliberately allow clutch slippage and therefore limit the power transmitted to the road wheels, even though the engine itself outputs the same amount of power both in land and water modes.
- 16. Another simple approach to limiting power output would be to warm the intake air prior to combustion, which could be done, for instance, by running hot coolant around the air intake with the flow of hot coolant switched on and off depending upon operating mode.
- 17. The body of the vehicle could be provided with moving flaps which are retracted during marine mode operation to make the vehicle more streamlined and then extended during land mode operation to give greater air resistance and restrict thereby the speed of the vehicle. The movable body parts of the vehicle could be a front screen of the vehicle, which could be tilted into a more upright position in land mode, or a spoiler. Also the air intake apertures in the vehicle body (which provide a flow of cooling air to the radiator(s) of the vehicle) could be provided in deployable scoops which are extended in land mode operation of the vehicle to increase air flow and to increase drag. The vehicle suspension could also be provided with a tilting mechanism which would tilt the vehicle with increasing speed in order that the vehicle presents a greater effective frontal area to increase drag.
- 18. It would be possible to fit the vehicle with a sophisticated braking system which would apply brakes to the road wheels to limit the top speed of the vehicle. This could be a function of a traction control system of the vehicle.
- 19. The engine could be provided with an alternator or other electrical charger which is switched in to be driven by the engine during land mode, but which is decoupled from the engine during marine mode so that the net power of the engine is reduced in land mode because of the power needed to power the electrical charger.
- 20. A very basic way of restricting the performance of the vehicle on land is to provide it with tyres which have high rolling resistance and high friction.
- 21. It is also possible to configure the vehicle with a first throttle control for road use and a second throttle control for marine use, with each throttle control being made automatically inactive depending upon the mode of operation. The road use throttle control would only allow the throttle to be opened part way and not a wide open throttle thereby restricting the power output during land operation. On the other hand, the marine mode operation would allow the vehicle to operate with wide open throttle and would not restrict the power output of the engine.
- 22. Many internal combustion engines are now provided with exhaust gas recirculation in order to improve the overall emissions of the engine. It would be possible to adapt an exhaust gas recirculation system to feed back sufficient exhaust gas into the combustion chambers that the overall power output of the engine was reduced. This would be done for land operation, whereas the exhaust gas recirculation would be reduced or stopped completely for water use.
- 23. Whilst in the drawings and as described above, the vehicle has a single internal combustion engine as its power plant, the vehicle could be provided with, for instance, two internal combustion engines. The transmission connecting the internal combustion engines to the jet drive/propeller and to the driven road wheels would operate under the control of the power control system in order to either power the jet drive/propeller using both engines, with the driven road wheels driven by only one engine, or alternatively to drive the jet drive/propeller with a first engine and the driven road wheels with a second, different engine. The second engine would have a reduced power output as compared with the first engine.
- In the modes of operation described above, in which an absolute limit is placed on vehicle speed it may be desired to provide a warning light in the instrument cluster to warn the driver when the speed limit is reached.
- For all of the embodiments described above there will be an electronic control system which senses whether the vehicle is in road mode operation or marine mode operation and then controls the power output of the engine accordingly. The simplest way of providing for this would be to sense whether the wheels are in their retracted or extended positions. The wheels will typically be extended or retracted under manual control and a sensor can easily be provided to detect which location they are in. The switch-over of engine power output or the switch of power available to the vehicle wheels will occur automatically on the sensing of a change of mode from water mode to land mode. The driver will not be allowed to override the action of the power control system.
- Whilst sensing the position of the wheels will give the easiest way of detecting whether the vehicle is in land mode or water mode, other ways of detecting this are possible: for instances, sensors to detect the immersion of the hull in water, e.g. hull-mounted pressure sensors, or sensors detecting the presence of water in the intake pipe leading to a jet drive.
- While a particular form of the present invention has been illustrated and described, it will also be apparent to those skilled in the art that various modifications can be made without departing from the spirit and the scope of the present invention. Accordingly, it is not intended that the invention be limited except by the appended claims.
Claims (42)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/256,206 US7207851B1 (en) | 2005-10-21 | 2005-10-21 | Amphibious vehicle |
PCT/GB2006/003930 WO2007045909A2 (en) | 2005-10-21 | 2006-10-23 | Amphibious vehicle |
KR1020087010407A KR20080063376A (en) | 2005-10-21 | 2006-10-23 | Amphibious vehicle |
CN200680039293.8A CN101389498B (en) | 2005-10-21 | 2006-10-23 | Amphibian vehicle |
CA2625703A CA2625703C (en) | 2005-10-21 | 2006-10-23 | Amphibious vehicle |
EP06794866.1A EP1937497B1 (en) | 2005-10-21 | 2006-10-23 | Amphibious vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/256,206 US7207851B1 (en) | 2005-10-21 | 2005-10-21 | Amphibious vehicle |
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US12/146,067 Division US8014058B2 (en) | 2004-11-04 | 2008-06-25 | Method for driving optical deflecting device array, optical deflecting device array, optical deflecting device, and image projection displaying apparatus |
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US7207851B1 US7207851B1 (en) | 2007-04-24 |
US20070093148A1 true US20070093148A1 (en) | 2007-04-26 |
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US11/256,206 Active US7207851B1 (en) | 2005-10-21 | 2005-10-21 | Amphibious vehicle |
Country Status (6)
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US (1) | US7207851B1 (en) |
EP (1) | EP1937497B1 (en) |
KR (1) | KR20080063376A (en) |
CN (1) | CN101389498B (en) |
CA (1) | CA2625703C (en) |
WO (1) | WO2007045909A2 (en) |
Cited By (12)
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US20100144220A1 (en) * | 2006-09-29 | 2010-06-10 | Stephen James Bailey | Amphibious vehicle |
US20120310453A1 (en) * | 2006-03-20 | 2012-12-06 | Brooks James D | Method and computer software code for uncoupling power control of a distributed powered system from coupled power settings |
GB2531076A (en) * | 2014-10-10 | 2016-04-13 | Gibbs Tech Ltd | Amphibian |
US9669851B2 (en) | 2012-11-21 | 2017-06-06 | General Electric Company | Route examination system and method |
US9682716B2 (en) | 2012-11-21 | 2017-06-20 | General Electric Company | Route examining system and method |
US9689681B2 (en) | 2014-08-12 | 2017-06-27 | General Electric Company | System and method for vehicle operation |
US9733625B2 (en) | 2006-03-20 | 2017-08-15 | General Electric Company | Trip optimization system and method for a train |
US9828010B2 (en) | 2006-03-20 | 2017-11-28 | General Electric Company | System, method and computer software code for determining a mission plan for a powered system using signal aspect information |
US9834237B2 (en) | 2012-11-21 | 2017-12-05 | General Electric Company | Route examining system and method |
US9950722B2 (en) | 2003-01-06 | 2018-04-24 | General Electric Company | System and method for vehicle control |
US10308265B2 (en) | 2006-03-20 | 2019-06-04 | Ge Global Sourcing Llc | Vehicle control system and method |
US10569792B2 (en) | 2006-03-20 | 2020-02-25 | General Electric Company | Vehicle control system and method |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2441518A (en) | 2006-08-24 | 2008-03-12 | Gibbs Tech Ltd | An amphibian vehicle having two front wheels and a single rear wheel |
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- 2006-10-23 EP EP06794866.1A patent/EP1937497B1/en not_active Not-in-force
- 2006-10-23 KR KR1020087010407A patent/KR20080063376A/en not_active Application Discontinuation
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Also Published As
Publication number | Publication date |
---|---|
US7207851B1 (en) | 2007-04-24 |
WO2007045909A2 (en) | 2007-04-26 |
CN101389498B (en) | 2016-03-16 |
EP1937497A2 (en) | 2008-07-02 |
CN101389498A (en) | 2009-03-18 |
EP1937497B1 (en) | 2014-09-10 |
WO2007045909A3 (en) | 2008-10-30 |
CA2625703C (en) | 2015-12-15 |
CA2625703A1 (en) | 2007-04-26 |
KR20080063376A (en) | 2008-07-03 |
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