Abstract: A vehicle which includes a lower chassis section including a means for rollably supporting the vehicle's weight on land, and a means for hydrodynamically supporting the vehicles weight on water, an upper passenger compartment section including a passenger compartment for housing at least one passenger and a frame for attaching drive line components thereto; a suspension section sandwiched between said passenger compartment and said chassis section, said suspension section including suspension elements for absorbing and smoothing bumps and irregularities encountered on road surfaces wherein said suspension elements include gas filled cushions extending around the periphery of said vehicle, wherein said cushions being disposed between said passenger compartment and said chassis section.

Abstract: The present invention relates to a system to float an automobile on water. The system comprises holder assemblies, a detecting sensor, a pneumatic system, envelopes, a propulsive system, and a steering system. The holder assemblies are fixed on the beams of the automobile. The pneumatic system is connected to air inlets of the envelopes with pipes and to a battery with a circuit. The envelopes are fixed at the holder assemblies. When the pneumatic system operates, the envelopes expand to float the automobile on water. The detecting sensor connects to the pneumatic system, the battery, and a first switch with circuits. The propulsive system connects to the battery and a second switch with circuits. The steering system comprises two steering boards that are fixed on fellies of the automobile.

Abstract: Power train for amphibious vehicle comprises engine aligned with longitudinal vehicle axis, transmission, and power take off mounted between engine and transmission. At least one marine propulsion unit mounted at the rear of the vehicle, is driven by shaft which runs alongside the transmission. Either transmission is offset to axis, and marine propulsion unit is on axis; or transmission is on axis, and the marine propulsion units are offset to axis. The driven road wheels may be the front wheels, the rear wheels, or all four. The engine may be at the front of the vehicle and the transmission at the back. Alternatively, the transmission may drive forward to a differential mounted adjacent to the engine sump, with wheel drive shaft passing through said pump.

Abstract: A steering system for amphibious vehicle includes a control connected to road steering means. Ram is conventionally used to assist road steering, but by disconnecting command valves, it becomes a hydraulic master cylinder, driving slave cylinder; and thus marine steering means. Valves and hydraulic reservoir enable the marine steering to be disconnected from road steering. The marine steering means may be center biased by springs. A sensor and control means may synchronize center positions of road and marine steering. The valve and port layout may also achieve this goal. Alternatively, power steering in road mode may be maintained by fitting a master cylinder in parallel or in series with steering means; and may have hydraulic, electro-hydraulic, electric, or magnetic assistance.

Abstract: An apparatus that can be bolted to the transom of a vehicle, comprising in combination a central box, which is open on at least the part of the surface that faces the transom of the vehicle and forms an extension for increasing the carrying volume and the buoyancy. Two lateral elements, for flotation and support of hydraulic propulsion motors with ducted propeller, are connected to the central box and contain respective fuel tanks and reservoirs for the motor actuation fluid, and there are ducts that end on the surface that faces the transom of the vehicle and are preset for the output, return and drainage connections of the motors.

Abstract: An amphibious vehicle power train has an engine with crankshaft and solid or fluid flywheel; a transmission arranged in line with the crankshaft, with an input shaft driven from the flywheel; and a power take off for driving shafts and marine propulsion means. The power take off has a driving sprocket attached to the crankshaft, a chain or belt, and a driven sprocket. Bevel gears are provided to convert transverse engine crankshaft rotation to longitudinal marine drive.

Abstract: An amphibious vehicle for land and water use comprises a main mono hull section and a pair of port and starboard sponsons which are movable from a stowed position under a main vehicle deck adjacent to the mono hull and a fully deployed position in which the sponsons are spaced apart from the mono hull by at least one hull width. The sponsons are each pivotally connected to the main hull by means of a pair of respective arms which together with the sponson and the hull define a parallel type four bar linkage. The sponsons stabilise the vehicle on water and are readily stowed to allow vehicle mobility on land.

Abstract: Amphibious vehicle (40, FIG. 7) comprises engine (2) with its crankshaft aligned with front and rear axis (X) of the vehicle; transmission (3); and differential (4) offset from the transmission. The differential has front and rear outputs (21, 16), whose axes are parallel to axis (X). These outputs drive at least one retractable front road wheel (42, FIG. 7) ahead of the front passenger seats, and corresponding retractable rear road wheel(s) (48, FIG. 7) behind the rear passenger seats. The marine drive power take off (PTO) may be taken from the engine timing end (7), as a sandwich PTO between engine and transmissions (28, FIG. 5), or from the transmission (38, FIG. 6). Front and rear differentials (22 and 17) may be provided. Decouplers may be provided in front and rear road wheel outputs, and in the marine drive (10). The engine may be mounted to the rear of the passenger seat(s).

Abstract: A steering system for amphibious vehicle (100) comprises control (144) connected to road steering means (126). Ram (134) is conventionally used to assist road steering, but by disconnecting command valves (165), it becomes a hydraulic master cylinder, driving slave cylinder (148); and thus marine steering means (121). V represents a layout of valves and hydraulic reservoir enabling marine steering to be disconnected from road steering. The marine steering means may be centre biased by springs. A sensor and control means may synchronize centre positions of road and marine steering. The valve and port layout of FIG. 4 may also achieve this goal. Alternatively, power steering in road mode may be maintained by fitting a master cylinder in parallel or in series with steering means (126); and may have hydraulic, electro-hydraulic, electric, or magnetic assistance.

Abstract: Amphibious vehicle power train 10 comprises a prime mover 12, transfer drive 14, transmission 16, and differential 17. A marine drive power take-off (PTO) comprises chain, belt, or gear drive, and optional decoupler 22. Rotational axis 65 of marine drive shaft 64 and impeller shaft 66 of centrifugal pump 68 are substantially perpendicular to longitudinal vehicle axis 11. The driven road wheels may be the rear wheels. Alternative embodiments comprise PTO drive from differential 17 (FIG. 3); from the crankshaft timing end (80, FIG. 4); or by a sandwich PTO between engine and transmission (56, FIG. 5). FIG. 6 shows PTO's from the gearbox of a motorcycle type power train, driving centrifugal pump 102 and differential 90. At least one further decoupler may be provided in wheel driveshafts 23, 25, to disconnect drive thereto while the amphibian is used in marine mode. The prime mover 12 may be an engine or may be an electric motor.

Abstract: A sea-land-sky craft capable of navigating on the water, running on the land and flying in the air (that is, climbing vertically, flying horizontally and hovering in the air) usable in a new transportation system 1. The sea-land-sky craft comprises rotating wings rotatable in opposite directions on their centers. Mounting shafts are disposed at positions eccentric to the centers of the rotating wings and mount the rotating wings so that the orientation of the rotating wings can be turned. A cylindrical duct encloses the outer circumferences of the maximum diameters of the rotations of the rotating wings. A fuselage is located at a central portion of the craft. Movable struts are provided for connecting the cylindrical duct and the fuselage. In the sea-land-sky craft, the cylindrical duct is deformed into a fixed wing by the actions of the movable struts.

Abstract: Power train for an amphibious vehicle has an engine aligned with vehicle axis. The crankshaft drives optional flexible coupling, shaft, and optional decoupler. Drive shaft drives marine propulsion means, which may be a water jet drive or a screw propeller. Shaft also drives bevel gear, which drives transmission through bevel gear and input shaft. Hence, transmission is mounted transversely, and perpendicular to the engine. The bevel gears, coupling and decoupler are contained in a casing. Transmission drives road wheels through integral differential, drive shafts, and relay shaft. Transmission may be manual, sequential change manual, automated manual, automatic, or continuously variable transmission. The engine may be offset to the vehicle center line.

Abstract: An amphibious vehicle having an open seating arrangement includes one driving engine for reciprocally or simultaneously powering an all-wheel-drive travel drive and a swim drive, constructed as jet drive, with the aid of at least two clutches which are independent of one another, the driving engine being arranged essentially in the center between the axles of the travel drive below the seating arrangement.

Abstract: A vehicle which includes a lower chassis section including a means for rollably supporting the vehicle's weight on land, and a means for hydrodynamically supporting the vehicles weight on water, an upper passenger compartment section including a passenger compartment for housing at least one passenger and a frame for attaching drive line components thereto; a suspension section sandwiched between said passenger compartment and said chassis section, said suspension section including suspension elements for absorbing and smoothing bumps and irregularities encountered on road surfaces wherein said suspension elements include gas filled cushions extending around the periphery of said vehicle, wherein said cushions being disposed between said passenger compartment and said chassis section.

Abstract: A drive train for an amphibious vehicle provided with a propellor disengaging mechanism aft of the transfer case, thus allowing the output drive shafts to be continuously driven at all times. The drive train includes a motor attached to a transmission which is attached to a transfer case. The attachments are accomplished by rotatably coupled drive shafts. The drive train transfers rotational movement from the motor to the transmission, then to a transfer case where it is output to the various drive shafts enabling the vehicle to be propelled on land and in water.

Abstract: An amphibious vehicle comprising: a chassis (10), which has a hull-like structure and comprises supporting wheels (11) and driving wheels (13-14) for tracks (12) of the rubber-clad type, a fore buoyancy reserve (21) and an aft buoyancy reserve (22) which are obtained by means of a corresponding fore element (21′) and aft element (22′) which are permanently applied by means of watertight welds (CS) to the chassis. A power plant (MP) comprises an internal-combustion engine and two hydraulic pumps (41′-41″) which, by virtue of corresponding delivery circuits (42′-42″), feed first hydraulic motors (44′-44″) for simultaneous or selective driving of tracks for propulsion and steering on land and second hydraulic motors (45′-45″) for simultaneous or selective rotation of hydrodynamic propulsion and steering propellers.

Abstract: Power train for amphibious vehicle has an engine aligned with longitudinal vehicle axis, transmission, and power take off mounted between engine and transmission. At least one marine propulsion unit mounted at the rear of the vehicle, is driven by shaft, which runs alongside the transmission. Either transmission is offset to axis, and marine propulsion unit is on axis; or transmission is on axis, and the marine propulsion unit(s) are offset to axis. The driven road wheels may be the front wheels, the rear wheels, or all four. The engine may be at the front of the vehicle and the transmission at the back. Alternatively, the transmission may drive forward to a differential mounted adjacent to the engine sump, with wheel drive shaft passing through said pump.

Abstract: Power train (20) or an amphibious vehicle comprises engine (8), transmission (9), and transfer case (13) position in-line with longitudinal vehicle axis (A), (FIG. 2), towards the rear of the vehicle, with transmission output (11) facing the front of the vehicle. The transfer drive drives the rear wheels via propeller shaft (15), which extends adjacent the engine to rear differential (6). A marine drive PTO (power take off) may be taken from a shaft from the transfer case (37), (FIGS. 6 to 10), from the propeller shaft (15) (FIG. 4), or from engine crankshaft pulley (2). Marine drive shaft (3) (FIGS. 6 to 10) may run below the engine, or alongside it, on the opposite side of the engine from propeller shaft (15). Decouplers (4, 24, 26; 38, 40, 41) may be provided to the PTO drive, to at least one rear wheel, and on the optional front axle propeller shaft (16).

Abstract: A drive train for an amphibious vehicle provided with a propellor disengaging mechanism aft of the transfer case, thus allowing the output drive shafts to be continuously driven at all times. The drive train includes a motor attached to a transmission which is attached to a transfer case. The attachments are accomplished by rotatably coupled drive shafts. The drive train transfers rotational movement from the motor to the transmission, then to a transfer case where it is output to the various drive shafts enabling the vehicle to be propelled on land and in water.

Abstract: A utility vehicle integrated a motorcycle and a motorized watercraft within a hull is presented. It can be set in a motorcycle status or a motorized watercraft status. The two statuses of the vehicle shares a driving power source, and a driving power shifting control system is used to shift the driving power to either one of the two statuses with rider's choice. A steering system also is used to control the move directions for both the motorcycle status and the motorized watercraft status. The hull of the vehicle is formed by a front hull with a front wheel cabinet and a rear hull with a rear wheel cabinet, and it is sealed to make the vehicle buoy on the water surfaces as a motorized watercraft. The wheels of the vehicle can be pushed out with the open of the wheel cabinet doors to stand as a conventional motorcycle, or can be pulled back and hide in the wheel cabinets with the close of the wheel cabinet doors.

Abstract: An amphibious vehicle having a hull that includes a pod formed in the bottom of the hull for receiving the engine and drive train. The pod is concave down with respect to the balance of the hull. Foam filled compartments formed lateral to the pod assure buoyancy and stability. Truck engine, transmission, suspension and control system components are carried by the hull and used to move the amphibious vehicle on land and, using the power take off of the engine to drive a marine propulsion system, on water as well. A first drive shaft, turned by the engine, extends through the hull to connect operatively with an axle and rotate front and rear sets of wheels. A second drive shaft runs from the engine through the hull wall to the marine propulsion system.

Abstract: Amphibious vehicle power train 10 comprises a prime mover 12, transfer drive 14, transmission 16, and differential 17. A marine drive power take-off (PTO) comprises chain, belt, or gear drive, and optional decoupler 22. Rotational axis 65 of marine drive shaft 64 and impeller shaft 66 of centrifugal pump 68 are substantially perpendicular to longitudinal vehicle axis 11. The driven road wheels may be the rear wheels. Alternative embodiments comprise PTO drive from differential 17 (FIG. 3); from the crankshaft timing end (80, FIG. 4); or by a sandwich PTO between engine and transmission (56, FIG. 5). FIG. 6 shows PTO's from the gearbox of a motorcycle type power train, driving centrifugal pump 102 and differential 90. At least one further decoupler may be provided in wheel driveshafts 23, 25, to disconnect drive thereto while the amphibian is used in marine mode. The prime mover 12 may be an engine or may be an electric motor.

Abstract: The invention relates to a machine for performing work on land and/or in water, which comprises an underframe which moves on wheels or corresponding mechanism, a platform body on top of the underframe, and extension arm attached to the underframe which rotates in relation to the underframe and platform body and a work implement attached to the extension arm. A machine according to the invention has an extension arm which is a telescopic extension arm, to the end of which detachable work implements may be attached, a platfrom body which is attached to the underframe and can move along the longitude of the underframe, and a front edge on the platform body which is essentially open to enable loading and unloading.