Matches 1 - 50 out of 76 1 2 >


Match Document Document Title
8007328 Self-contained hydraulic thruster for vessel  
A self-contained hydraulic thruster for vessel. A power pack is mounted on a forward end of a base, and a helm platform is mounted on an aft end of the base at a substantial height above the base....
7985108 Modular diesel hydraulic thurster system for dynamically positioning semi submersibles  
A removable retractable externally mountable dynamic positioning self contained diesel hydraulic thruster system for a floating semi-submersible vessel having a hull with a ballasted waterline, a...
7942710 Amphibious all-terrain vehicle  
An amphibious, all-terrain vehicle utilizing a pair of hydrostatic pumps to independently provide power to hydraulic drive mechanisms of the left and right side of the vehicle respectively. The...
7896716 Hydraulic saildrive apparatus  
The subject invention provides a hydraulic saildrive apparatus comprising an upper unit 103 having an input shaft 1 connected to an engine 102 inside a boat, and a lower unit 104 having an output...
7883384 Self-contained hydraulic thruster for vessel  
A self-contained hydraulic thruster for vessel. The hydraulic thruster incorporates a lower unit housing tiltably attached to a lower unit mounting tube attached to a base, a tube whose upper end...
7833071 Amphibious all-terrain vehicle  
An amphibious, all-terrain vehicle utilizing a pair of hydrostatic pumps to independently provide power to hydraulic drive mechanisms of the left and right side of the vehicle respectively. The...
7669542 Convertible top for yacht  
A retractable convertible top for a pleasure craft, including a canvas type fabric and stowable linkage mechanism, is described. This convertible top may be fully deployed and retracted...
7654875 Self-contained hydraulic thruster for vessel  
A self-contained hydraulic thruster for vessel. The hydraulic thruster incorporates an elevated helm platform mounted to a base having reinforced base feet, and a hydraulic fluid reservoir mounted...
7284495 Shaftless radial vane rotary device and a marine propulsion system using the device  
A radial vane fluid motor or pump has an open ended tubular rotor having a cylindrical outer surface rotatably mounted in a tubular stator having its inner surface contoured to provide successive...
7168997 Boat propulsion system  
A boat propulsion system interposed between a prime mover and a propeller shaft comprises a hydro-mechanical transmission including a hydrostatic transmission part and a gear transmission part. The...
7055447 Dynamic positioning and motion control during cargo transfer operations  
A system and method providing a portable, floatable vessel for controlling the absolute position and relative position and the motion of a floating craft using a small water plane area, high...
6799528 Portable dynamic positioning system with self-contained diesel hydraulic thrusters  
The integrated and self contained diesel hydraulic thruster system integral has a dynamic positioning control system for dynamic positioning of any waterborne vessel having a hull with at least two...
6547610 Parallel-operated hydraulic motor type stern propulsion apparatus for boats and hydraulic system for controlling the same  
Disclosed herewith is a parallel-operated motor type stern propulsion apparatus for boats and hydraulic system. The stern propulsion apparatus includes a transom box disposed at the stern of a...
6099367 Hydrostatic propulsion system for a marine vessel  
A hydrostatic marine propulsion system is provided with a valve that is able to bypass an infinitely variable amount of hydraulic fluid from a hydrostatic pump to bypass a hydrostatic motor which...
5993273 Amphibious all terrain vehicle  
An improved amphibious all terrain vehicle having a subtantially rectangular body or shell and is constructed of a light-weight durable metallic material. A combustion gas engine is coupled to a...
5879207 Single engine dual propeller water craft  
A water craft having a single engine and at least one pump that together cause two propellers to rotate independently. The pump pumps fluid to two valves: a first valve that controls a first...
5813887 Marine propulsion system  
In prior stern drive marine propulsion systems, power is transmitted through an arrangement of clutches, bevel gears and shafts to the propeller located below the water surface. This restricts the...
5722864 Marine propulsion system  
A marine propulsion system comprised of a housing unit having forward and rearward openings, a rotational unit, having forward and rearward openings and having an inner and outer periphery,...
5688151 Collapsible boat powered by a land vehicle  
A trailer/boat is provided which is capable of being towed behind a recreation vehicle or the like, and then prepared without special equipment and launched in a manner capable of receiving the...
5634419 Front-drive boat  
A watercraft having its propulsion machinery near the bow. The hull of the craft has a single, tapered bow section, with a drive pod under the center of the bow. The bow section is tapered up into...
5476400 Hydraulic power system for a boat  
An hydraulic power system for a boat comprising a marine thruster assembly. A structure is for mounting the marine thruster assembly to an exterior surface of a transom on the boat. A first...
5392871 Amphibious vehicle and control  
An amphibious vehicle having a hull and pair of multiple-flighted outriggers which coact to stabilize and propel the vehicle over land and water. The speed and direction of the vehicle is...
5383801 Hollow jet thruster device  
A device for producing thrust from a flow of accelerated fluid, including: a fluid accelerator (1) fitted with drive vanes (5) and rotated inside a stator (10) about an axis of revolution; a...
5203274 Amphibious vehicle  
A buoyant boat hull of an amphibious vehicle has concave, quarter cylinder recesses along the sides down from the waterline, such recesses receiving the upper inboard quadrants of helical augers....
5193475 Thrust expansion engine  
Break-up activity of water by injection of hot propellant gas into channels f a thrust expansion engine is suppressed to prevent rapid cooling of the gas, utilizing one or more methods including...
5181478 Amphibious vehicle with retractable wheels  
An amphibious vehicle with retractable wheels that revolves through the sides of hull between a retracted position inside an enclosure and a ground engaging position. The vehicle has three wheels...
5016553 Vector steering control system  
The device comprises a thruster assembly which consists of a housing, thruster motor, thruster propeller, and thruster motor control device. When integrated into a stern mounted main drive, the...
4887984 Marine transmission with fluid coupler  
A fluid coupling is provided in a marine drive between the engine and the propulsion unit. The fluid coupling includes a fluid pump connected to the flywheel of the engine, and a turbine connected...
4878864 Outboard thruster with direct drive hydraulic motor  
In accordance with an illustrative embodiment of the present invention, a new and improved compass-type, retractable marine thruster apparatus comprises a housing pivotally mounted on a base that...
4871332 Naval propulsion plant with hydraulic transmission  
A naval propulsion plant that provides a pair of heat engines MT1 and MT2 that drive two independent pumps P1 and P2. In turn these pumps drive two hydraulic motors MR1 and MR2 with which two...
4842560 Wave powered propulsion system for watercraft  
A watercraft is provided with a propulsion system having a hydraulic power plant driving a propeller through a transmission. The power to operate hydraulic pumps in the power plant is derived from...
4789364 Displacement apparatus for submerged cleaner  
Submersible displacement apparatus 10 for periodically displacing a submersible suction cleaner connected to a suction source by a suction hose is disclosed. The apparatus 10 comprises a body 11...
4641599 Speed maneuvering water craft and controls  
A highly maneuverable water craft for recreational enthusiasts with two hydraulically controlled and driven reversible propellers directionally fixed to a toroidal peripheral hull section which...
4424041 Trolling drive means for boats  
A boat is disclosed having a conventional inboard motor operatively connected to a primary propeller on the exterior of the boat. A hydraulic motor is operatively connected to the boat in the...
4412500 Drive mechanism for ships or the like comprising a main propeller and an auxiliary mechanism  
A drive mechanism for ships or the like having at least one main propeller or the like drivable by at least one main motor and further having at least one drivable auxiliary mechanism, for example...
4358280 Device for rotationally driving and steering a screw-rudder of a floating vehicle  
The screw of a screw-rudder propulsion assembly for a floating vehicle is suspended on the end of a steering shaft which is housed in a tubular casing which is supported on the vehicle. The shaft...
4316722 Propulsion system for submarine  
A low noise level, rapidly reversible propulsion system for a submarine or other vessel comprises a non-reversible adjustable speed prime mover, a reversible drive mechanism driven by the prime...
4273543 Emergency marine propulsion using existing propeller shaft  
The present invention pertains to an emergency propulsion system for both motor powered and sailing vessels which have a single propeller shaft. This emergency system may be used with inboard...
4220110 Underwater propulsion unit  
A self-contained unit for underwater propulsion, for use with scuba tanks. The unit comprises an hydraulic motor which uses a special air compressor oil as an hydraulic fluid and uses the breathing...
4200055 Trolling driving means for boat  
This invention relates to a trolling propeller in connection with an inboard-outboard type of boat in which the improvement consists of mounting the trolling propeller onto the main propeller...
4051679 Marine propulsion plant with reversible propeller shaft connected thereto  
When reversing a marine power plant, due consideration must be given to the fact that the inertia of the ship will continue to force the ship through the water during a moment of time after the...
4050849 Hydrodynamic transmission for ship propulsion  
The present invention relates to a hydrodynamic transmission for ship propulsion comprising a prime mover driving an axial flow pump in combination with an open, water-powered turbine for driving...
3987748 Marine vessel adapted to be powered and steered by a transported land vehicle  
A marine vessel that is constructed and arranged so that it can accommodate an automobile or other motor vehicle and can simply and efficiently utilize the power drive and steering mechanisms of...
3983833 Hydraulically controlled fluidstream driven waterborn vehicle  
An air, water, or land vehicle has a body adapted to travel in a normal direction of travel and having a pair of forwardly directed propellers symmetrically spaced to each side of the centerline of...
3973392 Pressure propellant generating system  
A pressure propellant generating system for a power plant in a submarine vehicle, said propellant including a sea water component, the pressure of which can be regulated so as to vary the output of...
3951097 Hydraulic motor or pump  
A hydraulic motor or pump constituted by an inner and outer helical gear pair. The outer member of the pair is secured to one of the sections of at least one water swivel, and the inner member is...
3901177 Marine propulsion apparatus  
A propulsion system for a boat is hydraulically driven and has a propeller close-coupled to an immersible hydraulic motor unit, the motor unit being carried on a support enabling the motor unit to...
3847107 HYDRAULIC MARINE PROPULSION AND GUIDANCE SYSTEM  
A hydraulic propulsion and guidance system for a marine vessel consisting of a fluid pressure generating system and a helm pressure generating unit located within the vessel, a tilting fluid...
3838654 SUBMARINE CRAFT  
A submarine craft with hydraulic energy transmission system which receives its energy from a converter which converts electrical energy to hydraulic energy. The hydraulic energy is subsequently...
3831546 PORTABLE SWIMMER PROPULSION UNIT  
A portable swimmer propulsion unit including a vane type gas motor driving shrouded screw. A positive expulsion, boot strap, hydrazine feed system supplies hydrazine to a hydrazine decomposition...
Matches 1 - 50 out of 76 1 2 >