Water Jet Free Patent Search

  • Mixed-flow type water jet pump of watercraft and attaching structure thereof

    Water Jet Abstract A mixed-flow type water jet pump having configured so that a tip clearance between an inner wall of a pump casing and an outer peripheral edge of an impeller can easily be adjusted, and which can easily be mounted on a watercraft....

  • Impeller for water jet pump of watercraft

    Water Jet Abstract An impeller for a water jet pump of a watercraft having a structure so as to enhance pump efficiency, and to reduce manufacturing cost having a tip portion configured to be fixed to a propeller shaft for being rotated integrally wi...

  • Shift and steering control system for water jet apparatus

    Water Jet Abstract A water jet apparatus mounted to a horizontal hull section and having a shift and steering control assembly which penetrates a hole in that hull section. The shift and steering control assembly has a modular lever and shaft subasse...

  • Water jet for dermatological treatment

    Water Jet Abstract A system for the removal of epidermal and dermal skin through the use of a pressurized stream of water. The surgeon chooses the pressure of the water to obtain the desired abrasive affect. In one embodiment of the invention, a beni...

  • Water jet propulsion apparatus with inboard mounted power source

    Water Jet Abstract A boat or other water craft having an inboard engine, an outboard pump jet apparatus and a transom plate on which the pump jet apparatus is pivotably mounted. The boat hull bottom has a water tunnel formed therein, the transom plat...

  • Water jet propulsion type outboard motor

    Water Jet Abstract A water jet propelling type outboard motor (1) is provided with a casing member (50), a frame (10), a motor (11), a gear case (13), a vertical driving shaft (12), a horizontal following shaft (14), a power transmission mechanism (1...

  • Bearing arrangement for drive shaft of water jet apparatus

    Water Jet Abstract A water jet apparatus having a single drive shaft rotatably supported by a pair of bearings installed in an inlet housing. The impeller is securely mounted on a splined end of the drive shaft which extends out of the inlet housing...

  • Water jet propulsion unit with means for varying area of nozzle outlet

    Water Jet Abstract A water jet apparatus for propelling a boat. The water jet apparatus has a mechanism for adjusting the size of the outlet of the exit nozzle. The size of the outlet is increased to provide initial thrust and decreased for high spee...

  • Articulating nozzle assembly for water jet apparatus

    Water Jet Abstract A water jet propulsion unit having an articulating exit nozzle assembly which serves as both a thrust nozzle and a steering nozzle. The assembly includes a flow-through inner housing or duct having a flanged portion with an inlet a...

  • Method for cutting metal bodies with a water jet

    Water Jet Abstract A method of cutting a body made of a metal or metal alloy which comprises heating the body to or drawing cutting to a temperature at least equal to 200.degree. C. The metal body can be a continuously cast steel slab. Water Jet Clai...

  • Water-jet assisted drum-type mining system

    Water Jet Abstract A drum-type miner having a plurality of water jet nozzles which cut independently of the mechanical bits is disclosed. The drum-type miner may configured in either a hard-head or a ripper-chain design. The unique combination of mec...

  • Water jet reversing propulsion and directional controls for automated swimming pool cleaners

    Water Jet Abstract A pool or tank cleaner that is propelled by means of one or more water jets is directed in one or more predetermined systematic scanning patterns of either straight, curvilinear, or combinations of both, by an apparatus and method...

  • Water jet propulsion unit for use in water borne craft

    Water Jet Abstract A water jet propulsion unit for water borne craft including two contra rotating impellers, located in an upstream pump housing and a downstream pump housing respectively, and mounted on coaxial shafts. A pressure control priming de...

  • Water jet peening apparatus

    Water Jet Abstract A water jet peening apparatus which can carry out an efficient peening work on a large-diameter cylindrical structure by injecting a jet stream which contains air bubbles caused by cavitation at a low angle of incidence is provided...

  • Water jet propulsion system having reverse gate optimized for braking

    Water Jet Abstract A water jet apparatus for a boat has a reverse gate optimized for braking. The reverse gate has a pair of flow-reversing passages for providing reverse thrust when the reverse gate is deployed and a lateral steering passage for dir...

  • Water jet propulsion unit with retractable rudder

    Water Jet Abstract A jet-powered watercraft has a water jet propulsion unit driven by a powerhead and a rudder pivotably mounted to the water jet propulsion unit. The rudder is pivotable between a retracted position, where the rudder extends out of t...

  • System and method for removing cataract or other cells in an eye using water jet and suction

    Water Jet Abstract A system and method for removing cataract cells inside of an eye having a heated inflatable brushing device adapted to pass through an incision in the lens capsule, the brush being inflated with a heated fluid after passing through...