Water Jet Free Patent Search

  • High pressure water jet protection

    Water Jet Abstract A two-structure composite for protection from high velocity water jets is provided and includes one structure of tightly woven aramid yarns impregnated by a resin matrix and one structure of nonwoven, bulked, material. Water Jet Cl...

  • Water jet propulsion device for marine vessel

    Water Jet Abstract A pump frame (7) is secured to a bottom (1b) of a ship in such a manner that a lower opening (19) is opened into water adjacent to a stern (1a) of the ship. A mixed flow pump (8) is secured to a frame (12) provided for the bottom (...

  • System for enhancing target damage by water jet impact

    Water Jet Abstract Different compositions of layers forming a non-homogeneous explosive charge are selected so as to produce in response to underwater detonation of s explosive charge a gas bubble having a corresponding internal density distribution...

  • Reverse propulsion and control means for water jet powered boats

    Water Jet Abstract A simple and efficient reverse propulsion and control means for water jet powered boats which includes a sliding water valve for controlling exhaust thrusters mounted around the peripheral of the boat and which is coordinated with...

  • Reed with doglegged blades for water jet loom and weaving method using the same

    Water Jet Abstract A reed attached to a water jet loom has reed blades each having an upper portion which is doglegged toward a cloth-fell relative to each lower portion, wherein each front edge of the doglegged reed blade facing the cloth-fell has a...

  • Rotary nozzle device for emitting a water jet

    Water Jet Abstract A rotary nozzle device containing an outer casing (5) having an internal chamber (10) with a liquid exit (11) and a lateral surface of revolution upstream of the exit (11), and a rotary nozzle (20) positioned within the internal ch...

  • Removal of dental caries with high speed water jet

    Water Jet Abstract A method and device for the high speed fluid (preferably water) jet removal of dental caries. The water jet is of a controlled upper and lower speed and pressure with a low speed and pressure being of at least 5 to 10 kpsi, suffici...

  • Water jet type air compressor system, its starting method, and water quality control method thereof

    Water Jet Abstract Upon starting instruction of a compressor before the compressor is started, a pressurized water jet line 20 is opened and pressurized water is jetted to the inside of the compressor. By this manner, a dry operation with rotors and...

  • Mounting structure for water jet pump of personal watercraft

    Water Jet Abstract A mounting structure for a water jet pump of a personal watercraft which includes a vertical wall 5 formed at the rear end of a water intake duct to form a pump mounting space 6, a pump bracket 8 fitted with an inlet of the water j...

  • Closure preventive device for water jet propulsion type outboard motor

    Water Jet Abstract A blockage preventing apparatus used for a water jet propulsion unit (2) is provided with a screen (6), springs (22), an engagement protrusion (21) and an engagement end portion (20a). The screen (6) is rotatably supported with res...

  • Water jet personal hygiene fixture for installation on a toilet bowl

    Water Jet Abstract A water jet personal hygiene fixture for installation on a toilet bowl, comprising hot and cold water control valves to produce warm water from existing pipes in a bathroom, a pivotally-mounted nozzle to produce a water jet, contro...

  • Water jet teeth cleaning apparatus

    Water Jet Abstract A jet water teeth cleaning apparatus comprises a shower head for releasably attaching the apparatus to the inlet pipe of a shower. A valve coupled to the shower head selectably diverts water through a flexible tube to a handheld un...

  • Water jet propulsion unit for use in water borne craft

    Water Jet Abstract A water jet propulsion unit suitable for use in outboard or stern-drive configuration in motor boats. The unit has an intake section, a pump section and a drive section within which is incorporated a pressure control device and noz...

  • Water jet propulsion system for watercraft

    Water Jet Abstract Water jet ejection nozzles (2, 3, 4) different in ejection bore diameter or controllable of ejection bore diameter are arranged in a vertically spacing manner and fluid paths connected to the ejection nozzles are provided with open...

  • Inlet structure for water jet apparatus mounted to boat hull

    Water Jet Abstract A marine craft has with an inlet ramp, which increases in height as the inlet ramp extends rearward, and a cavity which communicates at its front with the rear of the inlet ramp. The cavity is open at its bottom and its rear. The m...

  • Reverse gate for water jet apparatus

    Water Jet Abstract A water jet apparatus has a reverse gate which allows a boat or other marine craft to be steered in reverse in the same manner as an automobile. The reverse gate accomplishes this by reversing the flow exiting the steering nozzle....

  • Water jet propulsion unit with means for providing lateral thrust

    Water Jet Abstract A water jet apparatus having a mechanism for providing additional lateral thrust when a boat is moving in reverse. A steering nozzle is pivotably mounted at and in flow communication with the outlet of a flow-through housing, and h...