Abstract: A nozzle assembly comprises a hollow nozzle body having a central bore and a plurality of ports extending through the body from the central bore; and a switching valve assembly disposed in the central bore that directs fluid flow to ports upon application of fluid flow above a predetermined threshold to the inlet and directs fluid flow to different ports upon fluid flow having subsequently dropped below the predetermined threshold and then exceeding the predetermined threshold. The assembly comprises a cylindrical poppet slidably disposed within the central bore, a guide between the nozzle body and the poppet, and a biasing member within the cartridge case between the front portion of the nozzle body and the poppet urging the poppet away from the front portion of the cartridge case.

Abstract: A toy water gun for water streaming and spraying comprising a piston type water gun, a nozzle, an adjustment sleeve and a position adjustment mechanism. The water gun comprises a cylinder, a piston fitted in a cavity of the cylinder, a pump rod connected to the piston, a handle disposed on the pump rod, and a water duct mounted on and communicating with the cylinder. The nozzle is mounted on the water duct, rear and front ends of the nozzle are disposed with a water inlet and a water outlet respectively, and the water inlet communicates with the water duct. The adjustment sleeve is sleeved on the nozzle, an inner side wall of the adjustment sleeve makes sealing contact with an outer side wall of the nozzle, the adjustment sleeve is disposed with a sealing plate having a water jet hole located right in front of the water outlet.

Abstract: An anti-sinking and anti-fire safety system for boats includes inflatable devices, is installed in a first deflated configuration and assumes a second irreversibly inflated configuration, with a volume considerably greater than the first deflated configuration. Each inflatable device is connected to at least one dispenser expanding a predetermined quantity of non-inflammable foam within the corresponding inflatable device to assume the desired volume in the second inflated configuration. Each dispenser is connected to an activator to activate the corresponding dispenser by remote control of the user, sent by a control system. The emergency system also includes dispensers, connected to the activator expanding non-inflammable foam between the free spaces present between the inflatable devices already inflated, and in any other fire risk space. The non-inflammable foam sublimates after a known time. The control system includes a processor and a communication interface.

Abstract: By injecting a chemical fluid and a carrier fluid directly at each nozzle, and by then mixing the fluids at each nozzle to produce a mixed fluid, an improved spray system may be provided which does not contaminate the tank or distribution system with chemical fluid and which allows improved spraying with minimal delay. Accordingly, a system is provided on a field sprayer for independently controlling the flow rate of concentrated chemical fluid to individual spray nozzles using a high pressure chemical distribution rail or loop routed to each nozzle and solenoid injection valves to control the flow of chemical fluid to each nozzle independently.

Abstract: An apparatus and method are provided for removably mounting an agricultural product sprayer, having at least one foldable boom, on an agricultural product applicator having a chassis adapted for removably receiving the agricultural product sprayer, by attaching the foldable boom to a skid adapted for operative, removable mounting on the applicator chassis. The skid further has a boom cradle adapted for supporting the foldable boom in a folded position when the skid is mounted on the chassis, and when the skid is separated from the chassis of the agricultural applicator. The boom cradle is selectively movable between an inboard and an outboard position of the cradle to facilitate operation of the product applicator, and also to facilitate mounting the sprayer on, and removing the sprayer from the chassis of the applicator.

Abstract: The present invention provides a fire extinguishing system capable of reliably carrying out initial fire fighting using a limited fire extinguisher even if a protected area is wide for example.

Abstract: A fuel injection valve includes: a coil that is configured to generate a magnetic flux when the coil is energized; a stationary core that is configured to become a passage of the magnetic flux; a movable core that is configured to be attracted to the stationary core when the movable core becomes a passage of the magnetic flux; and a magnetic-flux limiting portion that is displaced from the stationary core in an axial direction while a degree of magnetism of the magnetic-flux limiting portion is lower than a degree of magnetism of the stationary core. A boundary between the stationary core and the magnetic-flux limiting portion is defined as a limiting boundary, and an imaginary extension line, which is formed by extending the limiting boundary toward the movable core, is defined as a boundary extension line. The limiting boundary is tilted relative to the axial direction.

Abstract: A fuel injection valve configured to inject fuel from an injection hole includes: a coil that is configured to generate a magnetic flux when the coil is energized; a stationary core that forms a portion of a flow passage, which is configured to conduct the fuel to the injection hole, wherein the stationary core is configured to become a passage of the magnetic flux; a movable core that is configured to be attracted toward the stationary core when the movable core becomes a passage of the magnetic flux; a passage forming portion that is placed on a downstream side of the stationary core and forms a portion of the flow passage; and a covering portion that covers a stationary boundary, which is a boundary between the passage forming portion and the stationary core, from a flow passage side of the stationary boundary where the flow passage is located.

Abstract: An improved underground sprinkler system having pop-up sprinklers installed within specifically arranged underground trenches. The kit comprises a flow control member that attaches to the water faucet can be manually or automatically switched between water zones where the underground sprinkler are placed.

Abstract: A method of actuating a double-action pump assembly with a reciprocating plunger includes signaling the reciprocating plunger to stop for a changeover period; while the pump is stopping, signaling the first inlet and outlet valves to close; while the first inlet and outlet valves are closing, signaling the second inlet and outlet valves to open, such that the second inlet and outlet valves begin to mechanically open at least a dwell period after the first inlet and outlet valves have entirely closed; and signaling the reciprocating plunger to begin moving while the second inlet and outlet valves are closing.

Abstract: A spray nozzle that includes a nozzle body defining a first surface, a cap defining a second surface able to define an annular nozzle opening therebetween, a turbine having a plurality of radially extending fins circumferentially positioned about the nozzle opening for directing the flow of fluid exiting the nozzle opening, and a reverser member including a cup portion positioned below the cap to intercept the flow of fluid from a flow passage of the cap. The reverser member coupled to the turbine such that the reverser member is caused to rotate in response to rotation of the turbine.

Abstract: A jetting dispenser includes an actuator with a piezoelectric unit that lengthens by a first distance in response to an applied voltage, and an amplifier operatively coupled to the piezoelectric unit. The amplifier includes first and second ends and the second end moves through a second distance, larger than the first distance under the applied voltage. First and second springs are positioned on opposite sides of the piezoelectric unit. The springs are coupled to the piezoelectric unit in a manner that maintains the piezoelectric unit under constant compression. A fluid body includes a movable shaft operatively coupled with the second end of the amplifier and includes a fluid bore and an outlet orifice. The movable shaft is moved by the second end of the amplifier under the applied voltage and jets an amount of fluid from the fluid bore through the outlet orifice.

Abstract: A system and method to spray fluid from a container at different mass flow rates is provided. The system includes an actuator rotatable to select a mass flow rate and a valve having dual orifices that are selectively unsealed when the actuator is depressed according to the mass flow rate selection to effect dispensing of fluid.

Abstract: A filter jet-director unit for a high-pressure nozzle for descaling metal products, having a housing, wherein the housing has an entry filter, a connector end for connecting to a nozzle, a flow duct between the entry filter and the connector end, and a jet director having flow-guiding faces in the flow duct. The flow-guiding faces of the jet director at least in portions are disposed in the region of the entry filter.

Abstract: A device for rotating a fluid inside a spray nozzle includes a body defining at least one helical slot and/or a helical hole for the passage of all or part of the fluid. This device can be secured to a spray nozzle or a needle valve closing the spray nozzle. An application device includes such a device for rotating a fluid inside a spray nozzle.

Abstract: The present invention provides a device that can generate a pulsatile flow or intermittent flow from a continuously flowing of the water tap by pressure of the water tap without using an electrical activation part. The device for generating a pulsatile fluid or intermittent fluid comprises an injection mechanism 110 for injecting fluid, which is a liquid or gas; an air cavity 120 which includes an airtight space, a draining portion 150 disposed in the lower part; an air intake ventilation hole 141 connected to the ventilation pass 140. The injection point of the injection mechanism 110 is around the air intake ventilation hole 141, and the injected flow is formed so that a part of the injected flow runs downward for covering the surface of the side wall in which the air intake ventilation hole 141 is included.

Abstract: The disclosure discloses a water outflow device, which comprises a shell, a movable plate and a driving mechanism. The shell is provided with a water outflow part comprising a water outlet, the water outlet comprises a first inner sidewall, the driving mechanism is connected to the movable plate to drive the movable plate to move repeatedly between a first position and a second position in a moving direction, a distance between the movable plate and the at least one water outlet when the movable plate is in the first position is less than the distance between the movable plate and the at least one water outlet when the movable plate is in the second position, the movable plate has at least one insertion part fixedly disposed on the movable plate, and the insertion part is at least partially inserted into the water outlet.

Abstract: A system includes a turbo pump that converts a compressed gas into power, and a storage tank configured to store the compressed gas. The system also includes a fire suppression control valve configured to be coupled between the storage tank and a cargo compartment of the aircraft and having a closed position in which the compressed gas is prevented from flowing to the cargo compartment and an open position in which the compressed gas flows to the cargo compartment to suppress a fire. The system also includes a pump control valve configured to be coupled between the turbo pump and the storage tank and having a closed position in which the compressed gas is prevented from flowing to the turbo pump and an open position in which the compressed gas flows to the turbo pump to cause the turbo pump to convert the compressed gas into the power.

Abstract: Fixed systems and method for extinguishing large scale industrial tank fires, with and without fixed roofs, and featuring aerated foam projecting nozzles and including fixed center directed nozzles.

Abstract: An air freshener includes a housing; scented beads contained within the housing; and a mounting clip for attaching the housing to a source of pressurized air. The housing has several air flow slots or openings and is rotatably coupled to the mounting clip so it can be rotated relative to the mounting clip and the air source to which it is attached to provide several “levels” of fragrance, including a “burst” of fragrance achieved by manually rotating the housing relative to the mounting clip to tumble and stir the scented beads in the housing.