A safety valve is for controlling dispensing of a fluid flow from a conduit. A valve body forms an inlet opening of the fluid, an outlet opening of the fluid, and a main passageway for the fluid which fluidly connects the inlet opening to the outlet opening. At least one fluid relief opening fluidly communicates with the outlet opening through a valve seat. A shutter elastically cooperates with the valve seat to be biased by an elastic device to sealingly close the valve seat, and to open said seat when the pressure of the fluid in the outlet opening exceeds the force applied by said elastic device.

To prevent a height difference from being produced between a metal sheath and a paint layer formed on a vane surface of a vane body. A coating apparatus includes a jig adapted to support a guide vane equipped with a metal sheath for covering a leading edge portion; a nozzle adapted to spray paint onto a vane body; a robot adapted to move the nozzle; and a control unit adapted to control a spraying operation of the nozzle and robot. The jig includes a movable covering body adapted to separably cover the metal sheath and cover an exposed portion of adhesive between a lateral edge portion of the metal sheath and the vane surface of the vane body, and a covering body drive unit adapted to move the movable covering body between a state in which the movable covering body covers the metal sheath and a state in which the movable covering body is separated from the metal sheath while covering the metal sheath. The control unit performs control to make transition from a sheath cladding coating mode to a finish coating mode.

A refillable sprayer with explosion-proof effect has a first shell, a second shell, and a retaining ring. The first shell has a first body and a first mesh body. The first body is made of plastic. The first mesh body is made of metal, is covered by the first body, and has multiple first through holes. The second shell is detachably connected to the first shell and has a second body and a second mesh body. The second body is made of plastic. The second mesh body is made of metal, is covered by the second body, and has multiple second through holes. The retaining ring is made of metal and is sleeved on a connecting position where the second shell is connected to the first shell.

A refillable sprayer with explosion-proof effect has a first shell, a second shell, and a retaining ring. The first shell has a first body and a first mesh body. The first body is made of plastic. The first mesh body is made of metal, is covered by the first body, and has multiple first through holes. The second shell is detachably connected to the first shell and has a second body and a second mesh body. The second body is made of plastic. The second mesh body is made of metal, is covered by the second body, and has multiple second through holes. The retaining ring is made of metal and is sleeved on a connecting position where the second shell is connected to the first shell.

According to some embodiments, an oscillating sprinkler system is provided that includes: a central tubular portion having at least one row of flexible nozzles; a cam plate located inside a peripheral wall of said central tubular member, said cam plate having a plurality of cam slots for adjusting positions of said flexible nozzles upon rotation of said cam plate within said peripheral wall; and said peripheral wall including a window via which an edge of said cam plate is observable during rotation of said cam plate such as to designate an extent of angular displacement of the nozzles based on the positioning of the cam plate within the window.

A fluid nozzle includes a nozzle chip that includes a through hole having an inlet port from which a fluid supplied to the fluid nozzle is introduced and an outlet port from which the introduced fluid is ejected; and a base metal member that supports the nozzle chip embedded in a rear portion of the base metal member. The fluid nozzle receives the fluid supplied to the rear portion from the inlet port and ejects the fluid from the outlet port. An exposed portion of the base metal member is covered with a ceramic coating so that the base metal member does not touch the fluid.

Fluid dispersal systems and methods of controlling such systems are provided. A method for emitting a fluid from an aerial fluid dispersal system includes receiving data corresponding to an initial aerial distribution profile of fluid emitted by the aerial fluid dispersal system across a distribution width. The fluid is emitted through a plurality of individually controlled nozzle assemblies, and an emission rate of the fluid emitted from a respective nozzle assembly of the plurality of nozzle assemblies is based on an operating parameter of a valve assembly of the respective nozzle assembly. The method also includes determining an effect of the emission rate of each respective nozzle assembly on the initial aerial distribution profile of the fluid across the distribution width. The method also includes controlling the operating parameter of each respective valve assembly to adjust the emission rate of each respective nozzle assembly to generate a compensated distribution profile.

Fluid dispersal systems and methods of controlling such systems are provided. A method for emitting a fluid from an aerial fluid dispersal system includes receiving data corresponding to an initial aerial distribution profile of fluid emitted by the aerial fluid dispersal system across a distribution width. The fluid is emitted through a plurality of individually controlled nozzle assemblies, and an emission rate of the fluid emitted from a respective nozzle assembly of the plurality of nozzle assemblies is based on an operating parameter of a valve assembly of the respective nozzle assembly. The method also includes determining an effect of the emission rate of each respective nozzle assembly on the initial aerial distribution profile of the fluid across the distribution width. The method also includes controlling the operating parameter of each respective valve assembly to adjust the emission rate of each respective nozzle assembly to generate a compensated distribution profile.

A method for stabilizing a loose showerhead assembly and a shower stabilizer assembly are provided. The showerhead stabilizer assembly includes a stabilizer plate, one or more spacers of varying sizes/thicknesses, and a plurality of fasteners to secure the stabilizer plate to a structure. The method for stabilizing a loose showerhead includes the steps of removing the showerhead, installing one or more spacers onto the shower arm pipe to a depth that creates a hard stop, installing the stabilizer plate such that a spacer contact nipple of the stabilizer plate creates a hard stop against the spacer and the circular flange is in contact with the front surface of the shower wall, and securing the stabilizer plate by installing one or more fasteners in appropriate mounting holes located in the flange.

A method for stabilizing a loose showerhead assembly and a shower stabilizer assembly are provided. The showerhead stabilizer assembly includes a stabilizer plate, one or more spacers of varying sizes/thicknesses, and a plurality of fasteners to secure the stabilizer plate to a structure. The method for stabilizing a loose showerhead includes the steps of removing the showerhead, installing one or more spacers onto the shower arm pipe to a depth that creates a hard stop, installing the stabilizer plate such that a spacer contact nipple of the stabilizer plate creates a hard stop against the spacer and the circular flange is in contact with the front surface of the shower wall, and securing the stabilizer plate by installing one or more fasteners in appropriate mounting holes located in the flange.