A spray system includes a spray applicator configured to apply a fluid to a target. The spray system also includes a rotary bell cup of the spray applicator, a splash plate of the spray applicator coupled to the rotary bell cup, and a fluid tip of the spray applicator. The fluid tip is configured to output the fluid onto the rotary bell cup. The fluid tip includes a fluid tip passage extending along a longitudinal fluid tip axis of the fluid tip. The longitudinal fluid tip axis intersects with the splash plate of the spray applicator. The fluid tip also includes a fluid exit port configured to output the fluid from the fluid tip passage onto the rotary bell cup. The fluid exit port extends along a fluid exit axis disposed at an angle relative to the longitudinal fluid tip axis of the fluid tip.

A painting system includes painting unit including a first painting robot and a second painting robot, a cartridge carrier, and a cleaning tank. The painting robots each include a robot arm including a painting machine. The cartridge carrier includes a cartridge grip part. A first region is a region where a movable region of the painting machine of the first painting robot overlaps with a movable region of the cartridge grip part. A second region is a region where the movable region of the painting machine of the second painting robot overlaps with the movable region of the cartridge grip part. The cleaning tank is provided in a position including at least a part of the first region and at least a part of the second region.

A painting system includes painting unit including a first painting robot and a second painting robot, a cartridge carrier, and a cleaning tank. The painting robots each include a robot arm including a painting machine. The cartridge carrier includes a cartridge grip part. A first region is a region where a movable region of the painting machine of the first painting robot overlaps with a movable region of the cartridge grip part. A second region is a region where the movable region of the painting machine of the second painting robot overlaps with the movable region of the cartridge grip part. The cleaning tank is provided in a position including at least a part of the first region and at least a part of the second region.

A powdering system, having a working configuration and a cleaning configuration and including a powder reservoir, including a supply chamber receiving powder; a sprayer, including a powder applicator, and a cleaning inlet, fluidly connected to the supply chamber such that, in the cleaning configuration, a cleaning air supply source can be connected to the cleaning inlet so as to circulate cleaning air in the supply chamber, wherein the powder reservoir includes a discharge opening, arranged through a wall of the supply chamber and opening into the supply chamber, and a movable plug, which is movable between a closing position, in the working configuration, and an open position, in the cleaning configuration, such that the circulation of cleaning air causes residual powder to be discharged through the discharge opening.

A hose assembly includes a first conduit, a second conduit, a nozzle assembly, and a valve assembly. The first conduit defines a first fluid path through the hose assembly. The second conduit is received within and extends partially through the first conduit. The second conduit defines a second fluid path through the hose assembly. The nozzle assembly is coupled to a first end of the first conduit. The valve assembly is fluidly coupled to the first conduit and the second conduit. The valve assembly is fluid coupled to a second end of the first conduit opposite the first end. The valve assembly is adjustable between a first position and a second position. In the first position, the valve assembly provides water into the first conduit. In the second position, the valve assembly provides pressurized air into the second conduit.

A hose assembly includes a first conduit, a second conduit, a nozzle assembly, and a valve assembly. The first conduit defines a first fluid path through the hose assembly. The second conduit is received within and extends partially through the first conduit. The second conduit defines a second fluid path through the hose assembly. The nozzle assembly is coupled to a first end of the first conduit. The valve assembly is fluidly coupled to the first conduit and the second conduit. The valve assembly is fluid coupled to a second end of the first conduit opposite the first end. The valve assembly is adjustable between a first position and a second position. In the first position, the valve assembly provides water into the first conduit. In the second position, the valve assembly provides pressurized air into the second conduit.

Valve assembly for agricultural spraying, related apparatus, related systems, and related methods. In accordance with an example, a valve assembly for agricultural spraying, the valve assembly includes a top valve, a bottom valve, and a fluid conduit. The top valve includes an air inlet, an air outlet, a top liquid inlet, and a top liquid outlet. The top valve provides fluid communication therethrough in at least two states. The bottom valve includes a bottom liquid inlet, a bottom liquid outlet, a discharge outlet, and a drain outlet. The bottom valve provides fluid communication therethrough in at least three states. The fluid conduit in fluid communication with the top liquid outlet and the bottom liquid inlet. The top valve and the bottom valve are in fluid communication via the fluid conduit. When the top valve is in the first state, the bottom valve is in the second state.

Valve assembly for agricultural spraying, related apparatus, related systems, and related methods. In accordance with an example, a valve assembly for agricultural spraying, the valve assembly includes a top valve, a bottom valve, and a fluid conduit. The top valve includes an air inlet, an air outlet, a top liquid inlet, and a top liquid outlet. The top valve provides fluid communication therethrough in at least two states. The bottom valve includes a bottom liquid inlet, a bottom liquid outlet, a discharge outlet, and a drain outlet. The bottom valve provides fluid communication therethrough in at least three states. The fluid conduit in fluid communication with the top liquid outlet and the bottom liquid inlet. The top valve and the bottom valve are in fluid communication via the fluid conduit. When the top valve is in the first state, the bottom valve is in the second state.

A spray system for spraying a fluid, the spray system including a tank for holding the fluid; and a sprayer including a fluid conductor, a fluid mover, at least one first nozzle and a second nozzle, the fluid conductor including an inner diameter, a first end configured to be connected to the tank, a second end configured to be selectively connected to one of the at least one first nozzle and a second nozzle, wherein the second nozzle including a through opening at least about the same size as the inner diameter, wherein the fluid mover is configured to draw the fluid from the tank through one of the at least one first nozzle to create a spray of the fluid and the second nozzle to return at least a portion of the fluid to a storage tank.

The present disclosure provides an atomization device, an aroma diffusion instrument, and an operation method. The atomization device includes an atomization chamber, a mixing chamber, a container, a repair cavity, a suction pump, and a gas pump; the atomization chamber is communicated with the mixing chamber through an atomization port; the suction pump is communicated with the container and the mixing chamber; the suction pump is used for pumping a substance in the container to the mixing chamber or pumping a substance in the mixing chamber back to the container; impurities in the mixing chamber can also be discharged from an opening of the repair cavity; the gas pump is connected with the mixing chamber to convey high-pressure gas to the mixing chamber; the high-pressure gas is used for atomizing liquid of the mixing chamber towards the atomization chamber; and the atomization chamber is provided with a mist outlet.