A spraying apparatus includes a driving mechanism having a driving shaft rotatable around its own axis and a spin plate disposed at a bottom of the driving shaft. The spin plate is configured to rotate with the driving shaft to spray chemical solution. The driving mechanism includes a stator assembly, a rotor assembly and a housing assembly. The housing assembly includes a first housing member and a second housing member. The first housing member and the stator assembly are connected; the rotor assembly is connected to the second housing member; the first housing member is connected to the second housing member by snap-fit; and a bottom side of the second housing member is provided with a water inlet pipe that is connected to an internal of the spin plate.

A spreader having a hopper for particulate material with discharge openings over two separate different areas along the hopper bottom, a pair of wheels upon separate drive shafts mounted for rotation to a lower frame which supports the hopper, and a rear frame extending from the hopper to provide a pair of handles. Two rotatable shafts with agitator elements are mounted over each of the different hopper areas. Each of the agitator shafts are coupled for rotation by different ones of the drive shafts. Two gates with openings are disposed below the hopper each along different ones of the areas dividing the hopper bottom. Each gate is movable to close and open the openings of the hopper in the area associated with the gate. A pair of controllers are provided each coupled to a different one of the two gates to independently move the gates between open and close positions.

An electrically powered portable liquid cold fogger that includes a main housing and that when used in conjunction with an electric motor, a self-feeding tentacle pumping spinning element, a tentacle feed tube, air screw, and air flow focusing shroud, is able to pump, fog, and dispense, low and high viscosity fluid in the forward direction.

A multi-disk spinning disk assembly for atomization and encapsulation applications. A number of disks 17a and spacers (33, 40) are stacked to form a disk stack 17 having a feed well 31 in the center core of the stack. The fluid to be atomized or encapsulated is delivered to the feed well 31. The fluid then flows into spacer channels (37, 41) within or on the surface of the spacers. The channels (37, 41) communicate the fluid toward the outer edges of the disks 17a. The disk surface past the spacers (33, 40) can have various configurations, such as teeth, weirs, or a bigger or smaller diameter, as desired for particular atomization or encapsulation characteristics.

A head is disclosed for use with a manufacturing system. The head may have a housing configured to discharge a tubular structure reinforced with at least one continuous fiber and having a three-dimensional trajectory, and a cure enhancer operatively connected to the housing and configured to cure a liquid matrix in the tubular structure during discharge. The head may also have a nozzle configured to discharge a fill material into the tubular structure, and a wand extending from the housing to the nozzle.

In one aspect, a sprinkler is provided having a nozzle, a deflector that receives fluid flow from the nozzle, and a friction or viscous brake assembly that controls rotation of a deflector. The friction or viscous brake assembly is releasably connected to the frame in order to enhance serviceability of the sprinkler. In another aspect, a sprinkler is provided having a frame, a deflector rotatably connected to the frame, a nozzle, and a nozzle socket of the frame. The nozzle and nozzle socket have interlocking portions that releasably connect the nozzle to the frame. The nozzle may be easily removed for servicing. Further, the nozzle socket can be configured to receive a plurality of nozzles having different flow characteristics. A nozzle can be selected and utilized with the sprinkler according to the desired application for the sprinkler.

A method is disclosed for additively manufacturing a composite structure. The method may include coating a continuous strand with a matrix, discharging a composite tubular structure made from the coated continuous strand, and exposing the matrix in the composite tubular structure to light to cure the matrix during discharging. The method may also include depositing a material layer onto an internal surface of the composite tubular structure as the composite tubular structure is being discharged, and wiping a squeegee over the material layer.

A system is disclosed for use in manufacturing a composite structure. The system may include a support configured to move in a plurality of directions during manufacturing of the composite structure, and a head coupled to the support. The head may have a housing that is configured to receive a liquid matrix and at least one continuous fiber and configured to discharge a tubular structure. The head may also have a nozzle operatively connected to the housing and configured to deposit a material layer onto a surface of the tubular structure as the tubular structure is discharging from the housing, and a squeegee associated with the nozzle and configured to wipe over the material layer. The head may further have a first cure enhancer operatively connected to the housing and configured to cure the liquid matrix in the tubular structure during discharge, and a second cure enhancer configured to cure the material layer deposited by the nozzle.

This rotary atomizing head used in a rotary atomizing head type painting device is provided with: an atomizing head main body formed in a bell shape or a cup shape; an attachment part which is connected to the atomizing head main body and attaches the atomizing head main body to a motor rotary shaft of the rotary atomizing head type painting device; and a resin mold in which an IC tag containing unique information about the rotary atomizing head stored therein is embedded, and which is attached to the attachment part, wherein the attachment part can have a prescribed structure, the resin mold is attached to the attachment part through a prescribed method, and the IC tag is embedded in the resin mold such that the surface of an embedded coil antenna adopts a prescribed state.

A head is disclosed for use with a manufacturing system. The head may have a housing that discharges a tubular structure, and a cure enhancer connected to the housing and selectively activated to cure the tubular structure during discharge from the housing. The head may also have a nozzle that discharges a fill material into the cured tubular structure.