In order to create a rotating unit for a coating lance device for thermally coating an interior, it is provided that the rotary drive is implemented as a hollow-shaft motor coaxial with the axis of rotation of the tool holder, and wherein the tool holder and the coating material feed, as well as the process media feed, are located centrally relative to the hollow-shaft motor. Furthermore, in order to create a coating lance device for thermally coating an interior, it is proposed to provide such a rotating unit; at least one linear actuator for axial and/or lateral positioning of the rotating unit relative to an interior to be coated; and stationary supply connections for supplying electricity to the coating lance, and for the coating material feed, and for the process media feed.

A rotary atomization device includes a housing, a blowing device, a rotating drive device, a rotating shaft, a gas tube and an atomizing structure. The housing has an atomization room and a containing room which are communicated by a gas channel. The blowing device is arranged in the containing room, and the rotating drive device is arranged in the containing room or the atomization room. A drive shaft of the rotating drive device is connected with the rotating shaft connected with the gas tube. One end of the gas tube is arranged in the atomization room and has a gas inlet, and the other end is extended out of the housing and has a gas outlet. The atomizing structure is disposed on the bottom of the atomization room, and the blowing device blows towards the gas channel. The rotary atomization device can realize rotary spraying.

A water feed tube assembly for a dishwasher with a water feed tube having one or more inlets and outlets and front, back, and side walls. At least one outlet is positioned on the front wall of the water feed tube. The water feed tube includes a manifold docking retainer that is integral with the water feed tube at a position adjacent to the outlet. The manifold docking retainer includes first and second ears that are positioned on and extend integrally from the side walls of the water feed tube such that the first and second ears of the manifold docking retainer are configured to receive first and second docking arms of a spray arm manifold. The manifold docking retainer includes first and second knobs that are positioned on and extend integrally from the front wall of the water feed tube to mate with the spray arm manifold.

An aerosol distributor for filter leakage detection in a gas filtration system, said aerosol distributor being configured to be positioned in a gas stream upstream of the filter, said aerosol distributor comprising: a rotatable distributor housing comprising a hub in fluid connection with two or more radial chambers evenly distributed around said hub, the distributor housing having an inlet for admitting a test aerosol from an aerosol source via the hub into the radial chambers, each radial chamber being elongated, sealed at a distal end, and provided with a plurality of outlet holes distributed along the length thereof for releasing the aerosol from the radial chamber into a gas stream surrounding the aerosol distributor, and wherein said aerosol distributor further comprises an actuator configured to rotate the distributor housing around a central axis thereof.

A nozzle apparatus may comprise a nozzle body having a nozzle tip with a discharge port for spraying a treatment fluid onto a substrate; a nozzle moving member for moving the nozzle body relative to the substrate; a rotating member for rotating the nozzle body or the nozzle tip so that a treatment fluid is sprayed onto the substrate during rotation; and a control unit configured to control an operation of the nozzle moving member and the rotating member.

A spray arm assembly and a washing appliance provided with same. The spray arm assembly comprises an upper spray arm and a lower spray arm, the upper spray arm being connected to the lower spray arm and being located above the lower spray arm; and further comprises a first ball assembly, and the first ball assembly is arranged at a position where the upper spray arm is connected to and cooperates with the lower spray arm; and the upper spray arm is rotatable relative to the lower spray arm. The hydrodynamic loss caused by using a connection method in a sliding friction manner in the prior art is reduced by means of the first ball assembly, and the smoothness during rotation of the upper and lower spray arms can be improved, and the noise can also be reduced.

A rotary atomization device includes a housing, a blowing device, a rotating drive device, a rotating shaft, a gas tube and an atomizing structure. The housing has an atomization room and a containing room which are communicated by a gas channel. The blowing device is arranged in the containing room, and the rotating drive device is arranged in the containing room or the atomization room. A drive shaft of the rotating drive device is connected with the rotating shaft connected with the gas tube. One end of the gas tube is arranged in the atomization room and has a gas inlet, and the other end is extended out of the housing and has a gas outlet. The atomizing structure is disposed on the bottom of the atomization room, and the blowing device blows towards the gas channel. The rotary atomization device can realize rotary spraying.

The invention relates to an apparatus and to a method for cleaning vessels. The vessel cleaning apparatus (10) has a suction lance (20) and a flushing lance (40). The flushing lance (40) is configured to receive fluid, such as cleaning liquid and/or compressed air, and to expel it against an inner wall of a vessel to be cleaned. The suction lance (20) is configured to suck off and lead off fluids present in the vessel as well as cleaning liquid supplied through the flushing lance (40) from the vessel, preferably against the direction of effect of gravity.

A spreading assembly is provided. The spreading assembly comprises a spreadable material container, a spreading mechanism, and a motor. The spreading mechanism is rotatably mounted to a bottom section of the material container and can disperse the spreadable material 360° around the spreading assembly. The motor is operatively connected to the spreading mechanism to engage same in rotation. The spreading assembly comprises a coupling assembly to engage the spreading assembly with an unmanned aerial vehicle (UAV) configured to transport the spreading assembly while it operates.

A surface treatment assembly for treating a contoured surface includes a surface treatment array formed from a plurality of base structures, each base structure operably coupled to a first phalange structure and a first phalange structure first end. A second phalange structure operatively coupled to each first phalange structure and a phalange joint disposed between each first phalange structure and each second phalange, thereby forming a finger structure. Moreover, at least one applicator head is coupled to a second phalange structure second end of each finger structure and configured to treat the contoured surface. A base structure actuator and a phalange joint actuator operatively coupled to and configured to manipulate the first phalange structure and the second phalange of each finger structure to adjust the surface treatment array relative to the contoured surface.