| 摘要 |
Provided is a spray nozzle, that includes a stationary tube and a rigid rotor. The stationary tube has a proximal, a distal end opposite the proximal end, and a tube passage that extends from substantially at or near the proximal end of the stationary tube to substantially at or near the distal end of the stationary tube. The stationary tube is configured to communicate substantially at or near the proximal end with a pressurized air source The rigid rotor has a distal end rotatably coupled substantially at or near the distal end of the stationary tube, a proximal end comprising an outlet port substantially at or near the proximal end and a rotor passage in fluid communication with the stationary tube. The rotor passage extends from substantially at or near the distal end of the rotor to substantially at or near the proximal end of the rotor. Further, the rotor passage is configured to remain in fluid communication with the tube passage during rotation of the rotor relative to the stationary tube about a rotor axis of rotation. The outlet port is offset a radial distance in a radial direction from the rotor axis substantially at or near at a distal end of the rotary member, and ejection of the pressurized air from the outlet port is configured to produce directional components of the pressurized air in the direction of rotation about the rotor axis of rotation.
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