A system may include a portable spray device having a battery powered drive, a rotary atomizer driven by the battery powered drive, and a syringe configured to supply a liquid to the rotary atomizer, wherein the rotary atomizer is configured to rotate to atomize the liquid into a spray. A system may
A system may include a portable spray device having a battery powered drive, a rotary atomizer driven by the battery powered drive, and a syringe configured to supply a liquid to the rotary atomizer, wherein the rotary atomizer is configured to rotate to atomize the liquid into a spray. A system may include a portable spray device having a barrel portion with a first syringe fluidly coupled to a spray head, and a handle portion coupled to the barrel portion via a break-action mechanism. The handle portion may include an actuator assembly configured to drive a first plunger in the first syringe.
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1. A system, comprising: a portable spray device, comprising: a battery powered drive;a rotary atomizer driven by the battery powered drive, wherein the rotary atomizer comprises a bell cup having an inner annular surface; anda syringe configured to supply a liquid to the inner annular surface of th
1. A system, comprising: a portable spray device, comprising: a battery powered drive;a rotary atomizer driven by the battery powered drive, wherein the rotary atomizer comprises a bell cup having an inner annular surface; anda syringe configured to supply a liquid to the inner annular surface of the bell cup, wherein the rotary atomizer is configured to rotate the bell cup to atomize the liquid into a spray. 2. The system of claim 1, wherein the inner annular surface of the bell cup comprises a conical surface, a parabolic surface, a cylindrical surface, or a combination thereof. 3. The system of claim 1, wherein the rotary atomizer comprises a plurality of propellers coupled to the bell cup. 4. The system of claim 3, wherein the plurality of propellers are configured to generate an air flow to guide the spray toward a target object. 5. The system of claim 1, wherein the portable spray device is configured to atomize the liquid without a pressurized gas flow. 6. The system of claim 1, wherein the portable spray device is a handheld spray device. 7. The system of claim 1, wherein the portable spray device comprises an adjustable guard extending about the rotary atomizer. 8. The system of claim 7, wherein the adjustable guard extends partially circumferentially about a rotational axis of the rotary atomizer, and the adjustable guard has a lateral opening configured to direct the spray to flow in a radial direction away from the rotational axis. 9. The system of claim 8, wherein the adjustable guard extends a circumferential distance about the rotational axis of between 90 to 270 degrees. 10. The system of claim 8, wherein the adjustable guard is adjustable in an axial direction, a radial direction, a circumferential direction, or a combination thereof. 11. The system of claim 1, wherein the battery powered drive comprises a battery powered electric motor. 12. The system of claim 1, wherein the syringe is removably coupled to the battery powered drive via a mounting feature. 13. The system of claim 12, wherein the syringe is removably coupled to an outer surface of the battery powered drive. 14. The system of claim 12, wherein the mounting feature comprises a strap, a clamp, a fastener, or a combination thereof. 15. The system of claim 1, wherein the syringe is manually actuated to supply the liquid to the bell cup. 16. The system of claim 1, wherein the syringe comprises tubing positioned adjacent to the inner annular surface of the bell cup to supply the liquid to the bell cup. 17. The system of claim 1, wherein the inner annular surface comprises a smooth surface, a textured surface, a ribbed surface, or a combination thereof. 18. The system of claim 1, wherein the battery powered drive comprises a rechargeable unit having a recharge connection. 19. The system of claim 1, wherein the portable spray device is a portable spray coating device, and the liquid is a coating liquid. 20. The system of claim 1, wherein the syringe comprises the liquid, and the liquid is a coating liquid.
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