CPC B05B 5/03 (2013.01) [B05B 5/053 (2013.01); B05B 5/0533 (2013.01)] | 20 Claims |
1. A nozzle assembly, comprising:
an electrode with a strip shape extending in a first direction, wherein the electrode has a first end surface and a second end surface at two opposite ends in the first direction and a side surface connecting the first end surface and the second end surface; and
an insulating body portion, arranged around the electrode along a circumferential direction around the first direction, and comprising an outer end surface close to the first end surface and an inner surface facing the side surface of the electrode,
wherein a first fluid channel configured to transfer a first fluid is arranged in the insulating body portion, a first opening is formed on the inner surface of the insulating body portion by the first fluid channel,
a second fluid channel configured to transfer a second fluid is arranged between the inner surface of the insulating body portion and the side surface of the electrode, an ejecting outlet is formed on the outer end surface of the insulating body portion by the second fluid channel, and the second fluid channel is communicated with the first fluid channel at the first opening,
an interface channel is arranged in the insulating body portion to provide the second fluid to the second fluid channel, a second opening is formed on the inner surface of the insulating body portion by the interface channel,
at least part of the second fluid channel is located between the first fluid channel and the electrode; and in the first direction, the first opening is located between the second opening and the ejection outlet.
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