Adjustable gas distribution assembly and related adjustable plasma spray device

摘要

Various embodiments include an adjustable gas distribution assembly (900) for an adjustable plasma spray device. In one embodiment, the assembly includes: a first gas distribution ring (910) including a plurality of openings (930) allowing a gas to pass to an inner diameter thereof, the first gas distribution ring (910) including a mating surface (920) upstream of the plurality of openings (930); and a positioning ring axially aligned (940) with the gas distribution ring (910) between the first gas distribution ring (910) and an electrically charged outlet of the plasma spray device, wherein the positioning ring (940) includes a mating surface (950) that mates with the mating surface (920) of the first gas distribution ring (910) to form the gas distribution assembly (900), wherein the mating surface (950) of the positioning ring (940) is sized to mate with a plurality of distinct gas distribution rings (910) including the first gas distribution ring.