B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
117/56, 117/88.5
B05D 1/12 (2006.01) B01D 69/02 (2006.01) B05B 7/22 (2006.01) B05D 5/00 (2006.01) B22F 3/115 (2006.01) B22F 7/00 (2006.01) C08J 5/22 (2006.01) C23C 4/04 (2006.01) C23C 4/12 (2006.01)
Patent
CA 1257511
Abstract Multiple Port Plasma Spray Apparatus and Method for Providing Sprayed Abradable Coatings An apparatus and method are described for simultaneously thermal spraying at least two types of powders onto a substrate, wherein both powder types are carried by a single spray stream and impacted upon the substrate. According to the invention, the different powder types are injected into the spray stream through separate powder ports in such a manner that there is substantially no mixing of the powder types in the spray stream. The spray system and substrate being sprayed are moved relative to each other to produce a homogeneous sprayed powder deposit.
535134
Davis Charles G.
Pettit Harold W. Jr.
Walden Frederick C.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
United Technologies Corporation
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