초록

A method and apparatus for spraying powder material from a plurality of nozzles. A powder material feed control section and a manifold section provide a uniform flow rate and uniform density pattern for a powder material feed stream sprayed from a plurality of nozzles.

대표청구항 ▼

An apparatus for generating a powder stream through each of a plurality of nozzles, comprising: a source for powder material; means for controllably removing said powder material from said source and for generating a stream of said powder material; means for regulating the characteristics of said st

An apparatus for generating a powder stream through each of a plurality of nozzles, comprising: a source for powder material; means for controllably removing said powder material from said source and for generating a stream of said powder material; means for regulating the characteristics of said stream; and manifold means for receiving said stream from said source, said manifold means including a plurality of output ports with each of said output ports in communication with an associated one of said plurality of nozzles for spraying said powder stream, said manifold means including a powder distribution surface having an upper surface, a lower surface, a height and a slope and disposed within said manifold means such that said powder stream from said source is intercepted by said upper surface of said powder distribution surface, said upper and lower surfaces of said powder distribution surface uniformly distributing and channeling substantially all of said powder stream to each of said plurality of output ports and said plurality of nozzles.