发明名称 |
High efficiency nozzle for thermal spray of high quality, low oxide content coatings |
摘要 |
The present invention provides a spray gun with associated nozzle attachments for high deposition efficiency for thermal spray of high quality, dense, low oxide content coatings. The spray guns are used to produce coatings using a thermal spray process, a high velocity oxy-fuel process, a high velocity air-fuel process, cold spraying, and plasma spraying in which the process is characterised by having an over-expanded flow with a Mach number from about 1.0 to about 4.0 which have passageway section which diverges to the gun outlet. In one embodiment the nozzle attachment is another diverging section with a greater angle of divergence than the diverging nozzle section. In another embodiment the nozzle attachment includes the aforementioned diverging nozzle attachment section followed by a converging nozzle section having an outlet section through which the thermal spray is emitted.
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申请公布号 |
US2003178511(A1) |
申请公布日期 |
2003.09.25 |
申请号 |
US20020103138 |
申请日期 |
2002.03.22 |
申请人 |
DOLATABADI ALI;MOSTAGHIMI JAVAD;PERSHIN VALERIAN |
发明人 |
DOLATABADI ALI;MOSTAGHIMI JAVAD;PERSHIN VALERIAN |
分类号 |
B05B7/20;B05B7/22;C23C4/12;C23C24/04;(IPC1-7):B05B1/00 |
主分类号 |
B05B7/20 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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