The spray nozzle (1) has divergent region containing divergent portion (16). The divergent portion is arranged at the primary end of inner channel (4). The powder injection hole (7) is not formed in divergent region. The powder injection hole is formed close to the secondary end of inner channel. Several external cooling fins are arranged between the divergent portion and powder injection hole.
申请公布号
EP2547179(B1)
申请公布日期
2016.03.23
申请号
EP20120007031
申请日期
2009.11.04
申请人
SIEMENS AKTIENGESELLSCHAFT
发明人
FELKEL, MARIO;GRUNER, HEIKO, DR.;LADRU, FRANCIS-JURJEN, DR.