<p>A method and apparatus for eliminating vortex whistle noise in a radial-to-axial compressor intake uses a plurality of flow fences (36) disposed along the radially inner gas passage boundary (10). The fences (36) disrupt a portion of the swirling gas flow (32) resulting from the position of a plurality of pivotal inlet guide vanes (28) disposed about the radially outward facing inlet (18).</p>
申请公布号
EP0350427(B1)
申请公布日期
1992.03.04
申请号
EP19890630110
申请日期
1989.07.04
申请人
PRATT & WHITNEY CANADA INC.
发明人
BANKS, IVOR;SANDERSON, JOHN JAMES;HEIKURINEN, KARI JOHANNES;WILFORD, DONALD FRANCIS