公开(公告)号：EP3102792A4

公开(公告)日：2017-11-22

申请号：EP14879341

申请日：2014-12-26

Applicant: UNITED TECHNOLOGIES CORP

Inventor： HAYFORD RICHARD K ,  MORRIS ROBERT J ,  WARNER CHARLES H ,  GENDRICH CHARLES P

IPC: F01D5/26 ,  F01D9/02 ,  F01D9/04 ,  F01D25/06 ,  F04D29/54 ,  F04D29/66

CPC classification number: F04D29/668 ,  F01D5/26 ,  F01D9/041 ,  F01D9/042 ,  F01D25/06 ,  F04D29/542 ,  F04D29/544 ,  F04D29/666 ,  F05D2220/32 ,  F05D2260/961 ,  Y02T50/671 ,  Y02T50/673

Abstract: A gas turbine engine includes a circumferential array of stator vanes that have first and second vanes with different vibrational frequencies than one another. The first vanes are arranged in circumferentially alternating relationship with the second vanes.