公开(公告)号：CA2501160A1

公开(公告)日：2005-11-27

申请号：CA2501160

申请日：2005-03-17

Applicant: UNITED TECHNOLOGIES CORP

Inventor： SURACE RAYMOND C ,  PROPHETER TRACY A

IPC: F01D5/16 ,  F01D5/18 ,  F01D5/26 ,  F16F15/12

Abstract: A rotor blade damper is provided that includes a body having a base, a tip, a first contact surface, a second contact surface, a trailing edge surface, and a leading edge surface. The trailing edge and the leading edge surfaces extend between the contact surfaces. The first contact surface, second contact surface, trailing edge surface, and leading edge surface all extend lengthwise between the base and the tip. The body includes at least one cooling aperture disposed adjacent the base, that has a diameter that is approximately equal to or greater than the width of the trailing edge surface adjacent the tip. The body tapers between the base and the tip such that a first widthwis e cross-sectional area adjacent the base is greater than a second widthwise cross-sectional ar ea adjacent the tip.

公开(公告)号：AU2004240227B8

公开(公告)日：2005-09-01

申请号：AU2004240227

申请日：2004-12-17

Applicant: UNITED TECHNOLOGIES CORP

Inventor： SURACE RAYMOND C ,  PROPHETER TRACY A

IPC: F01D5/16 ,  F01D5/18 ,  F02C7/24

公开(公告)号：AU2004240227A1

公开(公告)日：2005-09-01

申请号：AU2004240227

申请日：2004-12-17

Applicant: UNITED TECHNOLOGIES CORP

Inventor： PROPHETER TRACY A ,  SURACW RAYMOND C

IPC: F01D5/16 ,  F01D5/18 ,  F02C7/24

公开(公告)号：CA2487490A1

公开(公告)日：2005-08-04

申请号：CA2487490

申请日：2004-11-09

Applicant: UNITED TECHNOLOGIES CORP

Inventor： SURACE RAYMOND C ,  OTERO EDWIN ,  GREGG SHAWN J ,  PROPHETER TRACY A

IPC: F01D5/16 ,  F01D5/10 ,  F01D5/18 ,  F01D25/06

Abstract: A rotor blade for a rotor assembly is provided that includes a root, an airfoil, and a damper. The airfoil has a length, a base, a tip, a first side wall, a second side wall and at least one cavity. The length extends the base and the tip. The at least one cavity is disposed between the side walls and the channel is defined by a first wall portion and a second wall portion. The damper, which is selectively received within the channel includes a first bearing surface, a second bearing surface, a forward surfac e and an aft surface, all of which extend lengthwise. At least one of the surfaces is shaped to form a lengthwise extending passage within the channel. The passage has a flow direction oriented along the length of the at least one surface to permit cooling air travel along the at least one surface in a lengthwise direction. According to one aspect of t he present invention, the damper has an arcuate lengthwise extending centerline.