公开(公告)号：US10815810B2

公开(公告)日：2020-10-27

申请号：US16244409

申请日：2019-01-10

Applicant: UNITED TECHNOLOGIES CORPORATION

Inventor： William M. Barker ,  Daniel J. Whitney ,  Michael G. McCaffrey ,  Thomas E. Clark

IPC: F01D11/08 ,  F01D25/24

Abstract: A blade outer air seal assembly may comprise a blade outer air seal segment and a blade outer air seal support coupled to the blade outer air seal segment. The blade outer air seal segment may comprise a forward rail and an aft rail. The forward rail may be castellated. The blade outer air seal support may comprise an aft flange and a first forward flange. A pin may be disposed through the aft rail, the aft flange, the first forward flange, and the forward rail.

公开(公告)号：US20200291804A1

公开(公告)日：2020-09-17

申请号：US16352150

申请日：2019-03-13

Applicant: United Technologies Corporation

Inventor： Thomas E. Clark ,  William M. Barker

IPC: F01D11/08 ,  F01D25/12

Abstract: A blade outer air seal assembly includes a support structure. A blade outer air seal has a plurality of seal segments arranged circumferentially about an axis and mounted in the support structure by a carrier. A coverplate is arranged between the carrier and at least one of the plurality of seal segments. The coverplate forms a first passage between the coverplate and the carrier and a second passage between the coverplate and the seal segment.

公开(公告)号：US20200291803A1

公开(公告)日：2020-09-17

申请号：US16352114

申请日：2019-03-13

Applicant: United Technologies Corporation

Inventor： Thomas E. Clark ,  William M. Barker

IPC: F01D11/08

Abstract: A blade outer air seal assembly includes a support structure. A blade outer air seal has a plurality of seal segments arranged circumferentially about an axis and mounted in the support structure by a carrier. The carrier has first and second hooks that extend radially outward from a platform along an axial length of the carrier. The first and second hooks are in engagement with the support structure.

公开(公告)号：US20200173299A1

公开(公告)日：2020-06-04

申请号：US16207918

申请日：2018-12-03

Applicant: United Technologies Corporation

Inventor： William M. Barker ,  Thomas E. Clark

IPC: F01D11/12

Abstract: A method of forming a blade outer air seal includes applying a cavity layer that has a plurality of cavities to a radially inner side of a seal body. The cavity layer is coated with an abradable coating.

公开(公告)号：US20200095880A1

公开(公告)日：2020-03-26

申请号：US16139209

申请日：2018-09-24

Applicant: United Technologies Corporation

Inventor： Thomas E. Clark ,  William M. Barker

IPC: F01D11/08

Abstract: A turbine section for a gas turbine engine includes a turbine blade that extends radially outwardly to a radially outer tip and for rotation about an axis of rotation. A blade outer air seal has a plurality of segments mounted in a support structure and arranged circumferentially about the axis of rotation and radially outward of the outer tip. A feather seal is arranged between each of the plurality of segments. The feather seal is formed from a ceramic matrix composite material.

公开(公告)号：US20200025011A1

公开(公告)日：2020-01-23

申请号：US16038480

申请日：2018-07-18

Applicant: United Technologies Corporation

Inventor： William M. Barker ,  Thomas E. Clark

IPC: F01D11/08

Abstract: A gas turbine engine includes a turbine section including at least one turbine rotor having at least one blade. A blade outer air seal is positioned radially outward of a radially outer tip of the at least one turbine blade. The blade outer air seal has a forward hook and an aft hook. The forward hook is supported on a forward retainer and the aft hook is supported on an aft hook retainer. The aft hook retainer provides structure to prevent rotation of the blade outer air seal relative to the aft hook retainer. There is an interference fit between the aft hook retainer and the forward retainer. A load path is provided from a static structure through the aft hook retainer to the forward retainer.

公开(公告)号：US11319827B2

公开(公告)日：2022-05-03

申请号：US16371330

申请日：2019-04-01

Applicant: United Technologies Corporation

Inventor： Thomas E. Clark ,  William M. Barker

IPC: F01D11/08 ,  F01D11/00 ,  F16J15/08 ,  F01D25/24

Abstract: A blade outer air seal assembly includes a blade outer air seal segment that has a base portion that extends from a first axial side to a second axial side and from a first circumferential side to a second circumferential side. An intersegment seal is arranged adjacent the first circumferential side. The intersegment seal has a first seal portion and a second seal portion connected by a rib.

公开(公告)号：US11255208B2

公开(公告)日：2022-02-22

申请号：US16413197

申请日：2019-05-15

Applicant: United Technologies Corporation

Inventor： Thomas E. Clark ,  William M. Barker

IPC: F01D11/08 ,  F02C3/04 ,  F02C7/28 ,  F16J15/34

Abstract: A blade outer air seal assembly includes a support structure. A blade outer air seal has a plurality of segments that extends circumferentially about an axis and is mounted in the support structure. At least two of the segments have a base portion that extends from a first circumferential side to a second circumferential side. A first protrusion extends from the first circumferential side and has a first radially extending slot. A second protrusion extends from a second circumferential side and has a second radially extending slot. A feather seal is arranged in the first radially extending slot and the second radially extending slot between at least two segments.

公开(公告)号：US11125096B2

公开(公告)日：2021-09-21

申请号：US16402595

申请日：2019-05-03

Applicant: United Technologies Corporation

Inventor： Thomas E. Clark ,  William M. Barker

IPC: F01D11/08 ,  F01D25/24

Abstract: A blade outer air seal assembly includes a blade outer air seal that has a plurality of seal segments that extend circumferentially about an axis and mounted in a support structure via a carrier. Each of the seal segments has a base portion that extends between a first circumferential side and a second circumferential side and from a first axial side to a second axial side. A first and second hook extend along the base portion in an axial direction. The first and second hooks are engaged with the carrier. The carrier has a wall forward or aft of the first and second hooks and extends radially inward of the first and second hooks.

公开(公告)号：US11047250B2

公开(公告)日：2021-06-29

申请号：US16376210

申请日：2019-04-05

Applicant: United Technologies Corporation

Inventor： William M. Barker ,  Thomas E. Clark ,  Daniel J. Whitney

IPC: F01D11/08 ,  F01D25/12 ,  F01D25/24

Abstract: A blade outer air seal includes a base portion that extends between a first circumferential side and a second circumferential side and from a first axial side to a second axial side. A first wall is axially spaced from a second wall. The first and second walls extend from the base portion. The second wall has at least one wall window configured to engage with a support structure. An outer wall radially spaced from the base portion between the first and second walls. The outer wall has at least one outer wall window configured to engage with the support structure.