公开(公告)号：US20170335720A1

公开(公告)日：2017-11-23

申请号：US15161716

申请日：2016-05-23

Applicant: United Technologies Corporation

Inventor： Thomas E. Clark ,  Brian C. McLaughlin

IPC: F01D25/28 ,  F02C3/04 ,  F01D5/02 ,  F02C3/14

CPC classification number: F01D25/28 ,  F01D5/02 ,  F01D9/023 ,  F01D25/243 ,  F02C3/04 ,  F02C3/14 ,  F05D2220/32 ,  F05D2260/30 ,  F05D2260/31 ,  F23R3/60

Abstract: A retention device includes a retention block including an opening extending through the retention block in a first direction. A tab also extends from the retention block in the first direction. A fastener extends through the opening and includes a head configured to engage the retention block. A clinch nut is coupled to the fastener with an interface surface of the clinch nut configured to engage the tab of the retention block.

公开(公告)号：US11286801B2

公开(公告)日：2022-03-29

申请号：US16158397

申请日：2018-10-12

Applicant: United Technologies Corporation

Inventor： Dean W. Johnson ,  Thomas E. Clark

IPC: F01D11/08 ,  F01D9/04 ,  F01D25/24

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 arranged circumferentially about the axis of rotation and mounted in a support structure radially outward of the outer tip. Each of the segments have a radially inner surface and a radially outer surface and four hooks protruding radially outward from the radially outer surface and extending along the segment in an axial direction.

公开(公告)号：US11125098B2

公开(公告)日：2021-09-21

申请号：US16567561

申请日：2019-09-11

Applicant: United Technologies Corporation

Inventor： William M. Barker ,  Thomas E. Clark

IPC: F01D11/08 ,  F02C7/28

Abstract: A blade outer air seal includes a carrier, a ceramic seal segment, and a face seal. The ceramic seal segment is supported on the carrier and has first and second axial ends, first and second circumferential sides, an inner side, and an outer side. The face seal is carried on the ceramic seal segment at the first axial end. The face seal has a radial seal wall and a tongue that extends axially from the radial seal wall.

公开(公告)号：US11098608B2

公开(公告)日：2021-08-24

申请号：US16352432

申请日：2019-03-13

Applicant: United Technologies Corporation

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

IPC: F01D11/08 ,  B29C70/30 ,  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 to an outer wall. A rib extends from the base portion to the outer wall and spaced axially between the first and second walls.

公开(公告)号：US11085332B2

公开(公告)日：2021-08-10

申请号：US16249303

申请日：2019-01-16

Applicant: UNITED TECHNOLOGIES CORPORATION

Inventor： Thomas E. Clark ,  Dean W. Johnson

IPC: F01D25/28 ,  F01D11/08 ,  F01D9/04 ,  F01D25/24 ,  F02K3/04

Abstract: A blade outer air seal retention assembly may comprise a forward retention ring and an aft retention ring coupled to the forward retention ring. The forward retention ring may comprise a first shiplap flange extending aft from the forward retention ring. The aft retention ring may comprise a second shiplap flange extending forward from the aft retention ring.

公开(公告)号：US11085317B2

公开(公告)日：2021-08-10

申请号：US16570338

申请日：2019-09-13

Applicant: United Technologies Corporation

Inventor： Dean W. Johnson ,  Thomas E. Clark

IPC: F01D9/04 ,  F01D11/08 ,  F01D25/24

Abstract: A blade outer air seal includes a base portion. A first wall and a second wall extend radially from the base portion. The first wall is axially spaced from the second wall. The first and second walls extend in a circumferential direction. A first hook extends from the first wall and a second hook extends from the second wall. The first and second hooks extend in an axial direction towards one another to form a passage that extends in the circumferential direction. The passage is configured to receive a carrier. A tab extends radially outward from the second hook. The tab is configured to engage with the carrier.

公开(公告)号：US11073037B2

公开(公告)日：2021-07-27

申请号：US16516920

申请日：2019-07-19

Applicant: United Technologies Corporation

Inventor： Ken F. Blaney ,  Thomas E. Clark

IPC: F01D11/08

Abstract: A blade outer air seal assembly includes a blade outer air seal that has a plurality of segments that extend circumferentially about an axis and are mounted in a support structure via a carrier. At least one of the segments have a first wall circumferentially spaced from a second wall. A base portion extends from the first wall to the second wall. The first and second walls extend at an angle less than 90° from the base portion. The carrier has a flat portion that extends from the first wall to the second wall.

公开(公告)号：US11021987B2

公开(公告)日：2021-06-01

申请号：US16412737

申请日：2019-05-15

Applicant: United Technologies Corporation

Inventor： Thomas E. Clark ,  William M. Barker ,  Daniel J. Whitney ,  Danielle Mahoney ,  William Wangard, III

IPC: F01D11/08 ,  F01D25/00

Abstract: A blade outer air seal assembly includes a support structure. A blade outer air seal has a plurality of segments that extend circumferentially about an axis and mounted in the support structure via a carrier. At least one of the plurality of 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 hook extends from the base portion near the first axial side and faces towards the second axial side. A second hook extends from the base portion near the second axial side and faces towards the first axial side. A slot is in the second hook configured to receive a pin.

公开(公告)号：US10961866B2

公开(公告)日：2021-03-30

申请号：US16042066

申请日：2018-07-23

Applicant: United Technologies Corporation

Inventor： Ken F. Blaney ,  Thomas E. Clark

IPC: F01D25/14 ,  F01D11/12 ,  F01D25/12 ,  F01D11/08 ,  F01D9/04

Abstract: A gas turbine engine includes a compressor section and a turbine section. The turbine section includes at least one turbine rotor having a radially extending turbine blade. The turbine section is rotatable about an axis of rotation. A blade outer air seal is positioned radially outwardly of a radially outer tip of the at least one turbine blade. The blade outer air seal has axially spaced forward and aft portions and a central web between the axially spaced portions. An attachment block is supported on structure within the engine. The attachment block mounts the blade outer air seal. A passage extends into a central chamber within the attachment block, and communicates with cooling holes through a radially inner face of the attachment block to direct cooling air at the central web of the blade outer air seal. A blade outer air seal is also disclosed.

公开(公告)号：US20210071542A1

公开(公告)日：2021-03-11

申请号：US16567561

申请日：2019-09-11

Applicant: United Technologies Corporation

Inventor： William M. Barker ,  Thomas E. Clark

IPC: F01D11/08 ,  F02C7/28

Abstract: A blade outer air seal includes a carrier, a ceramic seal segment, and a face seal. The ceramic seal segment is supported on the carrier and has first and second axial ends, first and second circumferential sides, an inner side, and an outer side. The face seal is carried on the ceramic seal segment at the first axial end. The face seal has a radial seal wall and a tongue that extends axially from the radial seal wall.