公开(公告)号：US20200025211A1

公开(公告)日：2020-01-23

申请号：US16245484

申请日：2019-01-11

Applicant: United Technologies Corporation

Inventor： Lee Drozdenko ,  William R. Graves ,  Michael Li ,  Maria C. Kirejczyk

IPC: F04D29/34 ,  F01D21/04 ,  F02C3/04 ,  F02K3/06 ,  F04D29/32 ,  F04D29/38 ,  F01D5/30

Abstract: A fan blade is provided and comprises a leading edge, an attachment root extending aft of the leading edge, and a trench formed in a surface of the attachment root. An attachment root is also provided. The attachment root comprises a leading edge, a dovetail extending aft of the leading edge, and a trench formed in a surface of the dovetail. A gas turbine engine is also provided. The gas turbine engine comprises a compressor section configured to rotate about an axis, a combustor aft of the compressor section, and a turbine section aft of the compressor section and configured to rotate about the axis. A fan may be disposed forward of the turbine section and include a blade. The blade may have a trench formed in an attachment root.

公开(公告)号：US10280771B2

公开(公告)日：2019-05-07

申请号：US15026377

申请日：2014-09-19

Applicant: UNITED TECHNOLOGIES CORPORATION

Inventor： Lee Drozdenko ,  William R. Graves

IPC: F01D5/32 ,  F01D21/04 ,  F01D5/30

Abstract: A spacer for use in a hub and blade assembly of a gas turbine engine including a first layer of a first material forming the spacer body having an elongate shape. The first material has a first stiffness. A second layer of a second material is mechanically attached to the first layer. The second material has a second stiffness different from the first stiffness.

公开(公告)号：US20160237835A1

公开(公告)日：2016-08-18

申请号：US15026377

申请日：2014-09-19

Applicant: UNITED TECHNOLOGIES CORPORATION

Inventor： Lee Drozdenko ,  William R. Graves

IPC: F01D5/32 ,  F01D5/30

CPC classification number: F01D5/323 ,  F01D5/3007 ,  F01D21/045 ,  F05D2220/36 ,  F05D2230/60 ,  F05D2300/506

Abstract: A spacer for use in a hub and blade assembly of a gas turbine engine including a first layer of a first material forming the spacer body having an elongate shape. The first material has a first stiffness. A second layer of a second material is mechanically attached to the first layer. The second material has a second stiffness different from the first stiffness.

Abstract translation: 一种用于燃气涡轮发动机的轮毂和叶片组件中的间隔件，包括形成具有细长形状的间隔体的第一材料的第一层。 第一种材料具有第一刚度。 机械地附接到第一层的第二材料的第二层。 第二材料具有与第一刚度不同的第二刚度。

公开(公告)号：US20140169976A1

公开(公告)日：2014-06-19

申请号：US13718776

申请日：2012-12-18

Applicant: UNITED TECHNOLOGIES CORPORATION

Inventor： Lee Drozdenko ,  William R. Graves

IPC: F01D5/30

CPC classification number: F01D5/3092 ,  F01D5/3007 ,  F05D2220/36

Abstract: A rotor assembly is provided that includes a rotor blade, a root spacer, and a rotor disk with a slot. The rotor blade includes a blade root arranged within the slot. The blade root includes a root base segment and a pair of root side segments. The root base segment is laterally separated from the rotor disk by the root side segments. The root spacer is arranged within the slot, and includes a side surface that extends radially between an inner surface and an outer surface. The side surface is approximately laterally aligned with an intersection between the root base segment and a first of the root side segments. The outer surface engages the root base segment.

Abstract translation: 提供了一种转子组件，其包括转子叶片，根间隔件和具有槽的转子盘。 转子叶片包括布置在槽内的叶片根部。 叶片根部包括根部基部段和一对根部侧段。 根部基部通过根侧段与转子盘横向分离。 根间隔件布置在槽内，并且包括在内表面和外表面之间径向延伸的侧表面。 侧表面与根部基部段和第一根侧段之间的交叉点大致横向对准。 外表面接合根部基部。

公开(公告)号：US20140109546A1

公开(公告)日：2014-04-24

申请号：US13658887

申请日：2012-10-24

Applicant: United Technologies Corporation

Inventor： Lee Drozdenko ,  Allan R. Penda

IPC: F01D21/14

CPC classification number: F01D21/14 ,  F01D5/3007 ,  F04D29/023 ,  F04D29/322 ,  F05D2220/36 ,  F05D2260/95 ,  F05D2300/121 ,  F05D2300/133 ,  F05D2300/50 ,  F05D2300/614

Abstract: A fan rotor includes a rotor body with at least one slot receiving a fan blade. The fan blade has an outer surface, at least at some areas, formed of a first material and an airfoil extending from a dovetail. The dovetail is received in the slot. A spacer is positioned radially inwardly of the dovetail biasing the fan blade against the slot. The spacer includes a grounding element, which is in contact with a portion of the dovetail formed of a second material that is more electrically conductive than the first material. The grounding element is in contact with a rotating element that rotates with the rotor. The rotating element is formed of a third material. The first material is less electrically conductive than the third material. The grounding and rotating elements form a ground path from the portion of the dovetail into the rotor.

Abstract translation: 风扇转子包括具有容纳风扇叶片的至少一个槽的转子体。 风扇叶片至少在某些区域具有由第一材料形成的外表面和从燕尾形延伸的翼型件。 燕尾接收在槽中。 间隔件位于燕尾径向向内的位置，将风扇叶片偏置在狭槽上。 间隔件包括接地元件，该接地元件与由第二材料形成的燕尾形部分接触，该第二材料比第一材料更具导电性。 接地元件与转子一起旋转的旋转元件接触。 旋转元件由第三材料形成。 第一种材料比第三种材料导电性差。 接地和旋转元件形成从燕尾的部分到转子的接地路径。

公开(公告)号：US10982683B2

公开(公告)日：2021-04-20

申请号：US15039929

申请日：2014-11-25

Applicant: UNITED TECHNOLOGIES CORPORATION

Inventor： Lee Drozdenko ,  James O. Hansen ,  Jesse C. Meyer ,  Maria C. Kirejczyk ,  Scot A. Webb ,  Brandon A. Gates ,  Richard B. Bergethon

IPC: F04D29/38 ,  B32B7/12 ,  F01D5/28 ,  F01D5/14 ,  F01D5/12 ,  B32B5/02 ,  B32B15/14 ,  B32B15/20 ,  F04D29/02 ,  F04D29/32

Abstract: A blade comprises an airfoil extending from a trailing edge to a leading edge. The airfoil includes a body formed of an aluminum containing material. A sheath is at the leading edge and is formed of a titanium containing material. A sandwich is positioned intermediate the sheath and the airfoil body, the sandwich including an outer adhesive layer adjacent the sheath, an intermediate fabric layer and an inner adhesive layer adjacent the body. A gas turbine engine is also disclosed.

公开(公告)号：US10760592B1

公开(公告)日：2020-09-01

申请号：US15869253

申请日：2018-01-12

Applicant: UNITED TECHNOLOGIES CORPORATION

Inventor： Xuedong Zhou ,  Jordan J. Franklin ,  Michael A. Weisse ,  Lee Drozdenko ,  Mouhamadou Diop ,  Daniel W. Yebo ,  Linda S. Li

IPC: F01D5/16 ,  F04D29/66 ,  F04D29/32 ,  F04D29/38 ,  F02K3/06 ,  F02C3/04

Abstract: A turbomachine airfoil element includes an airfoil that has pressure and suction sides spaced apart from one another in a thickness direction and joined to one another at leading and trailing edges. The airfoil extends in a radial direction a span that is in a range of 17.2-18.2 inches (436-462 mm). A chord length extends in a chordwise direction from the leading edge to the trailing edge at 50% span is in a range of 10.0-11.0 inches (255-281 mm). The airfoil element includes at least two of a first mode with a frequency of 51±10% Hz, a second mode with a frequency of 147±10% Hz, a third mode with a frequency of 267±10% Hz, a fourth mode with a frequency of 350±10% Hz, a fifth mode with a frequency of 454±10% Hz and a sixth mode with a frequency of 619±10% Hz.

公开(公告)号：US10508556B2

公开(公告)日：2019-12-17

申请号：US14761841

申请日：2013-01-17

Applicant: United Technologies Corporation

Inventor： Lee Drozdenko ,  James H. Moffitt

IPC: F01D5/32 ,  F01D5/30 ,  F01D25/28 ,  F01D5/02 ,  F01D5/12 ,  B25B7/02 ,  B25B7/08 ,  F01D15/12

Abstract: An assembly includes a rotor disk, a rotor blade and a root spacer. The rotor disk includes a slot that extends longitudinally into the rotor disk. The rotor blade includes a blade root arranged within the slot. The root spacer is arranged with the slot between the rotor disk and the blade root. The root spacer extends longitudinally to a spacer end, and includes a grip element and a plurality of notches. The grip element is arranged at the spacer end laterally between the notches. The grip element at least partially defines the notches. The notches extend radially and longitudinally into the root spacer.

公开(公告)号：US09422819B2

公开(公告)日：2016-08-23

申请号：US13718776

申请日：2012-12-18

Applicant: United Technologies Corporation

Inventor： Lee Drozdenko ,  William R. Graves

IPC: F01D5/30

CPC classification number: F01D5/3092 ,  F01D5/3007 ,  F05D2220/36

Abstract: A rotor assembly is provided that includes a rotor blade, a root spacer, and a rotor disk with a slot. The rotor blade includes a blade root arranged within the slot. The blade root includes a root base segment and a pair of root side segments. The root base segment is laterally separated from the rotor disk by the root side segments. The root spacer is arranged within the slot, and includes a side surface that extends radially between an inner surface and an outer surface. The side surface is approximately laterally aligned with an intersection between the root base segment and a first of the root side segments. The outer surface engages the root base segment.

Abstract translation: 提供了一种转子组件，其包括转子叶片，根间隔件和具有槽的转子盘。 转子叶片包括布置在槽内的叶片根部。 叶片根部包括根部基部段和一对根部侧段。 根部基部通过根侧段与转子盘横向分离。 根间隔件布置在槽内，并且包括在内表面和外表面之间径向延伸的侧表面。 侧表面与根部基部段和第一根侧段之间的交叉点大致横向对准。 外表面接合根部基部。

公开(公告)号：US09359906B2

公开(公告)日：2016-06-07

申请号：US13718719

申请日：2012-12-18

Applicant: United Technologies Corporation

Inventor： Lee Drozdenko ,  William R. Graves

IPC: F01D5/30 ,  F01D21/04

CPC classification number: F01D5/3007 ,  F01D5/3092 ,  F01D21/045

Abstract: A rotor assembly is provided that includes a rotor disk, a rotor blade and a root spacer. The rotor disk includes a slot. The rotor blade includes a blade root that is arranged within the slot. The root spacer is arranged within the slot between the rotor disk and the blade root. The root spacer includes a base segment, a side segment and a fracture feature. The base segment radially engages the rotor disk. The side segment is radially separated from the rotor disk by a gap. The fracture feature may radially fracture the root spacer at an intersection between the base segment and the side segment.

Abstract translation: 提供了一种转子组件，其包括转子盘，转子叶片和根间隔件。 转子盘包括槽。 转子叶片包括布置在槽内的叶片根部。 根间隔件布置在转子盘和叶片根部之间的槽内。 根间隔件包括基部段，侧段和断裂特征。 基座部分径向接合转子盘。 侧段通过间隙与转子盘径向分开。 断裂特征可以在基部段和侧部段之间的交叉处径向地破坏根部间隔物。