公开(公告)号：US10933509B2

公开(公告)日：2021-03-02

申请号：US16002511

申请日：2018-06-07

Applicant: ROLLS-ROYCE plc

Inventor： Alessio Spampinato ,  Dragos A. Axinte ,  Donka Novovic ,  Paul Butler-Smith

IPC: B24D5/06 ,  B24D18/00 ,  B24B53/12 ,  B24B19/00

Abstract: A rotary abrasive machining tool (101) is shown. The tool comprises a hub (103) having plurality of axially-oriented radial slots in the outer circumference thereof, and plurality of abrasive segments each of which is located in a respective slot in the hub and which form an abrading surface (102). The abrasive segments comprise a tab for location in a slot in the hub, and an abrading edge defining a plurality of abrasive elements.

公开(公告)号：US11904427B2

公开(公告)日：2024-02-20

申请号：US16712782

申请日：2019-12-12

Applicant: ROLLS-ROYCE plc

Inventor： Donka Novovic ,  Dragos A Axinte ,  Alessio Spampinato

IPC: B24B19/00 ,  B24B53/017 ,  B24B53/06 ,  B24B53/14 ,  B24D5/06 ,  B24D18/00

CPC classification number: B24B19/009 ,  B24B53/017 ,  B24B53/06 ,  B24B53/14 ,  B24D5/06 ,  B24D18/0009 ,  B24D2203/00

Abstract: A method of manufacturing a rotary abrasive machining tool, the rotary abrasive machining tool including a hub and a plurality of abrasive segments mounted to the hub, the method including the steps of: mounting each abrasive segment on the hub; machining an abrading edge on each abrasive segment while the abrasive segment is mounted on the hub.

公开(公告)号：US11773737B1

公开(公告)日：2023-10-03

申请号：US17733135

申请日：2022-04-29

Applicant: Rolls-Royce PLC

Inventor： Michael John Whittle ,  Donka Novovic ,  James William Philip Montgomery

IPC: F01D9/04 ,  F01D11/00

CPC classification number: F01D9/042 ,  F01D11/005 ,  F05D2240/11 ,  F05D2300/20

Abstract: A stator vane assembly for a gas turbine engine is disclosed. The stator vane assembly includes an inner carrier including a metallic material and an outer carrier including a metallic material. The stator vane assembly further includes a ceramic-containing airfoil that extends from the inner carrier to the outer carrier and is at least partially received by the inner carrier and the outer carrier. The stator vane assembly further includes a load transfer device disposed between the airfoil and at least one of the inner carrier and the outer carrier. The load transfer device includes a support member fixedly attached to the at least one of the inner carrier and the outer carrier, and a plurality of micropillars coupled to the support member and extending towards the airfoil. Each micropillar is deformable and engages the airfoil.

公开(公告)号：US11267096B2

公开(公告)日：2022-03-08

申请号：US16691655

申请日：2019-11-22

Applicant: ROLLS-ROYCE plc

Inventor： Donka Novovic ,  James Kelsey ,  David T. Curtis

IPC: B24B19/14

Abstract: A method of manufacturing a component is provided. The method includes performing a machining operation by moving a rotating, abrasive grinding tool along a feed direction to remove material from the component. At least the part of the component from which the material is removed is formed of composite material. The abrasive grinding tool follows a trochoidal path along the feed direction.

公开(公告)号：US10239184B2

公开(公告)日：2019-03-26

申请号：US15054690

申请日：2016-02-26

Applicant: ROLLS-ROYCE PLC

Inventor： Dragos Axinte ,  Donka Novovic ,  Paul Butler-Smith ,  Alessio Spampinato ,  Mark Daine

IPC: B24D5/06 ,  B24D5/14 ,  B24B53/06 ,  B24B53/07 ,  B24B53/14 ,  B24D18/00 ,  B24B53/053 ,  B24D3/00

Abstract: A roller assembly for a rotary dresser comprise a plurality of axial segments which may be in the form of discs, each disc provided with an abrasive, radially outer surface. The discs are secured in axial alignment, each in a preconfigured rotational orientation. The disc assembly has a centrally arranged aperture for receiving a rotor shaft. The abrasive surface of the assembly can be accurately presented as an array of uniformly shaped abrasive units in a predefined pattern.