公开(公告)号：US20230024807A1

公开(公告)日：2023-01-26

申请号：US17859126

申请日：2022-07-07

Applicant: ROLLS-ROYCE plc

Inventor： Clive GRAFTON-REED

IPC: B23K26/24 ,  B23K26/06 ,  B23K26/067 ,  B23K26/08 ,  B23K26/03 ,  B23K26/14

Abstract: A system for welding a first component to a second component. The system includes a first laser head configured to emit a first laser beam and be movably disposable on a first side of the first component. The system further includes a second laser head configured to emit a second laser beam and be movably disposable on an opposing second side of the first component. The system further includes a controller configured to independently control a first power of the first laser beam and a second power of the second laser beam. The controller is also configured to independently and simultaneously control movement of the first laser head and movement of the second laser head relative to the first component.

公开(公告)号：US20140230558A1

公开(公告)日：2014-08-21

申请号：US14176553

申请日：2014-02-10

Applicant: ROLLS-ROYCE PLC

Inventor： Clive GRAFTON-REED ,  David WHITEHEAD ,  Simon CHEETHAM ,  Sundar MARIMUTHU

IPC: G01N29/24

CPC classification number: G01N29/2418 ,  B08B7/0042 ,  B23K26/03 ,  B23K26/352

Abstract: A method of cleaning a surface includes the steps of directing a laser beam to the surface at a predetermined location and capturing for the predetermined location a) data relating to an acoustic response induced by interaction of the laser with the surface, b) data relating to the optical reflectivity of the surface at the predetermined location, and c) data relating to the spectrographic response of a plume generated by interaction of the laser with the surface.

Abstract translation: 清洁表面的方法包括以下步骤：在预定位置处将激光束引导到表面并捕获预定位置a）与激光与表面的相互作用所引起的声响应相关的数据，b）与 表面在预定位置处的光学反射率，以及c）与激光与表面的相互作用产生的羽流的光谱响应有关的数据。

公开(公告)号：US20190134752A1

公开(公告)日：2019-05-09

申请号：US16160429

申请日：2018-10-15

Applicant: ROLLS-ROYCE plc

Inventor： Clive GRAFTON-REED

IPC: B23K26/384 ,  B23K26/03 ,  B23K26/035 ,  B23K26/06 ,  B23K26/382

Abstract: There is described a method of forming a cooling hole in a component having a wall comprising a first surface and a second surface, the method comprising: directing a first laser beam onto the first surface of the component wall at an oblique angle so as to drill a first hole extending from the first surface towards the second surface; directing a second laser beam onto the second surface of the component wall at an oblique angle so as to drill a second hole extending from the second surface towards the first surface, the first and second holes intersecting to form a cooling hole passing through the component wall between the first and second surfaces.

公开(公告)号：US20180318966A1

公开(公告)日：2018-11-08

申请号：US15969178

申请日：2018-05-02

Applicant: ROLLS-ROYCE plc

Inventor： Dale E. EVANS ,  Steven A. RADOMSKI ,  Clive GRAFTON-REED

IPC: B23K31/02 ,  F01D9/04

Abstract: A method of manufacturing a vane arrangement for a gas turbine engine comprises providing an aerofoil having a hollow cavity with an open end and providing a support member having a stub with a through hole extending therethrough. The method comprises welding the aerofoil to the stub such that the open end of the hollow cavity of the aerofoil is aligned with the through hole of the stub so as to define a hollow region extending through the support member and stub to the cavity of the aerofoil. During welding a tool is positioned within the through hole and cavity and is aligned with an interface between the stub and aerofoil, the tool being configured to prevent weld splatter onto a surface of the cavity or through hole.

公开(公告)号：US20190084042A1

公开(公告)日：2019-03-21

申请号：US15977502

申请日：2018-05-11

Applicant: ROLLS-ROYCE plc

Inventor： Ian M. GARRY ,  Clive GRAFTON-REED

IPC: B22F3/105 ,  B22F5/00

Abstract: An energy source for an additive manufacturing arrangement comprises a workpiece and a powder delivery device. The energy source is characterised in that it comprises a plurality of discrete energy sources. The plurality of discrete energy sources may be coordinated in use to deliver energy simultaneously to a plurality of regions of the workpiece in a matrix form.

公开(公告)号：US20170197278A1

公开(公告)日：2017-07-13

申请号：US15389190

申请日：2016-12-22

Applicant: ROLLS-ROYCE plc

Inventor： Ian M. GARRY ,  Clive GRAFTON-REED

IPC: B23K26/342 ,  B23K26/064 ,  B33Y80/00 ,  B33Y10/00 ,  B33Y30/00 ,  B23K26/03 ,  B23K26/06

CPC classification number: B23K26/342 ,  B22F3/1055 ,  B22F5/009 ,  B22F5/04 ,  B22F2003/1056 ,  B22F2003/1057 ,  B23K26/034 ,  B23K26/0608 ,  B23K26/064 ,  B23K2101/001 ,  B23K2103/02 ,  B23K2103/52 ,  B29C64/153 ,  B29C64/20 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B33Y80/00 ,  Y02P10/295

Abstract: An apparatus and method for performing an ALM process is described. A first energy beam source (1) provides an energy beam (1b) which selectively melts a substrate powder (3) into a melt pool. A second energy beam source (2) provides an energy beam (2b) to heat condition substrate powder proximate to the melt pool. The path of the second energy beam (2b) is controlled by a controller (6) to oscillate independently of the path followed by the first energy beam (1b). The method may be applied to control and optimise heating and cooling rates of the sintered substrate during the ALM process enabling its microstructure to be controlled to suit the end use of the product and reduce the occurrence of residual stresses and consequent crack propagation.

公开(公告)号：US20170106473A1

公开(公告)日：2017-04-20

申请号：US15288957

申请日：2016-10-07

Applicant: ROLLS-ROYCE plc ,  ROLLS-ROYCE POWER ENGINEERING PLC

Inventor： Steven P LAWLER ,  Daniel CLARK ,  Clive GRAFTON-REED ,  Keith BRIDGER

IPC: B23K26/34 ,  G21C13/02 ,  B23K26/08 ,  B23K26/144 ,  B23K26/16

CPC classification number: B23K26/34 ,  B23K26/0823 ,  B23K26/083 ,  B23K26/0876 ,  B23K26/144 ,  B23K26/16 ,  F01K3/181 ,  F22B37/002 ,  G21C13/02 ,  G21C21/00 ,  Y02E30/40

Abstract: A pressure vessel having a diameter greater than or equal to 1 m and made by laser cladding an inner surface of the vessel, the laser cladding following a helical path.

公开(公告)号：US20190030650A1

公开(公告)日：2019-01-31

申请号：US16034511

申请日：2018-07-13

Applicant: ROLLS-ROYCE plc

Inventor： Daniel CLARK ,  Clive GRAFTON-REED

IPC: B23K26/50 ,  B23K26/211 ,  B23K26/26

Abstract: A method of welding a first component and a second component together, the method comprising: controlling movement of a first component and/or a second component to form a joint, the first component and the second component defining a first side and a second side; controlling welding of the first component and the second component on the second side using filler to form a seal weld to seal the joint; controlling provision of a vacuum chamber to enclose the joint within a volume; controlling evacuation of the volume defined by the vacuum chamber; and controlling power beam welding of the joint, the power beam being provided from the first side and through the evacuated volume.

公开(公告)号：US20180328846A1

公开(公告)日：2018-11-15

申请号：US15973629

申请日：2018-05-08

Applicant: ROLLS-ROYCE plc

Inventor： Clive GRAFTON-REED

IPC: G01N21/64

CPC classification number: G01N21/643 ,  G01N2021/6439

Abstract: Method of determining an oxygen level inside a gas shield:providing a surface;positioning a gas shield over a portion of the surface;applying a pressure sensitive paint to the portion of the surface;flowing oxygen through the gas shield onto the portion of the surface;illuminating the portion of the surface;measuring a first fluorescent emission from the portion of the surface while oxygen is flowing through the gas shield;determining an oxygen saturation level across the portion of the surface in dependence on the magnitude of the first fluorescent emission;flowing a shield gas through the gas shield;illuminating the portion of the surface;measuring a second fluorescent emission from the portion of the surface while the shield gas is flowing through the gas shield; anddetermining an oxygen level across the portion of the surface in dependence on the relative magnitudes of first and second fluorescent emission.

公开(公告)号：US20170326685A1

公开(公告)日：2017-11-16

申请号：US15655388

申请日：2017-07-20

Applicant: ROLLS-ROYCE plc

Inventor： James KELL ,  Clive GRAFTON-REED ,  Dragos AXINTE

IPC: B23K26/342 ,  B23K26/211 ,  B23K26/00 ,  B23K26/08 ,  B23K26/32 ,  B23K35/02 ,  B23K26/064 ,  B23K35/365 ,  B23K35/30 ,  B23K103/18 ,  B08B7/00 ,  B23K101/00 ,  B23K101/34 ,  G02B26/10 ,  B23K103/08 ,  B23P6/00 ,  G02B23/24 ,  B23K103/02

CPC classification number: B23K26/342 ,  B08B7/0042 ,  B23K26/0006 ,  B23K26/0096 ,  B23K26/064 ,  B23K26/08 ,  B23K26/211 ,  B23K26/32 ,  B23K26/352 ,  B23K35/0244 ,  B23K35/3033 ,  B23K35/3046 ,  B23K35/3053 ,  B23K35/365 ,  B23K2101/001 ,  B23K2101/34 ,  B23K2103/02 ,  B23K2103/08 ,  B23K2103/26 ,  B23P6/002 ,  G02B23/2423 ,  G02B26/101

Abstract: A method of laser processing a component within an assembled apparatus using a boroscope, which includes a working head having first and second ends. A first optical fibre extends through the boroscope to a position between the first and second ends. A second optical fibre extends through the boroscope to the second end. A laser optical fibre extends through the boroscope. At least one lens is arranged between the first and second ends of the working head and a mirror is gimballed to the second end. The laser optical fibre directs laser light transmitted through the laser optical fibre onto the lens and then onto the mirror. A first LED is arranged at a position between the first and second ends of the working head and a second LED is arranged at the second end and an actuator device adjust the position of the mirror.