公开(公告)号：US20200171757A1

公开(公告)日：2020-06-04

申请号：US16688363

申请日：2019-11-19

Applicant: ROLLS-ROYCE plc

Inventor： Oliver J. LOGAN ,  Yusuf S. MAHADIK ,  Stephen HALLETT

IPC: B29C65/56 ,  B29C65/00

Abstract: The present disclosure concerns apparatus and methods for reinforcing composite materials by insertion of reinforcement pins. Example embodiments include an apparatus for reinforcing a composite preform, comprising: a carriage for introducing reinforcement pins into the composite preform, the carriage comprising a drill module, a pin feeder module and a tamper module, the assembly being translatable relative to the composite preform, wherein the drill module and pin feeder module are exchangeable between a common actuation position on the carriage.

公开(公告)号：US20230192979A1

公开(公告)日：2023-06-22

申请号：US18058912

申请日：2022-11-28

Applicant: ROLLS-ROYCE plc

Inventor： Eduardo SANTANA DE VEGA ,  Giuliano ALLEGRI ,  Stephen HALLETT ,  Ian HAMERTON ,  Bing ZHANG

IPC: C08J5/24 ,  B29C70/82

CPC classification number: C08J5/246 ,  B29C70/82 ,  C08J2363/00 ,  C08J2375/00 ,  C08J2379/08 ,  C08J2367/00 ,  C08J2479/06

Abstract: A Z-pin for increasing a delamination resistance of continuous fibre-reinforced polymer composites, formed of a composite material including a polymer matrix, and a plurality of fibres embedded in the polymer matrix and aligned along the length direction of Z-pin, the fibres having an elongation at break of at least 2% and a tensile strength of at least 5 GPa, the polymer matrix having an elongation at break equal to or greater than the elongation at break of the fibres, and a tensile strength of at least 120 MPa.

公开(公告)号：US20170261002A1

公开(公告)日：2017-09-14

申请号：US15448076

申请日：2017-03-02

Applicant: ROLLS-ROYCE plc

Inventor： Beene M'MEMBE ,  Mehdi YASAEE ,  Stephen HALLETT ,  Ivana PARTRIDGE

IPC: F04D29/52 ,  F04D29/02 ,  F04D29/38

CPC classification number: F04D29/522 ,  F01D5/282 ,  F01D25/24 ,  F02C7/04 ,  F02K1/82 ,  F02K3/06 ,  F04D29/023 ,  F04D29/324 ,  F04D29/388 ,  F05D2220/32 ,  F05D2220/36 ,  F05D2300/171 ,  F05D2300/603 ,  Y02T50/672

Abstract: A composite component comprising a plurality of plies. A first set of pins extend in a direction transverse to the plies and a second set of pins extend in a direction transverse to the plies. The pins of the first set are made of a different material to the pins of the second set.