公开(公告)号：US10260512B2

公开(公告)日：2019-04-16

申请号：US15212027

申请日：2016-07-15

Applicant: Rolls-Royce Corporation

Inventor： Christopher Hall ,  Graham Burkholder ,  Xuekun Sun ,  Jeff Crutchfield ,  Ben Hodgson

IPC: G01M15/14 ,  F04D27/00 ,  F02K3/06 ,  F01D5/34 ,  F01D21/00 ,  F04D29/32

Abstract: According to one aspect, a method of releasing a fan blade for testing a turbofan engine includes arranging an external shaped charge about an airfoil and modifying the airfoil by extricating one or more portions of material from one or more sides of the airfoil. The method further includes detonating the external shaped charge such that the airfoil is released at a selected time.

公开(公告)号：US20180016934A1

公开(公告)日：2018-01-18

申请号：US15211964

申请日：2016-07-15

Applicant: Rolls-Royce Corporation

Inventor： Christopher Hall ,  Graham Burkholder ,  Xuekun Sun ,  Jeff Crutchfield ,  Ben Hodgson ,  Dennes Kyle Burney

IPC: F01D21/00 ,  C06C5/04 ,  F42B3/00 ,  F01D5/34 ,  F04D29/32

CPC classification number: F01D21/003 ,  F01D5/34 ,  F01D21/045 ,  F04D29/322 ,  F04D29/644 ,  F42B3/006

Abstract: According to one aspect, a method of releasing a fan blade for testing a turbofan engine includes providing an internal passage with a constant arc through an airfoil arranged about a blisk such that the constant arc of the internal passage aligns with a contour of the blisk. The method further includes packing the internal passage with a charge, modifying the airfoil such that the airfoil is released from the blisk evenly along a chordwise length of the airfoil, and detonating the charge such that the airfoil is released from the blisk at a selected time.

公开(公告)号：US10113442B2

公开(公告)日：2018-10-30

申请号：US15211964

申请日：2016-07-15

Applicant: Rolls-Royce Corporation

Inventor： Christopher Hall ,  Graham Burkholder ,  Xuekun Sun ,  Jeff Crutchfield ,  Ben Hodgson ,  Dennes Kyle Burney

IPC: G01M15/14 ,  F01D21/00 ,  F01D5/34 ,  F01D21/04 ,  F04D29/32 ,  F04D29/64 ,  F42B3/00

Abstract: According to one aspect, a method of releasing a fan blade for testing a turbofan engine includes providing an internal passage with a constant arc through an airfoil arranged about a blisk such that the constant arc of the internal passage aligns with a contour of the blisk. The method further includes packing the internal passage with a charge, modifying the airfoil such that the airfoil is released from the blisk evenly along a chordwise length of the airfoil, and detonating the charge such that the airfoil is released from the blisk at a selected time.

公开(公告)号：US20180017065A1

公开(公告)日：2018-01-18

申请号：US15212027

申请日：2016-07-15

Applicant: Rolls-Royce Corporation

Inventor： Christopher Hall ,  Graham Burkholder ,  Xuekun Sun ,  Jeff Crutchfield ,  Ben Hodgson

IPC: F04D27/00 ,  F02K3/06 ,  F04D29/64 ,  F04D29/34 ,  F04D29/38

CPC classification number: F04D27/001 ,  F01D5/34 ,  F01D21/003 ,  F01D21/045 ,  F02K3/06 ,  F04D29/322 ,  F05D2220/36 ,  F05D2260/83 ,  G01M15/14 ,  Y02T50/671

Abstract: According to one aspect, a method of releasing a fan blade for testing a turbofan engine includes arranging an external shaped charge about an airfoil and modifying the airfoil by extricating one or more portions of material from one or more sides of the airfoil. The method further includes detonating the external shaped charge such that the airfoil is released at a selected time.