公开(公告)号：US10168306B2

公开(公告)日：2019-01-01

申请号：US14601673

申请日：2015-01-21

Applicant: ROLLS-ROYCE PLC

Inventor： Peter Russhard ,  Jason David Back

IPC: G01N29/44 ,  G01M15/14 ,  F01D21/00 ,  G01N29/07 ,  F01D17/06 ,  G01P3/489 ,  G01H1/00

Abstract: A rotor arrangement and method by which a time reference is provided for a rotor. The rotor includes N time of arrival features. The method includes steps to: provide a plurality of time of arrival probes spaced apart circumferentially outside the periphery of the rotor; for each revolution of the rotor, measure a time of arrival of each feature at each probe; select N time of arrival measurements at each probe; derive a best fit of the measured times of arrival measured at all the probes against angular position; and set the time reference for the next revolution of the rotor equal to the best fit at the end of the current revolution of the rotor.

公开(公告)号：US10281297B2

公开(公告)日：2019-05-07

申请号：US14204210

申请日：2014-03-11

Applicant: ROLLS-ROYCE PLC

Inventor： Peter Russhard ,  Jason David Back

IPC: G01D3/02 ,  G01H1/00 ,  F01D17/02 ,  F01D21/00 ,  G01M15/14

Abstract: A method of zeroing displacement data derived from a rotor having an array of features monitored by an array of stationary timing probes. The method includes steps to calculate the displacement at each probe for each of at least two measured revolutions from time of arrival measurements. Each displacement is defined as a sum of a common term and a unique term. The set of displacements is solved for the common term and the unique terms. A probe offset is calculated from each unique term. The zeroed displacements are determined by subtracting the common term and probe offset from the calculated displacements for each probe.

公开(公告)号：US09329377B2

公开(公告)日：2016-05-03

申请号：US13967768

申请日：2013-08-15

Applicant: ROLLS-ROYCE PLC

Inventor： James Kell ,  Thomas Danvers ,  Peter Russhard ,  Clive Mark Beech ,  Graeme Rigg ,  Ian McGill

IPC: B08B7/00 ,  G02B23/24 ,  F01D5/00 ,  B24B49/12 ,  B08B1/00 ,  B25F3/00 ,  B23Q17/24 ,  B08B1/04 ,  B08B9/00 ,  B08B9/02 ,  B08B9/027 ,  A46B13/02

CPC classification number: G02B23/2469 ,  A46B13/02 ,  A46B2200/30 ,  A46B2200/40 ,  B08B1/00 ,  B08B1/002 ,  B08B1/04 ,  B08B9/00 ,  B08B9/02 ,  B08B9/027 ,  B23Q17/24 ,  B24B49/12 ,  B25F3/00 ,  F01D5/005 ,  G02B23/2423 ,  Y10T29/49234 ,  Y10T29/49769

Abstract: A boroscope has a first end and a second end, and the first end of the boroscope has an optical fiber and light source. A working head is attached to the first end of the boroscope. The working head has an electrical motor, and a tool is attached to and is arranged to be driven by the electrical motor. The boroscope carries a cable extending from the electrical motor to the second end of the boroscope.

Abstract translation: 硼砂具有第一端和第二端，并且硼鼓的第一端具有光纤和光源。 工作头附着在火炬的第一端。 工作头具有电动马达，并且工具被附接并被布置成由电动马达驱动。 硼砂镜携带从电动机延伸到火炬的第二端的电缆。