"Blade Monitoring System"

Abstract: In one embodiment, a blade monitoring system (120) includes: at least one computing device configured to monitor a compressor (4) during a load change by performing actions comprising: extracting a dynamic component of a blade time-of-arrival (TOA) deviation signal in response to the load change on the compressor (4); calculating, using the dynamic component, at least one of a natural frequency of the GT compressor blade (10) during the load change, an overshoot of the GT compressor blade (10) during the load change, a rise time of the compressor blade during the load change, a damping factor of the compressor blade during the load change, or a settling time of the GT compressor blade (10) after the load change; and determining whether the GT compressor blade (10) is damaged based upon the at least one of: the natural frequency, the overshoot, the rise time, the damping factor, or the settling time. Parts List 2 Environment 4 Compressor 6 First Sensor 8 Second Sensor 10 Blade (nominal position) 12 Blade (operational position) 20 Sensor System 22 Blade Passing Signal (BPS) 24 Load Change Instructions 40 Blade Monitoring System 43 Obtainer 53 Comparator 63 Extractor 73 Calculator 83 Determinator 120 Computer System 122 Processing Component 124 Storage Component 126 I/O Component 132 Modules 136 User 138 Control System PI Sensing a BPS of a passing gas turbine compressor blade P2 Obtaining the BPS and extracting a time-of-arrival (TOA) signal from the BPS 26 P3 Calculating delta-TOA signal of gas turbine compressor blade P4 Extracting dynamic component of delta-TOA signal P5 Calculating at least one of: natural frequency, overshoot, rise time, damping factor, or settling time for gas turbine compressor blade P6 Determining whether gas turbine compressor blade is damaged 27

Patent Information

Application #

Filing Date

12 May 2011

Publication Number

18/2012

Publication Type

INA

Invention Field

MECHANICAL ENGINEERING

Status

Email

Parent Application

Patent Number

Legal Status

Grant Date

2022-05-25

Renewal Date

Applicants

GENERAL ELECTRIC COMPANY

1 RIVER ROAD, SCHENECTADY, NEW YORK 12345 U.S.A.

Inventors

1. BADAMI VIVEK VENUGOPAL

ONE RIVER ROAD 55-233D SCHENECTADY, NEW YORK 12345, U.S.A.

Specification

Documents

Orders

Section	Controller	Decision Date

Application Documents

#	Name	Date
1	1407-del-2011-Form-3-(06-09-2011).pdf	2011-09-06
2	1407-del-2011-Correspondence-Others-(06-09-2011).pdf	2011-09-06
3	1407-del-2011-GPA.pdf	2012-01-18
4	1407-del-2011-Form-5.pdf	2012-01-18
5	1407-del-2011-Form-3.pdf	2012-01-18
6	1407-del-2011-Form-2.pdf	2012-01-18
7	1407-del-2011-Form-1.pdf	2012-01-18
8	1407-del-2011-Drawings.pdf	2012-01-18
9	1407-del-2011-Description (Complete).pdf	2012-01-18
10	1407-del-2011-Correspondence-others.pdf	2012-01-18
11	1407-del-2011-Claims.pdf	2012-01-18
12	1407-del-2011-Assignment.pdf	2012-01-18
13	1407-del-2011-Abstract.pdf	2012-01-18
14	1407-DEL-2011-FER.pdf	2018-10-26
15	1407-DEL-2011-OTHERS [22-04-2019(online)].pdf	2019-04-22
16	1407-DEL-2011-FER_SER_REPLY [22-04-2019(online)].pdf	2019-04-22
17	1407-DEL-2011-DRAWING [22-04-2019(online)].pdf	2019-04-22
18	1407-DEL-2011-CORRESPONDENCE [22-04-2019(online)].pdf	2019-04-22
19	1407-DEL-2011-COMPLETE SPECIFICATION [22-04-2019(online)].pdf	2019-04-22
20	1407-DEL-2011-CLAIMS [22-04-2019(online)].pdf	2019-04-22
21	1407-DEL-2011-ABSTRACT [22-04-2019(online)].pdf	2019-04-22
22	1407-DEL-2011-RELEVANT DOCUMENTS [13-05-2019(online)].pdf	2019-05-13
23	1407-DEL-2011-RELEVANT DOCUMENTS [13-05-2019(online)]-1.pdf	2019-05-13
24	1407-DEL-2011-FORM 13 [13-05-2019(online)].pdf	2019-05-13
25	1407-DEL-2011-FORM 13 [13-05-2019(online)]-1.pdf	2019-05-13
26	1407-DEL-2011-Power of Attorney-130619.pdf	2019-06-27
27	1407-DEL-2011-Correspondence-130619.pdf	2019-06-27
28	1407-DEL-2011-US(14)-HearingNotice-(HearingDate-10-03-2022).pdf	2022-02-15
29	1407-DEL-2011-Written submissions and relevant documents [23-03-2022(online)].pdf	2022-03-23
30	1407-DEL-2011-PatentCertificate25-05-2022.pdf	2022-05-25
31	1407-DEL-2011-IntimationOfGrant25-05-2022.pdf	2022-05-25

Search Strategy

1	search_1407DEL2011_08-03-2018.PDF