WO2007130380A3 - Rotating bearing analysis and monitoring system - Google Patents

Rotating bearing analysis and monitoring system Download PDF

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Publication number
WO2007130380A3
WO2007130380A3 PCT/US2007/010505 US2007010505W WO2007130380A3 WO 2007130380 A3 WO2007130380 A3 WO 2007130380A3 US 2007010505 W US2007010505 W US 2007010505W WO 2007130380 A3 WO2007130380 A3 WO 2007130380A3
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WO
WIPO (PCT)
Prior art keywords
failure
bearing
time period
time
calculating
Prior art date
Application number
PCT/US2007/010505
Other languages
French (fr)
Other versions
WO2007130380A2 (en
Inventor
John E Judd
Original Assignee
John E Judd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by John E Judd filed Critical John E Judd
Priority to US12/297,368 priority Critical patent/US7606673B2/en
Publication of WO2007130380A2 publication Critical patent/WO2007130380A2/en
Publication of WO2007130380A3 publication Critical patent/WO2007130380A3/en

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H13/00—Measuring resonant frequency

Abstract

A method of analyzing vibrations of a rolling element bearing installed in a rotating machine includes accessing vibration data corresponding to the bearing to be analyzed, determining a degraded condition factor BD for the bearing, selecting an expected designer-determined mean-time-to-failure MTTF of the bearing operating under a design load in the operating environment of the rotating machine, selecting a forecast time period, calculating a reduced mean-time-to-failure RMTTF of the bearing using the expected designer-determined mean-time-to-failure MTTF and the degraded condition factor BD, calculating a probability of failure of the bearing in the forecast time period using the reduced mean time to failure RMTTF, accessing cost data corresponding to a cost of failure of the bearing in the rotating machine, calculating a financial risk from the calculated probability of failure in the forecast time period and the cost data, and displaying the financial risk for the selected time period.
PCT/US2007/010505 2006-05-01 2007-04-30 Rotating bearing analysis and monitoring system WO2007130380A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/297,368 US7606673B2 (en) 2006-05-01 2007-04-30 Rotating bearing analysis and monitoring system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US79699206P 2006-05-01 2006-05-01
US60/796,992 2006-05-01

Publications (2)

Publication Number Publication Date
WO2007130380A2 WO2007130380A2 (en) 2007-11-15
WO2007130380A3 true WO2007130380A3 (en) 2008-12-04

Family

ID=38668245

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/010505 WO2007130380A2 (en) 2006-05-01 2007-04-30 Rotating bearing analysis and monitoring system

Country Status (2)

Country Link
US (1) US7606673B2 (en)
WO (1) WO2007130380A2 (en)

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Also Published As

Publication number Publication date
WO2007130380A2 (en) 2007-11-15
US7606673B2 (en) 2009-10-20
US20090093975A1 (en) 2009-04-09

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