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1. 发明申请

WO2021038101A1 METHOD AND SYSTEM FOR DETECTING A FUNCTIONAL FAILURE IN A POWER GEARBOX AND A GAS TURBO ENGINE 审中-公开
公开(公告)号：WO2021038101A1
公开(公告)日：2021-03-04
申请号：PCT/EP2020/074216
申请日：2020-08-31
申请人： ROLLS-ROYCE DEUTSCHLAND LTD & CO KG
发明人： NOWOISKY, Sebastian , CICIRIELLO, Lucia , M.SC. GRZESZKOWSKI, Mateusz , M.SC. MOKHTARI MOLK ABADI, Noushin
IPC分类号： F02C7/36 , F01D21/00 , F01D21/14 , F02K3/06
摘要： The invention relates to a method and system for detecting a functional failure in a power gearbox, in particular an epicyclic gearbox (30) in an aircraft gas turbine engine (10) comprising • a) measuring operational data (101) in the gas turbine engine, • b) obtaining analyzed operational data (102), • c) using the analyzed operational data (102) in a comparison with stored baseline operational data (103) to determine deviation data (104) from the baseline operational data (103), • d) determining time dependent trend data (105) from the deviation data (104) or determining at least a first state measured dependent on the power generation, the power consumption or the power regulation of the gas turbine engine (10) and measuring at least a second state measured dependent on vibrational data of the gas turbine engine (10), and • e) generating a signal and / or a protocol (106) for controlling the power gearbox, in particular the epicyclic gearbox (30) and / or the gas turbine engine (10) based on the time dependent trend data (105), in particular if a predetermined condition or threshold is exceeded or based on the at least one first state and the at least one second state.

2. 发明公开

EP3628998A1 VERFAHREN UND VORRICHTUNG ZUR SCHÄTZUNG DES VERSCHLEISSZUSTANDES EINES GLEITLAGERS 审中-公开
公开(公告)号：EP3628998A1
公开(公告)日：2020-04-01
申请号：EP19198856.7
申请日：2019-09-23
申请人： Rolls-Royce Deutschland Ltd & Co KG
发明人： NOWOISKY, Sebastian , MOKHTARI MOLK ABADI, Noushin , GRZESZKOWSKI, Mateusz
IPC分类号： G01M13/045 , G01N29/14 , G01N29/40 , G01N29/44
摘要： Die Erfindung betrifft ein Verfahren zur Schätzung des Verschleißzustandes eines Gleitlagers (1) mit einer darin gelagerten, insbesondere darin drehenden Welle (6), wobei mindestens ein zeitabhängiges Körperschallsignal (S) des Gleitlagers (1) von mindestens einem Körperschallsensor (3), insbesondere genau einem Körperschallsensor (3) aufgenommen wird, gekennzeichnet durch
a) eine Ermittlung (201, 202, 203) des zeitlichen Verlaufs mindestens eines Reibungsereignisses (a, b, c, d) aus dem Körperschallsignal (S) mittels eines mathematischen Reibungsereignismodells (R),
b) eine Bestimmung (204) eines Maßes (M), das mindestens ein Reibungsereignis basierend auf der zeitlichen Dauer (T a , T b , T c , T d ) des mindestens einen Reibungsereignisses (a, b, c, d), der Amplitude (A a , A b , A c , A d ) des mindestens einen Reibungsereignisses (a, b, c, d) und / oder eines Integralmaßes (I a , I b , I c ,) über das mindestens eine Reibungsereignis (a, b, c, d) charakterisiert,
c) Kombination (205) des über die Zeit akkumulierten Maßes (M) mit einer Winkelangabe (ϕ(t)) für das mindestens eine Reibungsereignis (a, b, c, d) am Umfang des Gleitlagers (1) zur Bestimmung eines räumlich aufgelösten Verschleißmodells (W) des Gleitlagers (1), wobei das räumlich aufgelöste Verschleißmodell (W) durch einen Schätzfilter gewonnen wird, und
d) Ausgabe (206) eines Signals (D) in Abhängigkeit vom Verschleißmodell (W) zur Charakterisierung des Verschleißzustands. Die Erfindung betrifft auch eine Vorrichtung zur Überwachung eines Gleitlagers (1).

3. 发明授权

EP3447469B1 VERFAHREN UND VORRICHTUNG ZUR ÜBERWACHUNG EINES GLEITLAGERS 有权
公开(公告)号：EP3447469B1
公开(公告)日：2020-07-08
申请号：EP18189758.8
申请日：2018-08-20
申请人： Rolls-Royce Deutschland Ltd & Co KG
发明人： NOWOISKY, Sebastian , MOKHTARI MOLK ABADI, Noushin
IPC分类号： G01M13/04

4. 发明公开

EP3786429A1 METHOD AND SYSTEM FOR DETECTING A FUNCTIONAL FAILURE IN A POWER GEARBOX AND A GAS TURBO ENGINE 有权转让
公开(公告)号：EP3786429A1
公开(公告)日：2021-03-03
申请号：EP19194753.0
申请日：2019-08-30
申请人： Rolls-Royce Deutschland Ltd & Co KG , Technische Universität Berlin
发明人： NOWOISKY, Sebastian , CICIRIELLO, Lucia , GRZESZKOWSKI, Mateusz , MOKHTARI MOLK ABADI, Noushin
IPC分类号： F02C7/36 , F01D21/00 , F01D21/14 , F02K3/06
摘要： The invention relates to a method and system for detecting a functional failure in a power gearbox, in particular an epicyclic gearbox (30) in an aircraft gas turbine engine (10) comprising
a) measuring operational data (101) in the gas turbine engine (10) of least two operational parameters dependent on the power generation and / or power consumption of the gas turbine engine (10) and / or the power gearbox, in particular the epicyclic gearbox (30),
b) obtaining analyzed operational data (102) comprising time data, angular data of a rotation, frequency data and / or phase data from the measured operational data (102),
c) using the analyzed operational data (102) in a comparison with stored baseline operational data (103) to determine deviation data (104) from the baseline operational data (103),
d) determining time dependent trend data (105) from the deviation data (104), and
e) generating a signal and / or a protocol (106) for controlling the power gearbox, in particular the epicyclic gearbox (30) and / or the gas turbine engine (10) based on the time dependent trend data (105), in particular if a predetermined condition or threshold is exceeded.

5. 发明公开

EP3627135A1 METHOD AND DEVICE FOR MONITORING A JOURNAL BEARING 审中-公开
公开(公告)号：EP3627135A1
公开(公告)日：2020-03-25
申请号：EP19197907.9
申请日：2019-09-18
申请人： Rolls-Royce Deutschland Ltd & Co KG , Rolls-Royce plc
发明人： NOWOISKY, Sebastian , MOKHTARI MOLK ABADI, Noushin , PELHAM, Jonathan
IPC分类号： G01M13/045
摘要： The invention relates to a method for monitoring at least one journal bearing (50) for a shaft (51) in respect to at least one acoustic event (F), in particular a friction or damage related acoustic event, in the journal bearing (50), the at least one journal bearing (50) coupled with a gearbox (30), wherein
a) a time dependent solid borne sound signal (S), in particular emitted by the journal bearing (50) is detected by at least one solid borne sound signal sensor (60),
b) the output signal of the at least one solid borne sound signal sensor (60) is transmitted to a signal pre-processing device (70),
c) frequency components of the solid borne sound signal (S) with of more than 250 kHz, in particular between 200 kHz and 1 MHz, are amplified in the signal pre-processing device (70) and / or
frequency components of the solid borne sound signal (S) with a frequency of less than 50 kHz, in particular between 5 Hz and 50 Hz, more in particular between 5 Hz and 30 kHz are attenuated in the signal pre-processing device (70), and subsequently
d) the output signal (S') of the signal pre-processing device (70) is wirelessly transmitted via an antenna device (71) to a signal evaluation device (80) for the detection and / or location of the at least one acoustic event (F).
The invention also relates to a device.

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