EP 4370868 A1 20240522 - METHOD FOR MEASURING THE ROTOR ANGLE-BASED EXPANSION OF A ROTATING ROTOR UNDER CENTRIFUGAL STRESS
Title (en)
METHOD FOR MEASURING THE ROTOR ANGLE-BASED EXPANSION OF A ROTATING ROTOR UNDER CENTRIFUGAL STRESS
Title (de)
VERFAHREN ZUR MESSUNG DER ROTORWINKELBEZOGENEN AUFWEITUNG EINES DREHENDEN ROTORS UNTER FLIEHKRAFTBELASTUNG
Title (fr)
PROCÉDÉ DE MESURE DE L'EXPANSION ANGULAIRE DE ROTOR D'UN ROTOR ROTATIF SOUS CONTRAINTE CENTRIFUGE
Publication
Application
Priority
- DE 102021118105 A 20210713
- DE 2022100482 W 20220706
Abstract (en)
[origin: WO2023284913A1] In a method for measuring the expansion of a rotating rotor (5) on the basis of the rotor rotational speed, a first distance sensor (14) is arranged at a distance to the rotor surface, said distance sensor contactlessly detecting the distance between the rotor surface and the first distance sensor (14) in a time-based manner and generating first time-based electric distance signals. A zero mark sensor (16) scans zero marks applied onto the rotor (5) in a time-based manner. A second distance sensor (15) is arranged on a reference surface (19) which is remote from the first distance sensor (14) in the axial direction of the rotor (5) and from which the expansion and surface profile are identified. In order to eliminate disturbance variables, the signals detected by the second distance sensor can be calculated together with those of the first distance sensor.
IPC 8 full level
G01B 21/32 (2006.01)
CPC (source: EP KR)
G01B 21/02 (2013.01 - KR); G01B 21/22 (2013.01 - KR); G01B 21/32 (2013.01 - EP KR)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
DE 102021118105 A1 20230119; DE 102021118105 B4 20231116; CN 117642599 A 20240301; EP 4370868 A1 20240522; JP 2024525734 A 20240712; KR 20240028536 A 20240305; WO 2023284913 A1 20230119
DOCDB simple family (application)
DE 102021118105 A 20210713; CN 202280049258 A 20220706; DE 2022100482 W 20220706; EP 22750991 A 20220706; JP 2024501767 A 20220706; KR 20247004882 A 20220706