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公开(公告)号：US10444106B2
公开(公告)日：2019-10-15
申请号：US15349312
申请日：2016-11-11
Applicant: SKF Magnetic Mechatronics
Inventor： Ulrich Schroeder
Abstract: A balancing method for balancing at high speed a flexible rotor of a rotary machine, the rotary machine having a stator, and the rotor being supported in the stator by at least two radial magnetic bearings. The balancing method including a step of placing the rotor inside the stator, a step of performing at least one first run in order to identify amplitude and angular location of the unbalance in a first speed range below critical speed, a step of placing first balancing masses inside the rotor on predefined first balancing planes, a step of performing at least one second run in order to identify amplitude and angular location of the unbalance in a second speed range above critical speed, and a step of placing second balancing masses inside the rotor on predefined second balancing planes.
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2.发明申请公开(公告)号：US20170167894A1
公开(公告)日：2017-06-15
申请号：US15349215
申请日：2016-11-11
Applicant: SKF Magnetic Mechatronics
Inventor： Ulrich Schroeder , Eduardo Carrasco
CPC classification number: G01D5/20 , F16C32/0406 , F16C41/007 , G01B7/003 , H02K7/09 , H02K11/225
Abstract: A device for detecting the axial position of a rotor shaft of a rotary machine having a stator and a rotor is provided. The detecting device includes a sensor stator ring, secured to the stator, made from ferromagnetic material, facing the shoulder of one end of the hollow or not hollow rotor shaft and arranged so as to leave an axial airgap with the one end of the rotor shaft. The sensor stator ring having at least one annular slot receiving an annular induction coil. The rotor shaft is made from solid magnetic steel, an outer end of the rotor shaft acts as a target surface whose axial position is to be measured by the sensor stator ring.
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公开(公告)号：US20170167943A1
公开(公告)日：2017-06-15
申请号：US15349312
申请日：2016-11-11
Applicant: SKF Magnetic Mechatronics
Inventor： Ulrich Schroeder
CPC classification number: G01M1/32 , F16C32/0446 , F16C32/048 , F16C2380/28 , H02K7/04 , H02K7/09 , H02K15/165 , Y10T29/49004
Abstract: A balancing method for balancing at high speed a flexible rotor of a rotary machine, the rotary machine having a stator, and the rotor being supported in the stator by at least two radial magnetic bearings. The balancing method including a step of placing the rotor inside the stator, a step of performing at least one first run in order to identify amplitude and angular location of the unbalance in a first speed range below critical speed, a step of placing first balancing masses inside the rotor on predefined first balancing planes, a step of performing at least one second run in order to identify amplitude and angular location of the unbalance in a second speed range above critical speed, and a step of placing second balancing masses inside the rotor on predefined second balancing planes.
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4.发明授权公开(公告)号：US10088337B2
公开(公告)日：2018-10-02
申请号：US15349215
申请日：2016-11-11
Applicant: SKF Magnetic Mechatronics
Inventor： Ulrich Schroeder , Eduardo Carrasco
Abstract: A device for detecting the axial position of a rotor shaft of a rotary machine having a stator and a rotor is provided. The detecting device includes a sensor stator ring, secured to the stator, made from ferromagnetic material, facing the shoulder of one end of the hollow or not hollow rotor shaft and arranged so as to leave an axial airgap with the one end of the rotor shaft. The sensor stator ring having at least one annular slot receiving an annular induction coil. The rotor shaft is made from solid magnetic steel, an outer end of the rotor shaft acts as a target surface whose axial position is to be measured by the sensor stator ring.
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