-
公开(公告)号：US20220268171A1
公开(公告)日：2022-08-25
申请号：US17629548
申请日：2020-07-24
申请人： LORD Corporation
摘要： Systems and methods for measuring a clearance between a rotating machine component and a sensor unit are disclosed. In some aspects, a system includes a sensor unit oriented to detect the rotating machine component as the rotating machine component rotates past the sensor unit, the sensor unit including at least a first sensing element and a second sensing element spaced apart from the first sensing element. The system includes a sensor processing unit in electrical communication with the sensor unit. The sensor processing unit is configured for receiving a first waveform from the first sensing element; receiving a second waveform from the second sensing element; and determining, based on a comparison between the first waveform and the second waveform, a distance between the blade tip and the sensor unit.
-
公开(公告)号：US11205982B2
公开(公告)日：2021-12-21
申请号：US15758833
申请日：2016-09-21
申请人： LORD Corporation
发明人： Paul Black , Douglas Swanson , Russell E. Altieri
IPC分类号： H02P21/00 , H02P101/30 , H02P101/45
摘要： Actuators are components of machines, which move and/or control a mechanism or system. During operation, actuators can experience regeneration events, with the actuator actually generating excess energy (e.g., regenerative energy) which must be stored or dissipated to avoid damaging the power supply. An actuator motor controller is configured to implement field oriented voltage control and flux weakening voltage control without current sensors. Dissipating regenerative energy includes providing a motor controller to command a motor drive to modify an input voltage, or to dissipate regenerative energy in a dump circuit. This command can cause motor windings to dissipate regenerative energy. Systems having a plurality of actuators distribute regenerative energy from one actuator to another. A central controller provides centralized regeneration dissipation control for the plurality of actuators. A power distribution unit includes a dump resistor to dissipate regenerative energy in addition to or instead of in the actuators.
-
公开(公告)号：US10364865B2
公开(公告)日：2019-07-30
申请号：US14912820
申请日：2014-08-29
申请人： LORD Corporation
摘要： Circular force generator (CFG) devices, systems, and methods are disclosed having indirectly driven imbalanced rotors for generating vibrations and/or imparting vibration control. A CFG device (10) includes a first set of imbalanced rotors (12) disposed about a center point and a second set of imbalanced rotors (12) disposed about the center point. The first set of imbalanced rotors is configured to co-rotate synchronously. The second set of imbalanced rotors is configured to co-rotate synchronously. The first and second sets of imbalanced rotors are configured to create a controllable rotating force vector having a controllable magnitude and phase about the center point. A CFG system includes a controller and one or more CFG devices configured to receive control commands from the controller. A method of generating a force via a CFG device includes receiving a force command and generating a force in response to receiving the force command.
-
公开(公告)号：US12025013B2
公开(公告)日：2024-07-02
申请号：US17629548
申请日：2020-07-24
申请人： LORD Corporation
CPC分类号： F01D21/003 , F01D11/122 , G01B7/14 , F05D2270/303 , F05D2270/304 , F05D2270/305 , F05D2270/802 , F05D2270/807 , F05D2270/821
摘要： Systems and methods for measuring a clearance between a rotating machine component and a sensor unit are disclosed. In some aspects, a system includes a sensor unit oriented to detect the rotating machine component as the rotating machine component rotates past the sensor unit, the sensor unit including at least a first sensing element and a second sensing element spaced apart from the first sensing element. The system includes a sensor processing unit in electrical communication with the sensor unit. The sensor processing unit is configured for receiving a first waveform from the first sensing element; receiving a second waveform from the second sensing element; and determining, based on a comparison between the first waveform and the second waveform, a distance between the blade tip and the sensor unit.
-
公开(公告)号：US20220228934A1
公开(公告)日：2022-07-21
申请号：US17716563
申请日：2022-04-08
申请人： LORD Corporation
发明人： Daniel E. Kakaley , Scott Kennedy , Charles A. Clifton , William Arlendo Smith , Gary Martin , Russell E. Altieri , Douglas Swanson
IPC分类号： G01L3/10
摘要： Torque sensing devices, systems, and methods are capable of measuring and/or determining a torque being transmitted through a shaft by measuring the torsional deformation of the shaft over a short length thereof. Such devices, systems, and devices have a sensor positioned adjacent to the outer surface of the shaft as it rotates, the sensor being positioned to maintain a substantially constant distance between the sensor and the outer surface of the shaft. The sensors may be variable reluctance (VR) sensors rigidly attached to a frame mounted on a bearing (e.g., a hanger bearing), which is mounted on the shaft, such that relative radial motion between the shaft and the VR sensor is minimized (e.g., so that they move in unison). Reducing this amount of motion results in a more accurate torque measurement.
-
公开(公告)号：US20220146344A1
公开(公告)日：2022-05-12
申请号：US17582363
申请日：2022-01-24
申请人： LORD Corporation
摘要： Systems and methods for measuring twist on a shaft of a rotating drive system include a first set of targets circumferentially distributed around the shaft at a first axial location to rotate with the shaft and a second set of targets circumferentially distributed around the shaft at a second axial location to rotate with the shaft. The first and second sets of targets are interleaved. The system includes a sensor assembly including one or more sensors mounted around the shaft and configured to detect the first and second sets of targets as the shaft rotates. The system includes a sensor processing unit for receiving an electrical waveform from the sensor assembly, determining, based on the electrical waveform, a twist measurement of twist motion between the first axial location and the second axial location on the shaft, and determining, based on the electrical waveform, a second measurement of shaft motion.
-
公开(公告)号：US09752942B2
公开(公告)日：2017-09-05
申请号：US14897129
申请日：2014-06-27
申请人： LORD Corporation
CPC分类号： G01L3/10 , G01L3/101 , G01L3/109 , G01L25/003
摘要： A non-contacting torquemeter capable of measuring torque in a rotating shaft with improved accuracy in the presence of relative motion between a rotating shaft and a transducer assembly is provided. The non-contacting torquemeter has improved robustness and reliability, and is able to self-calibrate. The non-contacting torquemeter is able to provide accurate torque measurements using a single transducer assembly positioned at a single azimuthal position on a rotating shaft.
-
公开(公告)号：US20240318574A1
公开(公告)日：2024-09-26
申请号：US18736906
申请日：2024-06-07
申请人： LORD Corporation
CPC分类号： F01D21/003 , F01D11/122 , G01B7/14 , F05D2270/303 , F05D2270/304 , F05D2270/305 , F05D2270/802 , F05D2270/807 , F05D2270/821
摘要： Systems and methods for measuring a clearance between a rotating machine component and a sensor unit are disclosed. In some aspects, a system includes a sensor unit oriented to detect the rotating machine component as the rotating machine component rotates past the sensor unit, the sensor unit including at least a first sensing element and a second sensing element spaced apart from the first sensing element. The system includes a sensor processing unit in electrical communication with the sensor unit. The sensor processing unit is configured for receiving a first waveform from the first sensing element; receiving a second waveform from the second sensing element; and determining, based on a comparison between the first waveform and the second waveform, a distance between the blade tip and the sensor unit.
-
公开(公告)号：US20240109582A1
公开(公告)日：2024-04-04
申请号：US18275646
申请日：2022-02-04
申请人： Lord Corporation
CPC分类号： B62D5/006 , B62D5/0406 , B62D5/0475 , B62D6/008
摘要： A combined brake and motor providing tactile feedback control to a human-machine interface steering input device as part of a steer-by-wire system is provided. The brake is a tactile feedback device (TFD) brake and the motor is an electric motor coupled to the brake. The brake provides end stop control and resistive torque to the steer-by-wire system. The motor provides motion control to the steer-by-wire system, where motion control includes a return-to-center, a command following, an on-center control, an active force-feel, and/or a warning mode (e.g., similar to an aircraft stick shaker or a lane departure). The steer-by-wire system is an active system.
-
公开(公告)号：US20220103101A1
公开(公告)日：2022-03-31
申请号：US17547842
申请日：2021-12-10
申请人： LORD Corporation
发明人： Paul Black , Douglas Swanson , Russell E. Altieri
IPC分类号： H02P21/00
摘要： Actuators are components of machines, which move and/or control a mechanism or system. During operation, actuators can experience regeneration events, with the actuator actually generating excess energy (e.g., regenerative energy) which must be stored or dissipated to avoid damaging the power supply. An actuator motor controller is configured to implement field oriented voltage control and flux weakening voltage control without current sensors. Dissipating regenerative energy includes providing a motor controller to command a motor drive to modify an input voltage, or to dissipate regenerative energy in a dump circuit. This command can cause motor windings to dissipate regenerative energy. Systems having a plurality of actuators distribute regenerative energy from one actuator to another. A central controller provides centralized regeneration dissipation control for the plurality of actuators. A power distribution unit includes a dump resistor to dissipate regenerative energy in addition to or instead of in the actuators.
-
-
-
-
-
-
-
-
-
搜索结果
17 条记录 (耗时 0.015 秒)
