公开(公告)号：US10333436B2

公开(公告)日：2019-06-25

申请号：US15825540

申请日：2017-11-29

Applicant: Regal Beloit America, Inc.

Inventor： Ludovic Andre Chretien

IPC: H02P5/00 ,  H02P21/00 ,  H02P5/74 ,  H02P21/22 ,  H02P21/14 ,  H02P6/04 ,  H02P5/46

Abstract: Drive circuits for parallel electric motors are provided. A drive circuit includes an inverter, at least one current sensor, and a DSP. The inverter is coupled to and configured to provide three phase power to a plurality of parallel electric motors. The at least one current sensor is coupled to the inverter and is configured to measure stator phase currents output by the inverter for driving the plurality of parallel electric motors. The DSP is coupled to the inverter and the at least one current sensor and is configured to receive the stator phase currents from the at least one current sensor, and generate at least one PWM signal for controlling the inverter based on the stator phase currents.

公开(公告)号：US20190190355A1

公开(公告)日：2019-06-20

申请号：US16279406

申请日：2019-02-19

Applicant: Regal Beloit America, Inc.

Inventor： Jason Jon Kreidler ,  Rafal Pawel Rohoza

IPC: H02K15/02 ,  F04D25/08 ,  F04D29/58 ,  F04D29/28 ,  F04D25/06 ,  F04D29/62 ,  F04D29/26

CPC classification number: H02K15/02 ,  F04D25/0653 ,  F04D25/068 ,  F04D25/082 ,  F04D29/263 ,  F04D29/282 ,  F04D29/5813 ,  F04D29/622

Abstract: A fluid circulating assembly having a rotation axis is provided. The fluid circulating assembly includes a fan impeller including an inlet ring and a rear plate that together define a central fan chamber. The fluid circulating assembly also includes an electrical machine having a rotor assembly, a stator assembly, and at least one bearing assembly. The rotor assembly is coupled to the rear plate such that the electrical machine is located entirely outside the central fan chamber. The rotor assembly includes a hub portion having a radially inner wall that at least partially defines a central opening extending entirely through the electrical machine and oriented about the rotation axis such that the central opening does not include a shaft extending therethrough.

公开(公告)号：US20190165566A1

公开(公告)日：2019-05-30

申请号：US15823048

申请日：2017-11-27

Applicant: Regal Beloit America, Inc.

Inventor： Zachary Joseph Stauffer ,  Luis D. Morales ,  Maung Saw Eddison

IPC: H02H7/09 ,  H02H3/08 ,  H02M5/14 ,  H02H3/253 ,  H02H1/04 ,  G01R19/165

CPC classification number: H02H7/09 ,  G01R19/16504 ,  H02H1/046 ,  H02H3/083 ,  H02H3/253 ,  H02M5/14 ,  H02M7/06 ,  H02M2001/0009

Abstract: A circuit for detecting loss of phase in three-phase power systems. The circuit includes a current sensor and a microprocessor. The current sensors are coupled to respective phases of a three-phase power source configured to supply power to a load. The microprocessor is coupled to the current sensors to process current measurements and detect loss of phase in the three-phase power source.

公开(公告)号：US20190150309A1

公开(公告)日：2019-05-16

申请号：US15814005

申请日：2017-11-15

Applicant: REGAL BELOIT AMERICA, INC.

Inventor： Maung Eddison ,  Zachary Joseph Stauffer ,  Mark A. Swiger ,  Luis D. Morales

IPC: H05K5/06 ,  H02K5/04 ,  H02K15/14

CPC classification number: H05K5/064 ,  H02K1/278 ,  H02K5/04 ,  H02K5/22 ,  H02K9/22 ,  H02K11/33 ,  H02K15/14 ,  H02K2211/03 ,  H05K2203/1377

Abstract: A method of encapsulating a printed circuit board of a motor controller with a potting material includes inserting the printed circuit board into a recess formed in a base portion of an encapsulation assembly such that a bottom surface of the printed circuit board is spaced from a surface of the recess. The method also includes coupling a cover portion of the encapsulation assembly to the base portion to define a cavity therebetween. The method further includes injecting the potting material into the cavity through at least one injection port defined in at least one of the base portion and the cover portion such that the printed circuit board is at least partially coated in the potting material.

公开(公告)号：US10284128B2

公开(公告)日：2019-05-07

申请号：US15628347

申请日：2017-06-20

Applicant: REGAL BELOIT AMERICA, INC.

Inventor： Andrew Craig Barry ,  Brian Lee Beifus ,  Lester Benjamin Manz ,  Kamron Mark Wright

IPC: H02P27/04 ,  H02P21/06 ,  H02P21/20 ,  H02P1/40

Abstract: A motor includes a stator comprising windings configured to be energized, and a rotor electromagnetically coupled to the stator and configured to turn relative thereto when the stator is energized. The motor also includes a motor controller configured to measure a speed at which the rotor turns, and energize said stator to generate a first torque output at the rotor when the measured speed is below a first threshold. The motor controller is also configured to energize the stator to generate a second torque output at the rotor when the measured speed is at least the first threshold, wherein the second torque output is greater than the first torque output.

公开(公告)号：US20190109512A1

公开(公告)日：2019-04-11

申请号：US16209535

申请日：2018-12-04

Applicant: Hub City, Inc. ,  Regal Beloit America, Inc. ,  REGAL BELOIT AUSTRALIA PTY LTD

Inventor： Larry Gene Anderson ,  Wesley Kenneth Anderson ,  Charles Richard Langford

IPC: H02K7/116 ,  H02K21/24 ,  H02K7/08 ,  H02K7/00 ,  H02K5/173 ,  H02K9/14

Abstract: A motor having an axis of rotation is provided. The motor includes a housing, a first shaft coupled to the housing and a second shaft coupled to the first shaft. The motor further includes a stator coupled to the housing and comprising an outer circumferential surface and an inner circumferential surface, wherein the inner circumferential surface defines a stator bore around the axis of rotation. A gearbox is coupled to the first shaft and to the second shaft and positioned within the stator bore. The motor includes a rotor coupled to the first shaft and adjacent the stator.

公开(公告)号：US10256753B2

公开(公告)日：2019-04-09

申请号：US15454643

申请日：2017-03-09

Applicant: Regal Beloit America, Inc.

Inventor： Paul Bryan Snipes ,  Luis D. Morales ,  Maung Saw Eddison ,  Zachary Joseph Stauffer ,  Ludovic Andre Chretien ,  Lester Benjamin Manz

IPC: G05B5/00 ,  H02H7/08 ,  H02P1/04 ,  H02P3/00 ,  H02P5/00 ,  H02P6/08 ,  H02P25/04 ,  H02P23/00 ,  H02P25/024 ,  H02P25/18

Abstract: An alternating current (AC) motor system and control methods are provided herein. The AC motor system includes a motor having a first rated horsepower and configured to be coupled to a power source, and a drive circuit configured to be electrically coupled between the power source and the motor. The drive circuit has a second rated horsepower that is lower than the first rated horsepower.

公开(公告)号：US10236805B2

公开(公告)日：2019-03-19

申请号：US14623272

申请日：2015-02-16

Applicant: Regal Beloit America, Inc.

Inventor： Roger Carlos Becerra ,  Ludovic Andre Chretien ,  Glen C. Young ,  David Allen Clendenen ,  Yao Da

IPC: H02P21/06 ,  H02P6/10 ,  H02P21/24

Abstract: Methods and systems for controlling an electric motor are provided. An electric motor controller is configured to be coupled to an electric motor. The controller includes a rectifier, an inverter coupled to the rectifier, and a control unit coupled to the inverter. The rectifier is configured to rectify an alternating current (AC) input voltage to produce a pulsed direct current (DC) voltage that drops to approximately zero during each cycle when the AC input voltage transits zero. Energy is stored on a load coupled to the motor when AC input voltage is available. The inverter is configured to receive the DC voltage and to provide a conditioned output voltage to the motor. The control unit is configured to manage energy transfer between the motor and the load such that the motor generates positive torque when the DC voltage supplied to the inverter has approximately 100% voltage ripple.

公开(公告)号：US10203141B1

公开(公告)日：2019-02-12

申请号：US15334101

申请日：2016-10-25

Applicant: Regal Beloit America, Inc.

Inventor： Ludovic Andre Chretien ,  Norman C. Golm, Jr.

IPC: F25B49/02 ,  F25B1/10 ,  F04D27/00

Abstract: A control system for a multi-stage compressor. The control system includes an AC line voltage source, a variable-voltage variable-frequency drive, and a processor. The AC line voltage source is configured to operate the multi-stage compressor. The variable-voltage variable-frequency drive is coupled to the AC line voltage source and is configured to operate the multi-stage compressor at a variable speed. The processor is coupled to the AC line voltage source and the variable-voltage variable-frequency drive, and is configured to alternatively coupled the AC line voltage source and the variable-voltage variable-frequency drive to the multi-stage compressor to operate the multi-stage compressor. The processor is further configured to transmit a capacity control signal to the multi-stage compressor. The capacity control signal is instructive to operate the multi-stage compressor in one of a high-capacity setting and a low-capacity setting.

公开(公告)号：US20190024706A1

公开(公告)日：2019-01-24

申请号：US16141500

申请日：2018-09-25

Applicant: Regal Beloit America, Inc. ,  Regal Beloit Australia Pty Ltd.

Inventor： Matthew J. Turner ,  Greg Heins ,  Mark Thiele ,  Jason Jon Kreidler

IPC: F16C17/02 ,  F16C32/06 ,  F16C33/74 ,  F16C43/00

Abstract: A hydrodynamic bearing assembly includes a first member including a first engaging surface. The first member is stationary in a non-operating mode of the bearing assembly and rotates about an axis in an operational mode of the bearing assembly. The first member includes a first bore and a shaft positioned within the first bore and including an end surface. The hydrodynamic bearing assembly also includes a second member including a second bore and a second engaging surface positioned adjacent the first engaging surface. The second member is stationary in both the non-operating mode and the operational mode of the bearing assembly. The hydrodynamic bearing assembly further includes a spacer member positioned within the second bore and is configured to engage the first member to define a first gap between the first engaging surface and the second engaging surface in the non-operational mode.