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公开(公告)号：US11807980B2
公开(公告)日：2023-11-07
申请号：US17747062
申请日：2022-05-18
Applicant: WHIRLPOOL CORPORATION
Inventor： James B. Hull
Abstract: According to one aspect of the present disclosure, an electric motor for a laundry appliance includes a first stator having a central axis. A first rotor is in electromagnetic communication with the first stator and is rotationally operable about the central axis. A second stator is aligned with the central axis. A second rotor is in electromagnetic communication with the second stator and is rotationally operable about the central axis. The first and second stators are positioned within a common motor cavity of an outer housing. A controller regulates a first electrical current to the first stator and a second electrical current to the second stator. The controller includes a torque discrimination module for monitoring an output torque of at least the first rotor.
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公开(公告)号：US11473231B2
公开(公告)日：2022-10-18
申请号：US16884786
申请日：2020-05-27
Applicant: WHIRLPOOL CORPORATION
Inventor： Steven Fricke , Tarun Sai Yadav Godha , James B. Hull , Peter A. Wagoner , Eric J. Walsh , Christoph J. Miller
Abstract: A laundry appliance includes a tub having a rear wall that includes a plurality of structural ribs. A drive hub has a bearing housing insert injection molded into the rear wall. A stator is attached to the drive hub at stator fastening portions exposed through the rear wall of the tub. A reinforcing cap is fixed to the structural ribs of the rear wall of the tub. The bearing housing of the drive hub extends rearwards through a portion of the reinforcing cap. The stator fastening portions are exposed through the reinforcing cap.
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公开(公告)号：US20230002950A1
公开(公告)日：2023-01-05
申请号：US17941466
申请日：2022-09-09
Applicant: WHIRLPOOL CORPORATION
Inventor： Steven Fricke , Tarun Sai Yadav Godha , James B. Hull , Peter A. Wagoner , Eric J. Walsh , Christoph J. Miller
Abstract: A laundry appliance includes a tub having a rear wall that includes a plurality of structural ribs. A drive hub has a bearing housing insert injection molded into the rear wall. A stator is attached to the drive hub at stator fastening portions exposed through the rear wall of the tub. A reinforcing cap is fixed to the structural ribs of the rear wall of the tub. The bearing housing of the drive hub extends rearwards through a portion of the reinforcing cap. The stator fastening portions are exposed through the reinforcing cap.
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公开(公告)号：US20200347538A1
公开(公告)日：2020-11-05
申请号：US16808869
申请日：2020-03-04
Applicant: WHIRLPOOL CORPORATION
Inventor： Krati Bhargava , Fang Deng , James B. Hull , Wang Jun , Dennis Kehl , Weitao Yang
Abstract: A laundry appliance includes a drum that is rotationally operable about a rotational axis within a tub. The rotational axis is oriented in a generally horizontal configuration. An impeller is rotationally operable within the drum about the rotational axis. A dual-rotor motor is coupled to the drum and the impeller for providing separate and independent rotation of the drum and impeller about the rotational axis. An inner rotor of the dual-rotor motor is coupled with the impeller and an outer rotor of the dual-rotor motor is coupled with the drum.
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公开(公告)号：US20180080161A1
公开(公告)日：2018-03-22
申请号：US15694003
申请日：2017-09-01
Applicant: WHIRLPOOL CORPORATION
Inventor： Steven Fricke , Tarun Sai Yadav Godha , James B. Hull , Peter A. Wagoner , Eric J. Walsh , Christoph J. Miller
Abstract: A laundry appliance includes a tub having a rear wall that includes a plurality of structural ribs. A drive hub has a bearing housing insert injection molded into the rear wall. A stator is attached to the drive hub at stator fastening portions exposed through the rear wall of the tub. A reinforcing cap is fixed to the structural ribs of the rear wall of the tub. The bearing housing of the drive hub extends rearwards through a portion of the reinforcing cap. The stator fastening portions are exposed through the reinforcing cap.
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Patent Agency Ranking
公开(公告)号：US20210095415A1
公开(公告)日：2021-04-01
申请号：US16589646
申请日：2019-10-01
Applicant: WHIRLPOOL CORPORATION
Inventor： James B. Hull
Abstract: According to one aspect of the present disclosure, an electric motor for a laundry appliance includes a first stator having a central axis. A first rotor is in electromagnetic communication with the first stator and is rotationally operable about the central axis. A second stator is aligned with the central axis. A second rotor is in electromagnetic communication with the second stator and is rotationally operable about the central axis. The first and second stators are positioned within a common motor cavity of an outer housing. A controller regulates a first electrical current to the first stator and a second electrical current to the second stator. The controller includes a torque discrimination module for monitoring an output torque of at least the first rotor.
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公开(公告)号：US10704180B2
公开(公告)日：2020-07-07
申请号：US15694003
申请日：2017-09-01
Applicant: WHIRLPOOL CORPORATION
Inventor： Steven Fricke , Tarun Sai Yadav Godha , James B. Hull , Peter A. Wagoner , Eric J. Walsh , Christoph J. Miller
Abstract: A laundry appliance includes a tub having a rear wall that includes a plurality of structural ribs. A drive hub has a bearing housing insert injection molded into the rear wall. A stator is attached to the drive hub at stator fastening portions exposed through the rear wall of the tub. A reinforcing cap is fixed to the structural ribs of the rear wall of the tub. The bearing housing of the drive hub extends rearwards through a portion of the reinforcing cap. The stator fastening portions are exposed through the reinforcing cap.
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公开(公告)号：US20240337063A1
公开(公告)日：2024-10-10
申请号：US18743630
申请日：2024-06-14
Applicant: WHIRLPOOL CORPORATION
Inventor： Steven Fricke , Tarun Sai Yadav Godha , James B. Hull , Peter A. Wagoner , Eric J. Walsh , Christoph J. Miller
CPC classification number: D06F37/264 , D06F37/267 , D06F37/269 , D06F37/30 , D06F37/304 , H02K1/2791 , H02K1/146 , H02K5/02 , H02K5/161
Abstract: A laundry appliance includes a tub having a rear wall that includes a plurality of structural ribs. A drive hub has a bearing housing insert injection molded into the rear wall. A stator is attached to the drive hub at stator fastening portions exposed through the rear wall of the tub. A reinforcing cap is fixed to the structural ribs of the rear wall of the tub. The bearing housing of the drive hub extends rearwards through a portion of the reinforcing cap. The stator fastening portions are exposed through the reinforcing cap.
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公开(公告)号：US11773525B2
公开(公告)日：2023-10-03
申请号：US16808869
申请日：2020-03-04
Applicant: WHIRLPOOL CORPORATION
Inventor： Krati Bhargava , Fang Deng , James B. Hull , Wang Jun , Dennis Kehl , Weitao Yang
Abstract: A laundry appliance includes a drum that is rotationally operable about a rotational axis within a tub. The rotational axis is oriented in a generally horizontal configuration. An impeller is rotationally operable within the drum about the rotational axis. A dual-rotor motor is coupled to the drum and the impeller for providing separate and independent rotation of the drum and impeller about the rotational axis. An inner rotor of the dual-rotor motor is coupled with the impeller and an outer rotor of the dual-rotor motor is coupled with the drum.
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公开(公告)号：US20220263355A1
公开(公告)日：2022-08-18
申请号：US17733022
申请日：2022-04-29
Applicant: WHIRLPOOL CORPORATION
Inventor： James B. Hull
Abstract: An axial flux motor for an appliance includes a stator yoke. A plurality of stator teeth extend from the stator yoke in an axial direction and are positioned about a central rotational axis. Each stator tooth includes a plurality of laminations that extend in the axial direction and form a “T” shaped member. The plurality of stator teeth are overmolded with a polymeric material to define a plurality of axial stator poles. At least one winding extends around the plurality of axial stator poles. A ring-shaped rotor rotates about the central rotational axis of the stator yoke. The rotor is positioned proximate an axial end of the plurality of axial stator poles.
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