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公开(公告)号：US11764721B2
公开(公告)日：2023-09-19
申请号：US17223427
申请日：2021-04-06
Applicant: Hamilton Sundstrand Corporation
Inventor： Hailing Wu , Xin Wu , Aritra Sur
IPC: H02P29/68 , H02P27/06 , B60L50/64 , B64D27/24 , B60L50/60 , B64D31/00 , B64D33/08 , H02P29/60 , B64D27/02
CPC classification number: H02P29/68 , B60L50/60 , B64D27/24 , B64D31/00 , B64D33/08 , H02P29/60 , B60L2200/10 , B64D2027/026
Abstract: An electronics assembly includes a motor controller electronics arrangement with a solid-state switch array, a feeder cable connected to the motor controller and in electrical communication with the solid-state switch array, and a phase change material body. The phase change material body is thermally coupled to the feeder cable and arranged outside of the motor controller to limit conduction of heat generated by resistive heating of the feeder cable into the motor controller and through the feeder cable. Vehicles, electrical systems, and methods of cooling feeder cables in motor controller electronics arrangements are also described.
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公开(公告)号：US20220320961A1
公开(公告)日：2022-10-06
申请号：US17223443
申请日：2021-04-06
Applicant: Hamilton Sundstrand Corporation
Inventor： Jagadeesh Kumar Tangudu , Aritra Sur
Abstract: A stator includes a stator hub and a plurality of stator teeth extending from the stator hub that define a stator slot having a stator slot base. At least one winding is disposed in the stator slot and the stator also includes a back iron. The winding surrounds the back iron and is held apart from the stator slot base so that a fluid channel is defined between an inner winding portion of the at least one winding so fluid can be passed between the stator slot base and the inner winding portion to cool the inner winding portion.
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公开(公告)号：US20240048030A1
公开(公告)日：2024-02-08
申请号：US18264469
申请日：2021-02-09
Applicant: Hamilton Sundstrand Corporation
Inventor： Abbas A. Alahyari , Kimberly Rae Saviers , Jagadeesh Kumar Tangudu , Aritra Sur
Abstract: Electric motors and stators thereof are described. The stators of the electric motors include a first header, a second header fluidly connected to the first header, a plurality of windings fluidly connected to the first header and the second header to receive a cooling fluid passing from the first header to the second header along one or more flow channels, and one or more phase-change material elements arranged to thermally interact with at least one of the first header, the second header, the one or more flow channels, and the plurality of windings.
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4.发明授权公开(公告)号：US11804754B2
公开(公告)日：2023-10-31
申请号：US17126605
申请日：2020-12-18
Applicant: Hamilton Sundstrand Corporation
Inventor： Kimberly Rae Saviers , Abbas A. Alahyari , Aritra Sur , Jagadeesh Kumar Tangudu
Abstract: An electric motor system includes an electric motor, and a thermal management system. The thermal management system includes a two-phase refrigerant circuit circulating a flow of refrigerant through the electric motor, and a refrigerant-air heat exchanger fluidly connected to the electric motor via the two-phase refrigerant circuit, such that the flow of refrigerant is boiled via heat generated by the electric motor, and returned to a subcooled liquid state to cool the electric motor. A method of dissipating thermal energy from an electric motor includes urging a flow of refrigerant through an electric motor, thereby boiling the flow of refrigerant, directing the flow of refrigerant from the electric motor to a refrigerant-air heat exchanger via a two-phase refrigerant circuit, and cooling the refrigerant to a sub-cooled liquid state at the refrigerant-air heat exchanger via thermal energy exchange with a flow of air through the refrigerant-air heat exchanger.
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公开(公告)号：US11777374B2
公开(公告)日：2023-10-03
申请号：US17223297
申请日：2021-04-06
Applicant: Hamilton Sundstrand Corporation
Inventor： Jagadeesh Kumar Tangudu , Aritra Sur
CPC classification number: H02K9/20 , H02K7/003 , H02K7/116 , H02K11/33 , H02K21/24 , B64D27/24 , H02K2211/03
Abstract: A motor drive architecture is provided. The motor drive architecture includes a three-dimensional (3D) stack of cold plates on which power electronic components for an electric machine are mountable and supporting structures. Each cold plate has an annular shape with internal fluid pathways. The supporting structures hold the cold plates in the 3D stack. At least one supporting structure defines an internal cavity bifurcated into an internal inlet fluid pathway configured to direct fluid into the internal fluid pathways of each cold plate and an internal outlet fluid pathway receptive of the fluid from the internal fluid pathways of each cold plate.
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Patent Agency Ranking
公开(公告)号：US12015324B2
公开(公告)日：2024-06-18
申请号：US17223513
申请日：2021-04-06
Applicant: Hamilton Sundstrand Corporation
Inventor： Hailing Wu , Gary L. Miles , Mark Hamilton Severson , Aritra Sur , Xin Wu
Abstract: An electronics assembly including a motor controller electronics arrangement includes a housing enclosing a solid-state switch array, a cold plate arranged within the housing and in thermal communication with the solid-state switch array, and a feeder cable. The feeder cable is electrically connected to the solid-state switch array, has a coolant jacket extending thereabout, is separated from the switch arrangement by the housing, and is in liquid communication with the cold plate to limit heat communicated by the feeder cable into the housing. Electrical systems and methods of cooling feeder cables are also described.
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公开(公告)号：US11757335B2
公开(公告)日：2023-09-12
申请号：US17223443
申请日：2021-04-06
Applicant: Hamilton Sundstrand Corporation
Inventor： Jagadeesh Kumar Tangudu , Aritra Sur
Abstract: A stator includes a stator hub and a plurality of stator teeth extending from the stator hub that define a stator slot having a stator slot base. At least one winding is disposed in the stator slot and the stator also includes a back iron. The winding surrounds the back iron and is held apart from the stator slot base so that a fluid channel is defined between an inner winding portion of the at least one winding so fluid can be passed between the stator slot base and the inner winding portion to cool the inner winding portion.
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公开(公告)号：US20210319952A1
公开(公告)日：2021-10-14
申请号：US17223366
申请日：2021-04-06
Applicant: Hamilton Sundstrand Corporation
Inventor： Hailing Wu , Aritra Sur , Xin Wu
Abstract: Disclosed is an assembly including a busbar that includes: a first layer that defines: first layer top and bottom surfaces; first layer first and second ends; and a first layer center region between the first layer first and second ends; and the first layer forms first layer perforations of different sizes about the first layer center region so perforations closer to the first layer first end are smaller than perforations spaced apart therefrom; a second layer that is disposed against and electrically isolated from the first layer bottom surface, wherein the second layer defines connector orifices having a same size as each other that are aligned with the first layer perforations; and a first capacitor supported against and electrically connected to the first layer top surface, wherein the first capacitor includes busbar connectors that respectively extend through the first layer perforations to electrically connect with the connector orifices.
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公开(公告)号：US20220320965A1
公开(公告)日：2022-10-06
申请号：US17223297
申请日：2021-04-06
Applicant: Hamilton Sundstrand Corporation
Inventor： Jagadeesh Kumar Tangudu , Aritra Sur
Abstract: A motor drive architecture is provided. The motor drive architecture includes a three-dimensional (3D) stack of cold plates on which power electronic components for an electric machine are mountable and supporting structures. Each cold plate has an annular shape with internal fluid pathways. The supporting structures hold the cold plates in the 3D stack. At least one supporting structure defines an internal cavity bifurcated into an internal inlet fluid pathway configured to direct fluid into the internal fluid pathways of each cold plate and an internal outlet fluid pathway receptive of the fluid from the internal fluid pathways of each cold plate.
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10.发明申请公开(公告)号：US20220200407A1
公开(公告)日：2022-06-23
申请号：US17126605
申请日：2020-12-18
Applicant: Hamilton Sundstrand Corporation
Inventor： Kimberly Rae Saviers , Abbas A. Alahyari , Aritra Sur , Jagadeesh Kumar Tangudu
Abstract: An electric motor system includes an electric motor, and a thermal management system. The thermal management system includes a two-phase refrigerant circuit circulating a flow of refrigerant through the electric motor, and a refrigerant-air heat exchanger fluidly connected to the electric motor via the two-phase refrigerant circuit, such that the flow of refrigerant is boiled via heat generated by the electric motor, and returned to a subcooled liquid state to cool the electric motor. A method of dissipating thermal energy from an electric motor includes urging a flow of refrigerant through an electric motor, thereby boiling the flow of refrigerant, directing the flow of refrigerant from the electric motor to a refrigerant-air heat exchanger via a two-phase refrigerant circuit, and cooling the refrigerant to a sub-cooled liquid state at the refrigerant-air heat exchanger via thermal energy exchange with a flow of air through the refrigerant-air heat exchanger.
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