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公开(公告)号：US20230062548A1
公开(公告)日：2023-03-02
申请号：US17459282
申请日：2021-08-27
Applicant: Hamilton Sundstrand Corporation
Inventor： Parikshith Channegowda , Gurkan Gok , Suman Dwari
Abstract: Systems and methods for health monitoring and fault detection in power distribution networks are provided. Aspects include providing a first power supply coupled to a power channel, providing a load coupled to the power channel, providing a transmitting sensor coupled to the power channel between the first power supply and the load, providing a receiving sensor coupled to the power channel between the transmitting sensor and the load, operating the transmitting sensor to provide an AC test signal to the power channel, the AC test signal comprises a predefined test signal pattern, operating the receiving sensor to sense, from the power channel, a continuous power signal including the AC test signal, analyzing, by the controller, the AC test signal to determine a fault of the power channel based on comparing the predefined test signal pattern with a predefined nominal probe signal pattern corresponding to a specific network configuration.
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公开(公告)号：US20220393590A1
公开(公告)日：2022-12-08
申请号：US17339594
申请日：2021-06-04
Applicant: Hamilton Sundstrand Corporation
Inventor： Suman Dwari , Brian St. Rock , Jeffrey Ewanchuk
IPC: H02M3/158 , H01L27/06 , H01L21/768
Abstract: A power converter includes an amplifier, an inductor, a capacitor, and an interconnection block formed of an insulating material having conductive material deposited thereon by a multi-material printing process. The interconnection block supports one of the inductor and the capacitor in a manner that the one the inductor and the capacitor is disposed vertically above an other of the inductor and the capacitor.
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公开(公告)号：US20250079920A1
公开(公告)日：2025-03-06
申请号：US18615537
申请日：2024-03-25
Applicant: Hamilton Sundstrand Corporation
Inventor： Jagadeesh K. Tangudu , Andreas C. Koenig , Suman Dwari , Todd A. Spierling
Abstract: Aircraft electric machines are described. The aircraft electric machines include a laminated rotor operably connected to a shaft, the laminated rotor comprising a plurality of rotor teeth and air gaps defined between adjacent rotor teeth about a circumference of the laminated rotor, a modular stator assembly comprising at least one stator segment having a winding wrapped about a center body of the at least one stator segment, a cooling element arranged at least one of adjacent to or within the winding, and at least one power module system comprising an active rectifier and wherein the laminated rotor and modular stator are arranged as a switched reluctance rotor-stator assembly.
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公开(公告)号：US20220200473A1
公开(公告)日：2022-06-23
申请号：US17132244
申请日：2020-12-23
Applicant: Hamilton Sundstrand Corporation
Inventor： Suman Dwari , Brian St. Rock , Jeffrey Ewanchuk
IPC: H02M7/217
Abstract: System and methods for power conversion are provided. Aspects include a first switching module comprising a first set of switches, wherein the first set of switches comprise wide-bandgap devices having a first bandgap, a second switching module comprising a second set of switches, wherein the second set of switches comprise semiconductor devices having a second bandgap, and wherein the first bandgap is larger than the second bandgap, an alternating current (AC) power source connected to the first switching module and the second switching module, a first capacitor bank, a second capacitor bank, and a controller configured to operate the first switching module and the second switching module to create a first direct current (DC) voltage across the first capacitor bank and a second direct current (DC) voltage across the second capacitor bank.
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公开(公告)号：US11874318B2
公开(公告)日：2024-01-16
申请号：US17459282
申请日：2021-08-27
Applicant: Hamilton Sundstrand Corporation
Inventor： Parikshith Channegowda , Gurkan Gok , Suman Dwari
CPC classification number: G01R31/088 , G01R31/008
Abstract: Systems and methods for health monitoring and fault detection in power distribution networks are provided. Aspects include providing a first power supply coupled to a power channel, providing a load coupled to the power channel, providing a transmitting sensor coupled to the power channel between the first power supply and the load, providing a receiving sensor coupled to the power channel between the transmitting sensor and the load, operating the transmitting sensor to provide an AC test signal to the power channel, the AC test signal comprises a predefined test signal pattern, operating the receiving sensor to sense, from the power channel, a continuous power signal including the AC test signal, analyzing, by the controller, the AC test signal to determine a fault of the power channel based on comparing the predefined test signal pattern with a predefined nominal probe signal pattern corresponding to a specific network configuration.
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Patent Agency Ranking
公开(公告)号：US20220399800A1
公开(公告)日：2022-12-15
申请号：US17345548
申请日：2021-06-11
Applicant: Hamilton Sundstrand Corporation
Inventor： Bo Liu , Yongduk Lee , Xin Wu , Suman Dwari
Abstract: A power converter can include a first line, a second line, a capacitor line disposed between the first line and the second line, a first capacitor and a second capacitor connected to the capacitor line in series between the first line and the second line, a midpoint line connected to a midpoint between the first capacitor and the second capacitor, and a protection circuit disposed between the first capacitor and the second capacitor and configured to provide protection to one or more portions of the power converter.
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公开(公告)号：US11424692B2
公开(公告)日：2022-08-23
申请号：US17132244
申请日：2020-12-23
Applicant: Hamilton Sundstrand Corporation
Inventor： Suman Dwari , Brian St. Rock , Jeffrey Ewanchuk
Abstract: System and methods for power conversion are provided. Aspects include a first switching module comprising a first set of switches, wherein the first set of switches comprise wide-bandgap devices having a first bandgap, a second switching module comprising a second set of switches, wherein the second set of switches comprise semiconductor devices having a second bandgap, and wherein the first bandgap is larger than the second bandgap, an alternating current (AC) power source connected to the first switching module and the second switching module, a first capacitor bank, a second capacitor bank, and a controller configured to operate the first switching module and the second switching module to create a first direct current (DC) voltage across the first capacitor bank and a second direct current (DC) voltage across the second capacitor bank.
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公开(公告)号：US11051428B2
公开(公告)日：2021-06-29
申请号：US16670043
申请日：2019-10-31
Applicant: Hamilton Sundstrand Corporation
Inventor： Jinliang Wang , Suman Dwari
IPC: H05K7/20 , F28F13/10 , H01L23/427 , H01L25/07
Abstract: Disclosed is a thermal management system for removing heat from a power electronic heat source, the system comprising: a base plate having a plurality of fluid passages there through and extending between and inlet side of the base plate and an outlet side of the base plate; and a plurality of heat transfer pipe segments respectively attached to one or more of the plurality of fluid passages at the inlet side of the base plate and the outlet side of the base plate, the plurality of heat transfer pipe segments arranged adjacent one another, the plurality of heat transfer pipe segments containing a two-phase working fluid, and the plurality of heat transfer pipe segments forming a continuous flow path through and back into the base plate for the two-phase working fluid.
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公开(公告)号：US12095368B2
公开(公告)日：2024-09-17
申请号：US17339594
申请日：2021-06-04
Applicant: Hamilton Sundstrand Corporation
Inventor： Suman Dwari , Brian St. Rock , Jeffrey Ewanchuk
IPC: H02M3/158 , H01L21/768 , H01L27/06
CPC classification number: H02M3/158 , H01L21/768 , H01L27/0688
Abstract: A power converter includes an amplifier, an inductor, a capacitor, and an interconnection block formed of an insulating material having conductive material deposited thereon by a multi-material printing process. The interconnection block supports one of the inductor and the capacitor in a manner that the one the inductor and the capacitor is disposed vertically above an other of the inductor and the capacitor.
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公开(公告)号：US20240275262A1
公开(公告)日：2024-08-15
申请号：US18127577
申请日：2023-03-28
Applicant: Hamilton Sundstrand Corporation
Inventor： Lei Xing , Suman Dwari , W. Warren Chen
CPC classification number: H02M1/0095 , B60L50/00 , B64D41/00 , H02M3/33584 , B60L2200/10 , B60L2210/00 , B64D2221/00
Abstract: A system can include a bi-directional converter circuit comprising a plurality of switches and a flying capacitor configured to experience a low voltage or a high voltage, and a control module operatively connected to the plurality of switches to control a state of the plurality of switches. The control module can be configured to receive a sense signal indicative of a flying capacitor voltage and to control the one or more switches of the plurality of switches to charge or discharge the flying capacitor to maintain a target voltage or target voltage range.
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