公开(公告)号：US11239841B1

公开(公告)日：2022-02-01

申请号：US17193883

申请日：2021-03-05

Applicant: Wisk Aero LLC

Inventor： Hongxia Chen ,  Rui Gao ,  Lewis Romeo Hom ,  Geoffrey Alan Long

IPC: G01R31/26 ,  G01R31/40 ,  G01R19/12 ,  G01R19/165 ,  H03K17/74 ,  H03K17/082

Abstract: A power delivery system includes a controller, configured to receive a voltage indication signal indicating a measured voltage of a battery management system and to determine whether first and second diodes of the battery management system are faulty based on the voltage indication signal. The controller is also configured to respectively receive first and second current indication signals from first and second current sensors of the battery management system and to determine whether the first and second diodes of the first battery management system are faulty based on the first and second current indication signals.

公开(公告)号：US12181503B1

公开(公告)日：2024-12-31

申请号：US17749030

申请日：2022-05-19

Applicant: Wisk Aero LLC

Inventor： Hongxia Chen ,  Lewis Romeo Hom

IPC: G01R31/52 ,  G01R27/02 ,  G01R31/36 ,  G01R31/3835 ,  H01M10/42

Abstract: Systems and methods for monitoring isolation resistance of individual batteries in a battery bank enable measurement of isolation resistance to be performed for different batteries at different times, thereby preventing the measurements from interfering with each other. In some embodiments, each battery in a battery bank has a battery monitoring system controller, and each battery monitoring system controller operates independently of the other battery monitoring system controllers in the battery bank. Each battery monitoring system controller can perform measurements of isolation resistance at regular intervals. Each battery monitoring system controller determines a start time for its measurements in a manner such that no two controllers perform isolation resistance measurements at the same time.

公开(公告)号：US11671096B1

公开(公告)日：2023-06-06

申请号：US17561450

申请日：2021-12-23

Applicant: Wisk Aero LLC

Inventor： Hongxia Chen ,  Rui Gao ,  Lewis Romeo Hom ,  Geoffrey Alan Long

IPC: G01R31/26 ,  G01R31/40 ,  G01R19/12 ,  G01R19/165 ,  H03K17/74 ,  H03K17/082

CPC classification number: H03K17/74 ,  H03K17/0822 ,  H03K2217/0081

Abstract: A power delivery system includes a controller, configured to receive a voltage indication signal indicating a measured voltage of a battery management system and to determine whether first and second diodes of the battery management system are faulty based on the voltage indication signal. The controller is also configured to respectively receive first and second current indication signals from first and second current sensors of the battery management system and to determine whether the first and second diodes of the first battery management system are faulty based on the first and second current indication signals.