公开(公告)号：US10144372B2

公开(公告)日：2018-12-04

申请号：US15054031

申请日：2016-02-25

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Markus Demmerle

IPC: B60R16/033

Abstract: An onboard electrical system for a motor vehicle includes a storage device with at least one first battery pack and a plurality of electrical loads supplied from the storage device. At least one control unit is configured to control the consumption of electrical energy by the remaining electrical loads. A main switch is controlled by the control unit and an auxiliary switch that can be manually activated, so as to connect the control unit with the first battery pack and activate the control unit to send a close command to the main switch.

公开(公告)号：US10017176B2

公开(公告)日：2018-07-10

申请号：US15268888

申请日：2016-09-19

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Markus Demmerle ,  Reiner Zerjeski

IPC: B60W20/50 ,  H02J7/14 ,  B60L11/18 ,  F02N11/08 ,  B60W10/08 ,  B60W50/02 ,  F02D41/04 ,  F02D41/12

Abstract: A power supply system of a motor vehicle includes a first electric system having a first motor vehicle battery and a first consumer. A second electric system includes a second motor vehicle battery and a second consumer. An autonomous switch is configured to connect and separate the first electric system and the second electric system. The autonomous switch connects the first electric system and the second electric system to one another by closing the autonomous switch if a failure or impending failure of the energy supply of the first electric system or the second electric system is detected.

公开(公告)号：US09973134B1

公开(公告)日：2018-05-15

申请号：US15451898

申请日：2017-03-07

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Chandra S. Namuduri ,  Rajeev Vyas ,  Suresh Gopalakrishnan ,  Mark J. Rychlinski ,  Markus Demmerle ,  Varsha K. Sadekar

IPC: G05B5/00 ,  H02H7/08 ,  H02P1/04 ,  H02P3/00 ,  H02P7/00 ,  H02P29/024 ,  H02P27/06 ,  H02P6/08 ,  B60L11/18 ,  B60L3/00

CPC classification number: H02P29/027 ,  B60L3/0046 ,  B60L3/0076 ,  B60L7/18 ,  B60L7/22 ,  B60L11/1861 ,  B60L2240/547 ,  B60L2240/549 ,  H02P6/08 ,  H02P27/06

Abstract: An electrical system includes a direct current (DC) voltage bus, a power supply providing a supply voltage to the DC voltage bus, an electric machine connected to the power supply, a reverse current protection (RCP) circuit positioned between the power supply and the electric machine, the RCP circuit including an energy dissipating element, and a controller. As part of an associated method, the controller detects a reverse current condition in which a current flows from the electric machine toward the power supply when an induced voltage of the electric machine exceeds a voltage level of the voltage bus. The controller transmits a control signal to the RCP circuit to direct the electrical current through the energy dissipating element for a duration of the reverse current condition or for a predetermined duration equal to or greater than that of the reverse current condition.