公开(公告)号：US20240266576A1

公开(公告)日：2024-08-08

申请号：US18328130

申请日：2023-06-02

Applicant: HYUNDAI MOBIS CO., LTD.

Inventor： Yong Hee LEE ,  Se Hoon SONG

IPC: H01M8/22 ,  H01M8/0438 ,  H01M8/04746 ,  H01M8/2404

CPC classification number: H01M8/222 ,  H01M8/0438 ,  H01M8/04753 ,  H01M8/2404

Abstract: Fuel cell systems and methods of controlling the fuel cell system are provided, where the fuel cell system includes a fuel cell stack including an anode and a cathode, a nitrogen tank configured to store nitrogen drained from the cathode, and to supply the stored nitrogen to the anode, and a controller configured to control the store and the supply of the nitrogen, based on one or more of a pressure and a filling amount of the nitrogen tank.

公开(公告)号：US20240222665A1

公开(公告)日：2024-07-04

申请号：US18535316

申请日：2023-12-11

Applicant: HYUNDAI MOBIS CO., LTD.

Inventor： Yong Hee LEE

IPC: H01M8/0432 ,  H01M8/04007 ,  H01M8/04029 ,  H01M8/04701 ,  H01M8/04746

CPC classification number: H01M8/04373 ,  H01M8/04029 ,  H01M8/04067 ,  H01M8/04358 ,  H01M8/04723 ,  H01M8/04738 ,  H01M8/04768

Abstract: A system and method for thermal management of electric parts are provided. The system includes a first cooling line in which a first cooling fluid is circulated, a second cooling line in which a second cooling fluid is circulated, a valve to selectively pass a first cooling fluid or a second cooling fluid via a first type electric part, and a controller to control the valve based on information corresponding to the first type electric part.

公开(公告)号：US20240113310A1

公开(公告)日：2024-04-04

申请号：US18463511

申请日：2023-09-08

Applicant: HYUNDAI MOBIS CO., LTD.

Inventor： Yong Hee LEE

IPC: H01M8/04119 ,  B60L58/12 ,  B60L58/30 ,  B60L58/40 ,  H01M8/04223 ,  H01M8/04746

CPC classification number: H01M8/04119 ,  B60L58/12 ,  B60L58/30 ,  B60L58/40 ,  H01M8/04231 ,  H01M8/04753 ,  H01M2250/20

Abstract: A fuel cell system including a hydrogen exhaust valve provided in an outlet of a hydrogen tank, the hydrogen tank configured to supply hydrogen to a fuel cell stack, the hydrogen exhaust valve being configured to exhaust remaining hydrogen in the hydrogen tank to an outside, and a controller configured to diagnose a fault cause when a fault occurs during a flight of a flying object associated with the fuel cell stack, perform an exhaust operation on the hydrogen stored in the hydrogen tank responsive to the fault cause, and control the hydrogen exhaust valve according to the exhaust operation.

公开(公告)号：US20230261597A1

公开(公告)日：2023-08-17

申请号：US17832887

申请日：2022-06-06

Applicant: HYUNDAI MOBIS CO., LTD.

Inventor： Yong Hee LEE

IPC: H02P23/14

CPC classification number: H02P23/14

Abstract: An output control system includes a first power controller controlling an output of a first power source, a second power controller controlling an output of a second power source, and a controller determining a control mode based on a state of a motor and controlling one or both of the first power controller and the second power controller based on the control mode.

公开(公告)号：US20210347368A1

公开(公告)日：2021-11-11

申请号：US17314604

申请日：2021-05-07

Applicant: HYUNDAI MOBIS CO., LTD.

Inventor： Hae Jun YANG ,  Yong Hee LEE

IPC: B60W40/12 ,  G01L17/00

Abstract: The present disclosure may relate to a method capable of monitoring a tire pressure, and may include estimating a tire necessary air pressure based on a location and an external temperature of a vehicle, determining whether a change in a current applied to an in-wheel motor is included in a preset range, when the vehicle is driving at a uniform speed during a preset time, calculating weights according to a plurality of conditions, respectively, and calculating a tire pressure based on the weights.

公开(公告)号：US20240178416A1

公开(公告)日：2024-05-30

申请号：US18366115

申请日：2023-08-07

Applicant: HYUNDAI MOBIS CO., LTD.

Inventor： Yong Hee LEE

IPC: H01M8/04082 ,  B64D41/00 ,  H01M8/0438 ,  H01M8/04746 ,  H01M16/00

CPC classification number: H01M8/04201 ,  B64D41/00 ,  H01M8/04425 ,  H01M8/04753 ,  H01M16/006 ,  B64D2041/005 ,  H01M2220/20 ,  H01M2250/20

Abstract: A fuel cell system includes a three-way valve installed on a hydrogen supply line between a fuel cell stack and a hydrogen tank, a first hydrogen supply valve installed on a first hydrogen supply line branching off by the three-way valve and configured to variably adjust a hydrogen supply pressure, a second hydrogen supply valve installed on a second hydrogen supply line branching off by the three-way valve and configured to adjust the hydrogen supply pressure to a constant pressure, and a controller configured to control a supply of hydrogen to one of the first hydrogen supply line and the second hydrogen supply line according to a state of the hydrogen tank while the fuel cell stack operates.

公开(公告)号：US20240014421A1

公开(公告)日：2024-01-11

申请号：US18218200

申请日：2023-07-05

Applicant: HYUNDAI MOBIS CO., LTD.

Inventor： Yong Hee LEE

IPC: H01M8/04223 ,  H01M8/04858 ,  H01M8/2465 ,  H01M8/04746

CPC classification number: H01M8/04231 ,  H01M8/0491 ,  H01M8/2465 ,  H01M8/04776

Abstract: Disclosed a fuel cell system including an air pump that injects air into a fuel cell stack, a purge valve that performs hydrogen purging based on an opening degree, and a controller that calculates a cumulative current of the fuel cell, and performs at least one of a first operation of controlling the number of rotations of the air pump based on the cumulative current, a second operation of controlling the opening degree of the purge valve, or a combination of the first operation and the second operation.

公开(公告)号：US20240258542A1

公开(公告)日：2024-08-01

申请号：US18538209

申请日：2023-12-13

Applicant: HYUNDAI MOBIS CO., LTD.

Inventor： Yong Hee LEE

IPC: H01M8/04537 ,  H01M8/04014 ,  H01M8/04082 ,  H01M8/04089 ,  H01M8/04492 ,  H01M8/04746

CPC classification number: H01M8/04619 ,  H01M8/04014 ,  H01M8/04097 ,  H01M8/04201 ,  H01M8/04492 ,  H01M8/04753

Abstract: A fuel cell system and method are provided. The fuel cell system includes a fuel cell stack, a fuel water trap to store condensate generated by the fuel cell stack, and a controller. After a change in a water level of the fuel water trap, the controller determines whether the fuel cell stack is in a non-load operation state based on a first parameter indicating a ratio between a power consumption of an accessory machine and the change in the water level.

公开(公告)号：US20230402630A1

公开(公告)日：2023-12-14

申请号：US18089164

申请日：2022-12-27

Applicant: HYUNDAI MOBIS Co., Ltd.

Inventor： Yong Hee LEE

IPC: H01M8/04223 ,  H01M8/04746 ,  H01M8/04858 ,  H01M8/04992

CPC classification number: H01M8/04231 ,  H01M8/04753 ,  H01M2250/20 ,  H01M8/04992 ,  H01M8/04902

Abstract: A system and a method for controlling a fuel cell according to an embodiment are disclosed. The system for controlling a fuel cell includes a fuel cell, a hydrogen purge valve connected between the fuel cell and a hydrogen tank and configured to supply or cut off hydrogen to the fuel cell, and a controller configured to adjust an opening degree of the hydrogen purge valve based on an accumulated current value of the fuel cell calculated in advance and control a flow rate of the hydrogen.

公开(公告)号：US20230253602A1

公开(公告)日：2023-08-10

申请号：US18085059

申请日：2022-12-20

Applicant: HYUNDAI MOBIS Co., Ltd.

Inventor： Yong Hee LEE

IPC: H01M8/22 ,  H01M8/04302

CPC classification number: H01M8/22 ,  H01M8/04302

Abstract: A fuel cell system includes a first valve installed at an outlet of a hydrogen tank on a fuel supply line connecting the hydrogen tank and a fuel cell stack, a second valve installed at a rear end of the first valve on the fuel supply line, and a fuel cell control unit that controls operations of the first valve and the second valve based on a state of the hydrogen tank when a startup of a fuel cell is required.