公开(公告)号：US20220231315A1

公开(公告)日：2022-07-21

申请号：US17501966

申请日：2021-10-14

Applicant: HYUNDAI MOTOR COMPANY

Inventor： Joung Ho Lee ,  Nam Woo Lee ,  Hee Sung Yoon

IPC: H01M8/04746 ,  H01M8/04082 ,  H01M8/04089 ,  H01M8/04537 ,  B64D41/00

Abstract: An oxygen supply apparatus and method for a fuel cell of an aircraft are provided. The oxygen supply apparatus includes a compressor that generates compressed air by compressing air in the atmosphere and supplies the compressed air to a fuel cell stack, an oxygen tank having a predetermined amount of oxygen stored therein. An aircraft monitoring device monitors the aircraft and determines whether oxygen supply from the oxygen tank is required, and an oxygen supply means switching device switches an oxygen supply means for the fuel cell stack from the compressor to the oxygen tank, or vice versa depending on an outcome of the monitoring.

公开(公告)号：US10818944B2

公开(公告)日：2020-10-27

申请号：US15798027

申请日：2017-10-30

Applicant: HYUNDAI MOTOR COMPANY ,  KIA MOTORS CORPORATION

Inventor： Nam Woo Lee ,  Hyuck Roul Kwon ,  Sung Wook Na

IPC: H01M8/04701 ,  H01M8/04014 ,  H01M8/04492 ,  H01M8/04029 ,  H01M8/04007 ,  F28D20/02

Abstract: Disclosed is a heat exchange apparatus for cooling water of a fuel cell, the heat exchange apparatus including a body, through which a cooling water pipe, through which cooling water that is to be supplied to a fuel cell stack flows, passes, and a heat accumulator provided in the interior of the body and filled with a PCM heat accumulation material that is to exchange heat with the cooling water. The body includes a medium space provided between the cooling water pipe and the heat accumulator and filled with a medium material. The PCM heat accumulation material exchanges heat with the cooling water by the medium material.

公开(公告)号：US10158137B2

公开(公告)日：2018-12-18

申请号：US14679195

申请日：2015-04-06

Applicant: Hyundai Motor Company ,  Kia Motors Corporation

Inventor： Sang Uk Kwon ,  Nam Woo Lee ,  Sung Gone Yoon

IPC: H01M8/04 ,  H01M8/04858 ,  H01M8/04746 ,  H01M8/04537 ,  G01R31/36 ,  H01M8/04664 ,  H02J1/10 ,  H02J7/34 ,  H02J1/00

Abstract: A control method and system of a fuel cell system are provided. The control method includes draining the voltage of a fuel cell stack by charging a high voltage battery. In addition, the method includes draining the voltage of the fuel cell stack by connecting a fuel cell load device to the fuel cell stack, which is performed when the voltage of the fuel cell stack decreased by the first draining process is less than a predetermined first reference voltage.

公开(公告)号：US09902285B2

公开(公告)日：2018-02-27

申请号：US14680258

申请日：2015-04-07

Applicant: Hyundai Motor Company

Inventor： Sang Uk Kwon ,  Nam Woo Lee

IPC: B60L1/00 ,  B60L11/18 ,  H01M8/04858 ,  H01M8/0438 ,  H02J7/00

CPC classification number: B60L11/1881 ,  H01M8/04388 ,  H01M8/04888 ,  H01M2250/20 ,  H02J7/00 ,  H02J7/0031 ,  Y02T90/32

Abstract: A power net system for a fuel cell vehicle includes: a diode having a first end connected to an output stage of a fuel cell stack; a fuel cell load device branched and connected between the output stage of the fuel cell stack and the diode; a first relay positioned between the output stage of the fuel cell stack and the fuel cell load device and configured to connect or separate the output stage of the fuel cell stack and the fuel cell load device; and a second relay having a first end connected to a second end of the diode and a second end connected between the first relay and the fuel cell load device.

公开(公告)号：US09847537B2

公开(公告)日：2017-12-19

申请号：US14546463

申请日：2014-11-18

Applicant: Hyundai Motor Company ,  Kia Motors Corporation

Inventor： Sang Uk Kwon ,  Nam Woo Lee ,  Heon Joong Lee

IPC: H01M8/04 ,  H01M8/04089 ,  H01M8/04664 ,  H01M8/04746 ,  H01M8/04992

CPC classification number: H01M8/04104 ,  H01M8/04664 ,  H01M8/04753 ,  H01M8/04992 ,  H01M2250/20 ,  Y02T90/32

Abstract: A system and method of controlling an air blower for a fuel cell vehicle are provided. The method includes determining an operation amount of an air blower to secure a sufficient air flow rate under present operating conditions and obtaining information regarding clogging of an air channel or information regarding a back pressure using the operation amount of the air blower. In addition, a maximum operating range of the air blower is changed based on whether a present state is an air channel-clogged state or a back pressure-increased state.

公开(公告)号：US20160141863A1

公开(公告)日：2016-05-19

申请号：US14838730

申请日：2015-08-28

Applicant: Hyundai Motor Company

Inventor： JuHan Kim ,  Young Bum Kum ,  Yong Sun Park ,  Soon Il Jeon ,  Nam Woo Lee ,  Sae Hoon Kim

IPC: H02H3/16 ,  H01M8/04 ,  H02H7/18

CPC classification number: H02H3/16 ,  H01M8/04686 ,  H01M8/04753 ,  H01M10/425 ,  H01M16/006 ,  H01M2250/20 ,  H02H11/005 ,  Y02T90/32

Abstract: A safety apparatus uses a fuel cell and a high voltage battery as a power source, and includes: a first voltage sensor that measures a voltage of a positive side of a voltage bus; a second voltage sensor that measures a voltage of a negative side of the voltage bus; and a controller that determines an electrical insulation between the positive side of the voltage bus and the electrical chassis based on the voltage of the positive side of the voltage bus and determines an electrical insulation between the negative side of the voltage bus and the electrical chassis based on the voltage of the negative side of the voltage bus.

Abstract translation: 安全装置使用燃料电池和高电压电池作为电源，包括：测量电压母线的正极侧的电压的第一电压传感器; 第二电压传感器，其测量所述电压总线的负侧的电压; 以及控制器，其基于所述电压总线的正极侧的电压来确定所述电压总线的正极侧与所述电气机箱之间的电绝缘，并且确定所述电压总线的负极侧和所述电气机架之间的电绝缘 对电压母线负极的电压。

公开(公告)号：US20160006049A1

公开(公告)日：2016-01-07

申请号：US14546463

申请日：2014-11-18

Applicant: Hyundai Motor Company ,  Kia Motors Corporation

Inventor： Sang Uk Kwon ,  Nam Woo Lee ,  Heon Joong Lee

IPC: H01M8/04

CPC classification number: H01M8/04104 ,  H01M8/04664 ,  H01M8/04753 ,  H01M8/04992 ,  H01M2250/20 ,  Y02T90/32

Abstract: A system and method of controlling an air blower for a fuel cell vehicle are provided. The method includes determining an operation amount of an air blower to secure a sufficient air flow rate under present operating conditions and obtaining information regarding clogging of an air channel or information regarding a back pressure using the operation amount of the air blower. In addition, a maximum operating range of the air blower is changed based on whether a present state is an air channel-clogged state or a back pressure-increased state.

Abstract translation: 提供了一种用于控制燃料电池车辆的鼓风机的系统和方法。 该方法包括确定鼓风机的操作量，以确保当前操作条件下的足够的空气流量，并使用鼓风机的操作量获得关于空气通道堵塞的信息或关于背压的信息。 此外，根据当前状态是空气通道阻塞状态还是背压增加状态来改变鼓风机的最大工作范围。

公开(公告)号：US20240014414A1

公开(公告)日：2024-01-11

申请号：US18080231

申请日：2022-12-13

Applicant: HYUNDAI MOTOR COMPANY ,  KIA CORPORATION

Inventor： Jin Young Park ,  Hee Sung Yoon ,  Sang Hoon Ahn ,  Nam Woo Lee ,  Tae Woo Kim

IPC: H01M8/04014 ,  H01M8/04089 ,  H01M8/22 ,  H01M8/2465

CPC classification number: H01M8/04014 ,  H01M8/04089 ,  H01M8/222 ,  H01M8/2465

Abstract: A fuel cell system includes: an oxygen concentration module to produce oxygen-enriched air by separating nitrogen from air, and a first air supply line connected to the oxygen concentration module to supply air to the oxygen concentration module. The fuel cell system further includes: a heating unit provided in the first air supply line to selectively heat air by using waste heat discharged from an external heat source provided outside a fuel cell stack, a second air supply line connected to the oxygen concentration module and configured to supply air to the oxygen concentration module independently of the first air supply line, a cooling unit provided in the second air supply line and configured to selectively cool air by using outside cold energy, and a stack connection line which connects the oxygen concentration module and the fuel cell stack and supplies the oxygen-enriched air to the fuel cell stack.

公开(公告)号：US11139491B2

公开(公告)日：2021-10-05

申请号：US15371111

申请日：2016-12-06

Applicant: HYUNDAI MOTOR COMPANY

Inventor： Hyuck Roul Kwon ,  Nam Woo Lee ,  Sung Wook Na

IPC: H01M8/04225 ,  H01M8/04746 ,  H01M8/04302 ,  H01M8/04029 ,  H01M8/04701 ,  H01M8/04007 ,  H01M8/0432 ,  H01M8/0438 ,  H01M8/1018

Abstract: A thermal management system for a fuel cell vehicle includes a first line including a coolant pump and a fuel cell stack, a second line including a coolant heater and a phase change material (PCM) and connected to the first line to form a first loop in which the coolant pump, the stack, the coolant heater, and the PCM are arranged, a third line including a radiator and connected to the first line to form a second loop in which the coolant pump, the stack, and the radiator are arranged, and an opening and closing valve opening and closing each of the first line, the second line, and the third line to allow the coolant to circulate in at least one of the first loop and the second loop, wherein the PCM is configured to be heat-exchanged with the coolant heater and the coolant.

公开(公告)号：US20210159526A1

公开(公告)日：2021-05-27

申请号：US16914995

申请日：2020-06-29

Applicant: HYUNDAI MOTOR COMPANY ,  KIA MOTORS CORPORATION

Inventor： Won Uk Lee ,  Nam Woo Lee

IPC: H01M8/04791 ,  H01M8/0444 ,  H01M8/0438

Abstract: An apparatus and method for reducing an exhaust hydrogen concentration in a fuel cell system includes a first air cut-off valve (ACV) blocking ambient air supplied to a cathode, a second ACV blocking exhaust hydrogen discharged from the cathode, and an air suction valve (ASV) operating in a first mode connecting the cathode and an intake port of an air compressor and in a second mode blocking connection between the cathode and the intake port of the air compressor. The apparatus also includes a controller for operating the ASV in the first mode to store air of the cathode while the first ACV is opened and the second ACV is closed when hydrogen is supplied to an anode, and for operating the ASV in the second mode to discharge ambient air through an exhaust line while the first ACV is opened and the second ACV is opened when ambient air is supplied to the cathode.