US 12,469,865 B2
Apparatus for fuel cell system
Yong Hee Lee, Yongin-si (KR)
Assigned to HYUNDAI MOTOR COMPANY, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed by HYUNDAI MOTOR COMPANY, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed on Aug. 23, 2022, as Appl. No. 17/893,551.
Claims priority of application No. 10-2022-0052468 (KR), filed on Apr. 28, 2022.
Prior Publication US 2023/0352710 A1, Nov. 2, 2023
Int. Cl. H01M 8/04746 (2016.01); H01M 8/04082 (2016.01); H01M 8/0432 (2016.01); H01M 8/0438 (2016.01)
CPC H01M 8/04753 (2013.01) [H01M 8/04201 (2013.01); H01M 8/04373 (2013.01); H01M 8/04425 (2013.01)] 17 Claims
OG exemplary drawing
 
1. An apparatus for a fuel cell system, the apparatus comprising:
a master controller;
at least one slave controller connected to the master controller; and
a fuel cell controller configured to transmit a control command regarding a corresponding hydrogen tank valve to the master controller,
wherein the at least one slave controller comprises a first slave controller and a second slave controller,
wherein the first slave controller is connected to a first hydrogen tank valve,
wherein the second slave controller is connected to a second hydrogen tank valve, and
wherein, when DTC (Diagnostic Trouble Code) of the at least one slave controller is not zero, the fuel cell controller is configured to transmit an alarm for checking hydrogen tanks or valves, connected to a slave controller having the DTC that is not zero.