US 11,739,856 B2
Valve for hydrogen tank of fuel cell vehicle
Young Jae Kwon, Gyeonggi-do (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 Feb. 25, 2022, as Appl. No. 17/680,918.
Claims priority of application No. 10-2021-0034377 (KR), filed on Mar. 17, 2021.
Prior Publication US 2022/0299128 A1, Sep. 22, 2022
Int. Cl. F16K 31/40 (2006.01); F16K 31/06 (2006.01); H01M 8/04082 (2016.01); F16K 31/383 (2006.01)
CPC F16K 31/0693 (2013.01) [F16K 31/0655 (2013.01); F16K 31/3835 (2013.01); F16K 31/408 (2013.01); H01M 8/04201 (2013.01); H01M 2250/20 (2013.01); Y10T 137/86928 (2015.04); Y10T 137/86944 (2015.04); Y10T 137/8704 (2015.04); Y10T 137/87016 (2015.04); Y10T 137/88022 (2015.04)] 9 Claims
OG exemplary drawing
 
1. A valve for a hydrogen tank of a fuel cell vehicle, the valve comprising:
a coil unit configured to generate a magnetic force when power is applied thereto;
a pilot plunger configured to be moved upwards by the magnetic force generated by the coil unit;
a main plunger disposed inside the pilot plunger, wherein the main plunger includes a hydrogen communication hole formed therein; and
a flexible connection bar interconnecting the pilot plunger and the main plunger,
wherein the pilot plunger is provided at one side thereof with a first open hole to communicate with a tank-side flow passage, a blocking body to block the tank-side flow passage, and a second open hole to allow the tank-side flow passage to communicate with a pipe-side flow passage.