US 12,322,841 B2
Hydrogen supply system, fuel cell system, and working machine including hydrogen supply system and fuel cell system
Yukifumi Yamanaka, Osaka (JP); and Takahiro Takaki, Osaka (JP)
Assigned to KUBOTA CORPORATION, Osaka (JP)
Filed by KUBOTA CORPORATION, Osaka (JP)
Filed on Apr. 2, 2024, as Appl. No. 18/624,781.
Application 18/624,781 is a continuation of application No. 17/840,210, filed on Jun. 14, 2022, granted, now 11,978,930.
Claims priority of application No. 2021-117179 (JP), filed on Jul. 15, 2021.
Prior Publication US 2024/0250280 A1, Jul. 25, 2024
Int. Cl. H01M 8/04 (2016.01); H01M 8/04029 (2016.01); H01M 8/04082 (2016.01); H01M 8/04089 (2016.01); H01M 8/0438 (2016.01); H01M 8/04701 (2016.01)
CPC H01M 8/04097 (2013.01) [H01M 8/04029 (2013.01); H01M 8/04201 (2013.01); H01M 8/04388 (2013.01); H01M 8/04731 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A tractor comprising:
a vehicle body;
a hood at a front portion of the vehicle body;
a traveling device to support the vehicle body so that the vehicle body is capable of traveling;
a driving motor to drive the traveling device;
a PTO shaft, located rearward of the driving motor, to transmit power to a working machine;
a fuel cell system including a fuel cell and operable to supply electricity generated by the fuel cell to the driving motor;
a battery to store electricity generated by the fuel cell;
a step to allow an operator to get into and out of the tractor; and
a seat for the operator to operate the tractor, located above the step and rearward of the hood, wherein
the fuel cell and the battery are disposed inside the hood,
the step is located rearward of the fuel cell system,
the step is located between the fuel cell system and the driving motor,
the fuel cell system further includes a plurality of hydrogen tanks, and
the plurality of hydrogen tanks are disposed and connected in parallel.