Patent ID: 11958352
Assignee: FIRST MODE HOLDINGS, INC.
Field: Transport (Mechanical engineering)
Classification: CPC B  H | IPC B  H

Claim 6:
7. A method of retrofitting a combustion engine powered mining haul truck with a hybrid hydrogen fuel cell/battery-based powerplant, the method comprising:
removing, from a frame of the haul truck, (a) a combustion engine and an alternator from an engine bay, (b) a fuel tank from a first wheel pocket, and (c) a hydraulic fluid reservoir from a second wheel pocket to create at least a portion of a plurality of available volumes;
installing the hydraulic fluid reservoir in a rear axle pocket of the haul truck; and
installing at least a portion of a fuel cell system, a battery system, or a liquid hydrogen storage system (LHSS) in at least one of the available volumes.