Patent ID: 11862827
Assignee: FORD GLOBAL TECHNOLOGIES, LLC
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC B  H  Y | IPC B  H

Claim 0:
1. A vehicle comprising:
a fuel-cell system including a fuel cell, a hydrogen supply, a purge valve, and a drain line extending from the purge valve, wherein the drain line slopes such that fluid gravity flows away from the purge valve when the pitch is within the threshold, and the drain line slopes such that the fluid gravity flows towards the purge valve when the pitch is outside of the threshold; and
a controller programmed to:
responsive to a pitch of the vehicle being within a threshold, control the hydrogen supply and the purge valve according to a baseline purge routine, and
responsive to the pitch of the vehicle being outside of the threshold, control the hydrogen supply and the purge valve according to an enhanced purge routine.