Title:
水素充填システムの圧力計の故障診断方法及び水素充填システムの圧力計の校正方法
Document Type and Number:
Japanese Patent JP7078776
Kind Code:
B2
Abstract:
According to one aspect of the present invention, a method for diagnosing failure in a pressure gauge of a hydrogen filling system includes filling a fuel cell vehicle powered by hydrogen fuel with the hydrogen fuel from an accumulator, in which the hydrogen fuel is accumulated, via a dispenser; and acquiring pressure values measured by a plurality of pressure gauges disposed at different positions in a flow passage of the hydrogen fuel between the accumulator and an outlet of the dispenser at timing when a flow rate of the hydrogen fuel to be filled at a stage close to an end of the filling becomes a threshold value or less, determining whether or not a deviation between the pressure values is within a threshold value on the basis of acquired pressure values, and outputting a determination result.
Inventors:
Akihiko Fukunaga
Application Number:
JP2021078356A
Publication Date:
May 31, 2022
Filing Date:
May 06, 2021
Export Citation:
Assignee:
eneos corporation
International Classes:
F17C13/02; F17C5/06; G01L27/02
Domestic Patent References:
| JP201775635A | ||||
| JP2013200019A | ||||
| JP2011122657A |
Attorney, Agent or Firm:
Torushin Ikegami
Akira Sudo
Akira Sudo
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