The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 22, 2022

Filed:

Mar. 26, 2019
Applicants:

Hyundai Motor Company, Seoul, KR;

Kia Motors Corporation, Seoul, KR;

Inventors:

Boung Ho Min, Gyeonggi-do, KR;

Dong Hun Lee, Gyeonggi-do, KR;

Soon Woo Kwon, Gyeonggi-do, KR;

Assignees:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/0444 (2016.01); H01M 8/0438 (2016.01); H01M 8/04664 (2016.01); H01M 8/04223 (2016.01);
U.S. Cl.
CPC ...
H01M 8/04462 (2013.01); H01M 8/04231 (2013.01); H01M 8/04432 (2013.01); H01M 8/04679 (2013.01); H01M 2250/20 (2013.01);
Abstract

A fuel cell hydrogen supply fault diagnosis system is provided. The system includes multiple fuel tanks that store hydrogen therein to supply the hydrogen and a fuel tank valve disposed at each of the fuel tanks and configured to be opened or closed to supply or shut off the hydrogen of the fuel tanks. A pressure sensor measures pressure in a fuel supply line that extends from each of the multiple fuel tanks to be integrally connected to a fuel cell stack. A supply amount estimator then estimates a supply amount of hydrogen supplied to the fuel cell stack and a consumption amount estimator estimates a consumption amount of hydrogen consumed in a reaction in the fuel cell stack or discharged therefrom. A fault detector then detects a hydrogen supply state.


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