Patent · US Active

Humidifier, fuel cell device having a humidifier, and motor vehicle

US11757112B2 · kind B2 · utility

0Cited by

1References

10Claims

0Family size

Assignees

VOLKSWAGEN AKTIENGESELLSCHAFT · DE
AUDI AG · DE

Inventors

Oliver Berger · Braunschweig, DE
Rune Staeck · Gifhorn, DE
Christian Lucas · Braunschweig, DE

Key dates

Filing date	Jun 28, 2019
Grant date	Sep 12, 2023
Priority date	—
Expiry date	Jul 15, 2040

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T90/40
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A humidifier has a plurality of humidifier modules that are clamped between end plates by tie rods and have a membrane that is permeable to water vapor, in which on both sides of the membrane there is respectively arranged a flow field frame having a multiplicity of webs defining a flow field. The tie rods are configured as hollow rods forming coolant tubes for a coolant to be led through. A fuel cell device and a motor vehicle having such a humidifier are also provided.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.