Patent · US Active

Membrane humidifier, preferably for a fuel cell system

US11444296B2 · kind B2 · utility

0Cited by

3References

15Claims

0Family size

Assignee

Bayerische Motoren Werke Aktiengesellschaft · DE

Inventors

Marc Becker · Trier, DE
Thomas Hoefler · Stuttgart, DE
Hubert Wimmer · Isen, DE

Key dates

Filing date	Jun 7, 2019
Grant date	Sep 13, 2022
Priority date	—
Expiry date	Jan 22, 2041

Classification

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

Abstract

A membrane humidifier has multiple stacking units mounted one on top of the other, where an individual stacking unit includes a flow plate and diffusion unit, where a circumference of the diffusion unit is formed by two oppositely situated first edge sides and two oppositely situated second edge sides. The diffusion unit includes: a top layer on a top side of the diffusion unit, a bottom layer on a bottom side of the diffusion unit, a moisture-permeable membrane, two oppositely situated upper receiving elements at the two first edge sides, on the top side of the diffusion unit, and two oppositely situated lower receiving elements at the two second edge sides, on the bottom side of the diffusion unit, where the flow plate of the stacking unit is inserted into the two lower receiving elements, and where the next stacking unit is inserted into the two upper receiving elements.

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