IP Library Granted Patent US 8,968,944
Granted Patent B2
US 8,968,944 · App. 13/055,269 · Granted Mar 3, 2015

Humidifier device for humidifying a fluid in a fuel cell system

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 8,968,944
App. No.
13/055,269
Granted
Mar 3, 2015
Kind
B2
Abstract

A humidifier device for humidifying a fluid in a fuel cell system of a motor vehicle is provided. The humidifier device has a housing, in which is arranged at least one membrane, and a bypass channel for bypassing the at least one membrane. The bypass channel has a non-circular cross-section.

Claims (15)

1. A humidifier device for humidifying a fluid in a fuel cell system of a motor vehicle, the humidifier device comprising:

a housing with an angular outer contour;

a humidifier cartridge having an angular outer contour and arranged inside of the housing;

an air supply inlet in the housing;

an air exhaust outlet in the housing; and

a bypass channel connected between the air supply inlet and air exhaust outlet and having an angular outer contour,

wherein the bypass channel is formed between an outer wall of the humidifier cartridge and an inner wall of the housing.

2. The humidifier device according to claim 1 , further comprising:

an air supply channel having an angular outer contour and connected between the air supply inlet and the humidifier cartridge.

3. The humidifier device according to claim 2 , wherein the air supply channel is formed on an opposite side of the humidifier device from the bypass channel and is formed between the outer wall of the humidifier cartridge and the inner wall of the housing.

4. The humidifier device according to claim 3 , wherein the bypass channel has a flat outer contour.

5. The humidifier device according to claim 2 , wherein the air supply channel has a flat outer contour.

6. The humidifier device according to claim 1 , wherein a control element is arranged in the bypass channel for changing a cross-section of the bypass channel.

7. The humidifier device according to claim 6 , wherein the control element is a throttle valve.

8. The humidifier device according to claim 6 , wherein the control element is drivable by an actuator that is arranged at or in the housing.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 14, 2021
From: DAIMLER AG
To: CELLCENTRIC GMBH & CO. KG
Reel/Frame 058390/0159 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 20, 2011
From: FORD GLOBAL TECHNOLOGIES LLC
To: DAIMLER AG
Reel/Frame 026466/0276 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 15, 2011
From: ALTMUELLER, BERND; EHRENTRAUT, HARALD; EPING, UDO; HOLLNAICHER, SIMON; WISSHAK, PETER
To: DAIMLER AG; FORD GLOBAL TECHNOLOGIES, LLC
Reel/Frame 025957/0578 →