Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Thomas Baur0
Thomas Winkeler0
Peter Riedel0
Date of Patent
June 28, 2011
0Patent Application Number
124439950
Date Filed
September 7, 2007
0Patent Primary Examiner
Patent abstract
In a device for conveying liquids or moist gases through a closed duct in a vehicle fuel cell power systems, freezing of the duct is prevented by providing a part of its internal wall flow passages or flow chambers with a nonwoven material. The nonwoven material absorbs liquid in disperse form at low temperatures through its capillary action and inhibits premature ice formation.
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