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:
Nov. 25, 2008

Filed:

Jul. 02, 2003
Applicants:

Gerhard Berger, Ebersbach, DE;

Jens Intorp, Ulm, DE;

Gerhard Konrad, Ulm, DE;

Arnold Lamm, Elchingen, DE;

Sven Schnetzler, Marburg, DE;

Inventors:

Gerhard Berger, Ebersbach, DE;

Jens Intorp, Ulm, DE;

Gerhard Konrad, Ulm, DE;

Arnold Lamm, Elchingen, DE;

Sven Schnetzler, Marburg, DE;

Assignee:

Daimler AG, Stuttgart, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/22 (2006.01); H01M 8/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

An apparatus for humidifying a gas stream includes a humidifier device having at least one membrane permeable to water vapor. The gas stream and a humid gas stream flow through a humidifier device, being separated from one another by the at least one membrane. The apparatus includes at least one bypass line configured to route at least part of one of the gas stream and the humid gas stream so that it does not come into contact with the membrane. In addition a method for humidifying a gas stream, includes flowing the gas stream through a humidifier having a membrane permeable to water vapor, flowing a humid gas stream through the humidifier separated by the membrane, and routing at least a portion of one of the gas stream and the humid gas stream using a bypass line so that it does not come into contact with the membrane, and varying a quantity of the portion so as to set a predetermined dew point in the gas stream.


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