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.
Patent No.:
Date of Patent:
Feb. 06, 2007
Filed:
Jan. 30, 2002
Joachim Scholta, Nersingen, DE;
Ludwig Jörrisen, Neu-Ulm, DE;
Bernd Gaugler, Ulm, DE;
Viessmann Werke GmbH & Co., Allendorf, DE;
Abstract
The invention relates to a fuel cell with integrated humidification, comprising a cathode-side or anode-side humidification unit with a heat exchanger, a condensate separator, a capillary tube and a Venturi nozzle and/or pump. The invention also relates to a method for humidifying process gas for the operation of a fuel cell wherein only product water is used and wherein, according to a first embodiment, the gas containing Ofor the cathode is humidified by the cathode off-gas which contains water vapor by means of a first humidification unit and/or the combustion gas containing Hfor the anode is humidified by the anode off-gas which contains water vapor by means of a second humidification unit or wherein, according to a second embodiment, the combustion gas containing Hfor the anode is humidified by the cathode off-gas which contains water vapor by means of a first humidification unit and/or the gas containing Ofor the cathode is humidified by the anode off-gas which contains water vapor by means of a second humidification unit.