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Fuel cell system blower configuration

United States Patent

9,831,510
November 28, 2017
View the Complete Patent at the US Patent & Trademark Office
An exemplary fuel cell system includes a cell stack assembly having a plurality of cathode components and a plurality of anode components. A first reactant blower has an outlet situated to provide a first reactant to the cathode components. A second reactant blower has an outlet situated to provide a second reactant to the anode components. The second reactant blower includes a fan portion that moves the second reactant through the outlet. The second reactant blower also includes a motor portion that drives the fan portion and a bearing portion associated with the fan portion and the motor portion. The motor portion has a motor coolant inlet coupled with the outlet of the first reactant blower to receive some of the first reactant for cooling the motor portion.
Patel; Kirtikumar H. (Berlin, CT), Saito; Kazuo (Glastonbury, CT)
Audi AG (Ingolstadt, DE)
13/ 872,237
20140322621
April 29, 2013
This invention was made with U.S. Government support under Contract No. DE-NT0003894 awarded by the Department of Energy. The Government has certain rights in this invention.