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Fuel cell system blower configuration

Patent ·
OSTI ID:1410527

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.

Research Organization:
Audi AG, Ingolstadt, DE (Germany)
Sponsoring Organization:
USDOE
DOE Contract Number:
NT0003894
Assignee:
Audi AG (Ingolstadt, DE)
Patent Number(s):
9,831,510
Application Number:
13/872,237
OSTI ID:
1410527
Country of Publication:
United States
Language:
English