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Solid oxide fuel cell power plant with an anode recycle loop turbocharger

United States Patent

July 14, 2015
View the Complete Patent at the US Patent & Trademark Office
An anode exhaust recycle turbocharger (100) has a turbocharger turbine (102) secured in fluid communication with a compressed oxidant stream within an oxidant inlet line (218) downstream from a compressed oxidant supply (104), and the anode exhaust recycle turbocharger (100) also includes a turbocharger compressor (106) mechanically linked to the turbocharger turbine (102) and secured in fluid communication with a flow of anode exhaust passing through an anode exhaust recycle loop (238) of the solid oxide fuel cell power plant (200). All or a portion of compressed oxidant within an oxidant inlet line (218) drives the turbocharger turbine (102) to thereby compress the anode exhaust stream in the recycle loop (238). A high-temperature, automotive-type turbocharger (100) replaces a recycle loop blower-compressor (52).
Saito; Kazuo (Glastonbury, CT), Skiba; Tommy (East Hartford, CT), Patel; Kirtikumar H. (Berlin, CT)
Ballard Power Systems Inc. (Burnaby, CA)
13/ 567,162
August 6, 2012
This invention was made with government support under Contract No. DE-NT0003894 awarded by the Department of Energy. The government has certain rights in the invention.