Patent 7659022 was granted and assigned to Modine Manufacturing Company on February, 2010 by the United States Patent and Trademark Office.
An integrated fuel cell unit (10) includes an annular array (12) of fuel cell stacks (14), an annular cathode recuperator (20), an annular anode recuperator (22), a reformer (24), and an anode exhaust cooler (26), all integrated within a common housing structure (28).