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SOFC hot box components

  • US 8,877,399 B2
  • Filed: 01/05/2012
  • Issued: 11/04/2014
  • Est. Priority Date: 01/06/2011
  • Status: Active Grant
First Claim
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1. A fuel cell system comprising:

  • a cathode recuperator uni-shell comprising a monolithic assembly comprising a single plate, a top enclosure, and a bottom enclosure, wherein the cathode recuperator uni-shell is configured so that a first fluid flows on one side of the single plate and a second fluid flows on an opposite side of the single plate;

    a column of solid oxide fuel cell stacks; and

    column support which provides internal compression to the column of solid oxide fuel cell stacks;

    wherein the cathode recuperator uni-shell rests on the column support which provides internal compression to the column of solid oxide fuel cell stacks; and

    wherein the column support comprises ceramic baffle plates on sides of the column of solid oxide fuel coil stacks and a ceramic leaf spring located over the column of solid oxide fuel stacks on which the uni-shell rests.

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