US 7,320,837 B2
Fuel cell system including a catalytically active reactor unit with flow control means
Ian Faye, Stuttgart (Germany); Ulrich Gottwick, Stuttgart (Germany); Rainer Saliger, Freiberg (Germany); and Jan-Michael Graehn, Stuttgart (Germany)
Assigned to Robert Bosch GmbH, Stuttgart (Germany)
Filed on Nov. 03, 2003, as Appl. No. 10/699,908.
Claims priority of application No. 102 51 565 (DE), filed on Nov. 06, 2002.
Prior Publication US 2004/0115496 A1, Jun. 17, 2004
Int. Cl. H01M 8/04 (2006.01); H01M 8/12 (2006.01); H01M 4/00 (2006.01); H01M 2/00 (2006.01); H01M 2/02 (2006.01)
U.S. Cl. 429—22  [429/34; 429/35] 15 Claims
OG exemplary drawing
 
1. A fuel cell system comprising
a fuel cell unit; and
a catalytically active reactor unit for at least partial chemical transformation of an operating medium stream, wherein the catalytically active reactor unit has a catalytically active reactor volume acted on by the operating medium stream and the catalytically active reactor unit comprises at least one control means for controlling and/or for changing the catalytically active reactor volume acted on by the operating medium stream, wherein said at least one control means comprises at least one diaphragm device changeable transverse to a flow direction of the operating medium stream.