(19)
(11) EP 1 633 960 A1

(12)

(43) Date of publication:
15.03.2006 Bulletin 2006/11

(21) Application number: 04742998.0

(22) Date of filing: 18.06.2004
(51) International Patent Classification (IPC): 
F01N 3/023(2000.01)
F01N 3/28(1980.01)
F01N 3/022(2000.01)
F01N 3/035(2000.01)
F01N 3/021(2000.01)
(86) International application number:
PCT/GB2004/002645
(87) International publication number:
WO 2004/113692 (29.12.2004 Gazette 2004/53)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

(30) Priority: 18.06.2003 GB 0314243

(71) Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
London SW1Y 5BQ (GB)

(72) Inventors:
  • ALLANSSON, Eive, Tord, Ronny
    S-434 96 Kungsbacka (SE)
  • ANDREASSON, Anders, Klas
    S-426 77 V. Frolunda (SE)
  • LAVENIUS, Mats
    S-433 30 Partille (SE)

(74) Representative: Nunn, Andrew Dominic 
Johnson Matthey Technology Centre, Blount's Court, Sonning Common
Reading, Berkshire RG4 9NH
Reading, Berkshire RG4 9NH (GB)

   


(54) FLOW REVERSAL IN EXHAUST SYSTEM INCLUDING FILTER