(19)
(11) EP 3 579 950 A1

(12)

(43) Date of publication:
18.12.2019 Bulletin 2019/51

(21) Application number: 17895810.4

(22) Date of filing: 01.11.2017
(51) International Patent Classification (IPC): 
B01D 53/94(2006.01)
B01J 29/74(2006.01)
(86) International application number:
PCT/US2017/059488
(87) International publication number:
WO 2018/147912 (16.08.2018 Gazette 2018/33)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
MA MD

(30) Priority: 11.02.2017 US 201762457846 P
25.04.2017 US 201715496828
25.04.2017 WO PCT/US2017/029423
25.07.2017 US 201715658998
25.07.2017 WO PCT/US2017/043711

(71) Applicant: Tecogen, Inc.
Waltham, MA 02451 (US)

(72) Inventors:
  • GHONIEM, Ahmed, F.
    Winchester, MA 01890 (US)
  • ROY, Jean
    Middleton, MA 01949 (US)

(74) Representative: Russell, Tim et al
Venner Shipley LLP 200 Aldersgate
London EC1A 4HD
London EC1A 4HD (GB)

   


(54) NOX REDUCTION WITHOUT UREA USING A DUAL STAGE CATALYST SYSTEM WITH INTERCOOLING IN VEHICLE GASOLINE ENGINES