EP 0784187 B1 20020717 - Catalytic combustion system with staged fuel injection
Title (en)
Catalytic combustion system with staged fuel injection
Title (de)
Katalytisches Verbrennungssystem mit gestufter Kraftstoffeinspritzung
Title (fr)
Système de combustion catalytique à injection étagée de combustible
Publication
Application
Priority
FR 9600512 A 19960115
Abstract (en)
[origin: EP0784187A1] The system consists of a housing (1) with an inlet (2) for a combustive material such as air, and a number of injectors (3,5) positioned to give a staged injection of fuel. It has a first monolithic element (4) coated with a catalyst and positioned after the first fuel injector (3) in relation to the air/fuel mixture flow. At least a second monolithic element (6) is situated after a second injector (5) with the aim of stabilising the combustion. The second element is coated with a catalyst selected from hexa-aluminates. A third monolithic element can also be included. The first and second elements can be in the form of a number of sections coated with catalysts based on precious metals. The catalytic coating on the second element is able to withstand temperatures up to about 1100 deg C, with the temperature of its output gases below about 1000 deg C. The catalytic materials have different valencies and are selected from barium, strontium, rare earths, manganese, cobalt and iron, magnesium and zinc. The catalytic coating on the first element is of palladium oxide.
IPC 1-7
IPC 8 full level
B01D 53/86 (2006.01); B01D 53/94 (2006.01); B01J 23/44 (2006.01); F23C 6/04 (2006.01); F23C 13/00 (2006.01)
CPC (source: EP US)
F23C 6/047 (2013.01 - EP US); F23C 13/00 (2013.01 - EP US)
Designated contracting state (EPC)
DE DK FI GB NL SE
DOCDB simple family (publication)
EP 0784187 A1 19970716; EP 0784187 B1 20020717; DE 69622361 D1 20020822; DE 69622361 T2 20021114; DK 0784187 T3 20020902; FR 2743616 A1 19970718; FR 2743616 B1 19980227; JP H09196307 A 19970729; US 5797737 A 19980825
DOCDB simple family (application)
EP 96402804 A 19961219; DE 69622361 T 19961219; DK 96402804 T 19961219; FR 9600512 A 19960115; JP 562597 A 19970116; US 78309197 A 19970114