EP 1209413 A1 20020529 - Over-fire air feeding system
Title (en)
Over-fire air feeding system
Title (de)
Oberluftzufuhrsystem
Title (fr)
Système d'injection d'air au dessus du foyer
Publication
Application
Priority
IT FI20000239 A 20001124
Abstract (en)
A system for feeding over-fire air to a combustion chamber (10, 24, 42) of a steam or hot water generation plant of low-medium capacity, using solid, liquid or gaseous fuel or a combination thereof, comprising a main combustion air duct (5) supplied to a burner unit (11, 25, 43) in the combustion chamber and an over-fire air duct (12, 27, 44), which extends within said combustion chambers and is provided at its end with nozzle means (17, 27, 47) for said over-fire air. <IMAGE>
IPC 1-7
IPC 8 full level
F23C 6/04 (2006.01); F23C 7/02 (2006.01); F23L 9/04 (2006.01)
CPC (source: EP US)
F23C 6/04 (2013.01 - EP US); F23C 7/02 (2013.01 - EP US); F23L 9/04 (2013.01 - EP US); F23C 2202/30 (2013.01 - EP US)
Citation (search report)
- [XY] US 6109911 A 20000829 - TAMMINEN ARI [FI], et al
- [Y] US 5741130 A 19980421 - HAGSTROM ULF G [SE], et al
- [Y] DE 19705938 A1 19980820 - ABB RESEARCH LTD [CH]
- [Y] US 2212311 A 19400820 - GIUSEPPE ALFISI
- [Y] US 3799076 A 19740326 - GRAVES W
- [X] DE 3803134 A1 19890817 - ERK ECKROHRKESSEL [DE]
- [X] CH 137419 A 19300115 - WEGMANN EDUARD [CH]
- [X] DE 4302847 A1 19940804 - ABB RESEARCH LTD [CH]
- [X] DE 19505753 A1 19960822 - ABB RESEARCH LTD [CH]
- [X] GB 2227084 A 19900718 - CBR FABRICATIONS LIMITED [GB]
- [XY] PATENT ABSTRACTS OF JAPAN vol. 010, no. 193 (M - 496) 8 July 1986 (1986-07-08)
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
EP 1209413 A1 20020529; IT 1314878 B1 20030116; IT FI20000239 A1 20020524; US 2002064742 A1 20020530
DOCDB simple family (application)
EP 01830704 A 20011115; IT FI20000239 A 20001124; US 99981301 A 20011123