EP 3973227 A4 20230809 - A SECONDARY AIR CASING FOR A FIREPLACE
Title (en)
A SECONDARY AIR CASING FOR A FIREPLACE
Title (de)
SEKUNDÄRLUFTMANTEL FÜR KAMIN
Title (fr)
CAISSON D'AIR SECONDAIRE POUR CHEMINÉE
Publication
Application
Priority
- FI 20195427 A 20190523
- FI 2020050339 W 20200520
Abstract (en)
[origin: WO2020234514A1] The invention relates to a secondary air casing (10) for conducting secondary air to different heights inside a firebox of a fireplace. The casing (10) comprises a hollow body, an air inlet (11) through which air is arranged to be flown inside the secondary air casing (10) to be preheated, and a plurality of air outlet openings (12) arranged in different heights of the secondary air casing (10) arranged to conduct preheated air to the firebox through at least the air outlet openings (12) that are on the height of the top of a burning wood charge inside the firebox. The invention further relates to a fireplace comprising a secondary air casing (10) and a grate (10), a method for supplying a secondary air to different heights of a firebox through air outlet openings (12) arranged at different heights on a secondary air casing (10), and to a secondary air casing retrofitting kit for a fireplace.
IPC 8 full level
F23L 9/02 (2006.01); F23L 9/06 (2006.01); F23L 15/04 (2006.01); F24B 5/02 (2006.01)
CPC (source: EP FI)
F23B 60/02 (2013.01 - EP); F23B 90/04 (2013.01 - EP); F23L 9/02 (2013.01 - EP FI); F23L 9/06 (2013.01 - EP FI); F23L 15/04 (2013.01 - EP); F24B 1/19 (2013.01 - EP); F24B 1/191 (2013.01 - FI); F24B 5/025 (2013.01 - EP FI); Y02E 20/34 (2013.01 - EP)
Citation (search report)
- [XY] US 4941451 A 19900717 - GILHAM RICHARD J [AU]
- [X] GB 2504659 A 20140212 - CHESNEY S LTD [GB]
- [Y] US 5263471 A 19931123 - SHIMEK RONALD J [US], et al
- See references of WO 2020234514A1
Designated contracting state (EPC)
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
DOCDB simple family (publication)
WO 2020234514 A1 20201126; CA 3147898 A1 20201126; EP 3973227 A1 20220330; EP 3973227 A4 20230809; FI 128988 B 20210430; FI 20195427 A1 20201124; JP 2022533853 A 20220726
DOCDB simple family (application)
FI 2020050339 W 20200520; CA 3147898 A 20200520; EP 20809230 A 20200520; FI 20195427 A 20190523; JP 2021569861 A 20200520