Method for the regulation of combustion air and a corresponding regulation arrangement

(19)

(11)

EP 1 008 808 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	20.12.2000 Bulletin 2000/51

(43)	Date of publication A2:
	14.06.2000 Bulletin 2000/24

(21)	Application number: 99660185.2

(22)	Date of filing: 03.12.1999

(51)	International Patent Classification (IPC)⁷: F23L 1/02, F23L 9/00

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
	Designated Extension States:
	AL LT LV MK RO SI

(30)

Priority:

11.12.1998 FI 982692

(71)	Applicant: Nunnanlahden Uuni Oy
	83940 Nunnanlahti (FI)

(72)	Inventor:
	Lehikoinen, Juhani 83940 Nunnanlahti (FI)

(74)	Representative: Helino, Timo Kalervo et al
	Papula Rein Lahtela Oy, P.O. Box 981 00101 Helsinki 00101 Helsinki (FI)

(54)	Method for the regulation of combustion air and a corresponding regulation arrangement

(57) A method for the regulation of combustion air when wood is burned in a heat-storing fireplace in which all combustion air (1) is supplied from below a grate (2) into a firebox. When a wood charge (4) is being ignited, a substantial proportion of the combustion air (1) is supplied as auxiliary primary air (5) through the middle area of the grate (2) under the wood charge and some of the combustion air is supplied into the firebox as secondary air (6). After the wood charge has been kindled or when more wood (7) is added on top of glowing embers (8), the amount of auxiliary primary air is limited, some of the combustion air is directed as main primary air (9) under the wood charge mainly to the edge areas of the wood charge while most of the combustion air is supplied as secondary air (10) into the firebox.

Search report