A METHOD OF AND A DEVICE FOR MECHANICALLY REMOVING GAS FROM A ROOM SPACE - Patent 0570369

(19)

(11)

EP 0 570 369 A1

(12)

(43)	Date of publication:
	24.11.1993 Bulletin 1993/47

(21)	Application number: 91903529.0

(22)	Date of filing: 06.02.1991

(51)

International Patent Classification (IPC):

F23L 17/ 16^{( . )}

F24F 7/ 06^{( . )}

(86)	International application number:
	PCT/FI1991/000037

(87)	International publication number:
	WO 1992/014100 (20.08.1992 Gazette 1992/22)

(84)	Designated Contracting States:
	AT CH DE DK FR GB IT LI SE

(71)	Applicant: ABB FLÄKT OY
	SF-00620 Helsinki (FI)

(72)	Inventors:
	LAHTI, Kari SF-05840 Hyvinkää (FI) SAREN, Jari SF-05800 Hyvinkää (FI) SELIN, Mikko SF-05820 Hyvinkää (FI)

(74)	Representative: Füchsle, Klaus, Dipl.-Ing., et al
	Hoffmann, Eitle & Partner, Patentanwälte, Postfach 81 04 20 D-81904 München D-81904 München (DE)

(54)	A METHOD OF AND A DEVICE FOR MECHANICALLY REMOVING GAS FROM A ROOM SPACE