SYSTEM AND METHOD FOR REHEAT STEAM TEMPERATURE CONTROL IN CIRCULATING FLUIDIZED BED BOILERS - Patent 0455660

(19)

(11)

EP 0 455 660 A1

(12)

(43)	Date of publication:
	13.11.1991 Bulletin 1991/46

(21)	Application number: 90901818.0

(22)	Date of filing: 23.01.1990

(51)

International Patent Classification (IPC):

F22G 1/ 04^{( . )}
F01K 7/ 24^{( . )}
F22B 31/ 00^{( . )}

F01K 7/ 22^{( . )}
F22B 1/ 02^{( . )}
F22G 5/ 12^{( . )}

(86)	International application number:
	PCT/FI1990/000026

(87)	International publication number:
	WO 1990/008917 (09.08.1990 Gazette 1990/19)

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

(30)

Priority:

24.01.1989 US 19890301621

(71)	Applicant: A. AHLSTROM CORPORATION
	FIN-29600 Noormarkku (FI)

(72)	Inventors:
	GOUNDER, Ponnusami, K. San Diego, CA 92126 (US) KAURANEN, Timo, M. San Diego, CA 92122 (US) RASKIN, Neil, R. Carlsbad, CA 92009 (US)

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

(54)	SYSTEM AND METHOD FOR REHEAT STEAM TEMPERATURE CONTROL IN CIRCULATING FLUIDIZED BED BOILERS