DYNAMIC THRUST BALANCING FOR CENTRIFUGAL COMPRESSORS - Patent 2516866

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EP 2 516 866 A2

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(88)	Date of publication A3:
	29.09.2011

(43)	Date of publication:
	31.10.2012 Bulletin 2012/44

(21)	Application number: 10793252.7

(22)	Date of filing: 16.12.2010

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International Patent Classification (IPC):

F04D 29/051^(2006.01)

F04D 27/00^(2006.01)

(86)	International application number:
	PCT/EP2010/070001

(87)	International publication number:
	WO 2011/076668 (30.06.2011 Gazette 2011/26)

(84)	Designated Contracting States:
	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

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Priority:

22.12.2009 IT CO20090072

(71)	Applicant: Nuovo Pignone S.p.A.
	50127 Florence (IT)

(72)	Inventors:
	MARIOTTI, Gabriele I-50127 Firenze (IT) CAGNARINI, Claudia I-50127 Firenze (IT)

(74)	Representative: Illingworth-Law, William Illingworth
	GE International Inc. Global Patent Operation - Europe 15 John Adam Street London WC2N 6LU London WC2N 6LU (GB)

(54)	DYNAMIC THRUST BALANCING FOR CENTRIFUGAL COMPRESSORS