COMPRESSOR SYSTEM USING THROTTLING VALVE INSIDE THE ANTI-SURGE LOOP DURING START-UP AND RELATIVE OPERATING METHOD - Patent 4798865

(19)

(11)

EP 4 798 865 A1

(12)

(43)	Date of publication:
	02.09.2026 Bulletin 2026/36

(21)	Application number: 24800773.4

(22)	Date of filing: 21.10.2024

(51)

International Patent Classification (IPC):

F04D 27/02^(2006.01)

(52)	Cooperative Patent Classification (CPC):
	F04D 27/0207; F04D 27/0223; F04D 27/0253; F04D 27/0215; F05D 2260/85

(86)	International application number:
	PCT/EP2024/025308

(87)	International publication number:
	WO 2025/087560 (01.05.2025 Gazette 2025/18)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR
	Designated Extension States:
	BA
	Designated Validation States:
	GE KH MA MD TN

(30)

Priority:

27.10.2023 IT 202300022554

(71)	Applicant: Nuovo Pignone Tecnologie - S.r.l.
	50127 Florence (IT)

(72)	Inventors:
	GALLINELLI, Lorenzo 50127 Florence (IT) CASALI, Laurence 50127 Florence (IT) PELELLA, Marco 50127 Florence (IT)

(74)	Representative: Illingworth-Law, William Illingworth
	Baker Hughes 245 Hammersmith Chalk Hill Road London W6 8DW London W6 8DW (GB)

(54)	COMPRESSOR SYSTEM USING THROTTLING VALVE INSIDE THE ANTI-SURGE LOOP DURING START-UP AND RELATIVE OPERATING METHOD