A DIRECT INJECTION GASEOUS FUEL FEEDING SYSTEM FOR A TWO-STROKE INTERNAL COMBUSTION PISTON ENGINE, A TWO-STROKE INTERNAL COMBUSTION PISTON ENGINE AND METHOD OF OPERATING A TWO-STROKE INTERNAL COMBUSTION PISTON ENGINE - Patent 4158180

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EP 4 158 180 A1

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(43)	Date of publication:
	05.04.2023 Bulletin 2023/14

(21)	Application number: 20728707.9

(22)	Date of filing: 25.05.2020

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International Patent Classification (IPC):

F02M 21/02^(2006.01)

F02M 35/16^(2006.01)

(52)	Cooperative Patent Classification (CPC):
	F02M 21/02; F02M 35/165; F02M 21/0218; F02M 59/105; F02M 21/0245; Y02T 10/30

(86)	International application number:
	PCT/EP2020/064401

(87)	International publication number:
	WO 2021/239204 (02.12.2021 Gazette 2021/48)

(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
	Designated Extension States:
	BA ME
	Designated Validation States:
	KH MA MD TN

(71)	Applicant: Wärtsilä Finland Oy
	65100 Vaasa (FI)

(72)	Inventors:
	XIAO, Yao 65100 Vaasa (FI) MÄENPÄÄ, Mikko 65100 Vaasa (FI) RÖNNBERG, Martin 65100 Vaasa (FI) JAY, David C. 65100 Vaasa (FI) VUOHIJOKI, Antti 65100 Vaasa (FI)

(74)	Representative: Genip Oy
	Heikinkatu 7 48100 Kotka 48100 Kotka (FI)

(54)	A DIRECT INJECTION GASEOUS FUEL FEEDING SYSTEM FOR A TWO-STROKE INTERNAL COMBUSTION PISTON ENGINE, A TWO-STROKE INTERNAL COMBUSTION PISTON ENGINE AND METHOD OF OPERATING A TWO-STROKE INTERNAL COMBUSTION PISTON ENGINE