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1. WO2014111623 - A FUEL SYSTEM FOR A GAS OPERATED INTERNAL COMBUSTION PISTON ENGINE

Publication Number WO/2014/111623
Publication Date 24.07.2014
International Application No. PCT/FI2014/050024
International Filing Date 15.01.2014
IPC
F02D 19/06 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
DCONTROLLING COMBUSTION ENGINES
19Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
06peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
F02M 63/02 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
63Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/-F02M57/143; Details, component parts or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/-F02M61/193
02Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
F02M 43/04 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
43Fuel-injection apparatus operating simultaneously on two or more fuels or on a liquid fuel and another liquid, e.g. the other liquid being an anti-knock additive
04Injectors peculiar thereto
F02D 19/10 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
DCONTROLLING COMBUSTION ENGINES
19Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
06peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
08simultaneously using pluralities of fuels
10peculiar to compression-ignition engines in which the main fuel is gaseous
CPC
F02B 11/02
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
11Engines characterised by both fuel-air mixture compression and air compression, or characterised by both positive ignition and compression ignition, e.g. in different cylinders
02convertible from fuel-air mixture compression to air compression or vice versa
F02D 19/0694
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
DCONTROLLING COMBUSTION ENGINES
19Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
06peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
0663Details on the fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
0686Injectors
0694operating with a plurality of fuels
F02D 19/10
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
DCONTROLLING COMBUSTION ENGINES
19Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
06peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
08simultaneously using pluralities of fuels
10peculiar to compression-ignition engines in which the main fuel is gaseous
F02D 41/3094
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
DCONTROLLING COMBUSTION ENGINES
41Electrical control of supply of combustible mixture or its constituents
30Controlling fuel injection
3094the fuel injection being effected by at least two different injectors, e.g. one in the intake manifold and one in the cylinder
F02M 21/00
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
21Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
F02M 37/0064
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
37Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
0047Layout or arrangement of systems for feeding fuel
0064for engines being fed with multiple fuels or fuels having special properties, e.g. bio-fuels; varying the fuel composition
Applicants
  • WÄRTSILÄ FINLAND OY [FI]/[FI]
Inventors
  • JAY, David
Agents
  • GENIP OY
Priority Data
2013504816.01.2013FI
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) A FUEL SYSTEM FOR A GAS OPERATED INTERNAL COMBUSTION PISTON ENGINE
(FR) SYSTÈME DE CARBURANT POUR UN MOTEUR À PISTONS À COMBUSTION INTERNE FONCTIONNANT AU GAZ
Abstract
(EN) (57) Abstract Invention relates to a fuel system (10) for a gas operated internal combustion piston engine (12) comprising a gaseous fuel feeding system (14), a first liquid fuel feeding system (20) and a second fuel feeding system (40), and a number of first fuel admission systems (21) for introducing liquid fuel into combustion chamber (12') of the engine, belonging to and being in connection with the first liquid fuel feeding system(20), and a number of second fuel admission systems (41) for introducing liquid fuel into the combustion chamber (12'), belonging to and being in connection with the second liquid fuel feeding system(40). The first liquid fuel admission system (20) and the second liquid fuel admission system (40) for one combustion chamber (12') are arranged into a single liquid fuel injector (50) having fuel channels separated from each other and that the first and the second liquid fuel feeding system (20, 40) share a common fuel source (52).
(FR) L'invention porte sur un système de carburant (10) pour un moteur à pistons à combustion interne fonctionnant au gaz (12), comprenant un système d'alimentation en carburant gazeux (14), un premier système d'alimentation en carburant liquide (20) et un second système d'alimentation en carburant (40), et un certain nombre de premiers systèmes d'admission de carburant (21) destinés à introduire un carburant liquide dans une chambre de combustion (12') du moteur, appartenant au premier système d'alimentation en carburant liquide (20) et raccordés à celui-ci, et un certain nombre de seconds systèmes d'admission de carburant (41) destinés à introduire un carburant liquide dans la chambre de combustion (12'), appartenant au second système d'alimentation en carburant liquide (40) et raccordés à celui-ci. Le premier système d'admission de carburant liquide (20) et le second système d'admission de carburant liquide (40) affectés à une première chambre de combustion (12') sont agencés dans un même injecteur de carburant liquide (50) ayant des canaux de carburant séparés l'un de l'autre, et les premier et second systèmes d'alimentation en carburant liquide (20, 40) partagent une source de carburant commune (52).
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