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1. (WO2018178502) A FUEL PUMP FOR SUPPLYING FUEL TO AN INTERNAL COMBUSTION PISTON ENGINE
Latest bibliographic data on file with the International Bureau    Submit observation

Pub. No.: WO/2018/178502 International Application No.: PCT/FI2017/050218
Publication Date: 04.10.2018 International Filing Date: 29.03.2017
IPC:
F02M 59/44 (2006.01) ,F02M 55/00 (2006.01) ,F02M 63/00 (2006.01) ,F04B 39/02 (2006.01) ,F04B 53/18 (2006.01) ,F02M 59/10 (2006.01) ,F04B 1/04 (2006.01)
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
M
SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
59
Pumps specially adapted for fuel-injection and not provided for in groups F02M39/-F02M57/126
44
Details, component parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02-F02M59/42165
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
M
SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
55
Fuel-injection apparatus characterised by their fuel conduits or their venting means
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
M
SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
63
Other 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
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04
POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
B
POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
39
Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/-F04B37/225
02
Lubrication
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04
POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
B
POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
53
Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/-F04B23/ or F04B39/-F04B47/203
18
Lubricating
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
M
SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
59
Pumps specially adapted for fuel-injection and not provided for in groups F02M39/-F02M57/126
02
of reciprocating-piston type
10
characterised by the piston drive
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04
POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
B
POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
1
Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
04
having cylinders in star- or fan-arrangement
Applicants: WÄRTSILÄ FINLAND OY[FI/FI]; Tarhaajantie 2 65380 Vaasa, FI
Inventors: VUOHIJOKI, Antti; FI
LAAKSO, Ossi; FI
Agent: GENIP OY; Heikinkatu 7 48100 Kotka, FI
Priority Data:
Title (EN) A FUEL PUMP FOR SUPPLYING FUEL TO AN INTERNAL COMBUSTION PISTON ENGINE
(FR) POMPE À CARBURANT DESTINÉE À ALIMENTER EN CARBURANT UN MOTEUR À PISTON À COMBUSTION INTERNE
Abstract:
(EN) Invention relates to a fuel pump (10) for supplying fuel to an internal combustion piston engine, comprising a body (18) and a cylindrical space (30) in the body having a central axis (32), a piston member (28) arranged to reciprocate in the cylindrical space (30), the piston member is provided with a sleeve member (46) having a closed end arranged to the second space section (30'') such that an annular space is provided between the sleeve member (46) and the piston member (28), where the pump comprises an annular gap circumscribing the piston member (28) at least partially, and where the sleeve member is arranged to ex-tend into the annular gap where a third space section (60) is arranged bordered by the sleeve member (46), and where a lubrication oil supply channel (62) and a lubrication oil discharge channel (64) are connected to the third space section (60).
(FR) L'invention concerne une pompe à carburant (10) pour alimenter en carburant un moteur à piston à combustion interne, comprenant un corps (18) et un espace cylindrique (30) dans le corps ayant un axe central (32), un élément de piston (28) agencé pour effectuer un mouvement de va-et-vient dans l'espace cylindrique (30), l'élément de piston étant pourvu d'un élément de manchon (46) ayant une extrémité fermée agencée sur la deuxième section d'espace (30'') de telle sorte qu'un espace annulaire est prévu entre l'élément de manchon (46) et l'élément de piston (28), la pompe comprenant un espace annulaire entourant l'élément de piston (28) au moins partiellement, et l'élément de manchon étant conçu pour s'étendre dans l'espace annulaire où est disposée une troisième section d'espace (60) bordée par l'élément de manchon (46), et où un canal d'alimentation en huile de lubrification (62) et un canal d'évacuation d'huile de lubrification (64) sont reliés à la troisième section d'espace (60).
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)