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1. (WO2018166731) FEED SYSTEM FOR A FUEL INJECTION SYSTEM
Latest bibliographic data on file with the International Bureau    Submit observation

Pub. No.: WO/2018/166731 International Application No.: PCT/EP2018/053564
Publication Date: 20.09.2018 International Filing Date: 13.02.2018
IPC:
F02M 63/00 (2006.01) ,F02M 55/04 (2006.01) ,F02M 59/46 (2006.01) ,F04B 1/04 (2006.01) ,F04B 53/18 (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
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
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
04
Means for damping vibrations in injection-pump inlets
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
46
Valves
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
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
Applicants: ROBERT BOSCH GMBH[DE/DE]; Postfach 30 02 20 70442 Stuttgart, DE
Inventors: KOEHLER, Achim; DE
Priority Data:
10 2017 204 288.515.03.2017DE
Title (EN) FEED SYSTEM FOR A FUEL INJECTION SYSTEM
(FR) DISPOSITIF D'ALIMENTATION POUR SYSTÈME D'INJECTION DE CARBURANT
(DE) FÖRDEREINRICHTUNG FÜR EIN KRAFTSTOFFEINSPRITZSYSTEM
Abstract:
(EN) The invention relates to a feed system (1) for a fuel injection system, in particular for a common rail injection system, comprising a pre-feed pump (2) and a high-pressure pump (3), which are connected by means of an intake line (4), wherein the intake line (4) opens into a power unit chamber (5) of the high-pressure pump (3). According to the invention, the intake line (4) has a first pipe section (4.1) which is connected to the pre-feed pump (2) and is divided into a second pipe section (4.2) and a third pipe section (4.3), wherein the second pipe section (4.2) and the third pipe section (4.3) connect the power unit chamber (5) to an inlet valve (6) of the high-pressure pump (3).
(FR) L'invention concerne un dispositif d'alimentation (1) pour un système d'injection de carburant, en particulier pour un système d'injection à rampe commune. Le dispositif comprend une pompe de pré-alimentation (2) et une pompe haute pression (3), qui sont reliées par une conduite d'amenée (4), la conduite d'amenée (4) débouchant dans un espace moteur (5) de la pompe haute pression (3). Selon l'invention, la conduite d'amenée (4) présente une première partie (4.1) qui est raccordée à la pompe de pré-alimentation (2) et qui se divise en une deuxième partie (4.2) de conduite et en une troisième partie (4.3) de conduite, la deuxième partie (4.2) de conduite et la troisième partie (4.3) de conduite reliant l'espace moteur (5) à une soupape d'admission (6) de la pompe haute pression (3).
(DE) Die Erfindung betrifft eine Fördereinrichtung (1) für ein Kraftstoffeinspritzsystem, insbesondere für ein Common-Rail-Einspritzsystem, umfassend eine Vorförderpumpe (2) und eine Hochdruckpumpe (3), die über eine Zulaufleitung (4) verbunden sind, wobei die Zulaufleitung (4) in einen Triebwerksraum (5) der Hochdruckpumpe (3) mündet. Erfindungsgemäß weist die Zulaufleitung (4) einen an die Vorförderpumpe (2) angeschlossenen ersten Leitungsabschnitt (4.1) auf, der sich in einen zweiten Leitungsabschnitt (4.2) und einen dritten Leitungsabschnitt (4.3) aufteilt, wobei der zweite Leitungsabschnitt (4.2) und der dritte Leitungsabschnitt (4.3) den Triebwerksraum (5) mit einem Einlassventil (6) der Hochdruckpumpe (3) verbinden.
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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, JO, 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: German (DE)
Filing Language: German (DE)