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1. WO2016023665 - HIGH-PRESSURE FUEL PUMP AND PRESSURE CONTROL DEVICE

Publication Number WO/2016/023665
Publication Date 18.02.2016
International Application No. PCT/EP2015/064309
International Filing Date 24.06.2015
IPC
F02M 59/10 2006.01
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
59Pumps specially adapted for fuel-injection and not provided for in groups F02M39/-F02M57/126
02of reciprocating-piston type
10characterised by the piston drive
CPC
F01L 3/20
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
3Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
20Shapes or constructions of valve members, not provided for in preceding subgroups of this group
F02M 2200/02
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
2200Details of fuel-injection apparatus, not otherwise provided for
02Fuel-injection apparatus having means for reducing wear
F02M 2200/03
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
2200Details of fuel-injection apparatus, not otherwise provided for
03Fuel-injection apparatus having means for reducing or avoiding stress, e.g. the stress caused by mechanical force, by fluid pressure or by temperature variations
F02M 59/102
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
59Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00 ; , e.g. rotary cylinder-block type of pumps
02of reciprocating-piston ; or reciprocating-cylinder; type
10characterised by the piston-drive
102Mechanical drive, e.g. tappets or cams
F04B 1/0408
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
1Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
04having cylinders in star- or fan-arrangement
0404Details or component parts
0408Pistons
F04B 1/0426
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
1Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
04having cylinders in star- or fan-arrangement
0404Details or component parts
0426Arrangements for pressing the pistons against the actuated cam; Arrangements for connecting the pistons to the actuated cam
Applicants
  • CONTINENTAL AUTOMOTIVE GMBH [DE]/[DE]
Inventors
  • BERNHARDT, Jörg
Priority Data
10 2014 216 173.814.08.2014DE
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) KRAFTSTOFFHOCHDRUCKPUMPE UND DRUCKBEEINFLUSSUNGSEINRICHTUNG
(EN) HIGH-PRESSURE FUEL PUMP AND PRESSURE CONTROL DEVICE
(FR) POMPE À CARBURANT HAUTE PRESSION ET DISPOSITIF AGISSANT SUR LA PRESSION
Abstract
(DE)
Die Erfindung betrifft eine Kraftstoffhochdruckpumpe (16) zum Beaufschlagen eines Kraftstoffes mit Druck, wobei ein zwischen einem ersten, oberen Totpunkt (60) und einem zweiten, unteren Totpunkt (62) entlang einer Kolbenachse (24) beweglich angeordneter Kolben (20) sowie ein Stößel (10) mit einer im Wesentlichen senkrecht zu einer Stößelachse (40) angeordneten Traverse (36) zum Übertragen von kinetischer Energie von einem Stößelantrieb (66) auf den Kolben (20) in einem Kontaktbereich (68) von einer Traversenoberfläche (70) und einem Endbereich (42) des Kolbens (20) vorgesehen sind. In dem Kontaktbereich (68) weist der Kolben (20) einen kalottenförmigen Endbereich (74) und die Traverse (36) eine kalottenförmige Ausbuchtung (72) auf.
(EN)
The invention relates to a high-pressure fuel pump (16) for applying a fuel with pressure, wherein a piston (20) and a plunger (10) are provided, said piston being arranged such that it can move between a first top dead centre position (60) and a second bottom dead centre position (62) along a piston axis (24), and said plunger having a crosspiece (36), arranged substantially perpendicular to a plunger axis (40), for transmitting kinetic energy from a plunger drive (66) to the piston (20) in a contact region (68) of a crosspiece surface (70) and an end region (42) of the piston (20). In the contact region (68), the piston (20) has a dome-shaped end region (74) and the crosspiece (36) has a dome-shaped recess (72)
(FR)
L'invention concerne une pompe à carburant haute pression (16) servant à appliquer une pression à un carburant. Un piston (20) agencé de manière mobile le long d'un axe de piston (24) entre un premier point mort haut (60) et un second point mort bas (62), ainsi qu'un poussoir (10) muni d'une traverse (36) agencée sensiblement parallèlement à un axe de poussoir (40) pour transférer l'énergie cinétique d'un entraînement (66) du poussoir sur le piston (20), sont agencés dans une zone de contact (68) entre une surface (70) de la traverse et une zone d'extrémité (42) du piston (20). Dans la zone de contact (68), le piston (20) présente une zone d'extrémité (74) en forme de calotte, et la traverse (36) présente un creux (72) en forme de calotte.
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