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1. WO2011131566 - ACTUATOR ARRANGEMENT FOR USE IN A FUEL INJECTOR

Publication Number WO/2011/131566
Publication Date 27.10.2011
International Application No. PCT/EP2011/055940
International Filing Date 14.04.2011
IPC
F02M 51/06 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
51Fuel-injection apparatus characterised by being operated electrically
06Injectors peculiar thereto
F02M 63/00 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
H01L 41/053 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
41Piezo-electric devices in general; Electrostrictive devices in general; Magnetostrictive devices in general; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
02Details
04of piezo-electric or electrostrictive elements
053Mounts, supports, enclosures or casings
CPC
F02M 51/0603
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
51Fuel-injection apparatus characterised by being operated electrically
06Injectors peculiar thereto ; with means directly operating the valve needle
0603using piezo-electric or magnetostrictive operating means
F02M 63/0026
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 F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; ; Combination of fuel pump with other devices, e.g. lubricating oil pump
0012Valves
0014characterised by the valve actuating means
0015electrical, e.g. using solenoid
0026using piezoelectric or magnetostrictive actuators
H01L 41/053
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
41Piezo-electric devices in general; Electrostrictive devices in general; Magnetostrictive devices in general; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
02Details
04of piezo-electric or electrostrictive devices
053Mounts, supports, enclosures or casings
H01L 41/0533
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
41Piezo-electric devices in general; Electrostrictive devices in general; Magnetostrictive devices in general; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
02Details
04of piezo-electric or electrostrictive devices
053Mounts, supports, enclosures or casings
0533Further insulation means against electrical, physical or chemical damage, e.g. protective coatings
Applicants
  • DELPHI TECHNOLOGIES HOLDING S.À.R.L. [LU]/[LU] (AllExceptUS)
  • LEBLAY, Arnaud [FR]/[FR] (UsOnly)
  • AYE, Andreas [DE]/[DE] (UsOnly)
Inventors
  • LEBLAY, Arnaud
  • AYE, Andreas
Agents
  • GREGORY, John
Priority Data
10160355.319.04.2010EP
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) ACTUATOR ARRANGEMENT FOR USE IN A FUEL INJECTOR
(FR) AGENCEMENT D'ACTIONNEUR DESTINÉ À ÊTRE UTILISÉ DANS UN INJECTEUR DE CARBURANT
Abstract
(EN) The present invention relates to an actuator arrangement for use in a fuel injector, comprising: a piezoelectric actuator having a body section, said body section having a first end piece and a second end piece; a rigid encapsulation member which encloses the body section and the end pieces, wherein potting material is fitted between the rigid encapsulation member and the body section, wherein the first end piece is slideably fitted into the rigid encapsulation and the second end piece is fixed to or integrated into the encapsulation member.
(FR) La présente invention porte sur un arrangement d'actionneur destiné à être utilisé dans un injecteur de carburant, cet agencement comprenant : un actionneur piézoélectrique ayant une section corps, ladite section corps ayant une première pièce terminale et une seconde pièce terminale ; un élément d'enveloppement rigide qui renferme la section corps et les pièces terminales, une matière d'enrobage étant placée entre l'élément d'enveloppement rigide et la section corps, la première pièce terminale étant montée de manière coulissante dans l'enveloppement rigide et la seconde pièce terminale étant fixée ou intégrée à l'élément d'enveloppement.
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