Global Patent Index - EP 2372139 A1

EP 2372139 A1 20111005 - Actuator Arrangement for use in a Fuel Injector

Title (en)

Actuator Arrangement for use in a Fuel Injector

Title (de)

Aktuatoranordnung zur Verwendung mit einem Kraftstoffinjektor

Title (fr)

Agencement d'actionneur à utiliser dans un injecteur de carburant

Publication

EP 2372139 A1 20111005 (EN)

Application

EP 10157760 A 20100325

Priority

EP 10157760 A 20100325

Abstract (en)

The present invention relates 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 sleeve which enshrouds at least part of the body section of the actuator; and at least one constrictive member, disposed externally with respect to the sleeve wherein the constrictive member applies a constrictive force to the sleeve to maintain a seal between the sleeve and the underlying body section of the actuator. The underlying body section comprises an alternation of smooth sections and rough sections; said rough sections comprising superficial markings.

IPC 8 full level

F02M 51/06 (2006.01); F02M 61/16 (2006.01); F02M 63/00 (2006.01)

CPC (source: EP)

F02M 51/0603 (2013.01); F02M 61/168 (2013.01); F02M 63/0026 (2013.01)

Citation (applicant)

Citation (search report)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

Designated extension state (EPC)

AL BA ME RS

DOCDB simple family (publication)

EP 2372139 A1 20111005; EP 2372139 B1 20121031

DOCDB simple family (application)

EP 10157760 A 20100325