EP 3118443 A1 20170118 - SERVO ACTUATOR FOR FUEL INJECTOR
Title (en)
SERVO ACTUATOR FOR FUEL INJECTOR
Title (de)
SERVOANTRIEB FÜR KRAFTSTOFFINJEKTOR
Title (fr)
ACTIONNEUR D'ASSERVISSEMENT POUR INJECTEUR DE CARBURANT
Publication
Application
Priority
GB 201512350 A 20150715
Abstract (en)
An actuator assembly (12) of a fuel injector (10) has a body (14) provided with an internal cavity (22) wherein an inner shoulder face (44) is arranged between a large bore (24) and a thinner conduit (30). A servo actuator member (32) is arranged in the cavity (22) and it has an outer shoulder face (38) provided between a large actuation portion (34) and a thinner head portion (36). The actuator assembly (12) is further provided with an integral hydraulic lash adjuster (HLA) comprising a first chamber (56) defined between the outer shoulder face (38) and the inner shoulder face (44) and, an annular first clearance (C1) arranged around the actuator member (32) filled with high viscosity fluid (F).
IPC 8 full level
F02M 51/06 (2006.01); F02M 61/08 (2006.01); F02M 61/16 (2006.01)
CPC (source: EP)
F02M 51/0603 (2013.01); F02M 61/08 (2013.01); F02M 61/167 (2013.01)
Citation (search report)
- [XY] DE 102005045893 A1 20070405 - SIEMENS AG [DE]
- [Y] EP 1813802 A1 20070801 - DELPHI TECH INC [US]
- [Y] EP 1591656 A2 20051102 - ISUZU MOTORS LTD [JP]
- [XY] WO 03089781 A1 20031030 - SIEMENS AG [DE], et al
- [Y] DE 10039543 A1 20020228 - DAIMLER CHRYSLER AG [DE]
- [X] WO 2005026532 A1 20050324 - SIEMENS AG [DE], et al
- [AD] DE 102010029106 A1 20111124 - BOSCH GMBH ROBERT [DE]
- [AD] DE 102009000203 A1 20100715 - BOSCH GMBH ROBERT [DE]
- [AD] WO 2013053594 A1 20130418 - BOSCH GMBH ROBERT [DE], et al
- [AD] EP 1519037 A1 20050330 - BOSCH GMBH ROBERT [DE]
- [AD] DE 102009026532 A1 20101202 - BOSCH GMBH ROBERT [DE]
Designated contracting state (EPC)
AL 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 RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DOCDB simple family (application)
EP 16178237 A 20160706; GB 201512350 A 20150715