Global Patent Index - EP 1740822 B1

EP 1740822 B1 20090311 - COMMON RAIL INJECTOR

Title (en)

COMMON RAIL INJECTOR

Title (de)

COMMON-RAIL-INJEKTOR

Title (fr)

INJECTEUR COMMON RAIL

Publication

EP 1740822 B1 20090311 (DE)

Application

EP 05716731 A 20050218

Priority

  • EP 2005050714 W 20050218
  • DE 102004018927 A 20040420

Abstract (en)

[origin: WO2005103480A1] The invention relates to a common rail injector, having an injector body (1), provided with a fuel inlet (50), communicating with a central high-pressure fuel source, outside the injector body and with a pressure chamber (17), inside said injector body, from which, depending on the pressure in the control chamber (21), high-pressure fuel is injected into a combustion chamber of an internal combustion engine, when an injector needle (8) lifts from its seat (11), whereby the pressure in the control chamber (21) is directly controlled by an actuator (58), in particular, a piezoelectric actuator. In order to reduce the installation space, another control chamber (22) is connected in series with the first control chamber (21).

IPC 8 full level

F02M 47/06 (2006.01); F02M 47/02 (2006.01); F02M 51/06 (2006.01); F02M 63/00 (2006.01)

CPC (source: EP US)

F02M 47/027 (2013.01 - EP US); F02M 47/06 (2013.01 - EP US); F02M 51/0603 (2013.01 - EP US)

Designated contracting state (EPC)

DE ES FR GB

DOCDB simple family (publication)

WO 2005103480 A1 20051103; CN 1942666 A 20070404; DE 102004018927 A1 20051117; DE 502005006813 D1 20090423; EP 1740822 A1 20070110; EP 1740822 B1 20090311; ES 2321737 T3 20090610; JP 2006524298 A 20061026; US 2006283983 A1 20061221

DOCDB simple family (application)

EP 2005050714 W 20050218; CN 200580011832 A 20050218; DE 102004018927 A 20040420; DE 502005006813 T 20050218; EP 05716731 A 20050218; ES 05716731 T 20050218; JP 2006500137 A 20050218; US 55568905 A 20051104