Global Patent Index - EP 1640604 A1

EP 1640604 A1 20060329 - Servo valve and injection valve

Title (en)

Servo valve and injection valve

Title (de)

Servoventil und Einspritzventil

Title (fr)

Servovalve et soupape d'injection

Publication

EP 1640604 A1 20060329 (DE)

Application

EP 05103812 A 20050509

Priority

DE 102004046191 A 20040923

Abstract (en)

The injection valve has an injector housing (1), a piezo-actuator (4), a leakage cavity (14), a valve plate (16), and an intermediate plate (18). It also has two valve bodies and a sealing shell the first valve body is arranged so that the fluid can flow to the first seat region through a recess in the second valve body. The second valve body is in a recess in the housing, and has a closing body which is sealed to the second seat region in the closed position of the second valve body.

IPC 8 full level

F02M 45/08 (2006.01); F02M 47/02 (2006.01); F02M 59/46 (2006.01); F02M 63/00 (2006.01)

CPC (source: EP)

F02M 45/086 (2013.01); F02M 47/027 (2013.01); F02M 63/0026 (2013.01); F02M 63/004 (2013.01); F02M 63/0042 (2013.01); F02M 63/0045 (2013.01); F02M 63/0061 (2013.01); F02M 2200/46 (2013.01)

Citation (applicant)

EP 0978649 A2 20000209 - SIEMENS AG [DE]

Citation (search report)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 1640604 A1 20060329; DE 102004046191 B3 20060413

DOCDB simple family (application)

EP 05103812 A 20050509; DE 102004046191 A 20040923