EP 1434942 B1 20080227 - FUEL INJECTION VALVE
Title (en)
FUEL INJECTION VALVE
Title (de)
BRENNSTOFFEINSPRITZVENTIL
Title (fr)
SOUPAPE D'INJECTION DE CARBURANT
Publication
Application
Priority
- DE 0203091 W 20020823
- DE 10148824 A 20011004
Abstract (en)
[origin: US2004075000A1] A fuel injector (1) includes a magnetic coil (10), which cooperates with an armature (20) which, together with a valve needle (3) acted upon by a restoring spring (23), forms an axially movable valve part. A valve-closure member (4) which forms a sealing seat together with a valve-seat member (5), is provided at the valve needle (3). Furthermore, the fuel injector (1) includes an inner pole (13) and an outer pole (9) which form a magnetic circuit together with the magnetic coil (10), and a central fuel supply (16). A sleeve (21) is situated in the central fuel supply (16) of the fuel injector (1) in such a way that a flow route of the fuel through the fuel injector (1) is formed such with respect to length and diameter that the frequency of natural oscillations which are excited by the fuel flowing through the fuel injector (1), is adjusted to the closing intervals of the fuel injector (1).
IPC 8 full level
F02M 51/08 (2006.01); F02M 69/46 (2006.01); F02M 51/06 (2006.01); F02M 63/00 (2006.01)
CPC (source: EP US)
F02M 51/0671 (2013.01 - EP US); F02M 69/465 (2013.01 - EP US); F02M 2200/31 (2013.01 - EP US)
Citation (examination)
- DE 19919665 A1 20001102 - VOLKSWAGEN AG [DE]
- EP 0251152 A1 19880107 - MAX PLANCK GESELLSCHAFT [DE]
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
DOCDB simple family (publication)
US 2004075000 A1 20040422; US 6935582 B2 20050830; AT E387579 T1 20080315; DE 10148824 A1 20030410; DE 50211796 D1 20080410; EP 1434942 A1 20040707; EP 1434942 B1 20080227; JP 2005504925 A 20050217; JP 4129232 B2 20080806; WO 03031808 A1 20030417
DOCDB simple family (application)
US 43372703 A 20031105; AT 02764554 T 20020823; DE 0203091 W 20020823; DE 10148824 A 20011004; DE 50211796 T 20020823; EP 02764554 A 20020823; JP 2003534759 A 20020823