EP 2064438 B1 20121031 - FUEL INJECTION VALVE
Title (en)
FUEL INJECTION VALVE
Title (de)
BRENNSTOFFEINSPRITZVENTIL
Title (fr)
SOUPAPE D'INJECTION DE COMBUSTIBLE
Publication
Application
Priority
- EP 2007058553 W 20070817
- DE 102006041475 A 20060905
Abstract (en)
[origin: WO2008028786A1] The fuel injection valve according to the invention is characterized in that a perforated plate (23) which has a plurality of ejection openings (25) is arranged downstream of a valve seat body (16) which has a fixed valve seat (29). Provided directly upstream of the ejection openings (25) is an inflow opening (28) as an approach flow cavity. The inflow opening (28) is designed such that an approach flow to the ejection openings (25) takes place substantially at a right angle with respect to the longitudinal extent of the ejection openings (25). The ejection openings (25) are arranged and aligned such that at least one fuel spray can be ejected in the form of a hollow cone lamella or solid cone lamella, in which a radially outer region (35) is composed of larger droplets than a radially inner region (36) of the spray, whereby the exhaust gas emission values, in particular during a cold start of an internal combustion engine, can be reduced. The fuel injection valve is particularly suitable for use in fuel injection systems of mixture-compression, spark-ignition internal combustion engines.
IPC 8 full level
F02M 51/06 (2006.01); F02M 61/16 (2006.01); F02M 61/18 (2006.01)
CPC (source: EP US)
F02M 61/184 (2013.01 - EP US); F02M 61/1853 (2013.01 - EP US); F02M 61/188 (2013.01 - EP US); F02M 51/061 (2013.01 - EP US); F02M 61/145 (2013.01 - EP US); F02M 69/042 (2013.01 - EP US)
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 LV MC MT NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
DE 102006041475 A1 20080306; EP 2064438 A1 20090603; EP 2064438 B1 20121031; JP 2010501784 A 20100121; JP 5222294 B2 20130626; US 2009321540 A1 20091231; WO 2008028786 A1 20080313
DOCDB simple family (application)
DE 102006041475 A 20060905; EP 07802673 A 20070817; EP 2007058553 W 20070817; JP 2009526042 A 20070817; US 30818507 A 20070817