FUEL INJECTION VALVE

The fuel injection valve (1) has a piezoelectric, electrostrictive or magnetostrictive actuator (3), cooperating with a valve needle (6), acted on by a resetting spring (9), for operation of a valve closure (7) and a hydraulic coupler (4) having a piston (25) provided with an internal hollow space (...

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Bibliographic Details
Main Authors GERSCHWITZ, THOMAS, YILDIRIM, FEVZI, NOLLER, KLAUS
Format Patent
LanguageEnglish
French
German
Published 15.08.2007
Subjects
BLASTING
COMBUSTION ENGINES
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
LIGHTING
MECHANICAL ENGINEERING
SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF
WEAPONS
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Summary:The fuel injection valve (1) has a piezoelectric, electrostrictive or magnetostrictive actuator (3), cooperating with a valve needle (6), acted on by a resetting spring (9), for operation of a valve closure (7) and a hydraulic coupler (4) having a piston (25) provided with an internal hollow space (40) communicating with the coupling space (27) provided between the piston and a reception opening (24), for acting as a pressure equalization chamber.
Bibliography:Application Number: EP20040705047