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    • 2. 发明公开
    • ELECTROMAGNETIC FUEL INJECTOR WITH HYDRAULIC BRAKING DEVICE
    • ELEKTROMAGNETISCHER KRAFTSTOFFINJEKTOR MIT HYDRAULISCHER BREMSVORRICHTUNG
    • EP2975256A1
    • 2016-01-20
    • EP15176731.6
    • 2015-07-14
    • Magneti Marelli S.p.A.
    • PETRECCHIA, StefanoMATTIOLI, MassimoTRICARICO, Romito
    • F02M61/20F16K15/16F02M51/06F02M61/18
    • F02M51/0617F02M51/0671F02M61/188F02M61/205F02M2200/26F02M2200/304
    • A fuel injector (1) comprising: an injection nozzle (3); an injection valve (7) provided with a mobile plunger (17); an electromagnetic actuator (8) to move the plunger (17) between a closing position and an opening position of the injection valve (7); a hydraulic braking device (31), which is coupled to a supply hole (30) of a mobile armature (9) of the electromagnet (8), is provided with a valve element (32) which is coupled to the supply hole (30) of the mobile armature (9) and has an elastic blade (33) which is partially fixed to a surface (34) of the mobile armature (9), and is provided with a stop element (36), which is coupled to the elastic blade (33) and is arranged at a given distance from the elastic blade (33) to stop an opening movement of the elastic blade (33) itself in a fixed, predetermined position.
    • 一种燃料喷射器(1),包括:喷嘴(3); 设置有可移动柱塞(17)的注射阀(7); 在所述注射阀(7)的关闭位置和打开位置之间移动所述柱塞(17)的电磁致动器(8)。 联接到电磁体(8)的可移动电枢(9)的供应孔(30)的液压制动装置(31)设置有阀元件(32),该元件联接到供应孔(30) ),并且具有部分地固定到所述可移动电枢(9)的表面(34)的弹性叶片(33),并且设置有止动元件(36),所述止动元件(36)联接到所述移动电枢 弹性片(33),并且与所述弹性片(33)配置成规定的距离,以将所述弹性片(33)本身的打开动作停止在固定的规定位置。