发明名称 |
Electromagnetic fuel injector for internal combustion engines |
摘要 |
The injector (5) has a hollow body (6) having an injection nozzle (8) controlled by a control rod (12) movable axially by a metering valve (23) controlled by an armature (43) of an electromagnet (42). The metering valve (23) has a control chamber (28) having a pressurized-fuel inlet conduit (33) and a surplus fuel drain conduit (34). To reduce the length of the injector (5), the inlet conduit (33) is coaxial with the rod (12) and communicates with a coaxial cavity (19) fed with fuel from the top; the drain conduit (34) is radial with respect to the axis of the rod (12), and the armature (43) is also movable radially; the armature (43) and the electromagnet (42) are housed in an arm (21) which is also radial with respect to the axis of the rod (12); and the cavity (19) has a conical portion (91) in which a bulb-shaped portion (88) of a fitting (87) of a supply conduit (82) is fitted by means of a ring nut (93). <IMAGE> |
申请公布号 |
EP0907018(A3) |
申请公布日期 |
1999.12.15 |
申请号 |
EP19980118596 |
申请日期 |
1998.10.01 |
申请人 |
ELASIS SISTEMA RICERCA FIAT NEL MEZZOGIORNO SOCIETA CONSORTILE PER AZIONI |
发明人 |
RICCO, MARIO |
分类号 |
F02M47/00;F02M47/02;F02M51/06;F02M55/00;F02M59/46 |
主分类号 |
F02M47/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|