About 160 results
https://drivepatents.com/patents/1089891 · 4 Feb 2004
The injector (1) has a cylindrical body (2), which houses an injection nozzle (4) regulated by an injection valve (5) provided with a moveable pin (8), a fuel supply channel (15), an injection chamber (6) communicating with the fuel supply channel (15) hou...
https://drivepatents.com/patents/1090238 · 21 Jan 2004
Reducing leakage within fuel injectors is one way in which the efficiency of the overall fuel injection system can be improved. In most fuel injectors that include a direct control needle valve, the needle valve member is still biased toward a closed posit...
https://drivepatents.com/patents/1090169 · 21 Jan 2004
The unit has an electromagnet, a movable armature and a closure element interacting with a valve seat for opening and closing a relief channel for a control chamber. The armature is accommodated in a threaded section of the valve body by a valve tightening...
https://drivepatents.com/patents/1093039 · 24 Sep 2003
Fuel injector for an internal combustion engine comprises a housing (4), a nozzle part held on the housing by a screw connection, and an insert arranged in an axial bore in the housing and having a control element. The insert is tensioned against the nozzl...
https://drivepatents.com/patents/1094037 · 13 Aug 2003
Valve for controlling a fuel injection unit for an I.C. engine comprises a valve part (72) which slides in the longitudinal direction (73) and protrudes into a valve pressure chamber (77) having a temporary high pressure. The valve part has a sealing surfa...
https://drivepatents.com/patents/1096302 · 2 May 2003
The magnetic valve controls the opening and closing of the valve needle of the fuel injector and has a valve ball cooperating with a valve seat (4), in fuel connection with the fuel injector via a bore (8) through which fuel flows at high pressure when the...
https://drivepatents.com/patents/1096299 · 2 May 2003
The magnetic valve has a magnetic component group (22) and an injector body (23) coupled together via a fixing ring (24) with 2 rolled edges (24a,24b) cooperating with corresponding grooves (23a) and/or projections (22b) provided by the injector body and t...
https://drivepatents.com/patents/1096558 · 23 Apr 2003
The device has a valve control module, a connected nozzle module with an axially movable nozzle needle, a choke plate with which the valve control module bounds on the nozzle module, a spring plate at the choke plate end of the needle, a closure spring bet...
https://drivepatents.com/patents/1096750 · 16 Apr 2003
A fuel injector (1) has a fuel inlet (5), and a metering valve (15) which is activated by an electromagnetic actuator (8) to open and close an injection nozzle; the metering valve (15) has a control chamber (16) communicating with the inlet (5) and defined...
Improvements to an internal combustion engine fuel injector having an electromagnetic metering valve
https://drivepatents.com/patents/1096749 · 16 Apr 2003
The injector (5) has a hollow body (8) housing the body (11) of the metering valve (6), which has a discharge hole (14) for discharging the usual control chamber (33). The hole (14) comes out at a flat surface of the valve body (11), and is engaged by a fl...