A method of determining fuel leak of fuel injectors 2a, 2b of an injection system of a combustion engine, said method comprising determining a baseline pressure based on a predetermined integral response threshold and for each fuel injector 2a, 2b determin...

A fuel injection pump 100 includes a plunger 111, a plunger barrel 112 which supports the plunger 111, a body 13 which houses the plunger 111 and the plunger barrel 112, a plate 14 which covers an opening 13o formed on the body 13, a control lever 221 turn...

A control mechanism for a fuel injection pump comprises: an electronic governor which actuates a rack actuator by a controller for controlling a governing rack; and a cold start device which actuates an injection-quickening actuator by the controller for o...

A fuel injection pump 100 comprises a thermoelement CSD 47 for advancing injection timing in a cold temperature condition. The CSD 47 uses a piston 46 for opening and closing a sub port 42 formed in a plunger barrel 8. An electronic governor 2 is provided ...

A start assister (10) of a fuel injection pump, comprising a piston (46) inlayed into a housing (H), an upper chamber (49) formed over the piston (46), lower chamber (48) formed under the piston (46), wherein a sub port (42) is opened and closed by sliding...

In an engine (1) in which the fuel injection rate is controlled by a governor (11) having a construction in which the turning of a governor lever (31) connected to the control lever (16) of a fuel injection pump (12) is controlled within a fixed range by a...

A metering valve arrangement (46) comprises a metering valve member (48) which is angularly adjustable within a metering valve bore (49) provided in a metering valve housing (55) and an adjustment arrangement (110) for adjusting the axial position of the m...