Mechanical injection-pump governor with an electronically controlled torque control

Claim 1

A mechanical injection-pump governor with an electronically controlled torque control that operates on an adjustment member of an injection pump, comprising: a yielding full-load stop interacting with the adjustment member of the injection pump; a stepping motor having an actuator, said actuator being coupled to said yielding full-load stop, said stepping motor adjusting the yielding full-load stop via movement of said actuator along a full-load control path; a projection on said actuator; a first end stop positioned a short distance beyond a maximum of the full-load control path of the actuator in a first moving direction of the actuator; and a second end stop positioned a short distance beyond a minimum of the full-load control path of the actuator in a second moving direction of the actuator, the second moving direction being opposite the first moving direction; wherein at least one of said first and second end stops serves as a reference point for the movement of the actuator, said first and second end stops interacting with said projection to limit a torque-control range of the injection pump.