Description
Class F02D : CONTROLLING COMBUSTION ENGINES
Subclass 1/12: Controlling fuel-injection pumps, e.g. of high-pressure injection type (F02D 3/00 takes precedence) not restricted to adjustment of injection timing, e.g. varying amount of fuel delivered Transmission of control impulse to pump control, e.g. with power drive or power assistance non-mechanical, e.g. hydraulic