For the controlling of a variable stroke of gas exchange valve 10 for the purpose of achieving an extremely short opening duration of {TAIL ~ the gas exchange valve} in partial load and low load operation of {HEAD ~ the internal combustion engine}, there is connected to pump outlet 38 an additional relief opening that can be optionally closed by an electrically controllable closing valve 40 
For the controlling of a variable stroke of gas exchange valve 10 for the purpose of achieving an extremely short opening duration of { TAIL ~ the gas exchange valve } in partial load and low load operation of { HEAD ~ the internal combustion engine } , there is connected to pump outlet 38 an additional relief opening that can be optionally closed by an electrically controllable closing valve 40
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH