In this embodiment of the invention, the stepped motion of the fuel distribution shaft 15 is obtained by {HEAD ~ means} of {TAIL ~ a drive coupling} having torsional springs 
of
In this embodiment of the invention , the stepped motion of the fuel distribution shaft 15 is obtained by { HEAD ~ means } of { TAIL ~ a drive coupling } having torsional springs
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH