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