Fuel injection pumps for internal combustion engines

Claim 1

A FUEL INJECTION SYSTEM WHICH COMPRISES, IN COMBINATION, A CLOSED CASING INCLUDING TWO PORTIONS, A FIRST ONE AND A SECOND ONE, A FIXED BODY IN THE FIRST PORTION OF SAID CASING, A DRIVING SHAFT JOURNALLED IN SAID BODY ABOUT AN AXIS FIXED WITH RESPECT THERETO, ONE OF THE TWO LAST MENTIONED PARTS BEING PROVIDED WITH AT LEAST ONE CYLINDRICAL HOUSING TRANSVERSE TO SAID AXIS, A PISTON SLIDABLE IN SAID HOUSING SO AS TO FORM THEREWITH A PUMPING CHAMBER, A CAM CARRIED BY THE OTHER OF SAID TWO PARTS, SAID CAM BEING OPERATIVELY CONNECTED WITH SAID PISTON FOR INPARTING A RECIPROCATING MOVEMENT THERETO IN SAID CYLINDRICAL HOUSING IN RESPONSE TO ROTATION OF SAID SHAFT IN SAID CASING SO AS TO PRODUCE A GIVEN NUMBER OF PUMPING RECIPROCATIONS OF SAID PISTON DURING EVERY REVOLUTION OF SAID SHAFT, SAID BODY BEING PROVIDED WITH A CYLINDRICAL BORE COAXIAL WITH SAID SHAFT, A ROTATING DISTRIBUTING VALVE FITTING SLIDABLY IN SAID BORE, SAID DISTRIBUTING VALVE BEING OPERATIVELY CONNECTED WITH SAID SHAFT SO AS TO BE DRIVEN BY IT, A FUEL FEED CONDUIT, A PLURALITY OF FUEL INJECTION CONNECTIONS, THE NUMBER OF SAID CONNECTIONS BEING EQUAL TO SAID GIVEN NUMBER,