Fuel injection device

Claim 1

A DISTRIBUTOR ARRANGEMENT FOR A FUEL INJECTION PUMP HAVING A CASING, ESPECIALLY FOR MULTI-CYLINDER ENGINES, COMPRISING ROTATING CYLINDRICALLY-SHAPED DISTRIBUTOR MEANS PROVIDED WITH AN ANNULAR GROOVE ALONG THE OUTER SURFACE THEREOF, FUEL INPUT LINE MEANS INCLUDING A SUCTION LINE IN COMMUNICATION WITH SAID ANNULAR GROOVE AND CHECK VALVE MEANS IN SAID SUCTION LINE, AT LEAST ONE INJECTION NOZZLE, A CONNECTING CHANNEL FOR EACH INDIVIDUAL INJECTION NOZZLE, MEANS FORMING FUEL-CARRYING CHANNELS INCLUDING A NUMBER OF GROOVES EXTENDING LONGITUDINALLY OF SAID CYLINDRICALLY-SHAPED DISTRIBUTOR MEANS ON THE OUTER SURFACE THEREOF, SAID GROOVES EXTENDING IN THE LONGITUDINAL DIRECTION OF SAID DISTRIBUTOR MEANS FOR SEQUENTIALLY BRINGING INTO COMMUNICATION SAID ANNULAR GROOVE WITH THE INDIVIDUAL CONNECTING CHANNELS DURING THE ROTATION OF SAID DISTRIBUTOR MEANS, SAID DISTRIBUTOR MEANS BEING OF SLEEVE-LIKE CONSTRUCTION, A CONTROL MEMBER PROVIDED WITH CONTROL EDGE MEANS AND NON-ROTATABLY SUPPORTED WITHIN SAID SLEEVE-LIKE DISTRIBUTOR MEANS, SAID ANNULAR GROOVE BEING PROVIDED WITH RADIAL DISCHARGE BORES IN COMMUNICATION WITH SAID FIRST-MENTIONED FUEL-CARRYING GROOVES, LOW PRESSURE SPACE IN SAID FUEL INJECTION PUMP CASING, SAID CONTROL EDGE MEANS EFFECTIVELY AND SEQUENTIALLY OPENING SAID DISCHARGE BORES BY ESTABLISHING A COMMUNICATION BETWEEN RESPECTIVE DISCHARGE BORES AND SAID LOW PRESSURE SPACE DURING ROTATION OF SAID DISTRIBUTOR MEANS, AND PUMP MEANS ADJACENT TO AND IN COMMUNICATION WITH SAID ANNULAR GROOVES INCLUDING A PISTON-CYLINDER ASSEMBLY FOR DRAWING IN FUEL THROUGH SAID FUEL INPUT LINE MEANS AND SAID ANNULAR GROOVE AND FOR PLACING THE FUEL THEREIN UNDER PRESSURE WHEREBY SAID FUEL PASSES FROM SAID ASSEMBLY BACK THROUGH SAID ANNULAR GROOVE AND INTO SAID CONNECTING CHANNELS THROUGH THE LONGITUDINAL GROOVES, AND DRIVE MEANS FOR SAID PUMP MEANS AND SAID DISTRIBUTOR MEANS.