Fuel injection apparatus for internal combustion engines

Claim 1

INJECTION APPARATUS FOR USE WITH AN INTERNAL COMBUSTION ENGINE HAVING A PLURALITY OF CYLINDERS, SAID APPARATUS COMPRISING: A PLURALITY OF STORAGE CHAMBER MEANS; A PLURALTIY OF HYDRAULICALLY RESPONSIVE CONTROL MEANS, EACH OF SAID CONTROL MEANS COUPLING ONE OF SAID STORAGE CHAMBER MEANS WITH ONE OF SAID CYLINDERS, EACH OF SAID CONTROL MEANS BEING OPERATIVE TO ESTABLISH AND DISTABLISH COMMUNICATION BETWEEN THE STORAGE CHAMBER MEANS AND THE CYLINDER COUPLED TOGETHER THEREBY; HYDRAULIC CIRCUIT MEANS COUPLED WITH EACH OF SAID CONTROL MEANS FOR RESPECTIVELY APPLYING FLUID UNDER PRESSURE THERETO TO DISESTABLISH COMMUNICATION BETWEEN THE STORAGE CHAMBER MEANS AND THE CYLINDER COUPLED TOGETHER THEREBY DURING AT LEAST A PART OF THE NON-INJECTION PHASE THEREOF AND FOR DIMINISHING THE PRESSURE APPLIED TO THE RESPECTIVE CONTROL MEANS DURING THE INJECTION PHASE OF THE CYLINDER COUPLED THEREWITH; EACH OF SAID STORAGE CHAMBER MEANS INCLUDING A COMMON HOUSING HAVING A MAIN CHAMBER AND A BRANCH CHAMBER COMMUNICATING THEREWITH; SAID CONTROL MEANS BEING MOVABLY MOUNTED ONLY IN SAID MAIN CHAMBERS; A PISTON MOVABLE IN SAID BRANCH CHAMBER TO VARY THE CAPACITY THEREOF; AND BIASING MEANS FOR NORMALLY URGING SAID PISTON IN A DIRECTION MINIMIZING THE CAPACITY OF SAID BRANCH CHAMBER.