2 FUEL OR LUBRICATION PUMP FOR A LARGE TWO-STROKE COMPRESSION-IGNITED INTERNAL COMBUSTION ENGINE

摘要

The present invention relates to a pump for supplying fuel or lubricant to a large two stroke compressed ignition internal combustion engine. The pump 40 includes two or more pump parts 41, 42 and 43. Each pump portion (41, 42, 43) includes a pump piston (62) slidably disposed in the pump cylinder (61) and a hydraulically driven drive piston (46) slidably disposed in the drive cylinder (45). , For driving the pump piston 62, a driving piston 46 is coupled to the pump piston 62.