FUEL SUPPLY DEVICE FOR GAS FUEL ENGINE

摘要

PROBLEM TO BE SOLVED: To provide a fuel supply device for a gas fuel engine which realizes lean combustion by supplying fuel gas into a cylinder in layers. SOLUTION: A fuel nozzle hole having an injector 3 injecting gas fuel and being supplied with gas fuel from the injector is opened in the vicinity of the upstream side of an intake valve 15. A fuel path 28 leading from the injector 3 to the fuel nozzle hole is formed with a pipe member whose upstream side end is connected with the injector and downstream side end faces in a intake passage wall. The fuel nozzle hole at the down-stream edge of the fuel path 28 is opened near the upstream side of the intake valve 15 in a intake passage 5. COPYRIGHT: (C)2003,JPO