Patent ID: 6874478
Filing Date: 2005-04-05
Classification: F02M

Abstract:
1. A fuel supply unit for an engine including at least one cylinder, the fuel supply unit comprising: a fuel injector for injecting fuel into the cylinder, the fuel injector including a fuel inlet port and a lockable injector portion; a fuel distribution pipe for distributing fuel to the injector, the fuel distribution pipe including a fuel outlet port communicated with the fuel inlet port of the injector so that the fuel is supplied from the fuel distribution pipe to the fuel injector through the fuel outlet port and the fuel inlet port; and a detachment preventing means for preventing the fuel injector from detaching from the fuel distribution pipe, the detachment preventing means including a single injector locking portion, which continuously extends along a part of a circumferential length of the fuel injector and is engaged with the lockable injector portion of the fuel injector, and two distribution pipe locking portions, each of which extends from a respective side portion of the injector locking portion toward the fuel outlet port and is engaged with a circumference of the fuel outlet port, so that the fuel inlet port will not be detached from the fuel outlet port when the fuel injector is shifted in a detaching direction thereof.