Fuel injector arrangement

摘要

A fuel injector arrangement comprising a nozzle (10) provided with a first bore (11) within which a valve needle (12) is slidable, the needle (12) being engageable with a seating to control the flow of fuel from a delivery chamber (13) to an outlet opening (14). The arrangement includes a surface associated with the needle (12) which is exposed to the fuel pressure within a control chamber (23), and a fuel pressure actuable control valve (26) controlling the supply of fuel to the delivery chamber (13). <IMAGE>