Patent ID: 6079976
Filing Date: 2000-06-27
Classification: F23D

Abstract:
A structure constructed and arranged to supply fuel and pilot air comprising:a gun head constructed and arranged to supply fuel and pilot air, said gun head including a pilot air passage, a pilot fuel passage and a main fuel passage formed therein, said pilot air passage, said pilot fuel passage and said main fuel passage being isolated from each other by respective seals; anda first assembly provided in said pilot air passage a second assembly provided in said pilot fuel passage, and a third assembly provided in said main fuel assembly, said first passage including one or more of a flow amount detecting orifice, a flow amount adjusting needle valve or a pressure detecting plug, said second assembly including one or more of a flow amount detecting orifice, a flow amount adjusting needle valve or a pressure detecting plug, and said third assembly including one or more of a flow amount detecting orifice, a flow amount adjusting needle valve or a pressure detecting plug, each of said first assembly, said second assembly and said third assembly being mounted to said gun head so as to be handled together with said gun head.