| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a monolithic gas turbine fuel injection head for a gas turbine fuel injection nozzle and a method for producing the fuel injection head. <P>SOLUTION: The monolithic fuel injection head 14 for the fuel nozzle includes: a substantially hollow vesicle body 15 formed with an upstream end face 22, a downstream end face 24 and a peripheral wall 25 extending between the upstream end face 22 and the downstream end face 24; and an internal baffle plate 36 extending radially outwardly from the downstream end of a bore, terminating short of the peripheral wall 25 and defining upstream and downstream fuel plenums 44, 42 in the vesicle body 15, in fluid communication by way of a radial gap 46 between the baffle plate 36 and the peripheral wall 25. A plurality of integral pre-mix tubes 26 are extended axially through the upstream and downstream fuel plenums 44, 42 in the vesicle body 15 and through the baffle plate 36, and at least one fuel injection hole 40 is extended between each of the pre-mix tubes 26 and the upstream fuel plenum 44, thereby enabling the fuel in the upstream plenum 44 to be injected into the plurality of pre-mix tubes 26. <P>COPYRIGHT: (C)2011,JPO&INPIT |
