FUEL SPRAY NOZZLE
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专利名称：FUEL SPRAY NOZZLE 发明人：Stankowski, Tomasz
申请号：EP20192824.9
申请日：20200826
公开号：EP3798517B1
公开日：
20220413
专利内容由知识产权出版社提供
摘要：A fuel spray nozzle (40) for generating a spray of atomised liquid fuel in a combustor of a gas turbine engine (10). The nozzle (40) includes a flow circuit (50) that has in flow series: a gallery (52) that receives fuel flow, plural circumferentially-spaced restrictor passages (53) arranged in a row around the nozzle, plural conditioning passages (54) configured to impart a circumferential component to their respective portions of the fuel flow, and an annular spin chamber (55) which forms a swirling fuel flow which is discharged at an exit port (56). The restrictor passages (53) form flow restrictions which in use produce a pressure differential between the gallery (52) and the spin chamber (55) to evenly circumferentially distribute the fuel flow between the restrictor passages (53). The conditioning passages (54) have increased flow cross-sectional areas relative to the flow cross-sectional areas of the restrictor passages (53), such that the restrictor passages (53) produce substantially all of the pressure differential between the gallery (52) and the spin chamber (55).
申请人：Rolls-Royce plc
代理机构：Rolls-Royce plc
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