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1. 发明申请

US20120079827A1 AIR-COOLED SWIRLERHEAD 有权
标题翻译：空冷式SWIRLERHEAD
公开(公告)号：US20120079827A1
公开(公告)日：2012-04-05
申请号：US13323754
申请日：2011-12-12
申请人： Yimin HUANG , Shaun SULLIVAN , Brian FINSTAD , Alexander HAPLAU-COLAN
发明人： Yimin HUANG , Shaun SULLIVAN , Brian FINSTAD , Alexander HAPLAU-COLAN
IPC分类号： F23R3/14 , F02C7/12 , F02C7/22
CPC分类号： F23R3/14 , F23R3/283 , F23R3/286 , F23R3/46
摘要： A combustor for a gas turbine engine is disclosed which is able to operate with high combustion efficiency, and low nitrous oxide emissions during gas turbine operations. The combustor consists of a can-type configuration which combusts fuel premixed with air and delivers the hot gases to a turbine. Fuel is premixed with air through a swirler and is delivered to the combustor with a high degree of swirl motion about a central axis. This swirling mixture of reactants is conveyed downstream through a flow path that expands; the mixture reacts, and establishes an upstream central recirculation flow along the central axis. A cooling assembly is located on the swirler co-linear with the central axis in which cooler air is conveyed into the prechamber between the recirculation flow and the swirler surface.
摘要翻译：公开了一种用于燃气涡轮发动机的燃烧器，其能够在燃气轮机操作期间以高燃烧效率和低氧化亚氮排放进行操作。燃烧器由罐型构成，其燃烧与空气预混合的燃料并将热气体输送到涡轮机。燃料通过旋流器与空气预混合并且以围绕中心轴线的高度漩涡运动输送到燃烧器。反应物的这种旋转混合物通过膨胀的流动路径向下游传送; 混合物反应，并建立沿中心轴的上游中央再循环流。冷却组件位于与中心轴线共线的旋流器上，其中较冷的空气被输送到再循环流和旋流器表面之间的预燃室中。

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