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CN106471313A 用于低排放燃气涡轮燃烧器的空气燃料预混合器 失效 - 权利终止

  • Patent Title: 用于低排放燃气涡轮燃烧器的空气燃料预混合器
  • Patent Title (English): Air fuel premixer for low emissions gas turbine combustor
  • Application No.: CN201580022638.8
    Application Date: 2015-03-18
  • Publication No.: CN106471313A
    Publication Date: 2017-03-01
  • Inventor: S.李 , N.D.乔世 , K.R.麦克芒努斯
  • Applicant: 通用电气公司
  • Applicant Address: 美国纽约州
  • Assignee: 通用电气公司
  • Current Assignee: 通用电气公司
  • Current Assignee Address: 美国纽约州
  • Agency: 中国专利代理(香港)有限公司
  • Agent 朱铁宏; 谭祐祥
  • Priority: 14/243951 2014.04.03 US
  • International Application: PCT/US2015/021130 2015.03.18
  • International Announcement: WO2015/153115 EN 2015.10.08
  • Date entered country: 2016-11-03
  • Main IPC: F23R3/14
  • IPC: F23R3/14 ;  F23R3/28
用于低排放燃气涡轮燃烧器的空气燃料预混合器
Abstract:
一种用于燃料和空气在燃气涡轮发动机中燃烧之前预混合的系统，包括：混合管道；沿着混合管道的中心轴线定位的中心体燃料喷射器；定位成邻近混合管道的上游端以使穿过其流动的空气沿第一旋流方向旋流的外部环形旋流器；以及定位成邻近混合管道上游端以使穿过其流动的空气沿第二旋流方向旋流的内部环形旋流器。该系统包括毂，该毂将所述内部和外部环形旋流器隔离以允许穿过其的空气流独立地旋转；以及多个中空路径，该中空路径定位成围绕中心体燃料喷射器在径向外部并且位于内部环形旋流器的径向内侧面处以容许扫掠空气流越过中心体燃料喷射器的表面。
Abstract(English):

A system for premixing fuel and air prior to combustion in a gas turbine engine includes a mixing duct, a centerbody fuel injector located along a central axis of the mixing duct, an outer annular swirler located adjacent an upstream end of the mixing duct for swirling air flowing therethrough in a first swirl direction and an inner annular swirler located adjacent of the mixing duct upstream end for swirling air flowing therethrough in a second swirl direction. The system includes a hub separating said inner and outer annular swirlers to permit independent rotation of an air stream therethrough and multiple hollow paths located radially outward around the centerbody fuel injector and at a radially inward side of the inner annular swirler for allowing a flow of sweeping air over the surface of the centerbody fuel injector.

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