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公开(公告)号：US10563586B2
公开(公告)日：2020-02-18
申请号：US15026082
申请日：2014-09-24
Applicant: Snecma
Inventor： Christophe Chabaille , Sébastien Loval
Abstract: A fuel injector (10) such as an injector for an annular combustion chamber of a turbine engine, comprising a downstream head (16) having a central outlet (22) and an annular peripheral outlet (24) surrounding the central outlet (22), and an injector arm (12) upstream of the head (16) comprising coaxial central channel (18) and annular channel (20), characterised in that the central channel (18) is in fluid communication with the peripheral outlet (24) and the annular channel (20) is in fluid communication with the central outlet (22).
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公开(公告)号：US20160237911A1
公开(公告)日：2016-08-18
申请号：US15026082
申请日：2014-09-24
Applicant: SNECMA
Inventor： Christophe Chabaille , Sébastien Loval
IPC: F02C7/22
CPC classification number: F02C7/22 , F05D2220/32 , F23D11/38 , F23R3/343
Abstract: A fuel injector (10) such as an injector for an annular combustion chamber of a turbine engine, comprising a downstream head (16) having a central outlet (22) and an annular peripheral outlet (24) surrounding the central outlet (22), and an injector arm (12) upstream of the head (16) comprising coaxial central channel (18) and annular channel (20), characterised in that the central channel (18) is in fluid communication with the peripheral outlet (24) and the annular channel (20) is in fluid communication with the central outlet (22).
Abstract translation: 一种燃料喷射器（10），例如用于涡轮发动机的环形燃烧室的喷射器，包括具有中心出口（22）和围绕中心出口（22）的环形周边出口（24）的下游头部（16） 和位于所述头部（16）上游的注射器臂（12），包括同轴中心通道（18）和环形通道（20），其特征在于，所述中心通道（18）与所述外围出口（24）流体连通， 环形通道（20）与中心出口（22）流体连通。
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3.发明授权公开(公告)号：US10041411B2
公开(公告)日：2018-08-07
申请号：US14772924
申请日：2014-03-05
Applicant: SNECMA
Inventor： Christophe Chabaille , Sebastien Loval
Abstract: A fuel dosing device for a fuel injector of an aircraft turbomachine, including an opening, a movable member for sealing the opening, and elastic return, with the member able to be displaced under the effect of the fuel pressure. The device includes a first outlet communicating with a primary circuit of the injector as well as a second outlet communicating with a secondary circuit. In addition, it is designed such that up to a defined level of displacement of the sealing member, the latter allows the fuel coming from the opening to reach the first outlet and, only beyond the defined level of displacement, the member allows the fuel coming from the opening to reach the second outlet.
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公开(公告)号：US09857080B2
公开(公告)日：2018-01-02
申请号：US14506914
申请日：2014-10-06
Applicant: SNECMA
Inventor： Christophe Chabaille , Sebastien Christophe Loval
Abstract: A fuel injector for a turbine engine is provided. The fuel injector includes a body including an admissions chamber for admitting fuel under pressure, a stop valve mounted in the body downstream from the admission chamber and designed to open at a first determined fuel pressure and to remain open beyond that first pressure in order to feed a primary fuel circuit, and a metering valve mounted in the body downstream from the stop valve and designed to open above a second determined fuel pressure, greater than the first pressure, and to remain open above the second pressure in order to feed a secondary fuel circuit. The stop valve and the metering valve form a common movable assembly.
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