公开(公告)号：US09915207B2

公开(公告)日：2018-03-13

申请号：US14386656

申请日：2013-03-22

Applicant: SNECMA

Inventor： Christian Schaeffer ,  David Gino Stifanic ,  Bertrand Boedot

IPC: F02C7/266 ,  F02P15/00 ,  F02P15/02 ,  F02P3/08 ,  F02P5/15

CPC classification number: F02C7/266 ,  F02P3/0807 ,  F02P5/1512 ,  F02P15/003 ,  F02P15/02

Abstract: An ignition unit for a turbojet engine, including: an electrical power supply, a single control channel to receive a control signal from a computer, a main sparkplug ignition channel to energize at least one main sparkplug of a main combustion chamber, and an afterburner sparkplug ignition channel to energize at least one afterburner sparkplug of an afterburner chamber. The ignition unit is configured, in response to pulsed controls on the single control channel, to selectively activate the main sparkplug ignition channel or the afterburner sparkplug ignition channel.

公开(公告)号：US09982603B2

公开(公告)日：2018-05-29

申请号：US15106162

申请日：2014-11-26

Applicant: Snecma

Inventor： Pierre-François Simon Paul Pireyre ,  Francois Leglaye ,  David Gino Stifanic

IPC: F02C7/266 ,  H01T13/08 ,  F23R3/60 ,  F02C3/14 ,  F23R3/00 ,  F23R3/10 ,  F23R3/28

CPC classification number: F02C7/266 ,  F02C3/14 ,  F05D2220/32 ,  F05D2240/35 ,  F23D2207/00 ,  F23D2209/00 ,  F23D2211/00 ,  F23R3/002 ,  F23R3/10 ,  F23R3/28 ,  F23R3/60 ,  F23R2900/00005 ,  F23R2900/00012 ,  H01T13/08

Abstract: Assembly comprising, on a turbomachine:—a combustion chamber (30) having a longitudinal axis (30a) and comprising: internal and external longitudinal walls (90) having a first opening (90a) substantially transverse to said axis (30a), an outer casing (110) having a second opening (110a) likewise substantially transverse to said axis (30a),—a turbomachine sparkplug (150),—a device (130) for radially securing the sparkplug (150), which device (130) comprises a sparkplug adapter (160) fixed toward a first end to the outer casing (110), facing the second opening (110a) and through which adapter and casing the sparkplug (150) in question passes, and a sparkplug guide (190) kept in contact with the external longitudinal wall (90), facing the first opening (90a) and through which the sparkplug (150) passes to emerge in the combustion chamber (30), the sparkplug (150) and the sparkplug guide (190) each having a screw thread (103, 105), the screw threads (103, 105) being screwed together so as to stabilize the sparkplug (150) radially to the axis (30a) of the combustion chamber (30) with respect to said external longitudinal wall (90), and—in this condition, the sparkplug (150) and the sparkplug guide (190) are mounted freely with respect to the outer casing (110) in a direction substantially radial to the axis of the second opening (110a).

公开(公告)号：US20160369701A1

公开(公告)日：2016-12-22

申请号：US15106162

申请日：2014-11-26

Applicant: Snecma

Inventor： Pierre-Francois Simon Paul Pireyre ,  Francois Leglaye ,  David Gino Stifanic

IPC: F02C7/266 ,  H01T13/08 ,  F02C3/14 ,  F23R3/00 ,  F23R3/28 ,  F23R3/10

CPC classification number: F02C7/266 ,  F02C3/14 ,  F05D2220/32 ,  F05D2240/35 ,  F23D2207/00 ,  F23D2209/00 ,  F23D2211/00 ,  F23R3/002 ,  F23R3/10 ,  F23R3/28 ,  F23R3/60 ,  F23R2900/00005 ,  F23R2900/00012 ,  H01T13/08

Abstract: Assembly comprising, on a turbomachine:—a combustion chamber (30) having a longitudinal axis (30a) and comprising: internal and external longitudinal walls (90) having a first opening (90a) substantially transverse to said axis (30a), an outer casing (110) having a second opening (110a) likewise substantially transverse to said axis (30a),—a turbomachine sparkplug (150),—a device (130) for radially securing the sparkplug (150), which device (130) comprises a sparkplug adapter (160) fixed toward a first end to the outer casing (110), facing the second opening (110a) and through which adapter and casing the sparkplug (150) in question passes, and a sparkplug guide (190) kept in contact with the external longitudinal wall (90), facing the first opening (90a) and through which the sparkplug (150) passes to emerge in the combustion chamber (30), the sparkplug (150) and the sparkplug guide (190) each having a screw thread (103, 105), the screw threads (103, 105) being screwed together so as to stabilize the sparkplug (150) radially to the axis (30a) of the combustion chamber (30) with respect to said external longitudinal wall (90), and—in this condition, the sparkplug (150) and the sparkplug guide (190) are mounted freely with respect to the outer casing (110) in a direction substantially radial to the axis of the second opening (110a).

Abstract translation: 在涡轮机上包括： - 具有纵向轴线（30a）的燃烧室（30），并且包括：具有基本上横向于所述轴线（30a）的第一开口（90a）的内部和外部纵向壁（90） 壳体（110）具有同样基本上横向于所述轴线（30a）的第二开口（110a）， - 涡轮机火花塞（150）， - 用于径向固定所述火花塞（150）的装置（130），所述装置 面向第二开口（110a）的朝向第一端固定到外壳（110）的火花塞适配器（160）以及通过其中的火花塞（150）的适配器和壳体通过的火花塞引导件（190）保持在 与外部纵向壁（90）接触，面向第一开口（90a）并且火花塞（150）通过其在燃烧室（30）中出现，火花塞（150）和火花塞引导件（190）各自具有 一个螺纹（103,105），螺纹（103,105）被拧在一起 以便相对于所述外部纵向壁（90）将所述火花塞（150）径向地稳定到所述燃烧室（30）的轴线（30a），并且在该状态下，所述火花塞（150）和所述火花塞引导件 190）相对于外壳（110）沿与第二开口（110a）的轴线基本上径向的方向自由地安装。

公开(公告)号：US09413141B2

公开(公告)日：2016-08-09

申请号：US13861825

申请日：2013-04-12

Applicant: SNECMA

Inventor： Francois Leglaye ,  Jean-Francois Cabre ,  David Gino Stifanic

IPC: F02C7/266 ,  H01T13/16 ,  H01T13/20

CPC classification number: H01T13/16 ,  F02C7/266 ,  H01T13/20

Abstract: A spark plug for combustion chamber of a gas turbine engine including: an external body forming ground electrode, intended to be received mainly in a bypass of the combustion chamber; an internal central electrode; and an interposed insulator with clearance between the external body and the internal electrode, is provided. The spark plug terminates in a nose forming portion to be received in the flame tube of the chamber of the combustion chamber, and a semi-conductor element being interposed between the central electrode and the ground electrode at the level of said nose forming portion. The external body includes at least one cooling air inlet which communicates inside the spark plug with at least one outlet arranged at the level of the nose forming portion.

Abstract translation: 一种燃气涡轮发动机的燃烧室用火花塞，其特征在于，具有主要形成在所述燃烧室的旁路中的接地电极的外部主体， 内部中心电极; 并且提供了在外部主体和内部电极之间具有间隙的插入绝缘体。 火花塞终止在鼻部形成部分中，以容纳在燃烧室的腔室的火焰管中，并且在所述鼻部形成部分的水平处插入在中心电极和接地电极之间的半导体元件。 外部主体包括至少一个在火花塞内部连通的冷却空气入口和布置在鼻部形成部分的高度处的至少一个出口。

公开(公告)号：US20150033699A1

公开(公告)日：2015-02-05

申请号：US14386656

申请日：2013-03-22

Applicant: SNECMA

Inventor： Christian Schaeffer ,  David Gino Stifanic ,  Bertrand Boedot

IPC: F02C7/266

CPC classification number: F02C7/266 ,  F02P3/0807 ,  F02P5/1512 ,  F02P15/003 ,  F02P15/02

Abstract: An ignition unit for a turbojet engine, including: an electrical power supply, a single control channel to receive a control signal from a computer, a main sparkplug ignition channel to energize at least one main sparkplug of a main combustion chamber, and an afterburner sparkplug ignition channel to energize at least one afterburner sparkplug of an afterburner chamber. The ignition unit is configured, in response to pulsed controls on the single control channel, to selectively activate the main sparkplug ignition channel or the afterburner sparkplug ignition channel.

Abstract translation: 一种用于涡轮喷气发动机的点火单元，包括：电源，用于从计算机接收控制信号的单个控制通道，用于激励主燃烧室的至少一个主火花塞的主火花塞点火通道，以及加力燃烧器火花塞 点火通道以激励后燃室的至少一个后燃烧器火花塞。 点火单元被配置为响应于单个控制通道上的脉冲控制，以选择性地激活主火花塞点火通道或加力燃烧器火花塞点火通道。