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Method for guiding of a spark plug into a turbine engine combustion chamber

A turbine engine, combustion chamber technology, applied in the field of spark plugs, can solve problems such as wear and tear

Inactive Publication Date: 2015-04-01
SN DETUDE & DE CONSTR DE MOTEURS DAVIATION S N E C M A
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] This causes premature wear of the spark plug at the contact area between the guide and the spark plug

Method used

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  • Method for guiding of a spark plug into a turbine engine combustion chamber
  • Method for guiding of a spark plug into a turbine engine combustion chamber
  • Method for guiding of a spark plug into a turbine engine combustion chamber

Examples

Experimental program
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Embodiment Construction

[0039] in such as figure 1 and 2 In the prior art shown, the annular combustor of a turbine engine such as an aircraft turboprop or turbojet is mounted on an outer shell 2 and comprises: a housing 3 forming a body of rotation, the housing 3 having a a downstream annular flange fixed to the casing 2; an inner casing 4, which also forms a body of revolution, the inner casing 4 having a downstream annular flange for mounting on the inner casing; and a combustion chamber end wall 5, on which A fairing 6 extending upstream is installed.

[0040] Injection lines 7 distributed around the axis of the turbine engine lead via injection heads 8 to the combustion chamber end wall 5 . A deflector plate 9 is provided around each spray head 8 .

[0041] The airflow delivered by the compressor of the turbine engine is directed through the cowl 6 into an airflow divided into a central channel for feeding into the combustion chamber 1 and two outer channels extending around the combustion ch...

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PUM

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Abstract

A turbine engine combustion chamber including at least one ignition sparkplug carried by an outer casing and extending through a guide mechanism carried by a wall forming a body of revolution of the chamber. The guide mechanism includes a tubular guide having the sparkplug passing axially therethrough, which guide is mounted with axial and transverse clearance on a chimney fastened to the wall of the chamber and opening out therein. The guide includes an annular collar engaged with clearance in an internal annular groove of the chimney. The annular collar is urged to press against a wall of the groove by a resilient member mounted in the groove.

Description

technical field [0001] The invention relates primarily to a method of guiding a spark plug in an annular combustion chamber of a turbine engine, such as an aircraft turboprop or turbojet. Background technique [0002] An annular turbine engine combustor consists of an annular combustor end wall connected to two coaxial shrouds generally forming a body of revolution and extending downstream, and a cowling secured to the combustor end wall and upstream extend. [0003] The cowling directs and divides the air flow delivered by the compressor of the turbine engine into an air flow fed into a central channel of the combustion chamber and two outer channels extending around the combustion chamber. [0004] Air from the compressor is brought into the combustion chamber where it is mixed with fuel and combustion of the mixture is initiated by at least one spark plug mounted on the housing which passes through a hole in the housing. [0005] In order to seal the combustion chamber ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23R3/00F23R3/50F23R3/60F02C7/266
CPCF23R3/50F23D2207/00F23R3/002F02C7/266F23R3/60
Inventor 杰克斯·马赛尔·亚瑟·布纳尔马里奥·恺撒·德 索萨尼古拉斯·克里斯蒂安·雷蒙·勒布朗德纪尧姆·谢维丹尼斯·吉恩·莫里斯·桑德里斯克里斯托弗·皮亚瑟古斯
Owner SN DETUDE & DE CONSTR DE MOTEURS DAVIATION S N E C M A