Annular combustion chamber for turbo shaft engine e.g. turbojet-prop engine of airplane, has spark plug equipped in one of two tubular guides, where two tubular guides are placed in chamber by utilizing opening

摘要

The chamber has a spark plug (11) provided in an external casing and extended in guiding units composed of a chimney (15) and tubular guides (20, 24), where the guiding units are assembled in an opening (13) of a revolution wall of the chamber. The tubular guides are crossed axially by the spark plug, and are assembled with an axial clearance (j2) and a transversal clearance on the chimney that is fixed on the revolution wall of the chamber. The tubular guides are placed in the chamber by utilizing the opening. The spark plug is equipped in one of the two tubular guides.