Device for controlling at least one directing device, controlling the passage of combustion air, of a burner for gas turbine engine mechanisms.

摘要

P An annular body (3) disposed at the head end (1) of a combustion chamber has guide channels (5) whose cross-sections can be controlled by channel walls (6). a ring (7) movable axially on the annular body (3). The axial displacement of the ring (7) is effected by a control piston (8), which can move axially in a housing (10) and which is spring loaded on one side and which is further actuated by a valve-controlled, spring-side pressure differential between ambient pressure (P3) and primary air pressure (P4), which controls ports (12, 13) communicating with the valve (14) and end end (1) of the combustion chamber, and which receives, on the free piston surfaces opposite the housing (10), on one side the pressure (P1) prevailing at the head space (1). ) from the supplied primary air and, on the other side, the chamber pressure (P2) at the burner. / P