Patent ID: 8413451

Claim:
A combustor, comprising: a swirler vane of the combustor; a bleed hole located in the swirler vane; and a conduit leading a fluid to the bleed hole or away from the bleed hole, wherein a fluidically-controlled valve is located in the conduit, wherein the fluidically-controlled valve includes a main flow channel including a main flow entrance, a flow exit, and a constricted channel section located between the main flow entrance and the flow exit; and a control flow channel including a jet-forming control entrance, a first branch channel, a second branch channel, a common channel section, and a first convex channel wall, wherein the common channel section follows the control entrance, the first branch channel emerges from the common channel section and leads to the main flow entrance, the second branch channel emerges from the common channel section and leads to the constricted channel section, and wherein the first convex channel wall extends from the common channel section into the first branch channel.