Patent ID: 8011382

Claim:
A bi-modal bleed valve assembly operable in a servo-controlled mode and in an autonomous mode, the bi-modal bleed valve assembly comprising: a housing assembly having a bleed inlet, a bleed outlet, a control servo port, and a control chamber therein; a main flow control valve fluidly coupled to the control chamber and configured to move between an open position and a closed position to regulate fluid flow from the bleed inlet to the bleed outlet, the main flow control valve configured to move from an open position to a closed position when the pressure within the control chamber surpasses a predetermined pressure threshold; and a switching valve fluidly coupled between the bleed inlet, the servo control port, and the control chamber, the switching valve configured to route fluid flow into the control chamber from: (i) the bleed inlet in the autonomous mode, and (ii) the servo control port in the servo-controlled mode.