VALVE FOR GAS TURBINE ENGINE

摘要

A gas turbine engine is disclosed having an air injection system useful to supply a relatively pressurized air to a flow path of a compressor. The air injection system includes a port cover operable to open and close a port through which the air can flow to the compressor from a relatively pressurized source. The port cover extends circumferentially around the gas turbine engine and can include a portion that is anchored and an opposite portion coupled to an actuator. Movement of the actuator causes the port cover to open and close the port. Biasing members can be used to urge the port cover into one of an open and closed position against the movement of the actuator.

主权项

1. An apparatus comprising:
a gas turbine engine having a compressor that includes a row of rotatable blades for compressing a working fluid between a first flow surface and a second flow surface of the compressor; a flow path operable to deliver an injection fluid radially inward to the compressor through an air flow port of the first flow surface; and an air injection system for the compressor including a valve band extending across the air flow port and moveable in a circumferential direction relative to the gas turbine engine to selectively permit the injection fluid to flow into the compressor.