| 摘要 |
An annular air filter is rotationally mounted within a plenum box, which in turn is securely mounted to the inlet end of a gas turbine engine. At least a portion of the annular air filter surrounds the inlet end of the engine. A motor is provided to rotationally drive the air filter relative to both the plenum box and the engine. An air pressure nozzle is disposed adjacent the inner circumferential surface of the air filter, and a vacuum nozzle is disposed adjacent the outer circumferential surface thereof. The air pressure and vacuum nozzles clean the air filter as the air filter is rotated relative thereto.
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