Abstract: A valve arrangement includes a valve shaft having a fluid flow bore, and valve gear projections or teeth projecting from the valve shaft, constructed and arranged to receive a force to rotate the valve shaft. The valve arrangement can be used in a filter assembly having cartridge projections such as gear teeth to mesh with the teeth on the valve gear.

Abstract: The present invention comprises a method and apparatus for separating foreign objects from airflow channeled to an aircraft engine. An air intake including a foreign object separator is provided. The air intake includes an inlet duct having a bend for defining a pressure side, which inlet duct is effective for channeling airflow to the engine. A separator aperture is disposed in the pressure side of the inlet duct and a receptacle extends from the inlet duct and is in flow communication with the separator aperture. The receptacle includes a turning wall which is substantially arcuate in both a transverse plane and a longitudinal plane, and is substantially closed for preventing the flow of airflow therethrough while being effective for receiving and capturing foreign objects which enter the inlet duct and pass through the separator aperture.