ROTARY VALVE FOR PARTICULATE MATERIALS

摘要

A rotary valve consisting generally of a housing having a cylindrical chambe r provided with radially disposed inlet and outlet passageways; a shaft journaled in th e housing extending through and disposed coaxially relative to such chamber; and a rotor mounted on said shaft within such chamber having a first set of circumferentially spaced material receivi ng pockets communicable with the inlet and outlet passageways for receiving material through the inlet passageway, conveying it through the chamber and discharging it through the outlet passageway, and a second set of circumferentially spaced material receiving pockets communicable with the outlet passageway for discharging material through the outlet passageway; a cylindrical wall of the chamber having a passageway having an inlet communicating with a leading sid e of the inlet passageway and an outlet communicating with the second set of pockets for guiding material received through the inlet passageway and not received within the first set of pockets, to the second set of pockets.