Rotary valve

Patent · Tue Sep 27 04:00:00 EDT 1988

OSTI ID:6588686

Rohfing, R G; Norwood, D D

This patent describes an apparatus suitable for use as a feeder for controlling the flow of material therethrough, comprising: a shaft having on one end thereof a coaxial truncated conical rotor having opposite ends and a frustoconical outer surface, and at least one cavity in the rotor intermediate its ends for receiving and delivering material fed thereto, the cavity having a maximum diametral dimension as its communication with the frustoconical outer surface of the rotor; a housing around the rotor and at least a portion of the shaft; a material inlet through the housing leading to a path described by the cavity when revolving with the rotor; a material outlet through the housing leading from the path and spaced circumferentially from the material inlet; inlet seal means carried by the housing between the material inlet and the rotor and having an inlet passage therein communicating between the material inlet and the path of the cavity when revolving for providing annular sealing engagement with the material inlet and sealing engagement along an annular slidable sealing surface with the rotor across the path of the cavity when revolving, the annular slidable sealing surface having a width across the path of the cavity when revolving greater than the maximum diametral dimension of the cavity at its communication with the frustoconcial outer surface of the rotor.

• Assignee: Phillips Petroleum Co., Bartlesville, OK
• Patent Number(s): US 4773626
• OSTI ID: 6588686
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020400* -- Petroleum-- Processing
CONTROL EQUIPMENT
DESIGN
EQUIPMENT
FLOW REGULATORS
FLUID FLOW
FUEL FEEDING SYSTEMS
FUEL SYSTEMS
INDUSTRIAL PLANTS
MATERIALS HANDLING
PETROLEUM REFINERIES
ROTORS
SEALS
VALVES