Rotary feeder valve for pneumatic conveying system
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United States of America Patent
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N/A
Issued Date -
Dec 8, 2005
app pub date -
Jun 2, 2004
filing date -
Jun 2, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A rotary valve for metering bulk materials generally consisting of a housing defining a chamber having a material inlet, a material outlet and a fluid inlet connectable with a source of fluid under pressure, a chamber having a cylindrical wall, a portion of which is formed of a liner of permeable material, spaced from a portion of the housing to provide an annular chamber displaced radially relative to the axis of the cylindrical wall and having an inlet communicable with a source of fluid under pressure; and a rotor disposed in the chamber coaxially with the cylindrical wall thereof, having a shaft journaled in bearings supported on end walls of the housing and a set of vanes disposed radially relative to the axis of such cylindrical wall, defining a plurality of pockets each communicable successively with the material inlet and both of the material outlet and the first mentioned fluid inlet to cause material to be received through the material inlet and discharged through the material outlet as the rotor is rotated.
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