Method and apparatus for metering of loose objects, such as granular objects, powders, or capsules
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United States of America Patent
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Feb 21, 2017
Grant Date -
Sep 18, 2014
app pub date -
Mar 10, 2014
filing date -
Mar 15, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A volumetric metering device includes a hopper adapted to hold a supply of granular material, the hopper having an outlet; a rotating wheel located in communication with the outlet, the rotating wheel having an outer periphery and a plurality of metering cavities distributed around the outer periphery, each metering cavity having an open bottom portion; and a plurality of metering valves located around the outer periphery of the rotating wheel with each metering valve located in registry with one of the metering cavities. Each metering valve is movable between a loading position wherein the metering valve blocks the open bottom portion of the metering cavity, and an unloading position wherein the granular material dispenses from the metering cavity through the metering valve. Other features and related methods are also described.
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