Storage apparatus
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United States of America Patent
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Jan 5, 2016
Grant Date -
Feb 14, 2013
app pub date -
Jan 20, 2010
filing date -
Jan 20, 2010
priority date (Note) -
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Abstract
Storage apparatus includes a supporting base (11) supporting silos (14) having a lower conical portion (15) and silo port (16) controlled by an outlet knifegate valve (17), and a charging port (20) controlled by an inlet knifegate valve (21). An upper portion (22) of the silo is closed by a domed top (18). The silo ports (16) are manifolded to a common outlet (not shown). A charge manifold (25) interconnects the respective upper charging ports (20) and connects the ports to the cuttings source conduit (26). A pressure/vacuum port (27) is connected via cycle control valve (30) to an ejector assembly (not shown) valved to be able to cycle between a vacuum phase and a pressure phase of about 16 psig using a compressed air source. Control means is selectively operable to control the outlet valve (17), inlet valve (21) and cycle control valve (30).
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