John R. Roy - Cohasset MA Stephen Roy - Cohasset MA Mary L. Roy - Cohasset MA Daniel T. Mooney - Winchester MA
Assignee:
Airtek Corporation - Quincy MA
International Classification:
F23L 1702
US Classification:
98 58
Abstract:
An air pollution control device for controlling the velocity of discharge from an industrial chimney or smokestack in order to optimize the plume rise and thereby minimize air pollution comprising a variable pitch truncated cone adapted to be mounted at or near the top of the chimney or stack, said cone being constructed to be expandable and contractible with respect to the axis of the chimney or associated flue or flues and kinematic means manually or automatically operable to control the size of the flow path of the gases through the truncated cone.
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investigation, and the matters have not been finalized," the GPO's current inspector general, Melinda Miguel, said in an email. Miguel confirmed that the document obtained by NPR is a copy of the original report that the agency's then-acting inspector general, Stephen Roy, prepared for members of Congress.