Rotary positive displacement machine
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United States of America Patent
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Sep 6, 2016
Grant Date -
Aug 15, 2013
app pub date -
Aug 19, 2011
filing date -
Oct 22, 2010
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Abstract
Rotary displacement machines are known for their uses as compressors, expansion engines and the like. Many comprise two or more rotors mounted for simultaneous rotation within a casing, with intermeshing or interengagement of lobes and pits as surface features of the rotors, thereby to handle a working fluid. Disclosed herein are rotary displacement machines with improved structures and rotor configurations.
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