Axial flow apparatus with rotating helical chamber and spindle members
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United States of America Patent
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Nov 13, 1984
Issued Date -
N/A
app pub date -
Dec 29, 1983
filing date -
Dec 28, 1977
priority date (Note) -
Expired
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Abstract
A multi-purpose flow apparatus of the type which operates on the principle of volumetric displacement, has an internally helicoidal chamber rotatable about its center of gravity and having one of a constant or variable pitch and z.sub.k thread starts and an externally helicoidal spindle rotatable about an axis disposed at its center of gravity. The spindle has z.sub.o =z.sub.k +1 thread starts, the thread division thereof is z.sub.o /z.sub.k times the pitch of the chamber and the angular velocity of rotation of the spindle is z.sub.k /z.sub.o times that of the chamber.
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