Self-aligning rotary pistone machine
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United States of America Patent
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Jul 19, 2011
Grant Date -
Oct 16, 2008
app pub date -
Sep 11, 2006
filing date -
Sep 12, 2005
priority date (Note) -
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Abstract
A rotary piston machine has a cylinder provided with two ends to form a stator with inlet and outlet apertures, and a piston having a rotor eccentrically mounted within the stator. A vane is connected to the rotor by a hinge and forms an expanding and contracting chamber as the piston rotates. The piston is provided with a sealing means sufficient to restrict movement of gaseous/fluid matter between chambers during operation. The sealing means includes a flexible seal member with a mating lip positioned adjacent to the vane hinge. Each revolution of the eccentrically mounted piston causes the seal member to contact an inner cylinder wall to prevent the escape of displaced gaseous/fluid matter past the vane hinge. The flexible seal member contacts the cylinder wall and bends to form a lip seal resistive to the direction of pressurization.
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