Volumetric machine with curved liners
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United States of America Patent
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Aug 18, 1998
Grant Date -
N/A
app pub date -
Jul 10, 1997
filing date -
Jan 19, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Apparatus is disclosed for articulating and correcting the trajectory of a piston in a volumetric machine with a plurality of pistons in a plurality of corresponding curved cylinders. The apparatus includes a piston seal ring positioned in a plane inclined to a plane of rotation of the pistons, with the inclined plane being different for each of the pistons and an intersection point of the axis of rotation of the pistons and an axis of rotation of the cylinders, a position compensation element permitting movement of the selected piston tangential to an instantaneous trajectory of that piston, and a piston support in radial contact with that piston to compensate centrifugal forces acting on that piston.
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