MOTOR/PUMP WITH SPIRAL WOUND STATOR TUBE
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United States of America Patent
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Issued Date -
Mar 10, 2011
app pub date -
Aug 26, 2010
filing date -
Sep 4, 2009
priority date (Note) -
Abandoned
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Abstract
A pump/motor includes a stator (10) having an interior profile surface and a rotor having an exterior profile surface. The stator tube is formed from the sheet metal spiral round to generate an interior profile, with an adjacent edge of the spiral wound sheet being secured together. Substantially uniform thickness elastomeric layer (20) form down interior surface of the stator tube. A rotor (30) is rotatable within the stator tube and the elastomeric layer of an operation of pump/motor.
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