LINE PROJECTION BLADE TURBINE STATOR-ROTOR ASSEMBLY AND TURBINE MOTOR
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United States of America Patent
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Oct 27, 2016
app pub date -
Jan 16, 2014
filing date -
Jan 16, 2014
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Abstract
A line projection blade turbine stator-rotor assembly and turbine motor, wherein the turbine stator-rotor assembly comprises a stator (1) and a rotor (2) that are coaxially nested; the stator (1) comprises a stator body (11), a stator blade (12) and a stator shroud (13), and the rotor (2) comprises a rotor body (21), a rotor blade (22) and a rotor shroud (23); an inner wall of the stator shroud (13) is coaxially nested with an outer wall of the rotor body (21); an intersection line of each point on an outer contour of the stator blade (12) with an isotimic meridian plane (4) corresponding thereto is a first intersection line (41) that perpendicularly intersects with a first projection straight line (51) extending through the stator shroud (13); an intersection line of each point on an outer contour of the rotor blade (22) with an isotimic meridian plane (4) corresponding thereto is a second intersection line (42) that perpendicularly intersects with a second projection straight line (52) extending through the rotor body (21). The turbine stator-rotor assembly has high hydraulic efficiency; the turbine motor has a simple structure, a high torque, and is suitable for drilling of a wellbore in various sizes.
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