TURBINE BLADE FOR TURBODRILLS
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United States of America Patent
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Issued Date -
Mar 5, 2015
app pub date -
Aug 25, 2014
filing date -
Aug 27, 2013
priority date (Note) -
Abandoned
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Abstract
A turbodrill having a housing having a bore extending at least partially therethrough, a rotatable shaft disposed in the housing bore and rotatable relative to the housing, the housing, the housing bore and the rotatable shaft having a common longitudinal axis; and a plurality of turbine blades disposed at least partially within the housing bore, at least one turbine blade of the plurality of turbine blades including a first blade profile disposed at a first point along a blade span and a second blade profile disposed at a second point along the blade span, the second blade profile differing from the first blade profile.
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