Assembly
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United States of America Patent
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Oct 31, 2017
Issued Date -
N/A
app pub date -
May 11, 2015
filing date -
Jun 10, 2014
priority date (Note) -
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Abstract
A bladed rotor assembly includes a bladed rotor and a rotor housing. The bladed rotor has a plurality of blades arranged in a circumferential array around an axis of rotation, and the rotor housing encircles the bladed rotor and has a radially inwardly facing surface. Each of the blades comprises a first, radially extending, edge, a second opposite, radially extending, edge, and a radially distal edge. The radially distal edge has a first end, a second end, and a center portion, with the first end adjoining the first, radially extending, edge, and the second end adjoining the second, radially extending, edge. A clearance between the radially distal edge and the radially inwardly facing surface is a first clearance at the first end, and decreases to a second clearance across the center portion.
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