Axial Turbomachine Compressor Drum with Dual Means of Blade Fixing
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United States of America Patent
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Issued Date -
Dec 25, 2014
app pub date -
Jun 25, 2014
filing date -
Jun 25, 2013
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status (Latency Note)
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Abstract
The present application relates to a rotor drum of a low-pressure compressor of an axial turbomachine. The drum includes a wall generally symmetrical in revolution about an axis and following a generally curved profile. The wall is configured to support a plurality of blade rows. A first blade row is formed by an annular platform integrally formed with the wall at the peak of its profile in relation to the axis; and a second blade row directly downstream of the first; and a third blade row directly upstream of the first; are formed by one or more blade-retaining grooves formed on the wall. The first blade row and the drum form an integral assembly, eliminating certain vibrations. Anchoring the blades is hybrid or mixed. The rotor may be mounted in a housing with ring-shaped stators.
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