Multi-stage-type compressor and gas turbine equipped therewith
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United States of America Patent
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Oct 16, 2018
Grant Date -
May 12, 2016
app pub date -
Feb 5, 2014
filing date -
Oct 17, 2013
priority date (Note) -
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Abstract
This compressor is provided with: a rotor casing that encircles a rotor, which rotates around a rotational axis; an air bleed chamber casing that is provided to the outer peripheral side of the rotor casing and demarcates an air bleed chamber interconnecting to a primary duct via a slot; and an air bleed tube that is connected to the air bleed chamber casing from the outer peripheral side and is provided with an air bleed pathway. In the slot, at which an opening to the primary duct is formed, a large opening, at which the opening area of the opening is locally larger than that of the other positions in the peripheral direction of the opening, is formed at a position in the peripheral direction corresponding to the position at which the air bleed tube is provided.
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