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US 8,998,579 B2Granted
Blade retention disk
AssigneeSnecma
InventorsOlivier Belmonte, Lionel René Henri Weller, Yann Frédéric Vincent Harnay
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AssigneeSnecma
InventorsOlivier Belmonte, Lionel René Henri Weller, Yann Frédéric Vincent Harnay
Estimating the term…
A blade retention disk includes, on its external surface, a peripheral annular groove configured to receive a plurality of blade roots of the hammer attachment type, the peripheral annular groove including a loading orifice intended for the introduction of blade roots inside the peripheral annular groove. The retention disk also includes: a crown covering the peripheral annular groove; a crown centering device to center the crown, the crown centering device and the crown forming an air supply enclosure from the bottom of the peripheral annular groove; at least one orifice opening in the air supply enclosure, the orifice being configured to introduce cooling air into the air supply enclosure. The blade retention disk finds a direct application in the field of low pressure turbines for aircraft turbine engines.
A blade retention disk comprising, on its external surface, a peripheral annular groove configured to receive a plurality of blade roots of the hammer attachment type, said peripheral annular groove comprising a loading orifice configured for the introduction of blade roots inside said peripheral annular groove, said retention disk comprising:
A blade retention disk comprising, on its external surface, a peripheral annular groove configured to receive a plurality of blade roots of the hammer attachment type, said peripheral annular groove comprising a loading orifice configured for the introduction of blade roots inside said peripheral annular groove, said retention disk comprising:
A method for assembling a blade retention disk, said method comprising:
Dependencies are inferred from the claim text.