Cover plate for gas turbine rotor

Details Cover plate for gas turbine rotor Cover plate for gas turbine rotor

F - Mech Eng,Light,Heat,Weapons

01

D

F01D 5/32 (2006.01) F01D 5/30 (2006.01) F01D 11/00 (2006.01)

Patent

CA 2312951

A cover plate for a bladed rotor in a turbine section of a gas turbine engine which comprises an annular plate segment comprising a plurality of spaced-apart seats with each seat coincident with a rivet. The rivets are the rivets used for anchoring the root of the blade in the disc, and the seats and the covers have frusto-conical surfaces having an axis which is the axis of the rivet.

Cette invention concerne une plaque de couverture pour rotor à pales de turbine à gaz. Cette plaque comprend un segment annulaire présentant une pluralité de sièges équidistants coïncidant chacun avec l'emplacement d'un rivet. Ces rivets assurent la fixation des pieds de pale sur le disque. Les sièges et les plaques de couverture comportent des surfaces tronconiques dont l'axe coïncide avec celui du rivet.

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