Two-piece seat for contacting seal
Abstract:
A contacting seal for a gas turbine engine include a seal element rotationally fixed relative to an axis of rotation, and a seal seat configured to rotate circumferentially about an axis of rotation and contact the seal element at an interface surface of the seal seat. The seal seat includes an interface component including a seat wall including the interface surface and a seat cavity surface opposite the interface surface, such that a wall thickness of the interface component is defined therebetween. A cover component is secured to the interface component, the cover component including a cover cavity surface. The seat cavity surface and the cover cavity surface define a cooling cavity therebetween configured such that a flow of fluid therethrough cools the interface component via contact between the coolant and the seat cavity surface.
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