High pressure turbine rear side plate

US10787921B2 · kind B2 · utility

Assignee

• RAYTHEON TECHNOLOGIES CORPORATION · US

Inventors

• Derek Brigham · Carlsbad, US
• Jeffrey Leon · Glastonbury, US
• David Dwyer Whittle · Sandwich, US
• Amarnath Ramlogan · Glastonbury, US
• Brian J. Burke · South Windsor, US
• Santiago Orellana · Vernon, US
• Tania Bhatia Kashyap · Town of West Hartford, US
• Dianbo Li · Shanghai, CN

Key dates

• Filing date: Sep 13, 2018
• Grant date: Sep 29, 2020
• Expiry date: Oct 25, 2039

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F05D2260/30
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A cover plate for a rotor assembly is disclosed. In various embodiments, the cover plate includes an annular member having a radially inner portion and a radially outer portion with respect to a longitudinal axis, the radially inner portion including an aft face and an angled forward face, the angled forward face defining a forward face angle with respect to a cylindrical plane that is coaxial with the longitudinal axis, the face angle having a value that is greater than or equal to fifty degrees; a first tab and a second tab disposed proximate the radially inner portion of the annular member; and a slot disposed between the first tab and the second tab.