Air guide for a gas turbine engine

US12044172B2 · kind B2 · utility

Assignee

• General Electric Company · US

Inventors

• Vaishnav Raghuvaran · Bengaluru, IN
• Sesha Subramanian · Bengaluru, IN
• Hari Krishna Meka · Savanuru, IN
• Vishnu Vardhan Venkata Tatiparthi · Bengaluru, IN
• Raghuveer Chinta · Bengaluru, IN
• Daniel P. O'Brien · Cambridge, US
• Sai Raju Ippili · Bengaluru, IN
• Michael Thomas Hogan · Garland, US

Key dates

• Filing date: Dec 30, 2022
• Grant date: Jul 23, 2024
• Expiry date: Dec 30, 2042

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F05D2260/201
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A gas turbine engine that defines a radial direction and axial direction. The gas turbine engine includes a compressor section that includes a high pressure compressor. The high pressure compressor includes an aft-most compressor stage. The aft-most compressor stage includes a rotor, a low pressure shaft, a high pressure shaft drivingly coupled to the high pressure compressor. The high pressure shaft includes a central spool member and a forward spool member. The forward spool member extending between the central spool member and the aft-most compressor stage. The aft-most compressor stage further includes an air guide coupled to the aft-most compressor stage and the high pressure shaft. The air guide and a radially inward side of the forward spool member together defines an air flow passage for providing a cooling air flow.