Invention Grant
- Patent Title: Planetary gear system arrangement with auxiliary oil system
-
Application No.: US16006327Application Date: 2018-06-12
-
Publication No.: US11885252B2Publication Date: 2024-01-30
- Inventor: William G. Sheridan , Michael E. McCune , Lawrence E. Portlock
- Applicant: RTX CORPORATION
- Applicant Address: US CT Farmington
- Assignee: RTX Corporation
- Current Assignee: RTX Corporation
- Current Assignee Address: US CT Farmington
- Agency: Carlson, Gaskey & Olds, P.C.
- The original application number of the division: US14474869 2014.09.02
- Main IPC: F01D25/16
- IPC: F01D25/16 ; F01N3/20 ; F01D25/18 ; F02C3/10 ; F02K3/06 ; F02C7/36 ; F02C7/06 ; F02C7/10 ; F01N11/00 ; F16N7/34

Abstract:
In an embodiment of the present disclosure, a gas turbine engine includes a fan, a first compressor stage and a second compressor stage, a first turbine stage and a second turbine stage, and wherein said first turbine stage drives said second compressor stage as a high spool, and wherein said second turbine stage drives said first compressor stage as part of a low spool, and a gear train driving said fan with said low spool, and such that said fan and said first compressor stage rotate in the same direction, and wherein said high spool operates at higher pressures than said low spool.
Public/Granted literature
- US20210180492A9 PLANETARY GEAR SYSTEM ARRANGEMENT WITH AUXILIARY OIL SYSTEM Public/Granted day:2021-06-17
Information query