Invention Grant
- Patent Title: Ice crystal protection for a gas turbine engine
-
Application No.: US16437501Application Date: 2019-06-11
-
Publication No.: US11002149B2Publication Date: 2021-05-11
- Inventor: Ian J Bousfield , Duncan A MacDougall
- Applicant: ROLLS-ROYCE plc
- Applicant Address: GB London
- Assignee: ROLLS-ROYCE plc
- Current Assignee: ROLLS-ROYCE plc
- Current Assignee Address: GB London
- Agency: Oliff PLC
- Priority: GB1902549 20190226
- Main IPC: F01D25/02
- IPC: F01D25/02 ; F04D29/32 ; F01D5/14

Abstract:
A gas turbine engine includes a fan mounted to rotate about a main longitudinal axis; an engine core, including a compressor, a combustor, and turbine coupled to the compressor through a shaft; and reduction gearbox; wherein the compressor includes a plurality of stages, each stage including a respective rotor and stator, a first stage of the plurality of stages being arranged at an inlet and including a first rotor with a plurality of blades; each blade extending chordwise from a leading edge to a trailing edge, and from root to tip for a span height, wherein 0% of the span height corresponds to the root and 100% of span height corresponds to tip; wherein the ratio of a maximum leading edge radius of the first rotor blades to a minimum leading edge radius of the first rotor blades is included between 2.2 and 3.5.
Public/Granted literature
- US20200271012A1 ICE CRYSTAL PROTECTION FOR A GAS TURBINE ENGINE Public/Granted day:2020-08-27
Information query