Invention Grant
- Patent Title: Geared turbofan engine gearbox arrangement
-
Application No.: US15358267Application Date: 2016-11-22
-
Publication No.: US10578018B2Publication Date: 2020-03-03
- Inventor: Frederick M. Schwarz , William G. Sheridan
- Applicant: United Technologies Corporation
- Applicant Address: US CT Farmington
- Assignee: UNITED TECHNOLOGIES CORPORATION
- Current Assignee: UNITED TECHNOLOGIES CORPORATION
- Current Assignee Address: US CT Farmington
- Agency: Carlson, Gaskey & Olds, P.C.
- Main IPC: F02K3/00
- IPC: F02K3/00 ; F02C7/06 ; F02K1/09 ; F02C7/36 ; F02C3/107 ; F02K3/04 ; F01D5/02 ; F01D9/06 ; F01D17/10 ; F02C3/06 ; F02C3/10 ; F04D29/32 ; F01D5/06 ; F02C3/04 ; F02C7/28 ; F02C9/18 ; F02K1/06 ; F02K3/06 ; F04D29/38 ; F16H1/28
Abstract:
A turbofan engine according to an exemplary aspect of the present disclosure includes, among other things, a fan having a plurality of blades, and a transmission is configured to drive the fan. The fan blades have a peak tip radius RT. The fan blades have an inboard leading edge radius RH at an inboard boundary of the flowpath. A ratio of RH to RT is less than about 0.40.
Public/Granted literature
- US20170074165A1 GEARED TURBOFAN ENGINE GEARBOX ARRANGEMENT Public/Granted day:2017-03-16
Information query
