Invention Grant
- Patent Title: Low pressure ratio fan engine having a dimensional relationship between inlet and fan size
-
Application No.: US13721095Application Date: 2012-12-20
-
Publication No.: US09920653B2Publication Date: 2018-03-20
- Inventor: Wesley K. Lord , Robert E. Malecki , Yuan J. Qiu , Becky E. Rose , Jonathan Gilson
- 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: F01D25/24
- IPC: F01D25/24 ; F01D5/02 ; F01D17/10 ; F01D15/12 ; F02K3/06 ; F01D5/14 ; F02C7/04

Abstract:
According to an example embodiment, a gas turbine engine assembly includes, among other things, a fan that has a plurality of fan blades. A diameter of the fan has a dimension D that is based on a dimension of the fan blades. Each fan blade has a leading edge. An inlet portion is situated forward of the fan. A length of the inlet portion has a dimension L between a location of the leading edge of at least some of the fan blades and a forward edge on the inlet portion. A dimensional relationship of L/D is between about 0.2 and 0.45.
Public/Granted literature
- US20160061057A1 LOW PRESSURE RATIO FAN ENGINE HAVING A DIMENSIONAL RELATIONSHIP BETWEEN INLET AND FAN SIZE Public/Granted day:2016-03-03
Information query