United Technologies Corporation

Raytheon Technologies Corporation

Richard B Bergethon

James Olaf Hansen

Lee Drozdenko

Steven Clarkson

Scot Adams Webb

Brandon A Gates

Jesse C Meyer

Maria C Kirejczyk

Michael A Morden

Scot A Webb

Lee M Drozdenko

A blade comprises an airfoil extending from a trailing edge to a leading edge. The airfoil includes a body formed of an aluminum containing material. A sheath is at the leading edge and is formed of a titanium containing material. A sandwich is positioned intermediate the sheath and the airfoil body, the sandwich including an outer adhesive layer adjacent the sheath, an intermediate fabric layer and an inner adhesive layer adjacent the body. A gas turbine engine is also disclosed.

Fan blade with adhesive fabric stackup

An airfoil member () comprising has a substrate () along at least a portion of an airfoil () of the airfoil member. A sheath () has a channel () receiving a portion () of the substrate. A scrim () is between the substrate and the sheath. A spacer () is between the sheath and the substrate and has a plurality of spaced-apart portions () with gaps between the spaced-apart portions.

Fan blades and manufacture methods

Growing community of inventors

Holt, MI, United States of America

Richard B Bergethon