US 12,467,371 B2
Adhesive bond for fan blades
Xiaomei Fang, South Glastonbury, CT (US); John Harner, Florence, MA (US); David J. Mathiau, Jr., East Hartford, CT (US); William R. Graves, Amston, CT (US); and James O. Hansen, Hobe Sound, FL (US)
Assigned to RTX CORPORATION, Farmington, CT (US)
Filed by RTX Corporation, Farmington, CT (US)
Filed on Sep. 23, 2024, as Appl. No. 18/893,158.
Application 18/893,158 is a continuation of application No. 18/299,478, filed on Apr. 12, 2023, granted, now 12,098,653.
Prior Publication US 2025/0012196 A1, Jan. 9, 2025
This patent is subject to a terminal disclaimer.
Int. Cl. F01D 5/28 (2006.01); C09J 163/00 (2006.01); C09J 175/04 (2006.01)
CPC F01D 5/288 (2013.01) [C09J 163/00 (2013.01); C09J 175/04 (2013.01); F05B 2230/23 (2013.01); F05B 2230/90 (2013.01); F05B 2280/6011 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A blade for a turbine comprising:
a blade cover;
a blade body;
a layer of adhesive disposed between the blade cover and the blade body; where the layer of adhesive comprises a first adhesive region and a second adhesive region; where the first adhesive region comprises an adhesive that is chemically different from an adhesive used in the second adhesive region; wherein the first adhesive region contacts the second adhesive region along a bond-line, but where the first adhesive region does not contact the second adhesive region along an areal surface.