US 11,680,489 B2
Method for manufacturing a composite guide vane having a metallic leading edge
Barry Barnett, Unionville (CA)
Assigned to PRATT & WHITNEY CANADA CORP., Longueuil (CA)
Filed by PRATT & WHITNEY CANADA CORP., Longueuil (CA)
Filed on May 6, 2022, as Appl. No. 17/738,553.
Application 17/738,553 is a continuation of application No. 17/074,414, filed on Oct. 19, 2020, granted, now 11,352,891.
Prior Publication US 2022/0259979 A1, Aug. 18, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. F01D 5/28 (2006.01)
CPC F01D 5/288 (2013.01) [F01D 5/282 (2013.01); F05D 2240/121 (2013.01); F05D 2300/603 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A method of manufacturing a composite guide vane of a gas turbine engine, the method comprising:
receiving a body made of a fiber-reinforced composite material, the body including a body mid portion for interacting with a fluid and a body end portion;
applying a metallic sheath on part of the body, the metallic sheath including:
a sheath mid portion applied to the body mid portion to define a leading edge of the guide vane; and
a sheath end portion applied to the body end portion;
forming a hole in the body end portion;
overmolding a head or a foot of the guide vane onto the body end portion and onto the sheath end portion; and
receiving overmolding material into the hole during the overmolding.