公开(公告)号：US20230272720A1

公开(公告)日：2023-08-31

申请号：US17682674

申请日：2022-02-28

Applicant: Raytheon Technologies Corporation

Inventor： Robin H. Fernandez ,  John D. Riehl ,  Aaron Tomich ,  Steven R. Clarke

IPC: F01D5/28 ,  F01D5/14

CPC classification number: F01D5/282 ,  F01D5/147 ,  F05D2300/6033 ,  F05D2230/50 ,  C23C16/045

Abstract: Disclosed herein is a ceramic matrix composite airfoil comprising a triple bifurcated ply that defines a suction side, an outer platform, a pressure side and an inner platform of the airfoil, wherein the triple bifurcated ply comprises at least one ply that comprises a consolidated region, wherein the consolidated region is split into two bifurcated regions in three locations in three different directions.

公开(公告)号：US20230192562A1

公开(公告)日：2023-06-22

申请号：US18083983

申请日：2022-12-19

Applicant: Raytheon Technologies Corporation

Inventor： Kathryn S. Read ,  Bryan H. Farrar ,  Andrew J. Lazur ,  Steven R. Clarke ,  Aaron Tomich

IPC: C04B35/80 ,  D03D15/283 ,  D03D15/242

CPC classification number: C04B35/80 ,  D03D15/283 ,  D03D15/242 ,  C04B2235/5216 ,  C04B2235/616 ,  C04B2235/5212 ,  D10B2321/06 ,  D10B2321/08 ,  D10B2505/02

Abstract: Disclosed herein is a composite ply comprising fill and warp tows; or optional axial and bias tows; wherein one or more of the fill tows and/or the warp tows or wherein one or more of the optional axial and/or bias tows comprise a polymer yarn while the remaining portion of the fill tows and/or the warp tows or the remaining portion of the bias and/or optional axial tows comprise the polymer yarn; and wherein the polymer yarn is melted to bond to the fill or warp tows to prevent removal from the ply.

公开(公告)号：US20240199499A1

公开(公告)日：2024-06-20

申请号：US18083985

申请日：2022-12-19

Applicant: Raytheon Technologies Corporation

Inventor： Kathryn S. Read ,  Zachary P. Konopaske ,  Steven R. Clarke ,  Aaron Tomich

IPC: C04B35/80 ,  C04B35/628 ,  C04B38/04 ,  C04B38/06

CPC classification number: C04B35/80 ,  C04B35/62863 ,  C04B38/04 ,  C04B38/061 ,  C04B38/067 ,  C04B2235/3826 ,  C04B2235/5244 ,  C04B2235/5256

Abstract: Disclosed herein is a composite tow comprising a plurality of ceramic filaments; one or more sacrificial yarn filaments; where the sacrificial yarn filaments are operative to undergo decomposition or melting upon being subjected to an elevated temperature; and wherein the sacrificial yarn filaments leave open spaces in the tow upon being subjected to decomposition, dissolution or melting; where the filaments have an average filament diameter of 5 to 15 micrometers.

公开(公告)号：US20240067578A1

公开(公告)日：2024-02-29

申请号：US18083976

申请日：2022-12-19

Applicant: Raytheon Technologies Corporation

Inventor： Zachary P. Konopaske ,  Robin H. Fernandez ,  John D. Riehl ,  Kathryn S. Read ,  Steven R. Clarke ,  Aaron Tomich

IPC: C04B38/06 ,  C04B20/00 ,  C04B35/565 ,  C04B35/80 ,  C22C47/06 ,  C22C49/14

CPC classification number: C04B38/06 ,  C04B20/0068 ,  C04B35/565 ,  C04B35/80 ,  C22C47/066 ,  C22C49/14 ,  C04B2235/5212 ,  C04B2235/5224 ,  C04B2235/5244 ,  C04B2235/614

Abstract: Disclosed herein is a composite co-fiber comprising a plurality of ceramic tows; one or more sacrificial yarns; where the sacrificial yarns are operative to undergo dissolution, decomposition or melting upon being subjected to an elevated temperature; and wherein the sacrificial yarns leave open spaces in the co-fiber upon being subjected to decomposition, dissolution or melting.