公开(公告)号：US11802525B2

公开(公告)日：2023-10-31

申请号：US17647425

申请日：2022-01-07

Applicant: General Electric Company

Inventor： Vinod Chaudhari ,  Bhaskar Nanda Mondal ,  Kishanjit Pal ,  Sushilkumar Shevakari ,  Ian F. Prentice ,  Thomas Moniz ,  Trevor H. Wood ,  Kishore Ramakrishnan

IPC: F04D29/36 ,  F02K5/00 ,  F04D19/00

CPC classification number: F02K5/00 ,  F04D19/002 ,  F04D29/36

Abstract: An unducted single fan engine includes a housing having one or more fan blades coupled to the housing and configured to rotate circumferentially. The engine has one or more outlet guide vanes coupled to the housing. Each of the one or more guide vanes has a leading edge portion having a variable leading edge. The engine has one or more actuation devices coupled to each of the one or more outlet guide vanes. The one or more actuation devices are configured to control the variable leading edge of the respective outlet guide vane. The variable leading edge is controllable to vary the pitch, camber, lean angle, or sweep of the respective outlet guide vane.

公开(公告)号：US20230220816A1

公开(公告)日：2023-07-13

申请号：US17647425

申请日：2022-01-07

Applicant: General Electric Company

Inventor： Vinod Chaudhari ,  Bhaskar Nanda Mondal ,  Kishanjit Pal ,  Sushilkumar Shevakari ,  Ian F. Prentice ,  Thomas Moniz ,  Trevor H. Wood ,  Kishore Ramakrishnan

IPC: F02K5/00 ,  F04D19/00 ,  F04D29/36

CPC classification number: F02K5/00 ,  F04D19/002 ,  F04D29/36

Abstract: An unducted single fan engine includes a housing having one or more fan blades coupled to the housing and configured to rotate circumferentially. The engine has one or more outlet guide vanes coupled to the housing. Each of the one or more guide vanes has a leading edge portion having a variable leading edge. The engine has one or more actuation devices coupled to each of the one or more outlet guide vanes. The one or more actuation devices are configured to control the variable leading edge of the respective outlet guide vane. The variable leading edge is controllable to vary the pitch, camber, lean angle, or sweep of the respective outlet guide vane.