公开(公告)号：US20200324884A1

公开(公告)日：2020-10-15

申请号：US16382052

申请日：2019-04-11

Applicant: Bell Helicopter Textron Inc.

Inventor： Matthew Michael Wilcox ,  Aaron Alexander Acee

IPC: B64C27/12 ,  B64D35/02 ,  B64D35/04 ,  B60L7/18 ,  F16D3/06

Abstract: An exemplary rotorcraft includes a propulsion system including a prime mover and a drive shaft coupled to the prime mover, the drive shaft including a coupling separating the drive shaft into an input shaft and an output shaft, the coupling operable between an engaged position rotationally coupling the input shaft and the output shaft and a disengaged position rotationally disengaging the output shaft from the input shaft, a main rotor coupled to the prime mover, a secondary rotor attached to the output shaft, and a motor coupled to the output shaft.

公开(公告)号：US11187316B2

公开(公告)日：2021-11-30

申请号：US16107954

申请日：2018-08-21

Applicant: Bell Helicopter Textron Inc.

Inventor： Matthew Michael Wilcox

IPC: F16H57/04 ,  F16K15/02 ,  B64C27/06

Abstract: Various implementations described herein are directed to a lubrication system for a gearbox of an aircraft. A lubrication line is coupled to a plurality of jets and/or orifices to provide lubrication to one or more components of the gearbox. A check valve is placed within the lubrication line in a location upstream from the plurality of jets and/or orifices.

公开(公告)号：US20200063854A1

公开(公告)日：2020-02-27

申请号：US16107954

申请日：2018-08-21

Applicant: Bell Helicopter Textron Inc.

Inventor： Matthew Michael Wilcox

IPC: F16H57/04 ,  F16K15/02

Abstract: Various implementations described herein are directed to a lubrication system for a gearbox of an aircraft. A lubrication line is coupled to a plurality of jets and/or orifices to provide lubrication to one or more components of the gearbox. A check valve is placed within the lubrication line in a location upstream from the plurality of jets and/or orifices.