公开(公告)号：US20190185153A1

公开(公告)日：2019-06-20

申请号：US15846011

申请日：2017-12-18

Applicant: Bell Helicopter Textron Inc.

Inventor： Jared Mark PAULSON ,  Tyler Wayne Baldwin ,  Kyle Thomas Cravener

IPC: B64C27/50

CPC classification number: B64C27/50 ,  B64C3/56 ,  B64C29/0033

Abstract: A rotor blade assembly for a tiltrotor aircraft comprising a rotor blade pivotally connected to a yoke with dual concentric blade bolts having a common central axis providing a pivotal axis inboard of an outboard CF bearing and the yoke tip. In use, the compact folded arrangement of the rotor blades reduces folded aircraft dimensions in response to ever increasing restricted storage space parameters.

公开(公告)号：US20190185152A1

公开(公告)日：2019-06-20

申请号：US15845876

申请日：2017-12-18

Applicant: Bell Helicopter Textron Inc.

Inventor： Jared Mark PAULSON ,  Tyler Wayne BALDWIN ,  Kyle Thomas CRAVENER

IPC: B64C27/50 ,  B64C27/52 ,  B64C29/00

Abstract: A folding yoke comprising a center yoke pivotally connected to separate foldable flexible yoke arms permits rotor blade fold about a single through bolt connection inboard of a set of bearings. In use, the compact folded arrangement of the rotor blades reduces folded aircraft dimensions in response to ever increasing restricted storage space parameters.

公开(公告)号：US20190185151A1

公开(公告)日：2019-06-20

申请号：US15845810

申请日：2017-12-18

Applicant: Bell Helicopter Textron Inc.

Inventor： Jared Mark PAULSON ,  Tyler Wayne BALDWIN ,  Kyle Thomas CRAVENER

IPC: B64C27/50 ,  B64C3/56

Abstract: A folding yoke comprising a bilateral center yoke pivotally connected to separate foldable yoke arms permits rotor blade fold about a single through bolt connection inboard of a set of bearings. In use, the compact folded arrangement of the rotor blades reduces folded aircraft dimensions in response to ever increasing restricted storage space parameters.