公开(公告)号：US10822075B2

公开(公告)日：2020-11-03

申请号：US15664809

申请日：2017-07-31

Applicant: Bell Helicopter Textron Inc.

Inventor： Paul Sherrill ,  Tim Ledbetter ,  Kelli Yates ,  Robert Self ,  Nathan Green ,  Russell Cole

IPC: B64C27/04 ,  B64C27/00 ,  B64C27/46 ,  B64C27/473 ,  B64C27/82

Abstract: The present invention includes a span-balance pocket in a surface of a rotor blade, the span-balance pocket including an inboard surface and an outboard surface; and one or more weights disposed in the span-balance pocket to span-balance the rotor blade; and at least one of one or more retention devices to retain the one or more weights against the outboard surface of the span-balance pocket or the span-balance pocket is machined or molded into a tip block of the rotor blade.

公开(公告)号：US20190031327A1

公开(公告)日：2019-01-31

申请号：US15664809

申请日：2017-07-31

Applicant: Bell Helicopter Textron Inc.

Inventor： Paul Sherrill ,  Tim Ledbetter ,  Kelli Yates ,  Robert Self ,  Nathan Green ,  Russell Cole

IPC: B64C27/00 ,  B64C27/46 ,  B64C27/04

Abstract: The present invention includes a span-balance pocket in a surface of a rotor blade, the span-balance pocket including an inboard surface and an outboard surface; and one or more weights disposed in the span-balance pocket to span-balance the rotor blade; and at least one of one or more retention devices to retain the one or more weights against the outboard surface of the span-balance pocket or the span-balance pocket is machined or molded into a tip block of the rotor blade.