公开(公告)号：EP3437992A1

公开(公告)日：2019-02-06

申请号：EP17190934.4

申请日：2017-09-13

申请人： Bell Helicopter Textron Inc.

发明人： SHERRILL, Paul ,  LEDBETTER, Tim ,  YATES, Kelli ,  SELF, Robert ,  GREEN, Nathan ,  COLE, Russell

IPC分类号： B64C27/473 ,  B64C27/82

CPC分类号： B64C27/008 ,  B64C27/04 ,  B64C27/463 ,  B64C27/473 ,  B64C27/82

摘要： The present invention includes a span-balance pocket (302) in a surface of a rotor blade (304), the span-balance pocket (302) including an inboard surface (309) and an outboard surface (307); and one or more weights (306) disposed in the span-balance pocket to span-balance the rotor blade; and at least one of one or more retention devices (308) to retain the one or more weights against the outboard surface (307) of the span-balance pocket, wherein the span-balance pocket is machined or molded into a tip block of the rotor blade (304).

公开(公告)号：EP3437992B1

公开(公告)日：2019-09-04

申请号：EP17190934.4

申请日：2017-09-13

申请人： Bell Helicopter Textron Inc.

发明人： SHERRILL, Paul ,  LEDBETTER, Tim ,  YATES, Kelli ,  SELF, Robert ,  GREEN, Nathan ,  COLE, Russell

IPC分类号： B64C27/473 ,  B64C27/82 ,  B64C27/04