公开(公告)号：USD743320S1

公开(公告)日：2015-11-17

申请号：US29470693

申请日：2013-10-24

Applicant: Bell Helicopter Textron Inc.

Designer： Brent C. Ross ,  Jeremy Chavez ,  Steven Ivans

公开(公告)号：US10689106B2

公开(公告)日：2020-06-23

申请号：US15642525

申请日：2017-07-06

Applicant: Bell Helicopter Textron Inc.

Inventor： Jeremy Chavez ,  Brent Chadwick Ross

IPC: B64C27/52 ,  B64C29/00 ,  B64C27/26 ,  B64C27/12

Abstract: The present invention includes a rotorcraft drive system comprising: an engine positioned at an end of a wing between a mid-wing spar and an aft-wing spar; a spindle positioned forward from the engine, the spindle capable of rotation between a hover and forward flight position, wherein the spindle rotates about a rotation bearing on an inboard split rib and an outboard tip rib or in a cantilevered spindle configuration supported by the inboard tip rib; and a tilt axis driveshaft connected to the engine, wherein the tilt axis drive shaft connects to a plurality of gears and shafts that transmit power from the engine to a proprotor gear box when the spindle is in: a forward position, a hover position, and during a transition between the forward position and the hover position without loss of power to the proprotor gear box.

公开(公告)号：US20190009900A1

公开(公告)日：2019-01-10

申请号：US15642525

申请日：2017-07-06

Applicant: Bell Helicopter Textron Inc.

Inventor： Jeremy Chavez ,  Brent Chadwick Ross

IPC: B64C29/00 ,  B64C27/26

Abstract: The present invention includes a rotorcraft drive system comprising: an engine positioned at an end of a wing between a mid-wing spar and an aft-wing spar; a spindle positioned forward from the engine, the spindle capable of rotation between a hover and forward flight position, wherein the spindle rotates about a rotation bearing on an inboard split rib and an outboard tip rib or in a cantilevered spindle configuration supported by the inboard tip rib; and a tilt axis driveshaft connected to the engine, wherein the tilt axis drive shaft connects to a plurality of gears and shafts that transmit power from the engine to a proprotor gear box when the spindle is in: a forward position, a hover position, and during a transition between the forward position and the hover position without loss of power to the proprotor gear box.