公开(公告)号：US11286037B2

公开(公告)日：2022-03-29

申请号：US16159208

申请日：2018-10-12

Applicant: Bell Helicopter Textron Inc.

Inventor： Robert Glenn Vaughn ,  Michael J. Ryan ,  Brent Randal Achttien ,  Kirk L. Groninga ,  Daniel B. Robertson ,  Matthew Edward Louis

IPC: B64C11/00 ,  B64C11/18 ,  B29C39/10 ,  B64C29/00 ,  F16J15/3288 ,  B29L31/08

Abstract: A rotor system is provided in one example embodiment and may include a rotor duct; at least one rotor blade, wherein the at least one rotor blade comprises a tip end; and a tip extension affixed at the tip end of the at least one rotor blade, wherein the tip extension comprises a plurality of flexible elements and the rotor blade has a fixed extended length based on the tip extension. The tip extension may provide a clearance distance between the tip extension and the rotor duct.

公开(公告)号：US11286036B2

公开(公告)日：2022-03-29

申请号：US16159178

申请日：2018-10-12

Applicant: Bell Helicopter Textron Inc.

Inventor： Kirk L. Groninga ,  Daniel B. Robertson ,  Matthew Edward Louis ,  Robert Glenn Vaughn ,  Michael J. Ryan ,  Brent Randal Achttien

IPC: B64C11/00 ,  B29C39/18 ,  B64C11/18 ,  B64C29/00 ,  B29L31/08 ,  F16J15/3288

Abstract: A rotor system is provided in one example embodiment and may include a rotor duct; at least one rotor blade, wherein the at least one rotor blade comprises a tip end; and a tip extension affixed at the tip end of the at least one rotor blade, wherein the tip extension is comprised, at least in part, of a flexible material and the rotor blade has a fixed extended length based on the tip extension. The tip extension may provide a clearance distance between the tip extension and the rotor duct.

公开(公告)号：US20180099738A1

公开(公告)日：2018-04-12

申请号：US15287467

申请日：2016-10-06

Applicant: Bell Helicopter Textron Inc.

Inventor： Brent Randal Achttien ,  Chyau J. Tzeng

IPC: B64C13/04 ,  B64C29/00 ,  G05G1/04 ,  G05G9/047

CPC classification number: B64D31/04 ,  B64C13/30 ,  B64C29/0033 ,  G05G9/047

Abstract: The present invention includes a thrust control apparatus, method and kit for a tiltrotor craft comprising a thrust control handle; a first and a second bar connected to the thrust control handle and connected to a floor support; a first end of a transverse bar connected to the first bar; a linker connected to a second end of the transverse bar; and a crankbell connected to the floor support below the first and a second bars, wherein a first end of the crankbell is connected to the linker, wherein the thrust control handle has a substantially linear motion that controls engine thrust, and the crankbell transfers the substantially linear motion of the handle into a substantially perpendicular motion that engages an engine thrust control at a second end of the crankbell.

公开(公告)号：US11383851B2

公开(公告)日：2022-07-12

申请号：US15287467

申请日：2016-10-06

Applicant: Bell Helicopter Textron Inc.

Inventor： Brent Randal Achttien ,  Chyau J. Tzeng

IPC: B64D31/04 ,  G05G9/047 ,  B64C13/04 ,  B64C29/00 ,  B64C13/30

Abstract: The present invention includes a thrust control apparatus, method and kit for a tiltrotor craft comprising a thrust control handle; a first and a second bar connected to the thrust control handle and connected to a floor support; a first end of a transverse bar connected to the first bar; a linker connected to a second end of the transverse bar; and a crankbell connected to the floor support below the first and a second bars, wherein a first end of the crankbell is connected to the linker, wherein the thrust control handle has a substantially linear motion that controls engine thrust, and the crankbell transfers the substantially linear motion of the handle into a substantially perpendicular motion that engages an engine thrust control at a second end of the crankbell.