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公开(公告)号：WO2017058329A3
公开(公告)日：2017-05-11
申请号：PCT/US2016041167
申请日：2016-07-06
Applicant: NORTHROP GRUMMAN SYSTEMS CORP
Inventor： LINCH JONATHON J , RAHRIG KYLE M
CPC classification number: B64C11/001 , B64C39/024 , B64C39/10 , B64C2039/105 , B64C2201/024 , B64C2201/028 , B64C2201/104 , B64C2201/108 , B64C2201/165
Abstract: A propeller includes a hub coaxially surrounding a longitudinal axis. A ring shroud coaxially surrounds the longitudinal axis and is spaced radially from the hub. The ring shroud includes an inner ring surface and a radially spaced, oppositely facing outer ring surface. At least one propeller blade is fixedly attached to both the hub and the inner ring surface and extends radially therebetween for mutual rotation therewith. At least one extending blade has a first extending blade end radially spaced from a second extending blade end. The first extending blade end is fixedly attached to the outer ring surface. The second extending blade end is cantilevered from the first extending blade end and is radially spaced from the ring shroud.
Abstract translation: 螺旋桨包括同轴地围绕纵向轴线的轮毂。 环罩围绕纵轴同轴，并与轮毂径向隔开。 环罩包括内环表面和径向隔开的相对朝外环表面。 至少一个螺旋桨叶片固定地连接到轮毂和内环表面并且在其间径向延伸以与其一起相互旋转。 至少一个延伸叶片具有与第二延伸叶片端部径向隔开的第一延伸叶片端部。 第一延伸刀片端部固定地附接到外部环表面。 第二延伸刀片端部从第一延伸刀片端部悬伸并且与环状护罩径向隔开。
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公开(公告)号：CA2968514A1
公开(公告)日：2016-06-09
申请号：CA2968514
申请日：2015-11-11
Applicant: NORTHROP GRUMMAN SYSTEMS CORP
Inventor： LINCH JONATHON J , RAHRIG KYLE M
Abstract: A propeller includes a hub coaxially surrounding a longitudinal axis. A ring shroud coaxially surrounds the longitudinal axis and is spaced radially from the hub. At least one propeller blade is fixedly attached to both the hub and ring shroud and extends radially therebetween for mutual rotation therewith. At least one stub blade has a first stub end radially spaced from a second stub end. The first stub end is fixedly attached to a selected one of the hub and ring shroud. The second stub end is cantilevered from the first stub end and is radially interposed between the first stub end and the selected one of the hub and ring shroud.
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公开(公告)号：CA2968514C
公开(公告)日：2019-12-24
申请号：CA2968514
申请日：2015-11-11
Applicant: NORTHROP GRUMMAN SYSTEMS CORP
Inventor： LINCH JONATHON J , RAHRIG KYLE M
Abstract: A propeller comprising a hub coaxially surrounding a longitudinal axis. A ring shroud coaxially surrounds the longitudinal axis and spaced radially from the hub. At least one propeller blade is fixedly attached to both the hub and ring shroud and extends radially therebetween for mutual rotation therewith, and the propeller blades are angled in a first helical twist direction. At least one stub blade has a first stub end radially spaced from a second stub end. The first stub end is fixedly attached to a selected one of the hub and ring shroud. The second stub end is cantilevered from the first stub end and radially interposed between the first stub end and the selected one of the hub and ring shroud. The stub blades are angled in a second helical twist direction which is oppositely handed from the first helical twist direction.
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