公开(公告)号：US4375940A

公开(公告)日：1983-03-08

申请号：US114963

申请日：1980-01-24

Applicant: Bruno Lovera ,  Santino Pancotti

Inventor： Bruno Lovera ,  Santino Pancotti

IPC: B64C27/59 ,  B64C27/605 ,  B64C27/72 ,  B64C27/74

CPC classification number: B64C27/72 ,  B64C27/605 ,  Y02T50/34

Abstract: A rotor shaft for helicopters in which a main rotatable shaft is tubular and supports in its interior a shaft (25) which is angularly fixed relative to the helicopter body and disposed coaxially to said main shaft; a swivel plate assembly being coupled to said fixed inner shaft and being disposed, together with at least part of a plurality of kinematic linkages connecting said swivel plate to the rotor blades and a plurality of actuator means controlling the position of said swivel plate, inside the space lying between said main shaft and said inner shaft.

Abstract translation: 一种用于直升机的转子轴，其中主旋转轴是管状的并且在其内部支撑相对于直升机主体成角度地固定并与所述主轴同轴设置的轴（25）; 旋转板组件联接到所述固定内轴并且与将所述旋转板连接到转子叶片的多个运动连接件的至少一部分一起设置，并且多个致动器装置控制所述旋转板的位置， 位于所述主轴和所述内轴之间的空间。

公开(公告)号：US4369019A

公开(公告)日：1983-01-18

申请号：US245721

申请日：1981-03-20

Applicant: Bruno Lovera ,  Santino Pancotti

Inventor： Bruno Lovera ,  Santino Pancotti

IPC: B64C27/32 ,  B64C27/35 ,  B64C27/48 ,  B64C27/72 ,  B64C27/38

CPC classification number: B64C27/322 ,  B64C27/35

Abstract: A helicopter rotor comprising elastomer joints, in which each blade is connected to a rotatable hub by means of a yoke constituted by a single U-shaped piece and mounted through a relative aperture provided in said hub;each yoke being connected to a transverse arm outwardly bordering said aperture, by means of a U stirrupembracing the relative said arm and provided with two overlying appendices extending outwards and having two surfaces inclined towards the other and acting as stop surfaces for two rocker arms constituting a devicefor controlling the flapping movements of said blade; said two rocker arms being mounted rotatable in a substantially vertical plane passing through the axis of the relative blade and being supported by a lever for controlling the pitch of this latter.

Abstract translation: 一种包括弹性体接头的直升机转子，其中每个叶片通过由单个U形件构成的轭连接到可旋转毂，并通过设置在所述毂中的相对孔安装; 每个轭通过包围相对所述臂的U形镫形连接到与所述孔对接的横向臂，并且设置有向外延伸的两个上覆附件，并且具有朝向另一个倾斜的两个表面，并且用作构成的两个摇臂的止动表面 用于控制所述叶片的扑动运动的装置; 所述两个摇臂被安装成可旋转地穿过相对叶片的轴线的基本上垂直的平面，并且由杠杆支撑，以控制后者的俯仰。

公开(公告)号：US4342540A

公开(公告)日：1982-08-03

申请号：US113726

申请日：1980-01-21

Applicant: Bruno Lovera ,  Santino Pancotti ,  Emilio Pariani ,  Giuseppe Virtuani

Inventor： Bruno Lovera ,  Santino Pancotti ,  Emilio Pariani ,  Giuseppe Virtuani

IPC: B64C27/32 ,  B64C27/35 ,  B64C27/38

CPC classification number: B64C27/322 ,  B64C27/35

Abstract: The multi-blade articulated rotor for helicopters, comprises a hub connected to a shaft rotatable substantially about a vertical axis, the hub being in the form of a plate comprising a plurality of perforations, each of which defines a bridge of material of said plate between a part of the edge of said perforation and a part of the edge of said plate; a plurality of yokes, each of which is substantially of U shape and comprises a pair of substantially parallel arms and a base element which connects together one end of said arms, the other end of the arms being connected to one of said blades, said base element being inserted into one of said perforations in the hub; a plurality of elastomer bearings, each of which is disposed between said base element of a yoke and the corresponding hub bridge; and means for limiting the amplitude of the swivel movement which each of said yokes can make substantially in a vertical plane.

Abstract translation: 用于直升机的多叶片铰接转子包括连接到基本上绕垂直轴线旋转的轴的毂，所述轮毂为包括多个穿孔的板的形式，每个穿孔限定所述板的材料的桥接在 所述穿孔的边缘的一部分和所述板的边缘的一部分; 多个轭，其大致为U形，并且包括一对基本平行的臂和将所述臂的一端连接在一起的基座元件，所述臂的另一端连接到所述刀片之一，所述基座 元件被插入到所述毂中的所述穿孔之一中; 多个弹性体轴承，每个弹性体轴承设置在轭的所述基座元件和对应的毂桥之间; 以及用于限制旋转运动的幅度的装置，每个所述轭可以基本上在垂直平面上形成。