CA2204901A1 - Ensemble de reglage de pas pour rotor principal sans roulement - Google Patents

Ensemble de reglage de pas pour rotor principal sans roulement

Info

Publication number
CA2204901A1
CA2204901A1 CA 2204901 CA2204901A CA2204901A1 CA 2204901 A1 CA2204901 A1 CA 2204901A1 CA 2204901 CA2204901 CA 2204901 CA 2204901 A CA2204901 A CA 2204901A CA 2204901 A1 CA2204901 A1 CA 2204901A1
Authority
CA
Canada
Prior art keywords
torque tube
pitch
tube member
centering
adjustment assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA 2204901
Other languages
English (en)
Inventor
David N. Schmaling
Francis E. Byrnes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sikorsky Aircraft Corp
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US08/336,460 external-priority patent/US5460487A/en
Application filed by Individual filed Critical Individual
Publication of CA2204901A1 publication Critical patent/CA2204901A1/fr
Abandoned legal-status Critical Current

Links

Landscapes

  • Support Of The Bearing (AREA)

Abstract

Un ensemble de réglage de pas (100), destiné à un ensemble rotor (20) sans roulement, comprend un tube de couple (36) enveloppant un raccord à plaque de flexion (22). L'ensemble de réglage de pas (100) comporte un roulement de centrage (70) destiné à centrer une extrémité interne (38) du tube de couple (36) par rapport au raccord à plaque de flexion (22), de façon que ce roulement decentrage (70) définisse un point de pivotement (110) du tube de couple autour duquel ce tube de couple (36) tourne par rapport au raccord à plaque de flexion (22). Une bielette de commande de pas (48) est reliée mécaniquement à un bras de commande de pas (46) pour transmettre des commandes de pas au tube de couple (36). La bielette et le bras de commande de pas (48, 46) définissent un point de pivotement de commandes (116), et un mécanisme de déplacement (102 ou 140), combiné avec le roulement de centrage (70), réalisent le déplacement en translation du centre géométrique (120) du tube de couple (36) par rapport au tube de couple et aux points depivotement de commandes (110, 116). Des cales de réglage (102) ou un dispositif à vérin (140) permet le mouvement en translation du tube decouple (36).
CA 2204901 1994-11-09 1995-10-18 Ensemble de reglage de pas pour rotor principal sans roulement Abandoned CA2204901A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/336,460 1994-11-09
US08/336,460 US5460487A (en) 1994-11-09 1994-11-09 Pitch adjustment assembly for bearingless main rotors
PCT/US1995/013156 WO1996015029A2 (fr) 1994-11-09 1995-10-18 Ensemble de reglage de pas pour rotor principal sans roulement

Publications (1)

Publication Number Publication Date
CA2204901A1 true CA2204901A1 (fr) 1996-05-23

Family

ID=29405779

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2204901 Abandoned CA2204901A1 (fr) 1994-11-09 1995-10-18 Ensemble de reglage de pas pour rotor principal sans roulement

Country Status (1)

Country Link
CA (1) CA2204901A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11480214B2 (en) * 2019-06-28 2022-10-25 Airbus Operations Sas Bearing assembly of a hinge coupling a first component and a second component

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11480214B2 (en) * 2019-06-28 2022-10-25 Airbus Operations Sas Bearing assembly of a hinge coupling a first component and a second component

Similar Documents

Publication Publication Date Title
US5460487A (en) Pitch adjustment assembly for bearingless main rotors
US10392098B2 (en) High stiffness hub assemblies for rotor systems
US4676720A (en) Bearingless hub structure for rotary-wing aircrafts
US5096380A (en) Composite flexbeam for a bearingless helicopter rotor
CA1074760A (fr) Rotor (cross-beam)
US3282350A (en) Rotor blade mounting construction
CA1121786A (fr) Dispositif de retenue de pale durant le repliement
US10507912B2 (en) Inboard bearing assemblies with improved accessibility
CN107719662B (zh) 用于至少控制旋转机翼飞行器中多桨叶旋翼的旋翼桨叶总距控制系统
US6764280B2 (en) Multi-bladed tail rotor hub design for coriolis relief
EP1841644A2 (fr) Ensemble destine a fournir une souplesse a un systeme de lame
US10556676B2 (en) Hybrid yoke
US11673659B2 (en) Light-weight, elastic teeter bearing for a rotor and aircraft housing such bearing
US11040771B2 (en) Rotor hub
US10486807B2 (en) Inboard bearing assemblies having independent shoes
US4690615A (en) Rotor, especially for rotary wing aircraft
US10514060B2 (en) Inboard bearing assemblies with anti-rotation features
EP0421631B1 (fr) Rotor d'hélicoptère
CA2204901A1 (fr) Ensemble de reglage de pas pour rotor principal sans roulement
US10543913B2 (en) Tri-hybrid yoke
GB2160619A (en) Elastomeric high torque constant velocity joint
US20190016457A1 (en) Inboard Bearing Assemblies having Load Transfer Shoe Bolts
US6832894B2 (en) Combined ball-and-damper device for a helicopter rotor
US5174677A (en) Main rotor pitch control rod assembly with passive locking feature
US10494091B2 (en) Hub bolt supported inboard bearing assemblies

Legal Events

Date Code Title Description
FZDE Dead