CA2314835A1 - Low-height tunable tilt rotor downstop - Google Patents
Low-height tunable tilt rotor downstop Download PDFInfo
- Publication number
- CA2314835A1 CA2314835A1 CA002314835A CA2314835A CA2314835A1 CA 2314835 A1 CA2314835 A1 CA 2314835A1 CA 002314835 A CA002314835 A CA 002314835A CA 2314835 A CA2314835 A CA 2314835A CA 2314835 A1 CA2314835 A1 CA 2314835A1
- Authority
- CA
- Canada
- Prior art keywords
- assembly
- tilt rotor
- coupled
- downstop
- striker
- 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
Links
- 230000003068 static effect Effects 0.000 claims abstract description 8
- 238000005452 bending Methods 0.000 claims description 20
- 230000008878 coupling Effects 0.000 claims description 16
- 238000010168 coupling process Methods 0.000 claims description 16
- 238000005859 coupling reaction Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 6
- 239000010936 titanium Substances 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- 230000000712 assembly Effects 0.000 abstract description 20
- 238000000429 assembly Methods 0.000 abstract description 20
- 238000006243 chemical reaction Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 230000036316 preload Effects 0.000 description 7
- 230000003534 oscillatory effect Effects 0.000 description 5
- 239000007769 metal material Substances 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- 239000004809 Teflon Substances 0.000 description 3
- 229920006362 Teflon® Polymers 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003831 antifriction material Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006334 epoxy coating Polymers 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/22—Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane and rotorcraft
- B64C27/28—Compound rotorcraft, i.e. aircraft using in flight the features of both aeroplane and rotorcraft with forward-propulsion propellers pivotable to act as lifting rotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/322—Blade travel limiting devices, e.g. droop stops
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C29/00—Aircraft capable of landing or taking-off vertically, e.g. vertical take-off and landing [VTOL] aircraft
- B64C29/0008—Aircraft capable of landing or taking-off vertically, e.g. vertical take-off and landing [VTOL] aircraft having its flight directional axis horizontal when grounded
- B64C29/0016—Aircraft capable of landing or taking-off vertically, e.g. vertical take-off and landing [VTOL] aircraft having its flight directional axis horizontal when grounded the lift during taking-off being created by free or ducted propellers or by blowers
- B64C29/0033—Aircraft capable of landing or taking-off vertically, e.g. vertical take-off and landing [VTOL] aircraft having its flight directional axis horizontal when grounded the lift during taking-off being created by free or ducted propellers or by blowers the propellers being tiltable relative to the fuselage
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transmission Devices (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
- Toys (AREA)
- Details Of Aerials (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14894499P | 1999-08-12 | 1999-08-12 | |
US60/148,944 | 1999-08-12 | ||
US09/408,337 US6328256B1 (en) | 1999-09-29 | 1999-09-29 | Low-height tunable tilt rotor downstop |
US09/408,337 | 1999-09-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2314835A1 true CA2314835A1 (en) | 2001-02-12 |
Family
ID=26846328
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002314835A Abandoned CA2314835A1 (en) | 1999-08-12 | 2000-08-02 | Low-height tunable tilt rotor downstop |
Country Status (7)
Country | Link |
---|---|
JP (1) | JP2001080587A (it) |
KR (1) | KR20010049953A (it) |
CA (1) | CA2314835A1 (it) |
DE (1) | DE10037539B4 (it) |
FR (1) | FR2797430B1 (it) |
GB (1) | GB2353018B (it) |
IT (1) | IT1318726B1 (it) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0116219D0 (en) | 2001-07-03 | 2002-03-06 | Bae Systems Plc | An aircraft |
PT2390180E (pt) * | 2010-05-27 | 2013-04-04 | Agustawestland Spa | Junta universal não rotativa para a unidade motora de um helicóptero |
US9834303B2 (en) * | 2013-08-14 | 2017-12-05 | Bell Helicopter Textron Inc. | Method and apparatus of connecting a fixed drive system to a rotating drive system for a tiltrotor aircraft |
US9174731B2 (en) | 2013-08-14 | 2015-11-03 | Bell Helicopter Textron Inc. | Fixed engine and rotating proprotor arrangement for a tiltrotor aircraft |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2403353A (en) * | 1943-12-11 | 1946-07-02 | Ernest James | Auxiliary propeller for airplanes |
US5054716A (en) * | 1989-10-16 | 1991-10-08 | Bell Helicopter Textron Inc. | Drive system for tiltrotor aircraft |
US5642982A (en) * | 1995-12-11 | 1997-07-01 | Sikorsky Aircraft Corporation | Retraction/extension mechanism for variable diameter rotors |
FR2747098B1 (fr) * | 1996-04-03 | 1998-06-12 | Eurocopter France | Dispositif de suspension d'une boite de transmission d'un aeronef a voilure tournante |
-
2000
- 2000-08-01 KR KR1020000044511A patent/KR20010049953A/ko not_active Application Discontinuation
- 2000-08-02 CA CA002314835A patent/CA2314835A1/en not_active Abandoned
- 2000-08-02 DE DE10037539A patent/DE10037539B4/de not_active Expired - Lifetime
- 2000-08-03 GB GB0018823A patent/GB2353018B/en not_active Expired - Lifetime
- 2000-08-04 IT IT2000MI001822A patent/IT1318726B1/it active
- 2000-08-07 JP JP2000238214A patent/JP2001080587A/ja active Pending
- 2000-08-09 FR FR0010477A patent/FR2797430B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB2353018A (en) | 2001-02-14 |
JP2001080587A (ja) | 2001-03-27 |
ITMI20001822A1 (it) | 2002-02-04 |
FR2797430B1 (fr) | 2005-01-21 |
GB0018823D0 (en) | 2000-09-20 |
FR2797430A1 (fr) | 2001-02-16 |
ITMI20001822A0 (it) | 2000-08-04 |
DE10037539B4 (de) | 2008-06-26 |
KR20010049953A (ko) | 2001-06-15 |
GB2353018B (en) | 2003-05-14 |
IT1318726B1 (it) | 2003-09-10 |
DE10037539A1 (de) | 2001-04-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6328256B1 (en) | Low-height tunable tilt rotor downstop | |
US4676720A (en) | Bearingless hub structure for rotary-wing aircrafts | |
US6220545B1 (en) | Method and apparatus for sensing preload in a tilt rotor downstop | |
US5035379A (en) | Movable aircraft engine cowling | |
US20100021301A1 (en) | Step-Over Blade-Pitch Control System | |
US20170320567A1 (en) | Rotor Assembly with High Lock-Number Blades | |
US7950605B2 (en) | Torsionally de-coupled engine mount system | |
US11933353B2 (en) | Three piece failsafe clevis | |
US11052993B2 (en) | Spring-loaded link | |
CA2314835A1 (en) | Low-height tunable tilt rotor downstop | |
US6607357B2 (en) | Aircraft constant-velocity transmission rotor | |
US4681511A (en) | Low vibration helicopter rotor | |
JPS63284097A (ja) | ヘリコプター用ロータの可撓ビーム装置 | |
US11299265B2 (en) | Rotor blade folding system | |
US10960970B2 (en) | Inboard beam with pin system for anti-rotation and centrifugal force retention | |
US11027834B2 (en) | Inboard centrifugal force bearing attachment | |
EP4091937A1 (en) | Rotor system | |
US3944170A (en) | Apparatus for producing pivotal movement | |
US4245956A (en) | Compensating linkage for main rotor control | |
US10870484B2 (en) | Adjustment of track and balance of a multi-blade rotor | |
EP3392134A1 (en) | Horizontal stabilizer mount for a rotorcraft | |
GB2059897A (en) | Helicopter rotor blade-to-hub connections | |
US11603183B2 (en) | Compliant tail structure for rotorcraft | |
US20240200378A1 (en) | Aircraft door with an adjustment system for adjusting the position of the door leaf relative to the door frame | |
Jeffery et al. | Compensating linkage for main rotor control |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FZDE | Discontinued |