CA2314835A1 - Low-height tunable tilt rotor downstop - Google Patents

Low-height tunable tilt rotor downstop Download PDF

Info

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
Application number
CA002314835A
Other languages
English (en)
French (fr)
Inventor
Brett R. Zimmerman
Michael J. Ryan
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.)
Bell Helicopter Textron Inc
Original Assignee
Bell Helicopter Textron Inc
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 US09/408,337 external-priority patent/US6328256B1/en
Application filed by Bell Helicopter Textron Inc filed Critical Bell Helicopter Textron Inc
Publication of CA2314835A1 publication Critical patent/CA2314835A1/en
Abandoned legal-status Critical Current

Links

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)
  • Details Of Aerials (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Toys (AREA)
CA002314835A 1999-08-12 2000-08-02 Low-height tunable tilt rotor downstop Abandoned CA2314835A1 (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0116219D0 (en) 2001-07-03 2002-03-06 Bae Systems Plc An aircraft
EP2390180B1 (en) * 2010-05-27 2013-02-13 AGUSTAWESTLAND S.p.A. Non-rotating universal joint for a helicopter drive unit
US9174731B2 (en) 2013-08-14 2015-11-03 Bell Helicopter Textron Inc. Fixed engine and rotating proprotor arrangement for a tiltrotor aircraft
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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE10037539A1 (de) 2001-04-05
KR20010049953A (ko) 2001-06-15
IT1318726B1 (it) 2003-09-10
ITMI20001822A1 (it) 2002-02-04
DE10037539B4 (de) 2008-06-26
FR2797430A1 (fr) 2001-02-16
GB2353018B (en) 2003-05-14
GB2353018A (en) 2001-02-14
JP2001080587A (ja) 2001-03-27
ITMI20001822A0 (it) 2000-08-04
FR2797430B1 (fr) 2005-01-21
GB0018823D0 (en) 2000-09-20

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Legal Events

Date Code Title Description
FZDE Discontinued