GB2470499B - Landing gear - Google Patents

Landing gear

Info

Publication number
GB2470499B
GB2470499B GB1012570A GB201012570A GB2470499B GB 2470499 B GB2470499 B GB 2470499B GB 1012570 A GB1012570 A GB 1012570A GB 201012570 A GB201012570 A GB 201012570A GB 2470499 B GB2470499 B GB 2470499B
Authority
GB
United Kingdom
Prior art keywords
landing gear
landing
gear
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.)
Expired - Fee Related
Application number
GB1012570A
Other versions
GB201012570D0 (en
GB2470499A (en
Inventor
Ian Bennett
Richard Charles Lang
Robert Anthony Menezes
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.)
Safran Landing Systems UK Ltd
Original Assignee
Messier Dowty Ltd
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
Application filed by Messier Dowty Ltd filed Critical Messier Dowty Ltd
Priority to GB1012570A priority Critical patent/GB2470499B/en
Priority claimed from GB0516030A external-priority patent/GB2428650B/en
Publication of GB201012570D0 publication Critical patent/GB201012570D0/en
Publication of GB2470499A publication Critical patent/GB2470499A/en
Application granted granted Critical
Publication of GB2470499B publication Critical patent/GB2470499B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C25/00—Alighting gear
    • B64C25/02—Undercarriages
    • B64C25/08—Undercarriages non-fixed, e.g. jettisonable
    • B64C25/10—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C25/00—Alighting gear
    • B64C25/02—Undercarriages
    • B64C25/08—Undercarriages non-fixed, e.g. jettisonable
    • B64C25/10—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like
    • B64C25/12—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like sideways
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C25/00—Alighting gear
    • B64C25/02—Undercarriages
    • B64C25/08—Undercarriages non-fixed, e.g. jettisonable
    • B64C25/10—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like
    • B64C25/18—Operating mechanisms
    • B64C25/22—Operating mechanisms fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C25/00—Alighting gear
    • B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface 
    • B64C25/58—Arrangements or adaptations of shock-absorbers or springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C25/00—Alighting gear
    • B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface 
    • B64C25/58—Arrangements or adaptations of shock-absorbers or springs
    • B64C25/60—Oleo legs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
    • F15B15/224—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having a piston which closes off fluid outlets in the cylinder bore by its own movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/315—Directional control characterised by the connections of the valve or valves in the circuit
    • F15B2211/31523—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source and an output member
    • F15B2211/31529—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source and an output member having a single pressure source and a single output member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/32—Directional control characterised by the type of actuation
    • F15B2211/327—Directional control characterised by the type of actuation electrically or electronically
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50518—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Vibration Prevention Devices (AREA)
GB1012570A 2005-08-04 2005-08-04 Landing gear Expired - Fee Related GB2470499B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1012570A GB2470499B (en) 2005-08-04 2005-08-04 Landing gear

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0516030A GB2428650B (en) 2005-08-04 2005-08-04 Landing gear
GB1012570A GB2470499B (en) 2005-08-04 2005-08-04 Landing gear

Publications (3)

Publication Number Publication Date
GB201012570D0 GB201012570D0 (en) 2010-09-08
GB2470499A GB2470499A (en) 2010-11-24
GB2470499B true GB2470499B (en) 2011-02-16

Family

ID=42752840

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1012570A Expired - Fee Related GB2470499B (en) 2005-08-04 2005-08-04 Landing gear

Country Status (1)

Country Link
GB (1) GB2470499B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103523210A (en) * 2012-07-06 2014-01-22 哈尔滨飞机工业集团有限责任公司 Friction shimmy damping device of nose landing gear
CN104149972A (en) * 2014-07-02 2014-11-19 张更生 Method capable of adjusting plane undercarriage
CN106218875B (en) * 2016-08-19 2018-07-24 中航飞机起落架有限责任公司 A kind of strut Bidirectional buffering and undercarriage elastic jackstay
GB2593460A (en) * 2020-03-20 2021-09-29 Airbus Operations Ltd Actuator for an aircraft landing gear assembly
US20230322370A1 (en) * 2022-04-06 2023-10-12 Goodrich Corporation Landing gear actuation system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB893013A (en) * 1958-12-02 1962-04-04 Dowty Rotol Ltd Improvements relating to multi-wheel aircraft undercarriages
GB1024455A (en) * 1963-04-09 1966-03-30 Electro Hydraulics Ltd Retractable undercarriages for aircraft
US4892270A (en) * 1987-06-09 1990-01-09 Messier-Haspano-Bugatti Rocking beam landing gear

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB893013A (en) * 1958-12-02 1962-04-04 Dowty Rotol Ltd Improvements relating to multi-wheel aircraft undercarriages
GB1024455A (en) * 1963-04-09 1966-03-30 Electro Hydraulics Ltd Retractable undercarriages for aircraft
US4892270A (en) * 1987-06-09 1990-01-09 Messier-Haspano-Bugatti Rocking beam landing gear

Also Published As

Publication number Publication date
GB201012570D0 (en) 2010-09-08
GB2470499A (en) 2010-11-24

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20140804