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GB2621162B - Aircraft landing gear shock absorber strut - Google Patents

Aircraft landing gear shock absorber strut Download PDF

Info

Publication number
GB2621162B
GB2621162B GB2211392.2A GB202211392A GB2621162B GB 2621162 B GB2621162 B GB 2621162B GB 202211392 A GB202211392 A GB 202211392A GB 2621162 B GB2621162 B GB 2621162B
Authority
GB
United Kingdom
Prior art keywords
shock absorber
landing gear
aircraft landing
absorber strut
gear shock
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.)
Active
Application number
GB2211392.2A
Other versions
GB2621162A (en
GB202211392D0 (en
Inventor
Bennett Ian
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
Safran Landing Systems UK 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 Safran Landing Systems UK Ltd filed Critical Safran Landing Systems UK Ltd
Priority to GB2211392.2A priority Critical patent/GB2621162B/en
Publication of GB202211392D0 publication Critical patent/GB202211392D0/en
Priority to PCT/GB2023/051960 priority patent/WO2024028572A1/en
Priority to EP23752015.0A priority patent/EP4565485A1/en
Publication of GB2621162A publication Critical patent/GB2621162A/en
Application granted granted Critical
Publication of GB2621162B publication Critical patent/GB2621162B/en
Active 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
    • B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface 
    • B64C25/58—Arrangements or adaptations of shock-absorbers or springs
    • B64C25/62—Spring shock-absorbers; 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D45/00—Aircraft indicators or protectors not otherwise provided for
    • B64D45/0005—Devices specially adapted to indicate the position of a movable element of the aircraft, e.g. landing gear
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Vibration Dampers (AREA)
GB2211392.2A 2022-08-04 2022-08-04 Aircraft landing gear shock absorber strut Active GB2621162B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB2211392.2A GB2621162B (en) 2022-08-04 2022-08-04 Aircraft landing gear shock absorber strut
PCT/GB2023/051960 WO2024028572A1 (en) 2022-08-04 2023-07-25 Aircraft landing gear shock absorber strut
EP23752015.0A EP4565485A1 (en) 2022-08-04 2023-07-25 Aircraft landing gear shock absorber strut

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2211392.2A GB2621162B (en) 2022-08-04 2022-08-04 Aircraft landing gear shock absorber strut

Publications (3)

Publication Number Publication Date
GB202211392D0 GB202211392D0 (en) 2022-09-21
GB2621162A GB2621162A (en) 2024-02-07
GB2621162B true GB2621162B (en) 2024-11-13

Family

ID=84546232

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2211392.2A Active GB2621162B (en) 2022-08-04 2022-08-04 Aircraft landing gear shock absorber strut

Country Status (3)

Country Link
EP (1) EP4565485A1 (en)
GB (1) GB2621162B (en)
WO (1) WO2024028572A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119389426B (en) * 2024-10-15 2025-11-07 中国直升机设计研究所 Undercarriage for triggering wheel-mounted signal and state management system
CN119239925B (en) * 2024-11-07 2025-10-28 中南大学 Electrorheological damping aircraft nose landing gear and aircraft

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB456897A (en) * 1934-04-26 1936-11-17 Bendix Aviat Corp Improvements relating to shock absorbers
US2107494A (en) * 1935-10-15 1938-02-08 Onions Shock absorbent strut for aircraft
GB581417A (en) * 1944-03-25 1946-10-11 S S Cars Ltd Suspension means-for example, for the supporting wheels of a vehicle or aircraft
US6168142B1 (en) * 1998-03-25 2001-01-02 Mcdonnell Douglas Helicopter Company Hydraulic damper with elastomeric spring assembly

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3069994B1 (en) 2015-03-19 2017-11-08 Safran Landing Systems UK Limited A shock absorber
US11851169B2 (en) 2019-07-26 2023-12-26 Safran Landing Systems Shock absorbing strut

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB456897A (en) * 1934-04-26 1936-11-17 Bendix Aviat Corp Improvements relating to shock absorbers
US2107494A (en) * 1935-10-15 1938-02-08 Onions Shock absorbent strut for aircraft
GB581417A (en) * 1944-03-25 1946-10-11 S S Cars Ltd Suspension means-for example, for the supporting wheels of a vehicle or aircraft
US6168142B1 (en) * 1998-03-25 2001-01-02 Mcdonnell Douglas Helicopter Company Hydraulic damper with elastomeric spring assembly

Also Published As

Publication number Publication date
GB2621162A (en) 2024-02-07
GB202211392D0 (en) 2022-09-21
WO2024028572A1 (en) 2024-02-08
EP4565485A1 (en) 2025-06-11

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