FR2687123B1 - Train d'atterrissage relevable d'aeronef, notamment pour helicoptere. - Google Patents
Train d'atterrissage relevable d'aeronef, notamment pour helicoptere.Info
- Publication number
- FR2687123B1 FR2687123B1 FR9201501A FR9201501A FR2687123B1 FR 2687123 B1 FR2687123 B1 FR 2687123B1 FR 9201501 A FR9201501 A FR 9201501A FR 9201501 A FR9201501 A FR 9201501A FR 2687123 B1 FR2687123 B1 FR 2687123B1
- Authority
- FR
- France
- Prior art keywords
- helicopters
- landing gear
- aircraft landing
- lift aircraft
- lift
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
- F16F9/516—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics resulting in the damping effects during contraction being different from the damping effects during extension, i.e. responsive to the direction of movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/005—Suspension locking arrangements
-
- 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
- B64C25/14—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like fore-and-aft
-
- 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
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
- F16F9/063—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid comprising a hollow piston rod
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
- B60G2204/47—Means for retracting the suspension
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2300/00—Indexing codes relating to the type of vehicle
- B60G2300/18—Helicopters
-
- 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
- B64C2025/325—Alighting gear characterised by elements which contact the ground or similar surface specially adapted for helicopters
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Prevention Devices (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9201501A FR2687123B1 (fr) | 1992-02-11 | 1992-02-11 | Train d'atterrissage relevable d'aeronef, notamment pour helicoptere. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9201501A FR2687123B1 (fr) | 1992-02-11 | 1992-02-11 | Train d'atterrissage relevable d'aeronef, notamment pour helicoptere. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2687123A1 FR2687123A1 (fr) | 1993-08-13 |
FR2687123B1 true FR2687123B1 (fr) | 1994-04-08 |
Family
ID=9426515
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9201501A Expired - Fee Related FR2687123B1 (fr) | 1992-02-11 | 1992-02-11 | Train d'atterrissage relevable d'aeronef, notamment pour helicoptere. |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2687123B1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107132036A (zh) * | 2017-06-05 | 2017-09-05 | 西安航空制动科技有限公司 | 一种起落架刚度模拟装置及模拟方法 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2884801B1 (fr) * | 2005-04-22 | 2008-11-14 | Eurocopter France | Atterrisseur auxillaire de nez, structure porteuse et aeronef a voilure tournante |
FR2884802B1 (fr) * | 2005-04-22 | 2008-11-14 | Eurocopter France | Structure porteuse et aeronef a voilure tournante |
FR2885596B1 (fr) * | 2005-05-12 | 2007-07-06 | Eurocopter France | Procede et systeme anti-crash, atterrisseur et aeronef |
FR2922190B1 (fr) | 2007-10-11 | 2010-04-09 | Eurocopter France | Verin de retraction, atterrisseur de giravion muni d'un tel verin de retraction |
CN103523212A (zh) * | 2012-07-06 | 2014-01-22 | 哈尔滨飞机工业集团有限责任公司 | 飞机前起落架 |
FR3001708B1 (fr) * | 2013-02-06 | 2015-02-13 | Eurocopter France | Train d'atterrissage retractable, aeronef muni dudit train d'atterrissage, et procede de manoeuvre dudit train d'atterrissage |
US9303715B2 (en) | 2013-03-10 | 2016-04-05 | Oshkosh Defense, Llc | Limiting system for a vehicle suspension component |
CN103895858B (zh) * | 2014-03-24 | 2016-01-20 | 清华大学 | 高强度和高可靠性飞机起落架 |
US10611203B1 (en) | 2017-04-27 | 2020-04-07 | Oshkosh Defense, Llc | Suspension element lockout |
CN117068368A (zh) * | 2020-04-01 | 2023-11-17 | 上海润尘科技发展有限公司 | 一种固定翼飞机非能动制动方法 |
US11608163B2 (en) | 2020-09-25 | 2023-03-21 | Goodrich Corporation | Rebound valve systems and methods |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2529401A (en) * | 1947-08-25 | 1950-11-07 | Electro Hydraulics Ltd | Retractable undercarriage for aircraft |
FR2370196A2 (fr) * | 1976-02-04 | 1978-06-02 | Messier Hispano Sa | Perfectionnements aux amortisseurs-verins |
FR2511103A1 (fr) * | 1981-08-10 | 1983-02-11 | Aerospatiale | Composants munis d'un dispositif d'absorption d'energie par deformation plastique et/ou de limitation d'effort, et trains d'atterrissage d'aerodynes equipes de tels composants |
-
1992
- 1992-02-11 FR FR9201501A patent/FR2687123B1/fr not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107132036A (zh) * | 2017-06-05 | 2017-09-05 | 西安航空制动科技有限公司 | 一种起落架刚度模拟装置及模拟方法 |
Also Published As
Publication number | Publication date |
---|---|
FR2687123A1 (fr) | 1993-08-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |