GB1303663A - - Google Patents

Info

Publication number
GB1303663A
GB1303663A GB463470A GB463470A GB1303663A GB 1303663 A GB1303663 A GB 1303663A GB 463470 A GB463470 A GB 463470A GB 463470 A GB463470 A GB 463470A GB 1303663 A GB1303663 A GB 1303663A
Authority
GB
United Kingdom
Prior art keywords
fluid
undercarriage
jack
distributer
door
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
Application number
GB463470A
Other languages
English (en)
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 filed Critical
Publication of GB1303663A publication Critical patent/GB1303663A/en
Expired legal-status Critical Current

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
    • B64C25/18—Operating mechanisms
    • B64C25/22—Operating mechanisms fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C25/00—Alighting gear
    • B64C25/02—Undercarriages
    • B64C25/08—Undercarriages non-fixed, e.g. jettisonable
    • B64C25/10—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like
    • B64C25/16—Fairings movable in conjunction with undercarriage elements
    • 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/20—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/8667—Reciprocating valve
    • Y10T137/86694—Piston valve
    • Y10T137/8671—With annular passage [e.g., spool]

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
GB463470A 1969-01-31 1970-01-30 Expired GB1303663A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6902189A FR2036686B1 (enrdf_load_stackoverflow) 1969-01-31 1969-01-31

Publications (1)

Publication Number Publication Date
GB1303663A true GB1303663A (enrdf_load_stackoverflow) 1973-01-17

Family

ID=9028483

Family Applications (1)

Application Number Title Priority Date Filing Date
GB463470A Expired GB1303663A (enrdf_load_stackoverflow) 1969-01-31 1970-01-30

Country Status (4)

Country Link
US (1) US3652039A (enrdf_load_stackoverflow)
DE (1) DE2004097C3 (enrdf_load_stackoverflow)
FR (1) FR2036686B1 (enrdf_load_stackoverflow)
GB (1) GB1303663A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114215804A (zh) * 2022-02-22 2022-03-22 中国空气动力研究与发展中心高速空气动力研究所 一种用于驱动弯刀支撑机构的电液伺服系统

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2061559B2 (enrdf_load_stackoverflow) * 1969-06-27 1974-06-14 Messier Hispano Sa
FR2529859A1 (fr) * 1982-07-12 1984-01-13 Messier Hispano Sa Bloc integre de commande des atterrisseurs pour aeronef
US4573649A (en) * 1983-08-01 1986-03-04 The Boeing Company Integrated alternate gear extension and ground-crew door opening/closing system for an aircraft
GB9802458D0 (en) * 1998-02-06 1998-04-01 Normalair Garrett Ltd Uplock assembly
US6027070A (en) * 1998-02-17 2000-02-22 Triumph Controls, Inc. Aircraft landing gear manual release assembly
US6854689B1 (en) * 2004-02-09 2005-02-15 The Boeing Company Methods and systems for operating aircraft landing gears
DE102007032779B4 (de) * 2007-07-13 2020-06-18 Liebherr-Aerospace Lindenberg Gmbh Verriegelungssystem und Verfahren zum Betreiben eines Verriegelungssystems
WO2010063110A1 (en) * 2008-12-05 2010-06-10 Messier-Dowty Inc. Landing gear bay door with double hook mechanism
WO2010063109A1 (en) * 2008-12-05 2010-06-10 Messier-Dowty Inc. Landing gear bay door with roller slot mechanism
FR2980461B1 (fr) * 2011-09-26 2013-10-04 Messier Bugatti Dowty Dispositif de manoeuvre au sol d'une trappe d'un atterrisseur d'aeronef.
EP2796673B1 (de) * 2013-04-22 2018-03-07 Hilite Germany GmbH Zentralventil für einen Schwenkmotorversteller
DE202015003619U1 (de) * 2015-05-19 2016-08-22 Liebherr-Aerospace Lindenberg Gmbh Verriegelungsvorrichtung eines Luftfahrzeugfahrwerks
US10259568B2 (en) 2016-12-14 2019-04-16 Goodrich Corporation Non-jamming shrink latch assembly for retractable aircraft landing gear

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR965855A (enrdf_load_stackoverflow) * 1950-09-23
FR891651A (fr) * 1943-03-03 1944-03-15 Messerschmitt Boelkow Blohm Dispositif hydraulique pour actionner des trains d'atterrissage ou analogues escamotables à l'intérieur de l'avion ainsi que les volets obturant les ouvertures de passage
US2552843A (en) * 1948-08-23 1951-05-15 Northrop Aircraft Inc Sequence control for landing gears
US2701695A (en) * 1949-08-18 1955-02-08 Mcdonnell Aircraft Corp Hydraulic interlock for retractable landing gear and closure operators for the chambers therefor
US3107886A (en) * 1961-11-09 1963-10-22 Kaman Aircraft Corp Hydraulic system for aircraft landing gear and hydraulic actuator therefor
US3263574A (en) * 1964-06-15 1966-08-02 Hydraulic Unit Specialities Co Speed and directional control valve for double acting lift cylinder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114215804A (zh) * 2022-02-22 2022-03-22 中国空气动力研究与发展中心高速空气动力研究所 一种用于驱动弯刀支撑机构的电液伺服系统

Also Published As

Publication number Publication date
DE2004097B2 (de) 1979-01-11
FR2036686A1 (enrdf_load_stackoverflow) 1970-12-31
DE2004097A1 (de) 1970-08-27
US3652039A (en) 1972-03-28
DE2004097C3 (de) 1979-09-13
FR2036686B1 (enrdf_load_stackoverflow) 1974-02-22

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee