FR2036686B1 - - Google Patents

Info

Publication number
FR2036686B1
FR2036686B1 FR6902189A FR6902189A FR2036686B1 FR 2036686 B1 FR2036686 B1 FR 2036686B1 FR 6902189 A FR6902189 A FR 6902189A FR 6902189 A FR6902189 A FR 6902189A FR 2036686 B1 FR2036686 B1 FR 2036686B1
Authority
FR
France
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
FR6902189A
Other languages
French (fr)
Other versions
FR2036686A1 (en
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.)
Messier Hispano SA
Original Assignee
Messier Hispano SA
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 Hispano SA filed Critical Messier Hispano SA
Priority to FR6902189A priority Critical patent/FR2036686B1/fr
Priority to US3652039D priority patent/US3652039A/en
Priority to GB463470A priority patent/GB1303663A/en
Priority to DE2004097A priority patent/DE2004097C3/en
Publication of FR2036686A1 publication Critical patent/FR2036686A1/fr
Application granted granted Critical
Publication of FR2036686B1 publication Critical patent/FR2036686B1/fr
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]
FR6902189A 1969-01-31 1969-01-31 Expired FR2036686B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR6902189A FR2036686B1 (en) 1969-01-31 1969-01-31
US3652039D US3652039A (en) 1969-01-31 1970-01-30 Control devices for landing gear and hatchdoors with mechanical-hydraulic sequences
GB463470A GB1303663A (en) 1969-01-31 1970-01-30
DE2004097A DE2004097C3 (en) 1969-01-31 1970-01-30 Mechanical-hydraulic device for sequential control of the movements of a chassis

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2036686A1 FR2036686A1 (en) 1970-12-31
FR2036686B1 true FR2036686B1 (en) 1974-02-22

Family

ID=9028483

Family Applications (1)

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

Country Status (4)

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

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2061559B2 (en) * 1969-06-27 1974-06-14 Messier Hispano Sa
FR2529859A1 (en) * 1982-07-12 1984-01-13 Messier Hispano Sa Integrated block for control of the landing gear for an aircraft.
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 (en) * 2007-07-13 2020-06-18 Liebherr-Aerospace Lindenberg Gmbh Locking system and method for operating a locking system
KR20110091538A (en) * 2008-12-05 2011-08-11 메씨에르-다우티 인코포레이티드 Landing gear bay door with double hook mechanism
US8267351B2 (en) * 2008-12-05 2012-09-18 Messier-Dowty Inc. Roller slot door mechanism
FR2980461B1 (en) * 2011-09-26 2013-10-04 Messier Bugatti Dowty DEVICE FOR MANEUVERING THE GROUND OF A TRAPPER OF AN AIRCRAFT ENGINEER.
EP2796673B1 (en) * 2013-04-22 2018-03-07 Hilite Germany GmbH Central valve for a pivotable motor adjuster
DE202015003619U1 (en) * 2015-05-19 2016-08-22 Liebherr-Aerospace Lindenberg Gmbh Locking device of an aircraft landing gear
US10259568B2 (en) 2016-12-14 2019-04-16 Goodrich Corporation Non-jamming shrink latch assembly for retractable aircraft landing gear
CN114215804B (en) * 2022-02-22 2022-04-29 中国空气动力研究与发展中心高速空气动力研究所 Electro-hydraulic servo system for driving curved knife supporting mechanism

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR965855A (en) * 1950-09-23
FR891651A (en) * 1943-03-03 1944-03-15 Messerschmitt Boelkow Blohm Hydraulic device for actuating landing gear or the like retractable inside the airplane as well as the flaps closing the passage openings
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

Also Published As

Publication number Publication date
US3652039A (en) 1972-03-28
GB1303663A (en) 1973-01-17
DE2004097C3 (en) 1979-09-13
DE2004097A1 (en) 1970-08-27
FR2036686A1 (en) 1970-12-31
DE2004097B2 (en) 1979-01-11

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse