FR3032175A1 - - Google Patents

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Publication number
FR3032175A1
FR3032175A1 FR1550800A FR1550800A FR3032175A1 FR 3032175 A1 FR3032175 A1 FR 3032175A1 FR 1550800 A FR1550800 A FR 1550800A FR 1550800 A FR1550800 A FR 1550800A FR 3032175 A1 FR3032175 A1 FR 3032175A1
Authority
FR
France
Prior art keywords
housing
internal volume
sensor
sealing means
zone
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.)
Granted
Application number
FR1550800A
Other languages
English (en)
French (fr)
Other versions
FR3032175B1 (fr
Inventor
Gary Ataman
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 SAS
Original Assignee
Messier Bugatti Dowty 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 Bugatti Dowty SA filed Critical Messier Bugatti Dowty SA
Priority to FR1550800A priority Critical patent/FR3032175B1/fr
Priority to CA2918800A priority patent/CA2918800C/fr
Priority to EP16152491.3A priority patent/EP3051150B1/fr
Priority to US15/012,340 priority patent/US10077104B2/en
Publication of FR3032175A1 publication Critical patent/FR3032175A1/fr
Application granted granted Critical
Publication of FR3032175B1 publication Critical patent/FR3032175B1/fr
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
    • B64C25/02—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
    • 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
    • F15B15/28—Means for indicating the position, e.g. end of stroke
    • F15B15/2807—Position switches, i.e. means for sensing of discrete positions only, e.g. limit switches
    • 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
    • B64C25/26—Control or locking systems therefor
    • B64C25/28—Control or locking systems therefor with indicating or warning devices
    • 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
    • F15B15/28—Means for indicating the position, e.g. end of stroke
    • F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
    • F15B15/2838—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT with out using position sensors, e.g. by volume flow measurement or pump speed
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
    • 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
    • F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
    • F15B20/007—Overload

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Measuring Fluid Pressure (AREA)
FR1550800A 2015-02-02 2015-02-02 Capteur de proximite pour aeronef dote d'un fusible hydraulique Active FR3032175B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR1550800A FR3032175B1 (fr) 2015-02-02 2015-02-02 Capteur de proximite pour aeronef dote d'un fusible hydraulique
CA2918800A CA2918800C (fr) 2015-02-02 2016-01-22 Capteur de proximite pour aeronef dote d'un fusible hydraulique
EP16152491.3A EP3051150B1 (fr) 2015-02-02 2016-01-22 Capteur de proximité pour aéronef doté d'un fusible hydraulique
US15/012,340 US10077104B2 (en) 2015-02-02 2016-02-01 Proximity sensor for aircraft and having a hydraulic fuse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1550800A FR3032175B1 (fr) 2015-02-02 2015-02-02 Capteur de proximite pour aeronef dote d'un fusible hydraulique

Publications (2)

Publication Number Publication Date
FR3032175A1 true FR3032175A1 (US20080293856A1-20081127-C00127.png) 2016-08-05
FR3032175B1 FR3032175B1 (fr) 2017-03-10

Family

ID=53008678

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1550800A Active FR3032175B1 (fr) 2015-02-02 2015-02-02 Capteur de proximite pour aeronef dote d'un fusible hydraulique

Country Status (4)

Country Link
US (1) US10077104B2 (US20080293856A1-20081127-C00127.png)
EP (1) EP3051150B1 (US20080293856A1-20081127-C00127.png)
CA (1) CA2918800C (US20080293856A1-20081127-C00127.png)
FR (1) FR3032175B1 (US20080293856A1-20081127-C00127.png)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11053961B2 (en) * 2018-12-11 2021-07-06 Schlumberger Technology Corporation Piston control via adjustable rod
CN109050881B (zh) * 2018-08-02 2021-08-03 中国航空工业集团公司西安飞行自动控制研究所 一种内摆杆作动筒结构
DE202022100277U1 (de) 2022-01-19 2023-04-21 Liebherr-Aerospace Lindenberg Gmbh Verriegelungserfassungseinrichtung
US12084169B2 (en) * 2022-10-26 2024-09-10 Safran Landing Systems Canada Inc. Retractable body mounted landing gear with secondary crash attenuation

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2121951A5 (US20080293856A1-20081127-C00127.png) * 1971-01-13 1972-08-25 Agiman Jacques
GB2122726A (en) * 1982-07-01 1984-01-18 Gas Container Services Limited Gas container valve assembly
US4679452A (en) * 1983-05-17 1987-07-14 Kurt Stoll Limit sensing device
JPH01143404U (US20080293856A1-20081127-C00127.png) * 1988-03-28 1989-10-02
JPH0558910U (ja) * 1991-05-15 1993-08-03 株式会社コガネイ 流体圧機器
CA2576801A1 (en) * 2004-08-30 2006-03-09 Messier-Dowty Inc. Lock sensor for an internally locking actuator

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3414693A (en) * 1966-04-29 1968-12-03 Tomkins Johnson Co Cylinder head limit switch assembly

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2121951A5 (US20080293856A1-20081127-C00127.png) * 1971-01-13 1972-08-25 Agiman Jacques
GB2122726A (en) * 1982-07-01 1984-01-18 Gas Container Services Limited Gas container valve assembly
US4679452A (en) * 1983-05-17 1987-07-14 Kurt Stoll Limit sensing device
JPH01143404U (US20080293856A1-20081127-C00127.png) * 1988-03-28 1989-10-02
JPH0558910U (ja) * 1991-05-15 1993-08-03 株式会社コガネイ 流体圧機器
CA2576801A1 (en) * 2004-08-30 2006-03-09 Messier-Dowty Inc. Lock sensor for an internally locking actuator

Also Published As

Publication number Publication date
EP3051150A1 (fr) 2016-08-03
CA2918800C (fr) 2018-01-02
US20160221666A1 (en) 2016-08-04
FR3032175B1 (fr) 2017-03-10
CA2918800A1 (fr) 2016-08-02
EP3051150B1 (fr) 2023-01-04
US10077104B2 (en) 2018-09-18

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