公开(公告)号：US20160332726A1

公开(公告)日：2016-11-17

申请号：US15151593

申请日：2016-05-11

Applicant: MESSIER-BUGATTI-DOWTY

Inventor： Jerome FRAVAL ,  David FRANK

IPC: B64C25/50 ,  B64C25/58 ,  F16F9/12 ,  B64C25/34

CPC classification number: B64C25/505 ,  B64C25/34 ,  B64C25/58 ,  F16F9/12 ,  F16F9/182

Abstract: The invention relates to an aircraft undercarriage comprising: a strut (1) for connecting to the aircraft, a slide rod (3) slidably engaged in leaktight manner in the strut via the bottom opening, which rod carries at least one wheel at its bottom end, a diaphragm (7) carried by a support (8) attached to the top wall of the strut to co-operate in leaktight manner with an inside wall of the slide rod so as to define a first chamber (C1) under the diaphragm inside the rod and completely filled with hydraulic fluid, and a second chamber (C2) above the diaphragm and partially filled with hydraulic fluid, a throttle needle (10) secured to the slide rod and penetrating into a calibrated orifice (12) in the diaphragm so as to define a calibrated fluid passage between the first and second chambers, and angular connection means for imposing an angular position on the slide rod relative to the strut. According to the invention, the undercarriage includes at least one vane (20) fastened to the end of the throttle needle in order to extend inside a portion of the second chamber that is filled with hydraulic fluid.

Abstract translation: 本发明涉及一种飞机起落架，包括：用于连接到飞行器的支柱（1），滑动杆（3），其通过底部开口以密封方式可滑动地接合在支柱中，该杆在其底端承载至少一个轮 ，由支撑件（8）承载的隔膜（7），所述支撑件（8）附接到所述支柱的顶壁，以与所述滑杆的内壁以密封方式配合，以在所述隔膜内部限定第一室（C1） 所述杆并且完全充满液压流体，并且在隔膜上方并且部分地填充有液压流体的第二腔室（C2），固定到滑动杆并且渗透到隔膜中的校准孔口（12）中的节流针（10） 以便限定第一和第二腔室之间的经校准的流体通道，以及用于在滑杆上相对于支柱施加角位置的角度连接装置。 根据本发明，起落架包括至少一个固定到节流针端部的叶片（20），以便在填充有液压流体的第二室的一部分内延伸。

公开(公告)号：US20160332725A1

公开(公告)日：2016-11-17

申请号：US15109955

申请日：2015-01-06

Applicant: MESSIER-BUGATTI-DOWTY

Inventor： Domenico LA COMMARA

IPC: B64C25/50 ,  F15B15/06 ,  F15B15/14 ,  B64C25/34

CPC classification number: B64C25/50 ,  B64C25/34 ,  F15B15/065 ,  F15B15/1428 ,  F15B15/1447 ,  F15B15/1452

Abstract: Aircraft landing gear (100) provided with a bottom portion (110) that is steerable by means of a steering actuator (1) comprising a toothed wheel (70) that is secured to the steerable bottom portion (110) and that co-operates with a rack (20) that is movable in translation along an axial travel axis (X) and that has ends (21a, 21b) connected to pistons (30a, 30b) mounted to slide in respective cylinders (10a, 10b). Each connection between one of the pistons (30a, 30b) and the associated end of the rack (20) presents play (J) at least axially, and possibly also angular play (E), and at least one sealing gasket, referred to as an internal gasket (25), between the rack (20) and a piston (30a, 30b), the gasket being arranged to oppose movements of the rack (20) relative to the pistons (30a, 30b).

Abstract translation: 设有底部（110）的飞机起落架（100）可通过转向致动器（1）转向，该转向致动器（1）包括齿轮（70），该齿轮固定在可​​操纵的底部（110）上并与 一个可沿着轴向行进轴线（X）移动平移并具有连接到安装成在相应气缸（10a，10b）中滑动的活塞（30a，30b）的端部（21a，21b）的齿条（20）。 活塞（30a，30b）中的一个和齿条（20）的相关联的端部之间的每个连接至少轴向地（也可能是角度游隙）（E）和至少一个密封垫圈（称为 位于所述齿条（20）和活塞（30a，30b）之间的内部垫圈（25），所述垫圈布置成与所述齿条（20）相对于所述活塞（30a，30b）的运动相对。

公开(公告)号：US20160327929A1

公开(公告)日：2016-11-10

申请号：US15109873

申请日：2015-01-06

Applicant: MESSIER-BUGATTI-DOWTY

Inventor： Christophe CHEBROUX ,  Daniel LALLEMENT ,  Olivier COMA ,  Olivier BELATON ,  Olivier GUENEAU

IPC: G05B19/27 ,  G05B19/414 ,  G05B19/4069 ,  G05B19/04 ,  G05B19/4063 ,  G05B19/402

CPC classification number: G05B19/27 ,  G05B19/0415 ,  G05B19/402 ,  G05B19/4063 ,  G05B19/4069 ,  G05B19/4147 ,  G05B2219/39439

Abstract: A machining system (10) comprising a machine comprising: real tool (12); actuators (14) for moving the real tool (12); sensors (15) for generating positioning data (16) for the real tool (12); a memory (17) for storing shape correction data (20) for the real tool (12); and a physical controller (18) for executing a machining program (19) and for controlling the actuators (14) as a function of the shape correction data (20), so as to move the real tool (12) relative to the real blank (13). On the basis of said data (22) representative of the positions of the real tool (12) and of the real blank (13), image display means (24) generate a reconstituted image (25) representative: of the shape of the real blank (13); and of the position of the real tool (12) at a given instant.

公开(公告)号：US20160264235A1

公开(公告)日：2016-09-15

申请号：US15067963

申请日：2016-03-11

Applicant: Messier-Dowty Limited ,  Messier-Bugatti-Dowty

Inventor： Matthew Sexton ,  Robert Kyle Schmidt ,  Thomas Halford

IPC: B64C25/44

CPC classification number: B64C25/44 ,  B64C25/42

Abstract: A brake rod assembly for an aircraft landing gear. The brake rod assembly includes a support member, a first brake rod having a first pivot point and a second pivot point, and a second brake rod. The support member is coupled to the first pivot point, the second brake rod is coupled to the second pivot point, and the first and second pivot points are longitudinally spaced apart along a first portion of the first brake rod.

Abstract translation: 一种用于飞机起落架的制动杆组件。 制动杆组件包括支撑构件，具有第一枢转点和第二枢转点的第一制动杆和第二制动杆。 支撑构件联接到第一枢转点，第二制动杆联接到第二枢转点，并且第一和第二枢转点沿着第一制动杆的第一部分纵向间隔开。

公开(公告)号：US20160237545A1

公开(公告)日：2016-08-18

申请号：US15042196

申请日：2016-02-12

Applicant: MESSIER-BUGATTI-DOWTY

Inventor： Alain VIOLA ,  Nicolas BINOT

IPC: C23C8/26 ,  C22C38/24 ,  C22C38/22 ,  C21D6/00 ,  C23F17/00

CPC classification number: C23C8/26 ,  C21D1/06 ,  C21D1/25 ,  C21D3/04 ,  C21D6/002 ,  C22C38/22 ,  C22C38/24 ,  C23C8/02 ,  C23C8/80 ,  C23F17/00

Abstract: A method of fabricating a nitrided low-alloy steel part, includes a) decarburizing the surface of a low-alloy steel part including at least one alloying element that is both nitride-forming and carbide forming in order to obtain a decarburized part presenting a carbon-depleted surface layer of thickness less than or equal to 1.5 mm, the minimum content of carbon by weight in the carbon-depleted surface layer being less than or equal to 70% of the carbon content by weight in the core of the decarburized part; b) treating the decarburized part with quenching treatment followed by annealing treatment; and c) nitriding the carbon-depleted surface layer in order to obtain a nitrided low-alloy steel part, step c) being performed after step b).

Abstract translation: 一种制造氮化低合金钢部件的方法包括：a）对包含至少一种既氮化物形成和碳化物形成的合金元素的低合金钢部件的表面进行脱碳，以获得呈碳化的脱碳部分 剥离的表层厚度小于或等于1.5mm，碳耗尽表面层中碳的最小含量小于或等于脱碳部分芯中碳含量的70％; b）用淬火处理退火处理脱碳部分; 以及c）氮化所述贫碳表面层以获得氮化的低合金钢部件，步骤c）在步骤b）之后进行。

公开(公告)号：US09415865B2

公开(公告)日：2016-08-16

申请号：US14534339

申请日：2014-11-06

Applicant: MESSIER-BUGATTI-DOWTY

Inventor： Nicolas Mazarguil

IPC: B60K17/00 ,  B64C25/40 ,  B64C25/36

CPC classification number: B64C25/405 ,  B64C25/36 ,  Y02T50/823

Abstract: An aircraft wheel which is provided with rotational driving unit (110). The driving unit comprises a driving ring (111) which is associated with structure (112) for attaching the ring to a rim of the wheel. The attachment structure is fixed to treads (119) of the rim which further serve to retain removable brake blocks (121) with which the rim is provided.

Abstract translation: 具有旋转驱动单元（110）的飞轮。 所述驱动单元包括驱动环（111），其与用于将所述环连接到所述车轮的轮缘的结构（112）相关联。 附接结构被固定到轮辋的胎面（119）上，其进一步用于保持提供轮辋的可移除的制动块（121）。

公开(公告)号：US20160221666A1

公开(公告)日：2016-08-04

申请号：US15012340

申请日：2016-02-01

Applicant: MESSIER-BUGATTI-DOWTY

Inventor： Gary ATAMAN

IPC: B64C25/22 ,  F15B15/28 ,  G01L13/00 ,  B64C25/28

CPC classification number: B64C25/22 ,  B64C25/28 ,  F15B15/2807 ,  F15B15/2838 ,  F15B20/007 ,  G01L13/00

Abstract: A sensor (1) comprising: a housing (2) defining an internal volume (3); a movable part (4); detector means (5) for detecting movement of the movable part (4); transfer means (6) passing through a first opening (7) of the housing (2) to control movement of the movable part (4) from a first external zone (8); and first sealing means (9) for opposing the passage of fluid coming from the first external zone (8) towards said internal volume (3). The housing (2) includes a second opening (10) extending between the internal volume (3) and a second external zone (11); and second sealing means (12) between the internal volume (3) and the second external zone (11), the second sealing means being adapted to break so as to allow fluid to pass as soon as a first predetermined pressure difference is exceeded.

Abstract translation: 传感器（1）包括：限定内部容积（3）的壳体（2）; 可移动部分（4）; 用于检测可动部件（4）的移动的检测器装置（5）; 传送装置（6）穿过壳体（2）的第一开口（7），以控制活动部件（4）从第一外部区域（8）的移动; 以及用于使来自第一外部区域（8）的流体朝向所述内部容积（3）的通道相对的第一密封装置（9）。 壳体（2）包括在内部容积（3）和第二外部区域（11）之间延伸的第二开口（10）。 以及在所述内部容积（3）和所述第二外部区域（11）之间的第二密封装置（12），所述第二密封装置适于断裂，以便在超过第一预定压力差时允许流体通过。

公开(公告)号：US20160221665A1

公开(公告)日：2016-08-04

申请号：US15012339

申请日：2016-02-01

Applicant: MESSIER-BUGATTI-DOWTY

Inventor： Gary ATAMAN

IPC: B64C25/22 ,  F16H21/04 ,  F16H51/00 ,  F16H21/44

CPC classification number: B64C25/22 ,  F15B15/2807 ,  F15B15/2815 ,  F16H21/04 ,  F16H21/44 ,  F16H51/00 ,  F16J15/187 ,  F16J15/50 ,  F16J15/525

Abstract: Control system (1) comprising a control rod (5) extending between a first zone (2) situated in a hydraulic chamber delimited by a chamber wall (3) and a second zone (4) situated outside the hydraulic chamber. The control system (1) further comprising a seal (6) arranged around and against this control rod (5) to oppose the passage of fluid between the first and second zones (2, 4). The system further comprises a guide piece (7) assembled removably with respect to the chamber wall (3), the seal (6) is assembled inside the guide piece (7) so as to allow relative movement of the rod (5) with respect to the guide piece (7) while at the same time achieving sealing between the first and second zones (2, 4).

Abstract translation: 控制系统（1）包括控制杆（5），所述控制杆（5）在位于由室壁（3）限定的液压室中的第一区域（2）和位于所述液压室外部的第二区域（4）之间延伸。 所述控制系统（1）还包括围绕所述控制杆（5）布置的与所述第一和第二区域（2,4）之间的流体通过的密封件（6）。 系统还包括相对于室壁（3）可拆卸地组装的引导件（7），密封件（6）组装在引导件（7）内，以允许杆（5）相对于 同时在第一和第二区域（2,4）之间实现密封。

公开(公告)号：US20160207612A1

公开(公告)日：2016-07-21

申请号：US14914705

申请日：2014-09-11

Applicant: MESSIER-BUGATTI-DOWTY

Inventor： David FRANK

IPC: B64C25/42 ,  B64C25/34

CPC classification number: B64C25/426 ,  B60T8/1703 ,  B60T8/325 ,  B60T8/329 ,  B60T2250/04 ,  B64C25/34

Abstract: The invention relates to a method for managing the braking of an aircraft fitted with undercarriages (1) bearing braked wheels (2), the method comprising the step of generating braking commands by means of a braking computer (4) for each of the braked wheels as a function of longitudinal speed information representative of a longitudinal movement of the wheels in question, characterized in that there is placed at the bottom of the undercarriage, close to the braked wheels, a sensor adapted for generating a signal that can be used for generating the longitudinal speed information used for generating the braking commands.

Abstract translation: 本发明涉及一种用于管理配备有起落架（1）的载具制动轮（2）的飞机的制动方法，该方法包括通过制动计算机（4）为每个制动轮产生制动指令的步骤 作为表示所讨论的车轮的纵向运动的纵向速度信息的函数，其特征在于，在起落架的底部放置靠近制动轮的传感器，适于产生可用于产生的信号的传感器 用于产生制动指令的纵向速度信息。

公开(公告)号：US20160024631A1

公开(公告)日：2016-01-28

申请号：US14805786

申请日：2015-07-22

Applicant: MESSIER-BUGATTI-DOWTY

Inventor： Francis SONIAK

IPC: C22F1/18 ,  C22C14/00

CPC classification number: C22F1/183 ,  C22C14/00

Abstract: A method of converting an alloy comprising a majority of titanium, the method comprising: a step of fabricating an ingot (1); steps of a first type (A, B, C) of plastically deforming the alloy at a temperature higher than the β transus temperature Tβ; steps of a second type (A′, B′) of plastically deforming the alloy at a temperature lower than the β transus temperature Tβ. These step of the first and second types (A, A′, B, B′, C) are performed in the following sequence: a first step of the first type (A) at a first temperature T1; a first step of the second type (A′); a second step of the first type (B) at a second temperature T2 lower than T1; a second step of the second type (B′); and a third step of the first type (C) at a third temperature T3 lower than T2.

Abstract translation: 一种转化包含大部分钛的合金的方法，所述方法包括：制造锭（1）的步骤; 在高于“bgr”的温度下使合金发生塑性变形的第一类型（A，B，C）的步骤; 转子温度T＆bgr; 在低于“bgr”的温度下使合金塑性变形的第二类型（A'，B'）的步骤; 转子温度T＆bgr。 第一和第二类型（A，A'，B，B'，C）的这些步骤按照以下顺序进行：在第一温度T1下的第一类型（A）的第一步骤; 第二类（A'）的第一步; 在第二温度T2低于T1的第一类型（B）的第二步骤; 第二类型（B'）的第二步骤; 以及在低于T2的第三温度T3下的第一类型（C）的第三步骤。