CN114616406A - 用于油气型减震器的隔膜保持件 - Google Patents
用于油气型减震器的隔膜保持件 Download PDFInfo
- Publication number
- CN114616406A CN114616406A CN202080076702.1A CN202080076702A CN114616406A CN 114616406 A CN114616406 A CN 114616406A CN 202080076702 A CN202080076702 A CN 202080076702A CN 114616406 A CN114616406 A CN 114616406A
- Authority
- CN
- China
- Prior art keywords
- diaphragm
- shock absorber
- holder
- tubular body
- diaphragm holder
- 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.)
- Pending
Links
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 23
- 230000035939 shock Effects 0.000 title claims abstract description 23
- 239000012815 thermoplastic material Substances 0.000 claims abstract description 7
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 230000002787 reinforcement Effects 0.000 claims description 7
- 239000012528 membrane Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000012530 fluid Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
Images
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
- F16F9/3207—Constructional features
-
- 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
- F16F9/064—Units characterised by the location or shape of the expansion chamber
- F16F9/065—Expansion chamber provided on the upper or lower end of a damper, separately there from or laterally on the damper
-
- 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
- F16F9/3207—Constructional features
- F16F9/3221—Constructional features of piston rods
-
- 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
- F16F2226/00—Manufacturing; Treatments
- F16F2226/04—Assembly or fixing methods; methods to form or fashion parts
- F16F2226/045—Press-fitting
-
- 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
- F16F2230/00—Purpose; Design features
- F16F2230/0041—Locking; Fixing in position
-
- 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
- F16F2230/00—Purpose; Design features
- F16F2230/02—Surface features, e.g. notches or protuberances
-
- 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
- F16F2230/00—Purpose; Design features
- F16F2230/36—Holes, slots or the like
-
- 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
- F16F2234/00—Shape
- F16F2234/02—Shape cylindrical
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Fluid-Damping Devices (AREA)
- Tents Or Canopies (AREA)
- Diaphragms And Bellows (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
本发明涉及一种用于油气型减震器的隔膜保持件。隔膜保持件包括由热塑性材料制成的管状主体,具有布置成保持隔膜的一端和限定拱形底部用以承受压力的相对端。根据本发明,嵌入件位于管状主体的底部,并布置成机械地加固所述底部并且均匀地分配压力。
Description
技术领域
本发明涉及液压式减震器领域,更具体地说,涉及一种用于油气型减震器的隔膜保持件,特别但非排它性地说,涉及飞行器着陆器。
背景技术
飞行器着陆器通常具有油气型减震器,其允许确保飞行器运动的稳定和控制,尤其是在滑行和着陆阶段期间。油气型减震器包括箱体,其中安装杆以便滑动。箱体和杆共同限定由与所述箱体成整体的隔膜分隔成两个腔室的内部容积。腔室中的一个充满了液压流体,而另一个腔室则充满了相同的液压流体和加压气体。隔膜包括校准的孔口,液压流体可以经受液压阻力而通过该孔口。
隔膜传统上由隔膜保持管固定,隔膜保持管被定尺寸成防止减震器在飞行器着陆阶段期间经受的压缩力峰值下燃烧。
因此,隔膜保持管通常由金属制成。但是,这种隔膜保持管的制造涉及昂贵而漫长的机加工操作。更有甚者,机加工制造涉及最小壁厚,其将会妨碍金属隔膜保持管的质量减轻,同时金属隔膜保持管常常相对于其承受的力尺寸过大。
根据文献FR-A-2 999 528,由热塑性材料制成的隔膜保持管是已知的,允许减少隔膜保持管的质量和制造时间,同时满足减震器正常操作所必需的机械性能。
然而,如果注塑制造允许优化隔膜保持管的形状,尤其是减轻其质量,注塑制造也会限制其机械性能的改善。事实上,结构被优化以改善其性能的塑料材料制隔膜保持管将具有难以、甚至说不可能通过注塑实现的密闭区域。
发明内容
因此,本发明旨在提出一种隔膜保持件,其允许至少部分地防止上述缺点。
为此,提出一种用于油气型减震器的隔膜保持件,该隔膜保持件包括由热塑性材料制成的管状主体。管状主体具有布置成保持设有节流孔口的隔膜的一端和限定拱形底部以保持压力的相对端。
根据本发明,嵌入件位于管状主体的底部,以机械加固所述底部并且均匀地分配压力。
这种嵌入件的布置允许对抗完全由塑料材料制成的隔膜保持件的机械性能。
具体地,该嵌入件由金属制成,优选为钢或者铝,或者由复合材料制成。
根据本发明的优选实施例,所述嵌入件是压装在管状主体的注入浇口上的圆柱形衬套。注入浇口随后形成销钉,用于将衬套对中在管状主体的底部。
根据本发明的特定特征,衬套的外表面与管状主体的底部的圆柱形加强件的内表面配合,其允许均匀地分配压力。
本发明还涉及一种油气型减震器,其包括隔膜,该隔膜设有节流孔口并将减震器的内部容积分隔为两个腔室,该隔膜由隔膜保持件保持。
本发明还涉及一种包括这种减震器的飞行器着陆器。
本发明还涉及一种包括这种着陆器的飞行器。
附图说明
根据以下描述将能最好地理解本发明,该描述纯粹是说明性的和非限制性的,并且必须结合附图阅读,在附图中:
-图1是包括本身已知的减震器的飞行器着陆器的示意性横截面图;
-图2A是本身已知的隔膜保持件的立体图;
-图2B是图2A所示的隔膜保持件的轴向横截面图;
-图3A是根据本发明的具体实施例的隔膜保持件的立体图;
-图3B是图3A所示的隔膜保持件的轴向横截面图;
-图3C是图3B所示的隔膜保持件的端部的细节图。
具体实施方式
图1表示包括油气型减震器的飞行器着陆器。以本身已知的方式,着陆器包括箱体1,其中安装有杆2以沿垂直轴线X滑动。杆2的下端布置成接纳保持一个或多个轮子的轮轴或转向架。
隔膜3将箱体1的内部分隔为第一腔室C1和第二腔室C2。第一腔室C1充满了液压流体F和加压气体G,第二腔室C2充满了液压流体F。隔膜3由隔膜保持件4沿轴线X延伸的下端保持,同时隔膜保持件4的上端被直接添加到箱体1的顶板上。
第二腔室C2此外由杆2中加入的底部5界定。底部5下方伸展充满液压流体F的第三腔室C3和充满加压气体G的第四腔室C4。第三腔室C3和第四腔室C4由分离活塞6所分隔。
隔膜3和底部5设有校准的孔口,分别允许液压流体F从第二腔室C2到第一腔室C1,并且从第二腔室C2到第三腔室C3。所有这些都是众所周知的,只是作为图示而被提醒。
图2A和图2B示出了现有技术中由众所周知的热塑性材料制成的隔膜保持件14。该隔膜保持件14与图1中所示的类似,不同之处在于其上端包括圆柱形座部11,座部11布置成能够在布置在箱体1中的同源的圆柱形座部中进行调整,并且承抵于所述箱体1的台阶部。圆柱形座部11包括布置成接纳密封件(未示出)的凹槽。
此外,隔膜保持件14包括大致管状的运行部件12,运行部件12在此包括纵向加强件13,纵向加强件13沿着平行于轴线X的运行部件12行进并且径向向外突出。加强件13围绕运行部件12规则地分布。
隔膜保持件14的下端包括适于在杆2中滑动的圆柱形座部15和其上添加隔膜3的端部部分16。与圆柱形座部11类似,圆柱形座部15包括布置成接纳滑动块体(未示出)的凹槽。
隔膜保持件14的上端具有形成拱形17的底部,其凸面朝向隔膜3且轴对称,并且与运行部件12成整体。拱形17通过双加固***在内部巩固,该双加固***一方面包括以轴线X为中心的一对环19(即内环和内环与拱形17之间的中间环);另一方面包括通过从拱形17向环19的最内侧延伸以向隔膜保持件14的中轴线X会聚的径向脊18网络。以这种方式,拱形17是稳定的并且可以抵抗显著的压力,同时具有最佳材料布置以利于隔膜保持件14的质量减轻。
图3A、3B和3C示出了根据本发明具体实施例的隔膜保持件24。隔膜保持件24与隔膜保持件14的不同之处在于,拱形加固***仅包括沿隔膜保持件24的中心轴线X延伸的单个中间环29,从中间环29在拱形27的方向上延伸径向脊28网络。中间环29包括内表面和外表面,它们基本上被截平,允许有利于隔膜保持件24的脱模。
此外,拱形加固***27还包括位于由中间环29界定的内部容积中的衬套20。衬套20包括彼此同轴的内管20.1和外管20.2,它们通过横向于轴线X延伸的壁20.3连接在一起。外管20.2的外表面成形为与中间环29的基本上截平的内表面配合,而内管20.1的内表面则成形为与隔膜保持件24的注入浇口21的基本上截平的外表面配合。注入浇口21沿着轴线X延伸并形成衬套20压配于其上的定心销。衬套20固定在注入浇口21上,经由螺母22拧紧在所述注入浇口21的自由端上以承抵在衬套20的内管20.1的一端上。
此处的衬套20由金属制成,优选地为钢或者铝。
衬套20形成加入到隔膜保持件24的拱形27中的嵌入件,并允许更好地分配和传递由液压流体F和加压气体G施加在隔膜保持件24上端上的力,尤其是在减震器的压缩期间。因此,衬套20允许改善完全由热塑性材料制成的隔膜保持件14的技术性能。
当然,本发明不限于所述实施例,而是涵盖进入如由权利要求书限定的本发明的范围内的任何变型。
尽管衬套在此处由金属制的,但它可以由机械阻力大于制成隔膜保持件的热塑性材料的任何其它材料制成。特别地,衬套可以由任何保证衬套的各向同性特性,允许隔膜保持件在减震器压缩期间的轴对称变形的材料制成。例如,衬套可以由复合材料制成。
衬套的几何形状和尺寸可以与图示的不同。比如,嵌入件可以穿过拱形。
虽然浇口的存在特别有利于嵌入件的定位,但在将嵌入件放入拱形之前也能移除浇口。
嵌入件可以通过任何手段固定在拱形中,无论是通过压配、粘合、拧紧、夹紧等等。
虽然隔膜3在此处将减震器的内部容积分隔为两个腔室C1和C2,但它也可以界定一个单独腔室并且没有流动孔口。
Claims (10)
1.用于油气型减震器的隔膜保持件(24),包括由热塑性材料制成的管状主体,所述管状主体具有布置成保持隔膜的一端和限定拱形底部(27)以保持压力的相对端,并且嵌入件(20)位于所述管状主体的底部,以机械地加固所述底部并且均匀地分配压力。
2.如权利要求1所述的隔膜保持件,其特征在于,所述嵌入件(20)由金属、优选为钢或者铝制成。
3.如任一项前述权利要求所述的隔膜保持件,其特征在于,所述嵌入件(20)为圆柱形衬套。
4.如权利要求3所述的隔膜保持件,其特征在于,所述衬套(20)压配在所述管状主体的注入浇口(21)上。
5.如权利要求4所述的隔膜保持件,其特征在于,所述衬套(20)的外表面与所述管状主体的底部(27)的圆柱形加强件(29)的内表面配合。
6.如权利要求5所述的隔膜保持件,其特征在于,径向脊(28)网络从所述圆柱形加强件(29)在所述管状主体的底部(27)方向延伸。
7.一种油气型减震器,包括如任一项前述权利要求所述的隔膜保持件(24)所保持的隔膜。
8.如权利要求7所述的油气型减震器,其特征在于,所述隔膜(24)设有节流孔口并将所述减震器的内部容积分隔成两个腔室(C1、C2)。
9.飞行器着陆器,包括如权利要求7或8所述的油气型减震器。
10.飞行器,包括如权利要求9所述的着陆器。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FRFR1912126 | 2019-10-29 | ||
FR1912126A FR3102524B1 (fr) | 2019-10-29 | 2019-10-29 | Porte-diaphragme pour amortisseur de type oléopneumatique |
PCT/EP2020/080204 WO2021083911A1 (fr) | 2019-10-29 | 2020-10-27 | Porte-diaphragme pour amortisseur de type oleopneumatique |
Publications (1)
Publication Number | Publication Date |
---|---|
CN114616406A true CN114616406A (zh) | 2022-06-10 |
Family
ID=69630425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202080076702.1A Pending CN114616406A (zh) | 2019-10-29 | 2020-10-27 | 用于油气型减震器的隔膜保持件 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220364626A1 (zh) |
EP (1) | EP4051923A1 (zh) |
CN (1) | CN114616406A (zh) |
FR (1) | FR3102524B1 (zh) |
WO (1) | WO2021083911A1 (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11884359B2 (en) * | 2022-02-25 | 2024-01-30 | Sram, Llc | Bicycle suspension components |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH271716A (fr) * | 1947-03-27 | 1950-11-15 | Procedes Et App Laugaudin Soc | Amortisseur de chocs. |
GB1440205A (en) * | 1972-08-21 | 1976-06-23 | Tokico Ltd | Shock absorbers |
FR2873176A1 (fr) * | 2004-07-13 | 2006-01-20 | Zf Friedrichshafen Ag Ag | Amortisseur d'oscillations a force d'amortissement dependante de l'amplitude |
US20070120300A1 (en) * | 2005-11-29 | 2007-05-31 | Dt Swiss, Inc. | Spring system, in particular for bicycles |
KR20100030050A (ko) * | 2008-09-09 | 2010-03-18 | 주식회사 만도 | 로드 가이드 및 이를 이용한 쇽업소버 |
CN101687545A (zh) * | 2007-06-15 | 2010-03-31 | 梅西耶-道提股份有限公司 | 用于飞机起落架的减震器 |
FR2964434A1 (fr) * | 2010-09-07 | 2012-03-09 | Walden Associates Ltd S A | Amortisseur a haut pouvoir dissipatif et pratiquement sans huile |
FR2999528A1 (fr) * | 2012-12-19 | 2014-06-20 | Messier Bugatti Dowty | Tube support de diaphragme en thermoplastique |
CN109790895A (zh) * | 2016-09-21 | 2019-05-21 | Kyb株式会社 | 缸装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5733239A (en) * | 1980-08-06 | 1982-02-23 | Showa Mfg Co Ltd | Shock absorber for two wheeled vehicle |
-
2019
- 2019-10-29 FR FR1912126A patent/FR3102524B1/fr active Active
-
2020
- 2020-10-27 US US17/772,776 patent/US20220364626A1/en active Pending
- 2020-10-27 CN CN202080076702.1A patent/CN114616406A/zh active Pending
- 2020-10-27 WO PCT/EP2020/080204 patent/WO2021083911A1/fr unknown
- 2020-10-27 EP EP20793422.5A patent/EP4051923A1/fr active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH271716A (fr) * | 1947-03-27 | 1950-11-15 | Procedes Et App Laugaudin Soc | Amortisseur de chocs. |
GB1440205A (en) * | 1972-08-21 | 1976-06-23 | Tokico Ltd | Shock absorbers |
FR2873176A1 (fr) * | 2004-07-13 | 2006-01-20 | Zf Friedrichshafen Ag Ag | Amortisseur d'oscillations a force d'amortissement dependante de l'amplitude |
US20070120300A1 (en) * | 2005-11-29 | 2007-05-31 | Dt Swiss, Inc. | Spring system, in particular for bicycles |
CN101687545A (zh) * | 2007-06-15 | 2010-03-31 | 梅西耶-道提股份有限公司 | 用于飞机起落架的减震器 |
KR20100030050A (ko) * | 2008-09-09 | 2010-03-18 | 주식회사 만도 | 로드 가이드 및 이를 이용한 쇽업소버 |
FR2964434A1 (fr) * | 2010-09-07 | 2012-03-09 | Walden Associates Ltd S A | Amortisseur a haut pouvoir dissipatif et pratiquement sans huile |
FR2999528A1 (fr) * | 2012-12-19 | 2014-06-20 | Messier Bugatti Dowty | Tube support de diaphragme en thermoplastique |
CN109790895A (zh) * | 2016-09-21 | 2019-05-21 | Kyb株式会社 | 缸装置 |
Also Published As
Publication number | Publication date |
---|---|
US20220364626A1 (en) | 2022-11-17 |
FR3102524A1 (fr) | 2021-04-30 |
WO2021083911A1 (fr) | 2021-05-06 |
FR3102524B1 (fr) | 2021-11-12 |
EP4051923A1 (fr) | 2022-09-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP3499084B1 (en) | Hydraulic damper with a hydraulic compression stop assembly | |
US3625321A (en) | Shock absorber and fluid-compensating means | |
US4438834A (en) | Hydro-pneumatic damping unit | |
US9182005B2 (en) | Hydraulic suspension damper with a floating disc valve | |
CN103502679B (zh) | 阻尼管加强套筒 | |
US8511447B2 (en) | Triple tube shock absorber having a shortened intermediate tube | |
US2742929A (en) | Pressure storage device | |
US20130081913A1 (en) | Welding of transfer ring on round tube | |
CN113840990B (zh) | 具有偏置活塞的液压压缩止动件 | |
US9284975B2 (en) | Bushing which can be pretensioned by material displacement and bearing equipped with said bushing | |
CN114616406A (zh) | 用于油气型减震器的隔膜保持件 | |
US11629772B2 (en) | Valve and shock absorber | |
US8474850B2 (en) | Lubricated guide unit for a motorcycle fork tube | |
US20220364627A1 (en) | Metering needle for oleo-pneumatic-type shock absorber | |
JP2021531441A (ja) | 車両サスペンションのための可変減衰油圧ショックアブソーバ | |
CN111601982A (zh) | 用于车辆的减振器 | |
CN114630973A (zh) | 用于油气型减震器的隔膜保持件 | |
US7677156B2 (en) | Piston load of vehicle height adjusting shock absorber and method of machining the same | |
EP1625956B1 (en) | Gas spring, arrangement and method for a gas spring | |
WO2022144787A1 (en) | Device for adjusting the bumper clearance in a vehicle suspension, and vehicle suspension comprising such device | |
US9670979B1 (en) | Resilient expandable pressure vessel | |
CN109690120A (zh) | 与频率相关的减振阀组件 | |
CN107923471A (zh) | 液压减振器 | |
EP3670337B1 (en) | Aircraft landing gear shock absorber assembly | |
EP4163514A1 (en) | Hydraulic damper with a hydromechanical compression stop assembly |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |