FR3093155B1 - Amortisseur hydraulique equipe d’une butee de fin de course auto-adaptable - Google Patents

Amortisseur hydraulique equipe d’une butee de fin de course auto-adaptable Download PDF

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Publication number
FR3093155B1
FR3093155B1 FR1901718A FR1901718A FR3093155B1 FR 3093155 B1 FR3093155 B1 FR 3093155B1 FR 1901718 A FR1901718 A FR 1901718A FR 1901718 A FR1901718 A FR 1901718A FR 3093155 B1 FR3093155 B1 FR 3093155B1
Authority
FR
France
Prior art keywords
shock absorber
tube
hydraulic shock
self
bores
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.)
Active
Application number
FR1901718A
Other languages
English (en)
Other versions
FR3093155A1 (fr
Inventor
Frederic Riguel
Christophe Monteil
Alan Cavarec
Jean Marc Allegre
Francis Bontron
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.)
Stellantis Auto SAS
Original Assignee
PSA Automobiles 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 PSA Automobiles SA filed Critical PSA Automobiles SA
Priority to FR1901718A priority Critical patent/FR3093155B1/fr
Priority to PCT/FR2019/053255 priority patent/WO2020169893A1/fr
Publication of FR3093155A1 publication Critical patent/FR3093155A1/fr
Application granted granted Critical
Publication of FR3093155B1 publication Critical patent/FR3093155B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F16F9/48—Arrangements for providing different damping effects at different parts of the stroke
    • F16F9/49—Stops limiting fluid passage, e.g. hydraulic stops or elastomeric elements inside the cylinder which contribute to changes in fluid damping
    • 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
    • F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
    • F16F9/512—Means responsive to load action, i.e. static load on the damper or dynamic fluid pressure changes in the damper, e.g. due to changes in velocity
    • F16F9/5123—Means responsive to load action, i.e. static load on the damper or dynamic fluid pressure changes in the damper, e.g. due to changes in velocity responsive to the static or steady-state load 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
    • F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
    • F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
    • F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
    • F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
    • F16F9/185—Bitubular units

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Damping Devices (AREA)
  • Axle Suspensions And Sidecars For Cycles (AREA)

Abstract

AMORTISSEUR HYDRAULIQUE EQUIPE D’UNE BUTEE DE FIN DE COURSE AUTO-ADAPTABLE Amortisseur hydraulique comportant un piston d’amortisseur (6) recevant vers l’avant une tige (10) comprenant un piston de butée (12) rentrant dans un tube fixe de butée de fin de course (14) présentant des perçages (20, 22, 24) qui freinent le fluide sortant de ce tube (14), cet amortisseur comportant un boisseau (30) coulissant autour du tube (14), maintenu axialement entre un ressort avant (44) le rappelant dans une position arrière, et un ressort arrière (46) prenant appui sur le piston d’amortisseur (6) pour le rappeler dans une position avant, le boisseau (30) comprenant une portée arrière (38) fermant dans la position arrière des perçages arrière du tube (22) et une portée avant (36) fermant dans la position avant des perçages avant du tube (24), et comprenant une chambre (40) séparée axialement en deux volumes par un segment d’étanchéité (42) fixe . Figure pour l’abrégé : Figure 1
FR1901718A 2019-02-21 2019-02-21 Amortisseur hydraulique equipe d’une butee de fin de course auto-adaptable Active FR3093155B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1901718A FR3093155B1 (fr) 2019-02-21 2019-02-21 Amortisseur hydraulique equipe d’une butee de fin de course auto-adaptable
PCT/FR2019/053255 WO2020169893A1 (fr) 2019-02-21 2019-12-20 Amortisseur hydraulique equipe d'une butee de fin de course auto-adaptable

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1901718 2019-02-21
FR1901718A FR3093155B1 (fr) 2019-02-21 2019-02-21 Amortisseur hydraulique equipe d’une butee de fin de course auto-adaptable

Publications (2)

Publication Number Publication Date
FR3093155A1 FR3093155A1 (fr) 2020-08-28
FR3093155B1 true FR3093155B1 (fr) 2021-02-19

Family

ID=66867524

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1901718A Active FR3093155B1 (fr) 2019-02-21 2019-02-21 Amortisseur hydraulique equipe d’une butee de fin de course auto-adaptable

Country Status (2)

Country Link
FR (1) FR3093155B1 (fr)
WO (1) WO2020169893A1 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL132645C (fr) 1964-08-31 1900-01-01
JPS56155139U (fr) * 1980-04-21 1981-11-19
JPS58137143U (ja) * 1982-03-12 1983-09-14 昭和製作所 減衰力可変型油圧緩衝器
ES2561132B1 (es) * 2014-07-23 2016-12-19 Kyb Suspensions Europe, S.A. Sistema de control de carga variable en un dispositivo hidráulico
CN107208726B (zh) * 2015-02-03 2019-10-01 天纳克汽车营运公司 用于减振器的次级阻尼组件
FR3050000B1 (fr) 2016-04-08 2018-09-07 Peugeot Citroen Automobiles Sa Amortisseur hydraulique equipe d’une butee d’attaque presentant une loi de freinage reglable
FR3066796B1 (fr) * 2017-05-24 2019-06-21 Peugeot Citroen Automobiles Sa Butee hydraulique auto-ajustable pour la fin de course d’un mouvement oscillant

Also Published As

Publication number Publication date
FR3093155A1 (fr) 2020-08-28
WO2020169893A1 (fr) 2020-08-27

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