FR3093155B1 - HYDRAULIC SHOCK ABSORBER EQUIPPED WITH A SELF-ADAPTABLE LIMIT STOP - Google Patents
HYDRAULIC SHOCK ABSORBER EQUIPPED WITH A SELF-ADAPTABLE LIMIT STOP Download PDFInfo
- 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
Links
- 239000006096 absorbing agent Substances 0.000 title abstract 5
- 230000035939 shock Effects 0.000 title abstract 5
- 239000012530 fluid Substances 0.000 abstract 1
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 1HYDRAULIC SHOCK ABSORBER EQUIPPED WITH A SELF-ADAPTABLE LIMIT STOP Hydraulic shock absorber comprising a shock absorber piston (6) forward receiving a rod (10) comprising a stop piston (12) entering a fixed stop tube limit switch (14) having bores (20, 22, 24) which brake the fluid leaving this tube (14), this damper comprising a plug (30) sliding around the tube (14), held axially between a spring front (44) returning it to a rear position, and a rear spring (46) bearing on the shock absorber piston (6) to return it to a front position, the valve (30) comprising a rear bearing (38) closing in the rear position of the rear bores of the tube (22) and a front bearing surface (36) closing in the front position of the front bores of the tube (24), and comprising a chamber (40) separated axially into two volumes by a segment of fixed seal (42). Figure for the abstract: Figure 1
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1901718A FR3093155B1 (en) | 2019-02-21 | 2019-02-21 | HYDRAULIC SHOCK ABSORBER EQUIPPED WITH A SELF-ADAPTABLE LIMIT STOP |
PCT/FR2019/053255 WO2020169893A1 (en) | 2019-02-21 | 2019-12-20 | Hydraulic shock absorber provided with a self-adjustable limit stop |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1901718 | 2019-02-21 | ||
FR1901718A FR3093155B1 (en) | 2019-02-21 | 2019-02-21 | HYDRAULIC SHOCK ABSORBER EQUIPPED WITH A SELF-ADAPTABLE LIMIT STOP |
Publications (2)
Publication Number | Publication Date |
---|---|
FR3093155A1 FR3093155A1 (en) | 2020-08-28 |
FR3093155B1 true FR3093155B1 (en) | 2021-02-19 |
Family
ID=66867524
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1901718A Active FR3093155B1 (en) | 2019-02-21 | 2019-02-21 | HYDRAULIC SHOCK ABSORBER EQUIPPED WITH A SELF-ADAPTABLE LIMIT STOP |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR3093155B1 (en) |
WO (1) | WO2020169893A1 (en) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL132645C (en) | 1964-08-31 | 1900-01-01 | ||
JPS56155139U (en) * | 1980-04-21 | 1981-11-19 | ||
JPS58137143U (en) * | 1982-03-12 | 1983-09-14 | 昭和製作所 | Variable damping force hydraulic shock absorber |
ES2561132B1 (en) * | 2014-07-23 | 2016-12-19 | Kyb Suspensions Europe, S.A. | VARIABLE LOAD CONTROL SYSTEM IN A HYDRAULIC DEVICE |
CN107208726B (en) * | 2015-02-03 | 2019-10-01 | 天纳克汽车营运公司 | Secondary damper assembly for damper |
FR3050000B1 (en) | 2016-04-08 | 2018-09-07 | Peugeot Citroen Automobiles Sa | HYDRAULIC DAMPER EQUIPPED WITH AN ATTACK ROCK HAVING AN ADJUSTABLE BRAKING LAW |
FR3066796B1 (en) * | 2017-05-24 | 2019-06-21 | Peugeot Citroen Automobiles Sa | AUTO-ADJUSTABLE HYDRAULIC STOP FOR THE END OF THE RACE OF AN OSCILLATING MOVEMENT |
-
2019
- 2019-02-21 FR FR1901718A patent/FR3093155B1/en active Active
- 2019-12-20 WO PCT/FR2019/053255 patent/WO2020169893A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
FR3093155A1 (en) | 2020-08-28 |
WO2020169893A1 (en) | 2020-08-27 |
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Legal Events
Date | Code | Title | Description |
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PLFP | Fee payment |
Year of fee payment: 2 |
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PLSC | Publication of the preliminary search report |
Effective date: 20200828 |
|
PLFP | Fee payment |
Year of fee payment: 3 |
|
PLFP | Fee payment |
Year of fee payment: 4 |
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PLFP | Fee payment |
Year of fee payment: 5 |
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PLFP | Fee payment |
Year of fee payment: 6 |
|
CD | Change of name or company name |
Owner name: STELLANTIS AUTO SAS, FR Effective date: 20240423 |