FR3094435B1 - INERTIAL DOUBLE CHAMBER SHOCK ABSORBER FOR AUTOMOTIVE VEHICLE SUSPENSION - Google Patents
INERTIAL DOUBLE CHAMBER SHOCK ABSORBER FOR AUTOMOTIVE VEHICLE SUSPENSION Download PDFInfo
- Publication number
- FR3094435B1 FR3094435B1 FR1903247A FR1903247A FR3094435B1 FR 3094435 B1 FR3094435 B1 FR 3094435B1 FR 1903247 A FR1903247 A FR 1903247A FR 1903247 A FR1903247 A FR 1903247A FR 3094435 B1 FR3094435 B1 FR 3094435B1
- Authority
- FR
- France
- Prior art keywords
- shock absorber
- vehicle suspension
- automotive vehicle
- double chamber
- piston
- 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 2
- 230000035939 shock Effects 0.000 title abstract 2
- 239000000725 suspension Substances 0.000 title abstract 2
- 239000012530 fluid Substances 0.000 abstract 2
- 238000013016 damping Methods 0.000 abstract 1
Classifications
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- 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
- F16F9/182—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 comprising a hollow piston rod
-
- 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
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/10—Vibration-dampers; Shock-absorbers using inertia effect
- F16F7/1034—Vibration-dampers; Shock-absorbers using inertia effect of movement of a liquid
-
- 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
- F16F9/22—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 one or more cylinders each having a single working space closed by a piston or plunger
-
- 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
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
- F16F9/346—Throttling passages in the form of slots arranged in cylinder walls
-
- 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
- F16F9/504—Inertia, i.e. acceleration,-sensitive means
-
- 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
- F16F9/5126—Piston, or piston-like valve elements
-
- 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
-
- 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
- F16F9/20—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 with the piston-rod extending through both ends of the cylinder, e.g. constant-volume dampers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fluid-Damping Devices (AREA)
Abstract
L’invention concerne un amortisseur (2) pour suspension de véhicule automobile, qui comprend des premier et deuxième éléments (4, 6) formant un circuit hydraulique amortisseur et un circuit hydraulique inertiel, avec, entre le premier élément (4) et le deuxième élément (6), de positionnée une paroi intermédiaire (20) cylindrique, ladite paroi intermédiaire (20) comportant une chambre intermédiaire (22) qui comporte un fluide hydraulique et au moins un piston intermédiaire (12) solidaire dudit premier élément (4) et apte à coulisser le long de la chambre intermédiaire (22), ladite chambre intermédiaire (22) comportant des moyens de rappel (27) positionnés entre le piston intermédiaire (12) et la paroi intermédiaire (20), ladite chambre intermédiaire (22) comportant, pour au moins un positionnement du piston intermédiaire (12) le long de ladite chambre intermédiaire (22), des moyens de fuite (24) qui permettent un passage du fluide hydraulique de part et d’autre du piston intermédiaire (12). Figure pour l’abrégé : Fig. 1The invention relates to a shock absorber (2) for a motor vehicle suspension, which comprises first and second elements (4, 6) forming a damping hydraulic circuit and an inertial hydraulic circuit, with, between the first element (4) and the second element (6), with a cylindrical intermediate wall (20) positioned, said intermediate wall (20) comprising an intermediate chamber (22) which comprises a hydraulic fluid and at least one intermediate piston (12) integral with said first element (4) and able to slide along the intermediate chamber (22), said intermediate chamber (22) comprising return means (27) positioned between the intermediate piston (12) and the intermediate wall (20), said intermediate chamber (22) comprising , for at least one positioning of the intermediate piston (12) along said intermediate chamber (22), leakage means (24) which allow hydraulic fluid to pass on either side of the intermediate piston ( 12). Figure for the abstract: Fig. 1
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1903247A FR3094435B1 (en) | 2019-03-28 | 2019-03-28 | INERTIAL DOUBLE CHAMBER SHOCK ABSORBER FOR AUTOMOTIVE VEHICLE SUSPENSION |
PCT/FR2019/050779 WO2019202231A1 (en) | 2018-04-17 | 2019-04-03 | Hydraulic shock absorber with inertial fluid damping for the suspension of a motor vehicle |
EP19720967.9A EP3781835B1 (en) | 2018-04-17 | 2019-04-03 | Fluid damper with inertial fluid damping for a vehicle suspension |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1903247 | 2019-03-28 | ||
FR1903247A FR3094435B1 (en) | 2019-03-28 | 2019-03-28 | INERTIAL DOUBLE CHAMBER SHOCK ABSORBER FOR AUTOMOTIVE VEHICLE SUSPENSION |
Publications (2)
Publication Number | Publication Date |
---|---|
FR3094435A1 FR3094435A1 (en) | 2020-10-02 |
FR3094435B1 true FR3094435B1 (en) | 2021-03-12 |
Family
ID=67384032
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1903247A Active FR3094435B1 (en) | 2018-04-17 | 2019-03-28 | INERTIAL DOUBLE CHAMBER SHOCK ABSORBER FOR AUTOMOTIVE VEHICLE SUSPENSION |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR3094435B1 (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU7953482A (en) * | 1981-01-16 | 1982-07-22 | Andrew John Morris | Inertia responsive arrangement |
US20050046137A1 (en) * | 2003-08-28 | 2005-03-03 | Fima Dreff | Hydraulic suspension device and system for controlling wheel hop |
FR2922286B1 (en) * | 2007-10-11 | 2014-02-21 | Eurocopter France | DAMPER OF A VEHICLE |
JP2013518217A (en) * | 2010-01-25 | 2013-05-20 | ロータス エフワン チーム リミテッド | Fluid inerter |
US20130037362A1 (en) | 2010-02-05 | 2013-02-14 | Bill J. Gartner | Damping and inertial hydraulic device |
-
2019
- 2019-03-28 FR FR1903247A patent/FR3094435B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
FR3094435A1 (en) | 2020-10-02 |
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Legal Events
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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: 20201002 |
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PLFP | Fee payment |
Year of fee payment: 3 |
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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 |
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CD | Change of name or company name |
Owner name: STELLANTIS AUTO SAS, FR Effective date: 20240423 |