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1. WO2001063141 - DEVICE FORMING ASYMMETRIC DAMPER FOR A MOTOR VEHICLE SUSPENSION

Publication Number WO/2001/063141
Publication Date 30.08.2001
International Application No. PCT/FR2001/000494
International Filing Date 20.02.2001
IPC
F16F 9/348 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
9Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
32Details
34Special valve constructions; Shape or construction of throttling passages
348Throttling passages in the form of annular discs operating in opposite directions
F16F 9/516 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
9Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
32Details
50Special means providing automatic damping adjustment
516resulting in the damping effects during contraction being different from the damping effects during extension
CPC
F16F 9/348
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
9Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
32Details
34Special valve constructions
348Throttling passages in the form of annular discs ; or other plate-like elements which may or may not have a spring action; , operating in opposite directions ; or singly, e.g. annular discs positioned on top of the valve or piston body
F16F 9/5165
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
9Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
32Details
50Special 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
516resulting in the damping effects during contraction being different from the damping effects during extension ; , i.e. responsive to the direction of movement
5165by use of spherical valve elements or like free-moving bodies
Applicants
  • PEUGEOT CITROEN AUTOMOBILES S.A. [FR]/[FR]
Inventors
  • LAMORLETTE, Bruno
Agents
  • THINAT, Michel
Priority Data
00/0226223.02.2000FR
Publication Language French (fr)
Filing Language French (FR)
Designated States
Title
(EN) DEVICE FORMING ASYMMETRIC DAMPER FOR A MOTOR VEHICLE SUSPENSION
(FR) DISPOSITIF FORMANT AMORTISSEUR DISSYMETRIQUE POUR UNE SUSPENSION DE VEHICULE AUTOMOBILE
Abstract
(EN) The invention concerns a device forming an asymmetric damper for a motor vehicle suspension. Said device is characterised in that it comprises a mobile rigid component (21), such as a ball, located in a central part (15) of the body (9) of the damper (6) at the nozzle (15c, 15d) and adapted to move, under the effect of the liquid, between two extreme positions defining with the nozzle respectively two sections for the liquid to pass through, one larger than the other. The invention is applicable to hydro-pneumatic suspensions of motor vehicles.
(FR) La présente invention concerne un dispositif formant amortisseur dissymétrique pour une suspension de véhicule automobile. Le dispositif est caractérisé en ce qu'il comprend une pièce mobile rigide (21), telle qu'une bille, située dans une partie centrale (15) du corps (9) de l'amortisseur (6) au niveau du gicleur (15c, 15d) et apte à se déplacer, sous l'effet du déplacement du liquide, entre deux positions extrêmes définissant avec le gicleur respectivement deux sections disponibles de passage du liquide, l'une plus grande que l'autre. L'invention trouve application dans les suspensions hydropneumatiques de véhicules automobiles.
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