FR2252508A1 - Variable stiffness vehicle suspension damper unit - compressed gas spring volume varies with horiz. acceleration - Google Patents

Variable stiffness vehicle suspension damper unit - compressed gas spring volume varies with horiz. acceleration

Info

Publication number
FR2252508A1
FR2252508A1 FR7341974A FR7341974A FR2252508A1 FR 2252508 A1 FR2252508 A1 FR 2252508A1 FR 7341974 A FR7341974 A FR 7341974A FR 7341974 A FR7341974 A FR 7341974A FR 2252508 A1 FR2252508 A1 FR 2252508A1
Authority
FR
France
Prior art keywords
valve
horiz
acceleration
compressed gas
gas spring
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.)
Granted
Application number
FR7341974A
Other languages
English (en)
French (fr)
Other versions
FR2252508B1 (enExample
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.)
GELE PIERRE FR
Original Assignee
GELE PIERRE FR
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 GELE PIERRE FR filed Critical GELE PIERRE FR
Priority to FR7341974A priority Critical patent/FR2252508A1/fr
Publication of FR2252508A1 publication Critical patent/FR2252508A1/fr
Application granted granted Critical
Publication of FR2252508B1 publication Critical patent/FR2252508B1/fr
Granted legal-status Critical Current

Links

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
    • F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/0152—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the action on a particular type of suspension unit
    • B60G17/0155—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the action on a particular type of suspension unit pneumatic unit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
    • B60G17/033—Spring characteristics, e.g. mechanical springs and mechanical adjusting means characterised by regulating means acting on more than one spring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
    • B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
    • B60G17/048—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics with the regulating means inside the fluid springs
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/10—Type of spring
    • B60G2202/15—Fluid spring
    • B60G2202/154—Fluid spring with an accumulator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/10—Acceleration; Deceleration
    • B60G2400/104—Acceleration; Deceleration lateral or transversal with regard to vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/10—Acceleration; Deceleration
    • B60G2400/106—Acceleration; Deceleration longitudinal with regard to vehicle, e.g. braking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/30—Propulsion unit conditions
    • B60G2400/34—Accelerator pedal position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/30—Propulsion unit conditions
    • B60G2400/35—Position of fuel or air injector
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/40—Steering conditions
    • B60G2400/41—Steering angle
    • B60G2400/412—Steering angle of steering wheel or column
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2500/00—Indexing codes relating to the regulated action or device
    • B60G2500/20—Spring action or springs
    • B60G2500/22—Spring constant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
    • B60G2800/01—Attitude or posture control
    • B60G2800/012—Rolling condition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
    • B60G2800/01—Attitude or posture control
    • B60G2800/014—Pitch; Nose dive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
    • B60G2800/22—Braking, stopping

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Vehicle Body Suspensions (AREA)
FR7341974A 1973-11-26 1973-11-26 Variable stiffness vehicle suspension damper unit - compressed gas spring volume varies with horiz. acceleration Granted FR2252508A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7341974A FR2252508A1 (en) 1973-11-26 1973-11-26 Variable stiffness vehicle suspension damper unit - compressed gas spring volume varies with horiz. acceleration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7341974A FR2252508A1 (en) 1973-11-26 1973-11-26 Variable stiffness vehicle suspension damper unit - compressed gas spring volume varies with horiz. acceleration

Publications (2)

Publication Number Publication Date
FR2252508A1 true FR2252508A1 (en) 1975-06-20
FR2252508B1 FR2252508B1 (enExample) 1980-06-27

Family

ID=9128242

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7341974A Granted FR2252508A1 (en) 1973-11-26 1973-11-26 Variable stiffness vehicle suspension damper unit - compressed gas spring volume varies with horiz. acceleration

Country Status (1)

Country Link
FR (1) FR2252508A1 (enExample)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2374563A1 (fr) * 1976-12-20 1978-07-13 Tokico Ltd Ressort a gaz
FR2567080A1 (fr) * 1984-07-09 1986-01-10 Lucas France Suspension pour vehicule
US4593890A (en) * 1982-12-10 1986-06-10 Fokker Bv Double acting oleo pneumatic shock absorber
WO1989012766A1 (en) * 1988-06-22 1989-12-28 The University Of Lancaster Suspension system
EP0403447A1 (en) * 1989-06-16 1990-12-19 FIAT AUTO S.p.A. A suspension member for motor vehicles
US6102170A (en) * 1998-05-07 2000-08-15 Tenneco Automotive Inc. Passive anti-roll system
ES2149669A1 (es) * 1997-11-24 2000-11-01 Univ Catalunya Politecnica Cilindro de suspension hidroneumatica con amortiguador integrado y rigidez ajustable.
NL1027207C2 (nl) * 2004-10-08 2006-04-11 Gebema Beheer B V Inrichting voor het inlaten van vloeistof in een vloeistofreservoir voor een hydraulische schokdemper en hydraulische schokdemper voorzien van een dergelijke inrichting.

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2374563A1 (fr) * 1976-12-20 1978-07-13 Tokico Ltd Ressort a gaz
US4593890A (en) * 1982-12-10 1986-06-10 Fokker Bv Double acting oleo pneumatic shock absorber
FR2567080A1 (fr) * 1984-07-09 1986-01-10 Lucas France Suspension pour vehicule
EP0168323A1 (fr) * 1984-07-09 1986-01-15 LUCAS FRANCE S.A. Division MESSIER AUTO INDUSTRIE Suspension pour véhicule
WO1989012766A1 (en) * 1988-06-22 1989-12-28 The University Of Lancaster Suspension system
EP0403447A1 (en) * 1989-06-16 1990-12-19 FIAT AUTO S.p.A. A suspension member for motor vehicles
ES2149669A1 (es) * 1997-11-24 2000-11-01 Univ Catalunya Politecnica Cilindro de suspension hidroneumatica con amortiguador integrado y rigidez ajustable.
US6102170A (en) * 1998-05-07 2000-08-15 Tenneco Automotive Inc. Passive anti-roll system
US6220406B1 (en) 1998-05-07 2001-04-24 Tenneco Automotive Inc. Passive anti-roll system
DE19921125B4 (de) * 1998-05-07 2006-06-22 Tenneco Automotive Inc., Lake Forest Stoßdämpfer mit passiver Dämpfungsbeeinflussung
DE19964466B4 (de) * 1998-05-07 2010-04-08 Tenneco Automotive Inc., Lake Forest Stoßdämpfer mit passiver Dämpfungsbeeinflussung und Fahrzeugaufhängung mit solchen Stoßdämpfern
NL1027207C2 (nl) * 2004-10-08 2006-04-11 Gebema Beheer B V Inrichting voor het inlaten van vloeistof in een vloeistofreservoir voor een hydraulische schokdemper en hydraulische schokdemper voorzien van een dergelijke inrichting.
WO2006038792A1 (en) * 2004-10-08 2006-04-13 Gebema Beheer B.V. Device for letting in liquid into a liquid reservoir for a hydraulic shock absorber and hydraulic shock absorber provided with such a device

Also Published As

Publication number Publication date
FR2252508B1 (enExample) 1980-06-27

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse