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WO1991011339A3 - Systeme numerique de suspension - Google Patents

Systeme numerique de suspension Download PDF

Info

Publication number
WO1991011339A3
WO1991011339A3 PCT/CA1991/000026 CA9100026W WO9111339A3 WO 1991011339 A3 WO1991011339 A3 WO 1991011339A3 CA 9100026 W CA9100026 W CA 9100026W WO 9111339 A3 WO9111339 A3 WO 9111339A3
Authority
WO
WIPO (PCT)
Prior art keywords
piston
wheel
pressure reservoir
cavities
low pressure
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.)
Ceased
Application number
PCT/CA1991/000026
Other languages
English (en)
Other versions
WO1991011339A2 (fr
Inventor
Andrew Bruce Dunwoody
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.)
University of British Columbia
Original Assignee
University of British Columbia
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
Priority claimed from US07/473,748 external-priority patent/US5011180A/en
Priority claimed from US07/585,524 external-priority patent/US5062268A/en
Priority claimed from US07/632,944 external-priority patent/US5058384A/en
Application filed by University of British Columbia filed Critical University of British Columbia
Priority to KR1019920701843A priority Critical patent/KR920703354A/ko
Publication of WO1991011339A2 publication Critical patent/WO1991011339A2/fr
Publication of WO1991011339A3 publication Critical patent/WO1991011339A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • 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
    • B60G2202/40—Type of actuator
    • B60G2202/41—Fluid actuator
    • B60G2202/413—Hydraulic actuator
    • 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
    • B60G2400/102—Acceleration; Deceleration vertical
    • 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
    • B60G2400/25—Stroke; Height; Displacement
    • 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
    • B60G2400/60—Load
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2500/00—Indexing codes relating to the regulated action or device
    • B60G2500/10—Damping action or damper
    • B60G2500/102—Damping action or damper stepwise
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
    • B60G2600/22—Magnetic elements
    • B60G2600/26—Electromagnets; Solenoids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
    • B60G2600/76—Digital systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

Un système numérique de suspension d'un véhicule à roues comprend un cylindre hydraulique numérique (42) sur chaque roue et un système de détection des accélérations latérale et longitudinale (18, 24) du châssis du véhicule et de la position de chaque roue (10, 12, 14, 16) par rapport au châssis, ces informations étant transmises à un ordinateur (28). L'ordinateur calcule les forces requises par chaque roue et commande le cylindre hydraulique numérique de chaque roue en ajustant par incréments la force appliquée par chaque cylindre entre la roue et le châssis, de façon à maintenir le châssis du véhicule dans une position essentiellement stable. De préférence, le cylindre hydraulique utilisé est formé d'un ensemble ayant un premier élément, un cylindre, un corps et une chambre. Le premier élément comprend une première série d'une pluralité de cavités de piston de différentes dimensions et d'éléments de piston qui coopèrent avec une deuxième série d'éléments de piston et de cavités de piston formés dans un deuxième élément. Le deuxième élément forme un piston dans un cylindre. Les côtés du corps portent, de préférence de manière symétrique autour de l'axe de l'ensemble, une pluralité de soupapes, dont une soupape pour chaque paire de pistons et de cavités coopératifs. Un piston divise la chambre en un réservoir de haute pression et un réservoir de basse pression. Le piston est poussé vers le réservoir de haute presion afin de maintenir une pression différentielle entre les réservoirs de haute et de basse pressions. Des passages relient chaque soupape aux réservoirs de haute et de basse pressions, et chacune desdites cavités à la soupape correspondante reliant sélectivement sa cavité correspondante soit au réservoir de haute pression soit au réservoir de basse pression.
PCT/CA1991/000026 1990-02-02 1991-01-31 Systeme numerique de suspension Ceased WO1991011339A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019920701843A KR920703354A (ko) 1990-02-02 1991-01-31 디지탈 현가장치

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US07/473,748 US5011180A (en) 1990-02-02 1990-02-02 Digital suspension system
US473,748 1990-02-20
US07/585,524 US5062268A (en) 1990-02-02 1990-09-20 Fluid actuator
US585,524 1990-09-20
US07/632,944 US5058384A (en) 1990-09-20 1990-12-24 Digital actuator
US632,944 1990-12-24

Publications (2)

Publication Number Publication Date
WO1991011339A2 WO1991011339A2 (fr) 1991-08-08
WO1991011339A3 true WO1991011339A3 (fr) 1992-04-02

Family

ID=27413259

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CA1991/000026 Ceased WO1991011339A2 (fr) 1990-02-02 1991-01-31 Systeme numerique de suspension

Country Status (5)

Country Link
EP (1) EP0513075A1 (fr)
JP (1) JPH05503903A (fr)
KR (1) KR920703354A (fr)
CA (1) CA2074514A1 (fr)
WO (1) WO1991011339A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60000240T2 (de) * 2000-06-19 2003-02-06 S.A. Carat Duchatelet, Liege Ergänzende Federung für gepanzerte Fahrzeuge
DE10151580A1 (de) * 2001-10-23 2003-04-30 Zf Lemfoerder Metallwaren Ag Radaufhängung für ein Kraftfahrzeug
AT511993B1 (de) * 2011-09-21 2014-04-15 Austrian Ct Of Competence In Mechatronics Gmbh Hydraulischer verstärker

Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB432382A (en) * 1934-05-10 1935-07-25 John Neville Morris Improved anti-rolling device for automobiles and other self propelled vehicles
US2593040A (en) * 1946-11-21 1952-04-15 Lloyd Walter Vehicle suspension means
DE871557C (de) * 1945-08-24 1953-03-23 Von Roll Ag Gelenklose, hydraulische Ringkolben-Antriebseinrichtung
US3068023A (en) * 1957-11-26 1962-12-11 Daimler Benz Ag Equalization spring system for vehicles, especially motor vehicles
FR1399788A (fr) * 1963-05-11 1965-05-21 Bosch Gmbh Robert Installation de suspension pneumatique, en particulier pour véhicules automobiles
DE1776078A1 (de) * 1968-09-17 1971-09-09 Samson Apparatebau Ag Stellmotor mit einem druckmittelbetaetigten Stellglied
FR2112232A1 (fr) * 1970-10-01 1972-06-16 Daimler Benz Ag
GB1282101A (en) * 1968-08-12 1972-07-19 Terence Patrick Priestley Improvements in fluid pressure operated mechanisms
EP0110024A1 (fr) * 1982-12-04 1984-06-13 WABCO Westinghouse Steuerungstechnik GmbH & Co. Dispositif pour le changement de la force sur un positionneur
US4602481A (en) * 1983-09-26 1986-07-29 The Boeing Company Fluid actuator for binary selection of output force
US4639013A (en) * 1985-02-08 1987-01-27 Group Lotus Cap Companies PLC Vehicle suspension arrangements
EP0236742A1 (fr) * 1986-03-08 1987-09-16 Robert Bosch Gmbh Dispositif à servovalve pour commande de pression pneumatique
CA1230657A (fr) * 1983-01-21 1987-12-22 David A. Williams Systeme de suspension
DE3803009A1 (de) * 1987-02-04 1988-09-08 Josef Nusser Hydraulischer antrieb
DE3836103A1 (de) * 1988-10-22 1990-04-26 Daimler Benz Ag Hydraulische kolben-zylinder-anordnung
DE3938611A1 (de) * 1989-11-21 1990-10-04 Daimler Benz Ag Hydraulisches stellglied

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB432382A (en) * 1934-05-10 1935-07-25 John Neville Morris Improved anti-rolling device for automobiles and other self propelled vehicles
DE871557C (de) * 1945-08-24 1953-03-23 Von Roll Ag Gelenklose, hydraulische Ringkolben-Antriebseinrichtung
US2593040A (en) * 1946-11-21 1952-04-15 Lloyd Walter Vehicle suspension means
US3068023A (en) * 1957-11-26 1962-12-11 Daimler Benz Ag Equalization spring system for vehicles, especially motor vehicles
FR1399788A (fr) * 1963-05-11 1965-05-21 Bosch Gmbh Robert Installation de suspension pneumatique, en particulier pour véhicules automobiles
GB1282101A (en) * 1968-08-12 1972-07-19 Terence Patrick Priestley Improvements in fluid pressure operated mechanisms
DE1776078A1 (de) * 1968-09-17 1971-09-09 Samson Apparatebau Ag Stellmotor mit einem druckmittelbetaetigten Stellglied
FR2112232A1 (fr) * 1970-10-01 1972-06-16 Daimler Benz Ag
EP0110024A1 (fr) * 1982-12-04 1984-06-13 WABCO Westinghouse Steuerungstechnik GmbH & Co. Dispositif pour le changement de la force sur un positionneur
CA1230657A (fr) * 1983-01-21 1987-12-22 David A. Williams Systeme de suspension
US4602481A (en) * 1983-09-26 1986-07-29 The Boeing Company Fluid actuator for binary selection of output force
US4639013A (en) * 1985-02-08 1987-01-27 Group Lotus Cap Companies PLC Vehicle suspension arrangements
EP0236742A1 (fr) * 1986-03-08 1987-09-16 Robert Bosch Gmbh Dispositif à servovalve pour commande de pression pneumatique
DE3803009A1 (de) * 1987-02-04 1988-09-08 Josef Nusser Hydraulischer antrieb
DE3836103A1 (de) * 1988-10-22 1990-04-26 Daimler Benz Ag Hydraulische kolben-zylinder-anordnung
DE3938611A1 (de) * 1989-11-21 1990-10-04 Daimler Benz Ag Hydraulisches stellglied

Also Published As

Publication number Publication date
WO1991011339A2 (fr) 1991-08-08
EP0513075A1 (fr) 1992-11-19
JPH05503903A (ja) 1993-06-24
CA2074514A1 (fr) 1991-08-03
KR920703354A (ko) 1992-12-17

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