FR3080798B1 - Dispositif de suspension hydropneumatique - Google Patents

Dispositif de suspension hydropneumatique Download PDF

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Publication number
FR3080798B1
FR3080798B1 FR1853939A FR1853939A FR3080798B1 FR 3080798 B1 FR3080798 B1 FR 3080798B1 FR 1853939 A FR1853939 A FR 1853939A FR 1853939 A FR1853939 A FR 1853939A FR 3080798 B1 FR3080798 B1 FR 3080798B1
Authority
FR
France
Prior art keywords
hydraulic
hydraulic circuit
suspension
suspension device
hydropneumatic suspension
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
Application number
FR1853939A
Other languages
English (en)
Other versions
FR3080798A1 (fr
Inventor
Jean-Luc Vermande
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR1853939A priority Critical patent/FR3080798B1/fr
Publication of FR3080798A1 publication Critical patent/FR3080798A1/fr
Application granted granted Critical
Publication of FR3080798B1 publication Critical patent/FR3080798B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G3/00—Resilient suspensions for a single wheel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/26—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs
    • B60G11/265—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs hydraulic springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
    • B60G13/02—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally
    • B60G13/06—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally of fluid type
    • B60G13/10—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally of fluid type pneumatic
    • 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
    • B60G17/0416—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics regulated by varying the resiliency of hydropneumatic suspensions
    • B60G17/0424—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics regulated by varying the resiliency of hydropneumatic suspensions by varying the air pressure of the accumulator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D49/00—Tractors
    • B62D49/06—Tractors adapted for multi-purpose use
    • B62D49/0607—Straddle tractors, used for instance above vine stocks, rows of bushes, or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00—Indexing codes relating to suspension types
    • B60G2200/10—Independent suspensions
    • 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
    • B60G2300/00—Indexing codes relating to the type of vehicle
    • B60G2300/08—Agricultural vehicles
    • B60G2300/083—Boom carrying vehicles, e.g. for crop spraying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2500/00—Indexing codes relating to the regulated action or device
    • B60G2500/30—Height or ground clearance

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

Dispositif de suspension hydropneumatique pour véhicule automobile (100) comportant un circuit hydraulique, d'alimentation de vérins hydrauliques (9) de suspension des roues, alimenté par une pompe hydraulique haute pression (202); chaque roue suspendue étant munie d'un vérin hydraulique (9) de suspension, caractérisé en ce que pour chaque roue suspendue (104), un accumulateur pneumatique tampon azote (5a, 5b) est disposé dans le circuit hydraulique et forme un amortisseur pneumatique entre un circuit hydraulique amont (2) côté pompe et un circuit hydraulique aval (7) côté vérin hydraulique de suspension.
FR1853939A 2018-05-07 2018-05-07 Dispositif de suspension hydropneumatique Active FR3080798B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1853939A FR3080798B1 (fr) 2018-05-07 2018-05-07 Dispositif de suspension hydropneumatique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1853939 2018-05-07
FR1853939A FR3080798B1 (fr) 2018-05-07 2018-05-07 Dispositif de suspension hydropneumatique

Publications (2)

Publication Number Publication Date
FR3080798A1 FR3080798A1 (fr) 2019-11-08
FR3080798B1 true FR3080798B1 (fr) 2021-11-05

Family

ID=62751161

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1853939A Active FR3080798B1 (fr) 2018-05-07 2018-05-07 Dispositif de suspension hydropneumatique

Country Status (1)

Country Link
FR (1) FR3080798B1 (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2620182A (en) * 1947-10-15 1952-12-02 Marston Fluid actuated suspension device for vehicles, aircraft, and the like
DE1277040B (de) * 1966-03-04 1968-09-05 Daimler Benz Ag Hydropneumatische Federung mit Niveauregelung fuer Fahrzeuge, insbesondere fuer Nutzkraftfahrzeuge
DE3505220A1 (de) * 1985-02-15 1986-08-21 Robert Bosch Gmbh, 7000 Stuttgart Hydropneumatische fahrzeugfeder
RU2001786C1 (ru) * 1991-03-19 1993-10-30 Могилевский Машиностроительный Институт Гидропневмоаккумул тор транспортного средства
DE19830506A1 (de) * 1998-07-08 2000-01-20 Hydac Technology Gmbh Drucksteuerungssystem
DE19949152C2 (de) * 1999-10-12 2003-07-31 Mowag Motorwagenfabrik Ag Kreu Hydropneumatische Federung
SE532662C2 (sv) * 2007-11-23 2010-03-16 Stroemsholmen Ab Fjädringssystem för fordon samt fordon med ett sådant fjädringssystem
WO2009111826A1 (fr) * 2008-03-10 2009-09-17 Kinetic Pty Ltd Dispositifs et commande de suspension de véhicule
DE102012017003A1 (de) * 2012-08-28 2014-05-15 Hydac Technology Gmbh Druckspeicheranordnung und Vorrichtung mit einer solchen Druckspeicheranordnung

Also Published As

Publication number Publication date
FR3080798A1 (fr) 2019-11-08

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