FR2436291A1 - SUSPENSION LEG FOR MACHINES MOVING OUTSIDE ROADS - Google Patents

SUSPENSION LEG FOR MACHINES MOVING OUTSIDE ROADS

Info

Publication number
FR2436291A1
FR2436291A1 FR7923126A FR7923126A FR2436291A1 FR 2436291 A1 FR2436291 A1 FR 2436291A1 FR 7923126 A FR7923126 A FR 7923126A FR 7923126 A FR7923126 A FR 7923126A FR 2436291 A1 FR2436291 A1 FR 2436291A1
Authority
FR
France
Prior art keywords
piston
liquid
channels
chamber
valve member
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
FR7923126A
Other languages
French (fr)
Other versions
FR2436291B3 (en
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.)
Euclid Inc
Original Assignee
Euclid Inc
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 Euclid Inc filed Critical Euclid Inc
Publication of FR2436291A1 publication Critical patent/FR2436291A1/en
Application granted granted Critical
Publication of FR2436291B3 publication Critical patent/FR2436291B3/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
    • F16F5/00—Liquid springs in which the liquid works as a spring by compression, e.g. combined with throttling action; Combinations of devices including liquid springs
    • 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
    • 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
    • F16F9/516—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 resulting in the damping effects during contraction being different from the damping effects during extension, i.e. responsive to the direction of movement

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

Une jambe de suspension hydraulique, renfermant un liquide compressible, comprend un piston percé de canaux et mobile alternativement dans un cylindre de manière à en diviser la chambre en deux parties. Les canaux du piston assurent une circulation réglée du liquide de l'une des parties de la chambre dans l'autre. Un élément de clapet s'applique contre le piston lorsque la jambe de suspension est mise en position d'extension sous l'effet d'un rebondissement, de manière à réduire considérablement la circulation du liquide à travers le piston et à amplifier l'amortissement au moment d'un rebondissement. Cet élément de clapet est soumis à la force de deux ressorts qui le retiennent l'écart du piston en fonctionnement normal, mais lui permettent de se rapprocher du piston au cours d'un rebondissement. Application aux engins lourds de transport pour chantiers de construction.A hydraulic suspension strut, containing a compressible liquid, comprises a piston pierced with channels and movable alternately in a cylinder so as to divide the chamber into two parts. The channels of the piston ensure controlled circulation of the liquid from one part of the chamber to the other. A valve member is applied against the piston when the suspension strut is rebounded into the extended position, thereby significantly reducing the flow of liquid through the piston and enhancing damping at the time of a bounce. This valve member is subjected to the force of two springs which keep it away from the piston during normal operation, but allow it to move closer to the piston during a rebound. Application to heavy transport vehicles for construction sites.

FR7923126A 1978-09-18 1979-09-17 SUSPENSION LEG FOR MACHINES MOVING OUTSIDE ROADS Granted FR2436291A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US94344978A 1978-09-18 1978-09-18

Publications (2)

Publication Number Publication Date
FR2436291A1 true FR2436291A1 (en) 1980-04-11
FR2436291B3 FR2436291B3 (en) 1981-07-24

Family

ID=25479685

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7923126A Granted FR2436291A1 (en) 1978-09-18 1979-09-17 SUSPENSION LEG FOR MACHINES MOVING OUTSIDE ROADS

Country Status (9)

Country Link
JP (1) JPS55112443A (en)
AU (1) AU523062B2 (en)
BE (1) BE878829A (en)
CA (1) CA1125799A (en)
DE (1) DE2937701A1 (en)
FR (1) FR2436291A1 (en)
GB (1) GB2036242B (en)
SE (1) SE440632B (en)
ZA (1) ZA794632B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0141428A2 (en) * 1983-11-09 1985-05-15 Liquid Spring Investors, Ltd. Fluid suspension spring and dampener for vehicle suspension system
US4735402A (en) * 1983-11-09 1988-04-05 Liquid Spring Investors, Ltd. Fluid suspension spring and dampener for vehicle suspension system
US4741516A (en) * 1984-06-28 1988-05-03 Liquidspring Investors, Ltd. Fluid suspension spring and damper for vehicle suspension system
FR2706371A1 (en) * 1993-06-18 1994-12-23 Australian Defence Ind Ltd High speed civil engineering machinery.

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3437653A1 (en) * 1984-10-13 1986-04-17 Rheinmetall GmbH, 4000 Düsseldorf DAMPING DEVICE FOR A MACHINE WEAPON

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2729308A (en) * 1952-01-05 1956-01-03 Gabriel Co Multiple stage shock absorber
GB1439347A (en) * 1972-10-16 1976-06-16 Menasco Mfg Co Shock isolator apparatus
JPS5029107A (en) * 1973-07-17 1975-03-25

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0141428A2 (en) * 1983-11-09 1985-05-15 Liquid Spring Investors, Ltd. Fluid suspension spring and dampener for vehicle suspension system
EP0141428A3 (en) * 1983-11-09 1986-05-28 Liquid Spring Investors, Ltd. Fluid suspension spring and dampener for vehicle suspension system
US4735402A (en) * 1983-11-09 1988-04-05 Liquid Spring Investors, Ltd. Fluid suspension spring and dampener for vehicle suspension system
EP0342719A2 (en) * 1983-11-09 1989-11-23 Liquid Spring Investors, Ltd. Fluid suspension spring and dampener for vehicle suspension system
EP0342719A3 (en) * 1983-11-09 1990-02-07 Liquid Spring Investors, Ltd. Fluid suspension spring and dampener for vehicle suspension system
US4741516A (en) * 1984-06-28 1988-05-03 Liquidspring Investors, Ltd. Fluid suspension spring and damper for vehicle suspension system
FR2706371A1 (en) * 1993-06-18 1994-12-23 Australian Defence Ind Ltd High speed civil engineering machinery.

Also Published As

Publication number Publication date
BE878829A (en) 1980-01-16
CA1125799A (en) 1982-06-15
DE2937701C2 (en) 1989-08-31
AU5078579A (en) 1981-03-26
GB2036242A (en) 1980-06-25
JPS6225893B2 (en) 1987-06-05
ZA794632B (en) 1980-08-27
SE7907322L (en) 1980-03-19
GB2036242B (en) 1982-12-08
AU523062B2 (en) 1982-07-08
JPS55112443A (en) 1980-08-30
SE440632B (en) 1985-08-12
DE2937701A1 (en) 1980-03-27
FR2436291B3 (en) 1981-07-24

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