FR2640552B3 - DEVICE FOR ADJUSTING THE HEIGHT IN RELATION TO THE GROUND OF A ROAD VEHICLE CHASSIS PROVIDED WITH A LIFT AXLE - Google Patents

DEVICE FOR ADJUSTING THE HEIGHT IN RELATION TO THE GROUND OF A ROAD VEHICLE CHASSIS PROVIDED WITH A LIFT AXLE

Info

Publication number
FR2640552B3
FR2640552B3 FR898911487A FR8911487A FR2640552B3 FR 2640552 B3 FR2640552 B3 FR 2640552B3 FR 898911487 A FR898911487 A FR 898911487A FR 8911487 A FR8911487 A FR 8911487A FR 2640552 B3 FR2640552 B3 FR 2640552B3
Authority
FR
France
Prior art keywords
relation
ground
adjusting
height
vehicle chassis
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.)
Expired - Lifetime
Application number
FR898911487A
Other languages
French (fr)
Other versions
FR2640552A3 (en
Inventor
Roberto Nobili
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.)
VIBERTI SpA OFF
Original Assignee
VIBERTI SpA OFF
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 VIBERTI SpA OFF filed Critical VIBERTI SpA OFF
Publication of FR2640552A3 publication Critical patent/FR2640552A3/en
Application granted granted Critical
Publication of FR2640552B3 publication Critical patent/FR2640552B3/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B60G17/02—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
    • B60G17/052—Pneumatic spring characteristics
    • B60G17/0523—Regulating distributors or valves for pneumatic springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D53/00—Tractor-trailer combinations; Road trains
    • B62D53/04—Tractor-trailer combinations; Road trains comprising a vehicle carrying an essential part of the other vehicle's load by having supporting means for the front or rear part of the other vehicle
    • B62D53/06—Semi-trailers
    • B62D53/068—Semi-trailers having devices to equalise or modify the load between the fifth wheel and the rear wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D61/00—Motor vehicles or trailers, characterised by the arrangement or number of wheels, not otherwise provided for, e.g. four wheels in diamond pattern
    • B62D61/12—Motor vehicles or trailers, characterised by the arrangement or number of wheels, not otherwise provided for, e.g. four wheels in diamond pattern with variable number of ground engaging wheels, e.g. with some wheels arranged higher than others, or with retractable wheels
    • B62D61/125—Motor vehicles or trailers, characterised by the arrangement or number of wheels, not otherwise provided for, e.g. four wheels in diamond pattern with variable number of ground engaging wheels, e.g. with some wheels arranged higher than others, or with retractable wheels the retractable wheel being a part of a set of tandem wheels
FR898911487A 1988-12-20 1989-09-01 DEVICE FOR ADJUSTING THE HEIGHT IN RELATION TO THE GROUND OF A ROAD VEHICLE CHASSIS PROVIDED WITH A LIFT AXLE Expired - Lifetime FR2640552B3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT68128/88A IT1224010B (en) 1988-12-20 1988-12-20 HEIGHT ADJUSTMENT DEVICE COMPARED TO THE GROUND OF A ROAD VEHICLE FRAME EQUIPPED WITH A LIFTING AXLE

Publications (2)

Publication Number Publication Date
FR2640552A3 FR2640552A3 (en) 1990-06-22
FR2640552B3 true FR2640552B3 (en) 1990-11-30

Family

ID=11308038

Family Applications (1)

Application Number Title Priority Date Filing Date
FR898911487A Expired - Lifetime FR2640552B3 (en) 1988-12-20 1989-09-01 DEVICE FOR ADJUSTING THE HEIGHT IN RELATION TO THE GROUND OF A ROAD VEHICLE CHASSIS PROVIDED WITH A LIFT AXLE

Country Status (3)

Country Link
DE (1) DE8911010U1 (en)
FR (1) FR2640552B3 (en)
IT (1) IT1224010B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8929185D0 (en) * 1989-12-23 1990-02-28 Rubery Owen Rockwell Ltd Load distribution on air suspended vehicles
DE4028377A1 (en) * 1990-09-07 1992-03-12 Iveco Magirus CONTROL DEVICE FOR THE LIFTABLE REAR AXLE OF A DOUBLE AXLE UNIT OF COMMERCIAL VEHICLES
DE19905113B4 (en) * 1999-02-09 2008-01-10 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Lift axle valve for controlling the lift axle functions of a vehicle having a plurality of rear axles
KR100325230B1 (en) * 1999-10-08 2002-03-04 이계안 Leveling valve operating appratus
DE102011053031B4 (en) 2011-08-26 2015-12-17 Haldex Brake Products Gmbh Liftachsventileinheit

Also Published As

Publication number Publication date
IT1224010B (en) 1990-09-26
DE8911010U1 (en) 1989-11-30
IT8868128A0 (en) 1988-12-20
FR2640552A3 (en) 1990-06-22

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Legal Events

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TP Transmission of property