FR2238605A1 - Automatic load distributor for three-axle vehicle - has pneumatic pressure applied only to suspension for drive wheels of second axle - Google Patents

Automatic load distributor for three-axle vehicle - has pneumatic pressure applied only to suspension for drive wheels of second axle

Info

Publication number
FR2238605A1
FR2238605A1 FR7424360A FR7424360A FR2238605A1 FR 2238605 A1 FR2238605 A1 FR 2238605A1 FR 7424360 A FR7424360 A FR 7424360A FR 7424360 A FR7424360 A FR 7424360A FR 2238605 A1 FR2238605 A1 FR 2238605A1
Authority
FR
France
Prior art keywords
axle
suspension
drive wheels
load
pressure applied
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
FR7424360A
Other languages
French (fr)
Other versions
FR2238605B1 (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.)
Industrie Magneti Marelli SRL
Marelli Europe SpA
Original Assignee
Fabbrica Italiana Magneti Marelli SpA
Magneti Marelli SpA
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 Fabbrica Italiana Magneti Marelli SpA, Magneti Marelli SpA filed Critical Fabbrica Italiana Magneti Marelli SpA
Publication of FR2238605A1 publication Critical patent/FR2238605A1/en
Application granted granted Critical
Publication of FR2238605B1 publication Critical patent/FR2238605B1/fr
Granted 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
    • B60G17/033—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
    • B60G2300/00—Indexing codes relating to the type of vehicle
    • B60G2300/02—Trucks; Load vehicles
    • B60G2300/026—Heavy duty trucks
    • 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
    • B60G2400/61—Load distribution
    • 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
    • B60G2500/202—Height or leveling valve for air-springs

Landscapes

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

Abstract

The pneumatic pressure applied to the suspension for the drive wheels of the second wheel axle is proportional to the load transported by the vehicle up to a predetermined max. load. On exceeding this load, the two pneumatic suspensions of the second and third axles are subjected to different pneumatic pressures, so that the pressure in the suspension of the drive wheels is constant and is proportional to the max. load while the pressure in the suspension of the third wheel axle is adapted to be proportional to the load which exceeds the max. load. In this way the load on the drive wheels is controlled to ensure their max. effectiveness to power the vehicle.
FR7424360A 1973-07-26 1974-07-12 Automatic load distributor for three-axle vehicle - has pneumatic pressure applied only to suspension for drive wheels of second axle Granted FR2238605A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2714873A IT992721B (en) 1973-07-26 1973-07-26 PROCEDURE AND RELATED PNEUMATIC SYSTEM TO AUTOMATICALLY DISTRIBUTE THE LOAD ON THE REAR WHEELS OF THREE-AXLE AND PNEUMATIC SUSPENSION VEHICLES

Publications (2)

Publication Number Publication Date
FR2238605A1 true FR2238605A1 (en) 1975-02-21
FR2238605B1 FR2238605B1 (en) 1978-03-24

Family

ID=11221050

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7424360A Granted FR2238605A1 (en) 1973-07-26 1974-07-12 Automatic load distributor for three-axle vehicle - has pneumatic pressure applied only to suspension for drive wheels of second axle

Country Status (3)

Country Link
DE (1) DE2435099A1 (en)
FR (1) FR2238605A1 (en)
IT (1) IT992721B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2329466A1 (en) * 1975-10-29 1977-05-27 Wabco Westinghouse Gmbh PRESSURE REGULATION VALVE
EP0065651A2 (en) * 1981-05-21 1982-12-01 WABCO Westinghouse Fahrzeugbremsen GmbH Control mechanism for an air-suspended vehicle
US4453736A (en) * 1982-09-13 1984-06-12 Wabco Fahrzeugbremsen Gmbh Control arrangement for a pneumatically cushioned vehicle
FR2627130A1 (en) * 1988-02-11 1989-08-18 Bosch Gmbh Robert Pneumatic suspension for vehicles with twin axles one of which is driven and the other of which is not driven, called a lifting axle
US9533540B2 (en) 2014-03-04 2017-01-03 Hendrickson Usa, L.L.C. Parking brake interlock for automatic lift axle
US10611206B2 (en) 2013-03-13 2020-04-07 Hendrickson Usa, L.L.C. Air suspension control system

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN146513B (en) * 1976-07-15 1979-06-23 Aspro Inc
DE2740264C2 (en) * 1977-09-07 1983-03-03 Daimler-Benz Ag, 7000 Stuttgart Control device for the air suspension of a non-driven wheel axle of a double axle assembly for commercial vehicles consisting of this wheel axle and a driven wheel axle
DE3106640A1 (en) * 1981-02-23 1982-09-09 Wabco Fahrzeugbremsen Gmbh, 3000 Hannover COMPRESSED AIR BRAKE SYSTEM FOR AIR SUSPENSED THREE- AND MULTI-AXLE ROAD VEHICLES
DE3428867A1 (en) * 1984-08-04 1986-02-13 Wabco Westinghouse Fahrzeugbremsen GmbH, 3000 Hannover AIR SPRING DEVICE FOR VEHICLES
DE3545222A1 (en) * 1985-12-20 1987-06-25 Bosch Gmbh Robert Starting aid for motor vehicles with air suspension
DE3628681A1 (en) * 1986-08-23 1988-03-03 Bosch Gmbh Robert Air suspension for vehicle with tandem axle
US6308793B1 (en) * 1999-03-22 2001-10-30 Alliedsignal Truck Brake Systems Co. Proportional load transfer valve for suspension control with 6×2 automatic traction control
US6523625B2 (en) 2000-12-20 2003-02-25 Bendix Commercial Vehicle Systems Llc 6×2 suspension control for automatic traction control

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2329466A1 (en) * 1975-10-29 1977-05-27 Wabco Westinghouse Gmbh PRESSURE REGULATION VALVE
EP0065651A2 (en) * 1981-05-21 1982-12-01 WABCO Westinghouse Fahrzeugbremsen GmbH Control mechanism for an air-suspended vehicle
EP0065651A3 (en) * 1981-05-21 1983-05-18 WABCO Westinghouse Fahrzeugbremsen GmbH Control mechanism for an air-suspended vehicle
US4453736A (en) * 1982-09-13 1984-06-12 Wabco Fahrzeugbremsen Gmbh Control arrangement for a pneumatically cushioned vehicle
FR2627130A1 (en) * 1988-02-11 1989-08-18 Bosch Gmbh Robert Pneumatic suspension for vehicles with twin axles one of which is driven and the other of which is not driven, called a lifting axle
US10611206B2 (en) 2013-03-13 2020-04-07 Hendrickson Usa, L.L.C. Air suspension control system
US9533540B2 (en) 2014-03-04 2017-01-03 Hendrickson Usa, L.L.C. Parking brake interlock for automatic lift axle

Also Published As

Publication number Publication date
IT992721B (en) 1975-09-30
FR2238605B1 (en) 1978-03-24
DE2435099A1 (en) 1975-02-06

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Legal Events

Date Code Title Description
ST Notification of lapse