WO2012140672A3 - Lift axle control valve assembly for a motor vehicle - Google Patents

Lift axle control valve assembly for a motor vehicle Download PDF

Info

Publication number
WO2012140672A3
WO2012140672A3 PCT/IN2012/000257 IN2012000257W WO2012140672A3 WO 2012140672 A3 WO2012140672 A3 WO 2012140672A3 IN 2012000257 W IN2012000257 W IN 2012000257W WO 2012140672 A3 WO2012140672 A3 WO 2012140672A3
Authority
WO
WIPO (PCT)
Prior art keywords
valve
lift axle
valve assembly
control valve
axle control
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/IN2012/000257
Other languages
French (fr)
Other versions
WO2012140672A2 (en
Inventor
Sundaramahalingam Selvamani
Narayanan Sreenivasan
Arumugham Ganesamoorthy
Sahul Hameed Thameesdeen
Babu Veeramuthu
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.)
ZF Commercial Vehicle Control Systems India Ltd
Original Assignee
Wabco India Ltd
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 Wabco India Ltd filed Critical Wabco India Ltd
Priority to BR112013026059-9A priority Critical patent/BR112013026059B1/en
Publication of WO2012140672A2 publication Critical patent/WO2012140672A2/en
Publication of WO2012140672A3 publication Critical patent/WO2012140672A3/en
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
    • B60G17/02—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
    • B60G17/0526—Distributor units, e.g. for retractable wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/47—Means for retracting the suspension
    • B60G2204/4702—Means for retracting the suspension pneumatically
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
  • Electrically Driven Valve-Operating Means (AREA)

Abstract

A lift axle control valve assembly (1) for a lift axle suspension system comprises: a pneumatic spool valve (4) for adjusting the air volume of at least a suspension bellow (14) and a lift bellow (16), a pressure differential valve (9) for controlling said spool valve (4), an electrically actuated pneumatic valve device (7, 8) for receiving at least one electric control signal (SI, S2) and controlling said pressure differential valve (9), and a relay valve (10) controlled by said pneumatic spool valve (4), wherein said lift axle control valve assembly (1) comprises a multilayer construction with at least two valve levels and at least two layers comprising air passages (11a,11b, 11c, 11d, 11e, 11f, 11g, 11h, 11k) for conducting air, wherein said valve levels are separated by at least two layers, wherein said valves are positioned in said valve levels an connected with each other by said air passages (11) of said layers.
PCT/IN2012/000257 2011-04-12 2012-04-10 Lift axle control valve assembly for a motor vehicle Ceased WO2012140672A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR112013026059-9A BR112013026059B1 (en) 2011-04-12 2012-04-10 lift shaft control valve set and lift shaft suspension control system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN1272CH2011 2011-04-12
IN1272/CHE/2011 2011-04-12

Publications (2)

Publication Number Publication Date
WO2012140672A2 WO2012140672A2 (en) 2012-10-18
WO2012140672A3 true WO2012140672A3 (en) 2013-01-10

Family

ID=47009776

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IN2012/000257 Ceased WO2012140672A2 (en) 2011-04-12 2012-04-10 Lift axle control valve assembly for a motor vehicle

Country Status (2)

Country Link
BR (1) BR112013026059B1 (en)
WO (1) WO2012140672A2 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014181160A1 (en) 2013-05-10 2014-11-13 Wabco India Limited Lift axle control unit for a motor vehicle
WO2015079292A1 (en) 2013-11-27 2015-06-04 Wabco India Limited Lift axle control module for a motor vehicle
WO2015139299A1 (en) * 2014-03-21 2015-09-24 吴江川 Wheel lifting apparatus and pipeline assembly for control thereof
JP6760940B2 (en) 2014-12-16 2020-09-23 エイ・ケイ・ティ・ブイ・８・リミテッド・ライアビリティ・カンパニーＡｋｔｖ８ Ｌｌｃ Electronically controlled vehicle suspension system and its manufacturing method
US10675936B2 (en) 2014-12-16 2020-06-09 Atv8 Llc System and method for vehicle stabilization
US10160278B2 (en) 2014-12-16 2018-12-25 Aktv8 LLC System and method for vehicle stabilization
US10870325B2 (en) 2014-12-16 2020-12-22 Aktv8 LLC System and method for vehicle stabilization
CN104827848B (en) * 2015-04-21 2017-04-12 金龙联合汽车工业（苏州）有限公司 Three-axle carriage air suspension air channel control system
WO2018049433A2 (en) 2016-09-06 2018-03-15 Aktv8 LLC Tire management system and method
CN110293807A (en) * 2018-03-23 2019-10-01 威伯科印度有限公司 Lift bridge control unit for a lift bridge suspension system of a vehicle
DE102023100869A1 (en) * 2023-01-16 2024-07-18 Zf Cv Systems Europe Bv Valve distributor arrangement for air distribution in an air suspension of a trailer or semitrailer of a commercial vehicle

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0170794A2 (en) * 1984-08-04 1986-02-12 WABCO Westinghouse Fahrzeugbremsen GmbH Air spring device for vehicles
US5466007A (en) * 1991-09-13 1995-11-14 Dunlop Limited Vehicle suspension system
US20020117823A1 (en) * 2001-02-28 2002-08-29 Mlsna Alexander M. Lift axle control system
CN1882446A (en) * 2003-11-19 2006-12-20 威伯科有限合伙公司 Air suspension device for vehicle
CN1922044A (en) * 2003-11-19 2007-02-28 威伯科有限合伙公司 Valve device for a pneumatic suspension unit of a vehicle
WO2008101627A1 (en) * 2007-02-19 2008-08-28 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Pneumatic suspension unit comprising control valves that are exclusively actuated by a pressure-medium

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0170794A2 (en) * 1984-08-04 1986-02-12 WABCO Westinghouse Fahrzeugbremsen GmbH Air spring device for vehicles
US5466007A (en) * 1991-09-13 1995-11-14 Dunlop Limited Vehicle suspension system
US20020117823A1 (en) * 2001-02-28 2002-08-29 Mlsna Alexander M. Lift axle control system
CN1882446A (en) * 2003-11-19 2006-12-20 威伯科有限合伙公司 Air suspension device for vehicle
CN1922044A (en) * 2003-11-19 2007-02-28 威伯科有限合伙公司 Valve device for a pneumatic suspension unit of a vehicle
WO2008101627A1 (en) * 2007-02-19 2008-08-28 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Pneumatic suspension unit comprising control valves that are exclusively actuated by a pressure-medium

Also Published As

Publication number Publication date
WO2012140672A2 (en) 2012-10-18
BR112013026059B1 (en) 2021-03-02
BR112013026059A2 (en) 2019-02-26

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