BR9813231A - Sistema de suspensão de carga - Google Patents

Sistema de suspensão de carga

Info

Publication number
BR9813231A
BR9813231A BR9813231-8A BR9813231A BR9813231A BR 9813231 A BR9813231 A BR 9813231A BR 9813231 A BR9813231 A BR 9813231A BR 9813231 A BR9813231 A BR 9813231A
Authority
BR
Brazil
Prior art keywords
cylinder
suspension system
load suspension
load
space
Prior art date
Application number
BR9813231-8A
Other languages
English (en)
Portuguese (pt)
Inventor
Bo Vigholm
Original Assignee
Volvo Weel Loaders Ab
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 Volvo Weel Loaders Ab filed Critical Volvo Weel Loaders Ab
Publication of BR9813231A publication Critical patent/BR9813231A/pt

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2217—Hydraulic or pneumatic drives with energy recovery arrangements, e.g. using accumulators, flywheels
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
    • E02F9/2207—Arrangements for controlling the attitude of actuators, e.g. speed, floating function for reducing or compensating oscillations

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
BR9813231-8A 1997-09-30 1998-09-25 Sistema de suspensão de carga BR9813231A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9703539A SE511039C2 (sv) 1997-09-30 1997-09-30 Lastarmsfjädringssystem för dämpning av lastarmarsrörelse
PCT/SE1998/001723 WO1999016981A1 (en) 1997-09-30 1998-09-25 Load suspension system

Publications (1)

Publication Number Publication Date
BR9813231A true BR9813231A (pt) 2000-08-29

Family

ID=20408436

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9813231-8A BR9813231A (pt) 1997-09-30 1998-09-25 Sistema de suspensão de carga

Country Status (10)

Country Link
US (1) US6279316B1 (https=)
EP (1) EP1027503B1 (https=)
JP (1) JP4031906B2 (https=)
KR (1) KR100605300B1 (https=)
AU (1) AU9291298A (https=)
BR (1) BR9813231A (https=)
DE (1) DE69841436D1 (https=)
NO (1) NO20001507D0 (https=)
SE (1) SE511039C2 (https=)
WO (1) WO1999016981A1 (https=)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19913784A1 (de) * 1999-03-26 2000-09-28 Mannesmann Rexroth Ag Lastfühlende hydraulische Steueranordnung für eine mobile Arbeitsmaschine
US6634653B2 (en) * 2001-07-17 2003-10-21 Probir Chatterjea & Associates, Inc. Ride control system for construction equipment
DE10148962C1 (de) * 2001-10-04 2003-02-27 Hydac Technology Gmbh Steuervorrichtung
US6655136B2 (en) * 2001-12-21 2003-12-02 Caterpillar Inc System and method for accumulating hydraulic fluid
DE10305790A1 (de) * 2003-02-07 2004-08-26 Hydac System Gmbh Federungsvorrichtung
DE102004010053A1 (de) * 2004-03-02 2005-09-29 Hydac System Gmbh Federungsvorrichtung
US20070068754A1 (en) * 2005-09-26 2007-03-29 Furgala George W Gas-biased hydraulic cylinder
CN101861436B (zh) * 2007-11-21 2012-10-24 沃尔沃建筑设备公司 系统、包括该系统的工程机械及运输期间弹性支承工程机械的器具的方法
US9115702B2 (en) * 2010-08-09 2015-08-25 Parker Hannifin Manufacturing Sweden Ab Hydraulic control system
EP2694747B1 (en) 2011-04-08 2018-03-14 Volvo Construction Equipment AB Arrangement for charging an accumulator
DE102014000696A1 (de) * 2014-01-14 2015-07-16 Hydac System Gmbh Vorrichtung zum Sperren und zum Druckanpassen
WO2017030476A1 (en) 2015-08-19 2017-02-23 Volvo Construction Equipment Ab A hydraulic system and a method for moving an implement of a working machine
US11781573B2 (en) 2020-07-23 2023-10-10 Parker-Hannifin Corporation System, valve assembly, and methods for oscillation control of a hydraulic machine

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3122246A (en) 1960-11-09 1964-02-25 Caterpillar Tractor Co Hydraulic circuit for tractor mounted loaders
US4046270A (en) 1974-06-06 1977-09-06 Marion Power Shovel Company, Inc. Power shovel and crowd system therefor
US4085587A (en) 1975-11-03 1978-04-25 Leslie H. Garlinghouse Fail safe liquid power device
IT1073144B (it) 1976-10-28 1985-04-13 Welko Ind Spa Apparecchiatura idraulica per l'alimentazione di liquido a due differenti pressioni ad un dispositivo idraulico
JPS58121305A (ja) 1982-01-11 1983-07-19 Kobe Steel Ltd 油圧シリンダの伸縮保持用油圧回路
US4738101A (en) 1985-10-11 1988-04-19 Kubik Philip A Fluid system having a hydraulic counterbalance system
WO1990005814A1 (en) 1988-11-23 1990-05-31 A & T Hansson Konsult Ab Shock absorbing device for a mobile machine
DE3909205C1 (https=) * 1989-03-21 1990-05-23 Hanomag Ag, 3000 Hannover, De
US5195864A (en) * 1991-08-28 1993-03-23 Case Corporation Hydraulic system for a wheel loader
US5147172A (en) 1991-09-03 1992-09-15 Caterpillar Inc. Automatic ride control
DE4129509C2 (de) 1991-09-05 1994-06-16 Rexroth Mannesmann Gmbh Hydraulische Steueranordnung für Baumaschinen
CZ279137B6 (cs) * 1991-12-04 1995-01-18 František Ing. Krňávek Zařízení pro rekuperaci polohové energie praco vního zařízení stavebního, nebo zemního stroje
US5520499A (en) 1994-07-12 1996-05-28 Caterpillar Inc. Programmable ride control
SE9503860D0 (sv) 1995-11-01 1995-11-01 Alf Wincent Arrangemang för förbättrad dämpning och reglerbart flytläge på lastmaskiner
DE19608758A1 (de) * 1996-03-07 1997-09-11 Rexroth Mannesmann Gmbh Hydraulische Ventilanordnung
US5733095A (en) 1996-10-01 1998-03-31 Caterpillar Inc. Ride control system

Also Published As

Publication number Publication date
JP2001518582A (ja) 2001-10-16
DE69841436D1 (de) 2010-02-25
JP4031906B2 (ja) 2008-01-09
NO20001507L (no) 2000-03-23
AU9291298A (en) 1999-04-23
WO1999016981A1 (en) 1999-04-08
EP1027503A1 (en) 2000-08-16
KR20010030795A (ko) 2001-04-16
SE9703539D0 (sv) 1997-09-30
US6279316B1 (en) 2001-08-28
KR100605300B1 (ko) 2006-07-26
NO20001507D0 (no) 2000-03-23
EP1027503B1 (en) 2010-01-06
SE511039C2 (sv) 1999-07-26
SE9703539L (sv) 1999-03-31

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Legal Events

Date Code Title Description
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 25/09/1998, OBSERVADAS AS CONDICOES LEGAIS.

B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 12A E 13A ANUIDADES.

B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
B24F Patent annual fee: publication cancelled

Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2257 DE 08/04/2014 POR TER SIDO INDEVIDA.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AS 12A E 13A ANUIDADES.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2606 DE 15-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.