BR0100538B1 - retroescavadeira, e, sistema hidrÁulico para amortecer as altas forÇas de inÉrcia geradas por uma massa sendo acionada por um motor hidrÁulico. - Google Patents

retroescavadeira, e, sistema hidrÁulico para amortecer as altas forÇas de inÉrcia geradas por uma massa sendo acionada por um motor hidrÁulico.

Info

Publication number
BR0100538B1
BR0100538B1 BRPI0100538-3A BR0100538A BR0100538B1 BR 0100538 B1 BR0100538 B1 BR 0100538B1 BR 0100538 A BR0100538 A BR 0100538A BR 0100538 B1 BR0100538 B1 BR 0100538B1
Authority
BR
Brazil
Prior art keywords
backhoe
cushion
mass
driven
forces generated
Prior art date
Application number
BRPI0100538-3A
Other languages
English (en)
Other versions
BR0100538A (pt
Inventor
Richard John Gitter
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 filed Critical
Publication of BR0100538A publication Critical patent/BR0100538A/pt
Publication of BR0100538B1 publication Critical patent/BR0100538B1/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
    • E02F9/226—Safety arrangements, e.g. hydraulic driven fans, preventing cavitation, leakage, overheating
    • 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
    • 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
    • E02F9/2278—Hydraulic circuits
    • E02F9/2296—Systems with a variable displacement pump

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
  • Shovels (AREA)
BRPI0100538-3A 2000-02-18 2001-02-14 retroescavadeira, e, sistema hidrÁulico para amortecer as altas forÇas de inÉrcia geradas por uma massa sendo acionada por um motor hidrÁulico. BR0100538B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/507,350 US6422804B1 (en) 2000-02-18 2000-02-18 Inertia load dampening hydraulic system

Publications (2)

Publication Number Publication Date
BR0100538A BR0100538A (pt) 2001-10-09
BR0100538B1 true BR0100538B1 (pt) 2008-11-18

Family

ID=24018298

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0100538-3A BR0100538B1 (pt) 2000-02-18 2001-02-14 retroescavadeira, e, sistema hidrÁulico para amortecer as altas forÇas de inÉrcia geradas por uma massa sendo acionada por um motor hidrÁulico.

Country Status (6)

Country Link
US (1) US6422804B1 (pt)
EP (1) EP1126088B1 (pt)
JP (1) JP3663137B2 (pt)
BR (1) BR0100538B1 (pt)
CA (1) CA2323119C (pt)
DE (1) DE60105865T2 (pt)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7090475B2 (en) * 2000-02-17 2006-08-15 Mannesmann Rexroth Ag Hydraulic control circuit for a hydraulic engine with at least two speeds
ES2244517T3 (es) * 2000-07-08 2005-12-16 Bosch Rexroth Ag Disposicion hidraulica de mano para alimentar con medio de presion preferiblemente varios receptores hidraulicos.
DE10330344A1 (de) * 2003-07-05 2005-02-24 Deere & Company, Moline Hydraulische Federung
ES2289436T3 (es) 2003-07-05 2008-02-01 DEERE & COMPANY Suspension hidraulica.
US7856819B2 (en) 2005-05-27 2010-12-28 Volvo Compact Equipment Sas Hydraulic circuit for a public works vehicle and vehicle comprising one such circuit
US7278262B2 (en) * 2005-06-03 2007-10-09 Board Of Control Of Michigan Technological University Control system for suppression of boom or arm oscillation
DE102005039251A1 (de) * 2005-08-19 2007-02-22 Deere & Company, Moline Ladegerät
US9109345B2 (en) * 2009-03-06 2015-08-18 Komatsu Ltd. Construction machine, method for controlling construction machine, and program for causing computer to execute the method
CN103276762B (zh) * 2013-05-28 2016-03-30 常熟华威履带有限公司 一种改善斗杆吸空的结构及液压挖掘机
CN103437387B (zh) * 2013-08-21 2015-11-04 徐工集团工程机械股份有限公司科技分公司 装载机用智能稳定分流型油源再生系统
CN104278703B (zh) * 2014-09-28 2017-01-11 中外合资沃得重工（中国）有限公司 挖掘机动臂减震液压控制装置
CN104805877B (zh) * 2015-03-30 2018-03-06 徐州徐工挖掘机械有限公司 一种超大吨位反铲挖掘机斗杆回收的流量控制系统
CN105297823B (zh) * 2015-11-12 2017-09-15 中车沈阳机车车辆有限公司 挖掘机控制系统及挖掘机
US10858799B2 (en) 2019-01-29 2020-12-08 Cnh Industrial America Llc Tool stabilizer system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3815766A (en) * 1970-05-04 1974-06-11 Int Harvester Co Backhoe swing mechanism
US4344733A (en) * 1979-09-17 1982-08-17 J. I. Case Company Hydraulic control circuit for decelerating a swinging backhoe
US4419640A (en) * 1979-12-17 1983-12-06 Omron Tateisi Electronics Co. Unitary contact-terminal blades integrally formed in a molded base
EP0063025A1 (en) * 1981-04-06 1982-10-20 Ruston-Bucyrus Limited Hydraulic control circuit for an hydraulic ram
JP2765718B2 (ja) * 1989-02-14 1998-06-18 東芝機械株式会社 油圧回路
JP2600009B2 (ja) * 1990-04-25 1997-04-16 株式会社神戸製鋼所 クレーンの旋回制御装置
JPH0771412A (ja) * 1993-09-03 1995-03-17 Kubota Corp 作業車の油圧アクチュエータ操作構造
JPH09317879A (ja) * 1996-05-27 1997-12-12 Komatsu Ltd 油圧駆動装置の背圧制御回路

Also Published As

Publication number Publication date
US6422804B1 (en) 2002-07-23
EP1126088A2 (en) 2001-08-22
CA2323119A1 (en) 2001-08-18
CA2323119C (en) 2004-03-16
JP3663137B2 (ja) 2005-06-22
JP2001279723A (ja) 2001-10-10
DE60105865T2 (de) 2005-03-03
BR0100538A (pt) 2001-10-09
DE60105865D1 (de) 2004-11-04
EP1126088A3 (en) 2002-07-31
EP1126088B1 (en) 2004-09-29

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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 [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 14/02/2001, OBSERVADAS AS CONDICOES LEGAIS.

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

Free format text: REFERENTE A 17A ANUIDADE.

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