DK167322B1 - Hydraulisk kredsloeb - Google Patents

Hydraulisk kredsloeb Download PDF

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Publication number
DK167322B1
DK167322B1 DK178891A DK178891A DK167322B1 DK 167322 B1 DK167322 B1 DK 167322B1 DK 178891 A DK178891 A DK 178891A DK 178891 A DK178891 A DK 178891A DK 167322 B1 DK167322 B1 DK 167322B1
Authority
DK
Denmark
Prior art keywords
pressure
cylinder
valve
working chamber
circuit
Prior art date
Application number
DK178891A
Other languages
Danish (da)
English (en)
Other versions
DK178891A (da
DK178891D0 (da
Inventor
Siegfried Zenker
Helge Joergensen
Thorkild Christensen
Original Assignee
Danfoss As
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 Danfoss As filed Critical Danfoss As
Publication of DK178891D0 publication Critical patent/DK178891D0/da
Priority to DK178891A priority Critical patent/DK167322B1/da
Priority to SE9202900A priority patent/SE507287C2/sv
Priority to JP4284431A priority patent/JPH05209423A/ja
Priority to US07/967,679 priority patent/US5323687A/en
Priority to DE4235762A priority patent/DE4235762C2/de
Priority to FR9212717A priority patent/FR2683867B1/fr
Priority to KR1019920019795A priority patent/KR950002980B1/ko
Priority to ITTO920871A priority patent/IT1257171B/it
Priority to GB9222601A priority patent/GB2261261B/en
Publication of DK178891A publication Critical patent/DK178891A/da
Application granted granted Critical
Publication of DK167322B1 publication Critical patent/DK167322B1/da

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
    • E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
    • E02F3/435—Control of dipper or bucket position; Control of sequence of drive operations for dipper-arms, backhoes or the like
    • E02F3/436—Control of dipper or bucket position; Control of sequence of drive operations for dipper-arms, backhoes or the like for keeping the dipper in the horizontal position, e.g. self-levelling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/20—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
DK178891A 1991-10-28 1991-10-28 Hydraulisk kredsloeb DK167322B1 (da)

Priority Applications (9)

Application Number Priority Date Filing Date Title
DK178891A DK167322B1 (da) 1991-10-28 1991-10-28 Hydraulisk kredsloeb
SE9202900A SE507287C2 (sv) 1991-10-28 1992-10-05 Hydraulisk kopplingskrets
JP4284431A JPH05209423A (ja) 1991-10-28 1992-10-22 油圧回路
DE4235762A DE4235762C2 (de) 1991-10-28 1992-10-23 Hydraulische Schaltung
US07/967,679 US5323687A (en) 1991-10-28 1992-10-23 Hydraulic circuit
FR9212717A FR2683867B1 (fr) 1991-10-28 1992-10-26 Circuit hydraulique pour le fonctionnement synchrone de deux verins double effet, notamment pour chargeuse pelleteuse.
KR1019920019795A KR950002980B1 (ko) 1991-10-28 1992-10-27 유압 회로
ITTO920871A IT1257171B (it) 1991-10-28 1992-10-27 Comando idraulico
GB9222601A GB2261261B (en) 1991-10-28 1992-10-27 Hydraulic circuit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK178891A DK167322B1 (da) 1991-10-28 1991-10-28 Hydraulisk kredsloeb
DK178891 1991-10-28

Publications (3)

Publication Number Publication Date
DK178891D0 DK178891D0 (da) 1991-10-28
DK178891A DK178891A (da) 1993-04-29
DK167322B1 true DK167322B1 (da) 1993-10-11

Family

ID=8108063

Family Applications (1)

Application Number Title Priority Date Filing Date
DK178891A DK167322B1 (da) 1991-10-28 1991-10-28 Hydraulisk kredsloeb

Country Status (9)

Country Link
US (1) US5323687A (sv)
JP (1) JPH05209423A (sv)
KR (1) KR950002980B1 (sv)
DE (1) DE4235762C2 (sv)
DK (1) DK167322B1 (sv)
FR (1) FR2683867B1 (sv)
GB (1) GB2261261B (sv)
IT (1) IT1257171B (sv)
SE (1) SE507287C2 (sv)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0174397B1 (ko) * 1996-05-30 1999-04-15 토니헬샴 로우더의 엔진/펌프 제어장치
DE19640100B4 (de) * 1996-09-28 2005-07-14 Sauer-Danfoss Holding Aps Hydraulisches System
JP3923242B2 (ja) * 2000-07-14 2007-05-30 株式会社小松製作所 油圧駆動機械のアクチュエータ制御装置
JP4562948B2 (ja) * 2001-05-17 2010-10-13 日立建機株式会社 油圧駆動装置
DE10216958B8 (de) * 2002-04-17 2004-07-08 Sauer-Danfoss (Nordborg) A/S Hydraulische Steuerung
WO2004005727A1 (ja) * 2002-07-09 2004-01-15 Hitachi Construction Machinery Co., Ltd. 油圧駆動装置
US20040129648A1 (en) * 2002-07-23 2004-07-08 Manesis Nick J. Antimicrobial matrix and method of use
AT412113B (de) * 2002-10-02 2004-09-27 Hoerbiger Hydraulik Hyraulische betätigungsanordnung
JP4410512B2 (ja) 2003-08-08 2010-02-03 日立建機株式会社 油圧駆動装置
US7047735B2 (en) * 2004-07-30 2006-05-23 Deere & Company Increasing hydraulic flow to tractor attachments
JP4766950B2 (ja) * 2005-08-11 2011-09-07 日立建機株式会社 作業機械の油圧駆動装置
DE102009028816A1 (de) * 2009-08-21 2011-02-24 Deere & Company, Moline Hydraulische Anordnung
CN102464096B (zh) * 2010-11-07 2014-05-07 中国石化集团胜利石油管理局井下作业公司 一种用于海上井口平台防撞击保护的重大安全装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE371259B (sv) * 1972-10-05 1974-11-11 Tico Ab
DE2457451A1 (de) * 1974-12-05 1976-06-10 Bosch Gmbh Robert Hydraulische steuereinrichtung
US4179981A (en) * 1975-10-30 1979-12-25 Poclain Device for sequentially supplying several hydraulic motors
US3982469A (en) * 1976-01-23 1976-09-28 Caterpillar Tractor Co. Apparatus for controlling work element operating pressures in a fluid system
DE2749312C2 (de) * 1977-11-04 1984-12-20 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Steuereinrichtung mit Nachsetzautomatik für einen hydraulischen Stempelausbau
US4280783A (en) * 1979-04-10 1981-07-28 Hayward John A D Lost motion linkage assembly for a front loader
JPS5635806A (en) * 1979-09-01 1981-04-08 Sanyo Kiki Kk Compound oil pressure circuit
WO1981000742A1 (en) * 1979-09-17 1981-03-19 Caterpillar Tractor Co Controlled pressure upstaging and flow reduction
JPS5923813U (ja) * 1982-07-31 1984-02-14 株式会社クリスロン オ−トマチツクトランスミツシヨンの操縦ハンドル
JPS6023529A (ja) * 1983-07-20 1985-02-06 Sumitomo Heavy Ind Ltd 油圧シヨベルの油圧回路
JPS6229569A (ja) * 1985-07-30 1987-02-07 Ajinomoto Co Inc トランス−環状イミノ酸誘導体の製造方法
CA1334996C (en) * 1987-04-03 1995-03-28 Toshio Ishiguro Control system for working machine having boom
US4825748A (en) * 1987-07-02 1989-05-02 Parker-Hannifin Corporation Hydraulic actuator synchronization apparatus and system
JPH0749666B2 (ja) * 1987-11-18 1995-05-31 三陽機器株式会社 農業機械トラクター用ローダのアタッチメントを平行移動させ得る油圧駆動装置
US4923362A (en) * 1988-06-06 1990-05-08 Deere & Company Bucket leveling system with dual fluid supply
DE4005967C2 (de) * 1990-02-26 1996-05-09 Rexroth Mannesmann Gmbh Steueranordnung für mehrere hydraulische Verbraucher

Also Published As

Publication number Publication date
ITTO920871A1 (it) 1994-04-27
IT1257171B (it) 1996-01-05
GB2261261B (en) 1995-09-06
KR930008318A (ko) 1993-05-21
US5323687A (en) 1994-06-28
JPH05209423A (ja) 1993-08-20
DE4235762A1 (de) 1993-04-29
SE507287C2 (sv) 1998-05-04
SE9202900L (sv) 1993-04-29
KR950002980B1 (ko) 1995-03-29
DE4235762C2 (de) 1994-09-01
DK178891A (da) 1993-04-29
SE9202900D0 (sv) 1992-10-05
GB2261261A (en) 1993-05-12
GB9222601D0 (en) 1992-12-09
ITTO920871A0 (it) 1992-10-27
FR2683867B1 (fr) 1995-11-17
DK178891D0 (da) 1991-10-28
FR2683867A1 (fr) 1993-05-21

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Legal Events

Date Code Title Description
B1 Patent granted (law 1993)
PBP Patent lapsed