FR2578590B1 - Dispositif a soupapes de commande, comportant deux blocs de commande, pour plusieurs mecanismes hydrauliques, en particulier ceux d'appareils mobiles - Google Patents

Dispositif a soupapes de commande, comportant deux blocs de commande, pour plusieurs mecanismes hydrauliques, en particulier ceux d'appareils mobiles

Info

Publication number
FR2578590B1
FR2578590B1 FR868603138A FR8603138A FR2578590B1 FR 2578590 B1 FR2578590 B1 FR 2578590B1 FR 868603138 A FR868603138 A FR 868603138A FR 8603138 A FR8603138 A FR 8603138A FR 2578590 B1 FR2578590 B1 FR 2578590B1
Authority
FR
France
Prior art keywords
mobile devices
valve device
particularly those
control valve
several hydraulic
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.)
Expired - Lifetime
Application number
FR868603138A
Other languages
English (en)
Other versions
FR2578590A1 (fr
Inventor
Herbert Blendinger
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.)
Bosch Rexroth AG
Original Assignee
Mannesmann Rexroth AG
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 Mannesmann Rexroth AG filed Critical Mannesmann Rexroth AG
Publication of FR2578590A1 publication Critical patent/FR2578590A1/fr
Application granted granted Critical
Publication of FR2578590B1 publication Critical patent/FR2578590B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • E02F9/2221—Control of flow rate; Load sensing arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
FR868603138A 1985-03-08 1986-03-06 Dispositif a soupapes de commande, comportant deux blocs de commande, pour plusieurs mecanismes hydrauliques, en particulier ceux d'appareils mobiles Expired - Lifetime FR2578590B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853508339 DE3508339A1 (de) 1985-03-08 1985-03-08 Aus zwei steuerbloecken bestehende steuerventileinrichtung fuer mehrere hydraulische antriebe, insbesondere von mobilgeraeten

Publications (2)

Publication Number Publication Date
FR2578590A1 FR2578590A1 (fr) 1986-09-12
FR2578590B1 true FR2578590B1 (fr) 1990-01-19

Family

ID=6264652

Family Applications (1)

Application Number Title Priority Date Filing Date
FR868603138A Expired - Lifetime FR2578590B1 (fr) 1985-03-08 1986-03-06 Dispositif a soupapes de commande, comportant deux blocs de commande, pour plusieurs mecanismes hydrauliques, en particulier ceux d'appareils mobiles

Country Status (3)

Country Link
DE (1) DE3508339A1 (fr)
FR (1) FR2578590B1 (fr)
IT (1) IT1204123B (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH076530B2 (ja) * 1986-09-27 1995-01-30 日立建機株式会社 油圧ショベルの油圧回路
DE3728207A1 (de) * 1987-08-24 1989-03-09 Rexroth Mannesmann Gmbh Ventilanordnung fuer zwei von einem gemeinsamen antrieb angetriebene leistungsgeregelte pumpen
DE3805287C2 (de) * 1988-02-19 1995-02-09 Rexroth Mannesmann Gmbh Ventilanordnung für mindestens einen von einer Pumpe mit veränderlichem Fördervolumen gespeisten hydraulischen Verbraucher
DE3901207C2 (de) * 1989-01-17 1994-06-23 Rexroth Mannesmann Gmbh Ventilanordnung für mehrere hydraulische Antriebe, insbesondere für die Antriebe eines Krans
DE3901349A1 (de) * 1989-01-18 1990-07-19 Rexroth Mannesmann Gmbh Ventilanordnung fuer mehrere hydraulische verbraucher
DE3901350A1 (de) * 1989-01-18 1990-07-19 Rexroth Mannesmann Gmbh Druckwaage fuer ein wegeventil
DE3919640C2 (de) * 1989-06-16 1996-10-02 Rexroth Mannesmann Gmbh Steuerventileinrichtung mit zwei Steuerblöcken und Pumpensteuerung für mehrere hydraulische Antriebe
DE4111500C2 (de) * 1991-04-09 1997-04-10 Rexroth Mannesmann Gmbh Verfahren und Vorrichtung zur Leistungsbegrenzung einer hydraulischen Maschine
DE4137963C2 (de) * 1991-10-30 1995-03-23 Rexroth Mannesmann Gmbh Ventilanordnung zur lastunabhängigen Steuerung mehrerer hydraulischer Verbraucher
DE19652922C2 (de) * 1996-12-19 1999-07-29 O & K Mining Gmbh Hydraulikschaltung für einen Hydraulikbagger
US5940997A (en) * 1997-09-05 1999-08-24 Hitachi Construction Machinery Co., Ltd. Hydraulic circuit system for hydraulic working machine
JP3777114B2 (ja) * 2001-11-05 2006-05-24 日立建機株式会社 油圧作業機の油圧回路装置
DE10238614A1 (de) * 2002-08-17 2004-02-26 Claas Selbstfahrende Erntemaschinen Gmbh Ölvolumenausgleich im Ölkreislauf des hydraulischen Fahrantriebes einer selbstfahrenden Arbeitsmaschine
DE102004025928A1 (de) * 2004-05-27 2005-12-22 Franz Xaver Meiller Fahrzeug- Und Maschinenfabrik - Gmbh & Co Kg Steuereinrichtung zur Steuerung einer hydraulischen Antriebseinrichtung eines Lastenbewegungsgerätes, insbesondere einer Schwenkarmanordnung als Hubgerät für Wechselbehälter auf einem Lastentransportfahrzeug
DE202007005232U1 (de) 2007-04-11 2008-08-14 Liebherr Mining Equipment Co. Kipplaster
CN102094858A (zh) * 2011-01-18 2011-06-15 上海三一科技有限公司 一种可提供多种流量工况的变量双泵液压***
CN105271070B (zh) * 2015-08-07 2018-06-05 林德（中国）叉车有限公司 一种叉车液压节能控制***及降低叉车工作能耗的方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1250219B (de) * 1967-09-14 Ludwig Rexroth I ohr/M Vorrich tung zum Parallelschalten zweier Pumpen
US3998053A (en) * 1976-03-15 1976-12-21 Caterpillar Tractor Co. Three-pump - three-circuit fluid system of a work vehicle having controlled fluid-combining means
US4087968A (en) * 1977-04-28 1978-05-09 Caterpillar Tractor Co. Flow control valve for combining two dissimilar independent systems to a common pressure source

Also Published As

Publication number Publication date
IT1204123B (it) 1989-03-01
DE3508339A1 (de) 1986-09-11
DE3508339C2 (fr) 1988-01-21
IT8603352A0 (it) 1986-03-07
FR2578590A1 (fr) 1986-09-12

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Legal Events

Date Code Title Description
ST Notification of lapse