DE3334094C2 - - Google Patents

Info

Publication number
DE3334094C2
DE3334094C2 DE3334094A DE3334094A DE3334094C2 DE 3334094 C2 DE3334094 C2 DE 3334094C2 DE 3334094 A DE3334094 A DE 3334094A DE 3334094 A DE3334094 A DE 3334094A DE 3334094 C2 DE3334094 C2 DE 3334094C2
Authority
DE
Germany
Prior art keywords
control
valve
chamber
throttle
pressure
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
DE3334094A
Other languages
German (de)
English (en)
Other versions
DE3334094A1 (de
Inventor
Guenther 7141 Moeglingen De Schwerin
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to DE19833334094 priority Critical patent/DE3334094A1/de
Priority to GB08418731A priority patent/GB2147053B/en
Priority to IT22704/84A priority patent/IT1178513B/it
Publication of DE3334094A1 publication Critical patent/DE3334094A1/de
Application granted granted Critical
Publication of DE3334094C2 publication Critical patent/DE3334094C2/de
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B63/00—Lifting or adjusting devices or arrangements for agricultural machines or implements
    • A01B63/02—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors
    • A01B63/10—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means
    • A01B63/111—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means regulating working depth of implements
    • A01B63/112—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means regulating working depth of implements to control draught load, i.e. tractive force
    • 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
    • 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
    • F15B11/161—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
    • F15B11/162—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load for giving priority to particular servomotors or users
    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/022—Flow-dividers; Priority valves
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30505—Non-return valves, i.e. check valves
    • F15B2211/30515—Load holding valves
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
    • F15B2211/3053—In combination with a pressure compensating valve
    • F15B2211/30535—In combination with a pressure compensating valve the pressure compensating valve is arranged between pressure source and directional control valve
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051—Linear output members
    • F15B2211/7052—Single-acting output members
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
    • F15B2211/7142—Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being arranged in multiple groups

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
DE19833334094 1983-09-21 1983-09-21 Hydraulische steuereinrichtung Granted DE3334094A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19833334094 DE3334094A1 (de) 1983-09-21 1983-09-21 Hydraulische steuereinrichtung
GB08418731A GB2147053B (en) 1983-09-21 1984-07-23 Hydraulic control system
IT22704/84A IT1178513B (it) 1983-09-21 1984-09-18 Dispositivo idraulico di comando

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833334094 DE3334094A1 (de) 1983-09-21 1983-09-21 Hydraulische steuereinrichtung

Publications (2)

Publication Number Publication Date
DE3334094A1 DE3334094A1 (de) 1985-04-18
DE3334094C2 true DE3334094C2 (enrdf_load_stackoverflow) 1991-03-07

Family

ID=6209670

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19833334094 Granted DE3334094A1 (de) 1983-09-21 1983-09-21 Hydraulische steuereinrichtung

Country Status (3)

Country Link
DE (1) DE3334094A1 (enrdf_load_stackoverflow)
GB (1) GB2147053B (enrdf_load_stackoverflow)
IT (1) IT1178513B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4223389A1 (de) * 1992-07-16 1994-01-20 Rexroth Mannesmann Gmbh Steueranordnung für mindestens einen hydraulischen Verbraucher

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3639174C2 (de) * 1986-11-15 1998-02-05 Bosch Gmbh Robert Hydraulische Steuereinrichtung
CN103089725B (zh) * 2011-10-27 2015-04-08 泊姆克(天津)液压有限公司 一种二通插装式振动阀及电液控制单元
CN104482248B (zh) * 2014-11-03 2017-05-10 济南数锐电子科技有限公司 液控换向阀

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3025949A1 (de) * 1980-07-09 1982-02-04 Robert Bosch Gmbh, 7000 Stuttgart Steuereinrichtung fuer ein hydraulisches arbeitsgeraet
DE3102505A1 (de) * 1981-01-27 1982-08-19 Robert Bosch Gmbh, 7000 Stuttgart "steuereinrichtung fuer ein hydraulisches arbeitsgeraet"
DE3318052A1 (de) * 1982-12-30 1984-07-05 Robert Bosch Gmbh, 7000 Stuttgart Hydraulische steuereinrichtung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4223389A1 (de) * 1992-07-16 1994-01-20 Rexroth Mannesmann Gmbh Steueranordnung für mindestens einen hydraulischen Verbraucher
DE4223389C2 (de) * 1992-07-16 2001-01-04 Mannesmann Rexroth Ag Steueranordnung für mindestens einen hydraulischen Verbraucher

Also Published As

Publication number Publication date
GB8418731D0 (en) 1984-08-30
GB2147053A (en) 1985-05-01
GB2147053B (en) 1987-04-01
IT8422704A0 (it) 1984-09-18
IT1178513B (it) 1987-09-09
DE3334094A1 (de) 1985-04-18

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee