DE19958257B4 - Halboffener Hydraulikkreislauf - Google Patents

Halboffener Hydraulikkreislauf Download PDF

Info

Publication number
DE19958257B4
DE19958257B4 DE19958257A DE19958257A DE19958257B4 DE 19958257 B4 DE19958257 B4 DE 19958257B4 DE 19958257 A DE19958257 A DE 19958257A DE 19958257 A DE19958257 A DE 19958257A DE 19958257 B4 DE19958257 B4 DE 19958257B4
Authority
DE
Germany
Prior art keywords
valve
pump
consumer
pressure
hydraulic circuit
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 - Fee Related
Application number
DE19958257A
Other languages
German (de)
English (en)
Other versions
DE19958257A1 (de
Inventor
Jörg Dantlgraber
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
Bosch 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 Bosch Rexroth AG filed Critical Bosch Rexroth AG
Priority to DE19958257A priority Critical patent/DE19958257B4/de
Priority to AT20142000A priority patent/AT413873B/de
Publication of DE19958257A1 publication Critical patent/DE19958257A1/de
Application granted granted Critical
Publication of DE19958257B4 publication Critical patent/DE19958257B4/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • F15B11/044—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the return line, i.e. "meter out"
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/002—Hydraulic systems to change the pump delivery
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2205/00—Fluid parameters
    • F04B2205/05—Pressure after the pump outlet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2205/00—Fluid parameters
    • F04B2205/09—Flow through the pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2205/00—Fluid parameters
    • F04B2205/17—Opening width of a throttling device
    • F04B2205/173—Opening width of a throttling device in a circuit
    • 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
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20546—Type of pump variable capacity
    • 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
    • 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
    • F15B2211/31—Directional control characterised by the positions of the valve element
    • F15B2211/3105—Neutral or centre positions
    • F15B2211/3111—Neutral or centre positions the pump port being closed in the centre position, e.g. so-called closed centre
    • 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
    • F15B2211/315—Directional control characterised by the connections of the valve or valves in the circuit
    • F15B2211/3157—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line
    • F15B2211/31576—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line having a single pressure source and a single output member
    • 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
    • F15B2211/32—Directional control characterised by the type of actuation
    • F15B2211/327—Directional control characterised by the type of actuation electrically or electronically
    • 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
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40546—Flow control characterised by the type of flow control means or valve with flow combiners
    • 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
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50545—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using braking valves to maintain a back pressure
    • 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
    • F15B2211/50—Pressure control
    • F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5156—Pressure control characterised by the connections of the pressure control means in the circuit being connected to a return line and a 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
    • F15B2211/50—Pressure control
    • F15B2211/52—Pressure control characterised by the type of actuation
    • F15B2211/528—Pressure control characterised by the type of actuation actuated by fluid pressure
    • 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/61—Secondary circuits
    • F15B2211/613—Feeding circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Pressure Circuits (AREA)
DE19958257A 1999-12-03 1999-12-03 Halboffener Hydraulikkreislauf Expired - Fee Related DE19958257B4 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19958257A DE19958257B4 (de) 1999-12-03 1999-12-03 Halboffener Hydraulikkreislauf
AT20142000A AT413873B (de) 1999-12-03 2000-11-30 Hydraulikkreislauf

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19958257A DE19958257B4 (de) 1999-12-03 1999-12-03 Halboffener Hydraulikkreislauf

Publications (2)

Publication Number Publication Date
DE19958257A1 DE19958257A1 (de) 2001-06-07
DE19958257B4 true DE19958257B4 (de) 2008-04-24

Family

ID=7931264

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19958257A Expired - Fee Related DE19958257B4 (de) 1999-12-03 1999-12-03 Halboffener Hydraulikkreislauf

Country Status (2)

Country Link
AT (1) AT413873B (un)
DE (1) DE19958257B4 (un)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015216149A1 (de) 2015-08-25 2017-03-02 Robert Bosch Gmbh Hydraulische Steuervorrichtung mit variabler Rücklaufvorspannung

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006018706A1 (de) 2006-04-21 2007-10-25 Robert Bosch Gmbh Hydraulische Steueranordnung
DE102007029355A1 (de) * 2007-06-26 2009-01-02 Robert Bosch Gmbh Hydraulische Steueranordnung
DE102007029358A1 (de) 2007-06-26 2009-01-02 Robert Bosch Gmbh Verfahren und hydraulische Steueranordnung zur Druckmittelversorgung zumindest eines hydraulischen Verbrauchers

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2209506A1 (de) * 1972-02-29 1974-01-24 Montan Hydraulik Gmbh & Co Kg Einrichtung zum steuern von hydroantrieben unter last
DE3148174A1 (de) * 1981-12-05 1983-06-09 Robert Bosch Gmbh, 7000 Stuttgart Elektrohydraulischer stellantrieb
DE19715224C2 (de) * 1997-04-11 1999-04-15 Leistritz Ag Hydroseilaufzug

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3913453A (en) * 1974-08-30 1975-10-21 Deere & Co Hydrostatic transmission

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2209506A1 (de) * 1972-02-29 1974-01-24 Montan Hydraulik Gmbh & Co Kg Einrichtung zum steuern von hydroantrieben unter last
DE3148174A1 (de) * 1981-12-05 1983-06-09 Robert Bosch Gmbh, 7000 Stuttgart Elektrohydraulischer stellantrieb
DE19715224C2 (de) * 1997-04-11 1999-04-15 Leistritz Ag Hydroseilaufzug

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
FLUIDTECHNIK VON A BIS Z: Der Hydraulik Trainer, Bd. 5, 2. überarb. Aufl. 1995, Vereinigte Fachver- lage, Mainz, 1995, S. 162, ISBN 3-8023-0420-9
FLUIDTECHNIK VON A BIS Z: Der Hydraulik Trainer, Bd. 5, 2. überarb. Aufl. 1995, Vereinigte Fachverlage, Mainz, 1995, S. 162, ISBN 3-8023-0420-9 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015216149A1 (de) 2015-08-25 2017-03-02 Robert Bosch Gmbh Hydraulische Steuervorrichtung mit variabler Rücklaufvorspannung

Also Published As

Publication number Publication date
DE19958257A1 (de) 2001-06-07
ATA20142000A (de) 2005-10-15
AT413873B (de) 2006-06-15

Similar Documents

Publication Publication Date Title
EP1701042B1 (de) Hydraulische Steueranordnung
DE102010006464B4 (de) Hydraulikanordnung
EP2307726B1 (de) Verstellpumpe mit einem mengenregler und einem druckventil.
EP1781952B1 (de) Hydraulische steueranordnung
EP1588077B1 (de) Regelung für ein hydrostatisches getriebe
DE4228599B4 (de) Hydraulikkreis für die Versorgung mehrerer, seriell betriebener Verbraucher einer hydraulisch gesteuerten Anlage
EP2613058B1 (de) Hydrauliksystem
DE2325992A1 (de) Vorrichtung zur steuerung eines hydraulischen motors
DE102014202412A1 (de) Elektrisch angesteuertes Druckregelventil für eine verstellbare hydrostatische Pumpe und verstellbare hydrostatische Pumpe mit einem Druckregelventil
EP0283026B1 (de) Verfahren und Vorrichtung zum Anfahren einer hydraulischen Membranpumpe gegen Last
DE19781771B3 (de) Gegendruck-Steuerkreis für hydraulische Antriebsvorrichtung
DE10219717B3 (de) Hydraulische Ventilanordnung
DE102014016639A1 (de) Hydraulikventilanordnung mit Steuerungs-/Regelungsfunktion
DE102013214861A1 (de) Verstellvorrichtung für eine hydrostatische Pumpe und hydrostatische Pumpe
DE10247507A1 (de) Hydraulische variable Regelvorrichtung für schweres Baugerät
DE60215485T2 (de) Hydraulikpumpendüse und verwendungsverfahren
WO2000073667A1 (de) Hydraulischer antrieb mit mehreren auch einen differentialzylinder umfassenden hydraulischen verbrauchern
DE19958257B4 (de) Halboffener Hydraulikkreislauf
DE2056165C3 (de) Hydraulische Steuerventileinrichtung
EP1451474B1 (de) Antrieb
EP2126371B1 (de) Ventilanordnung
DE69630438T2 (de) Durchflussmenregler in einer servolenkung
EP1629156A1 (de) Hydraulische steueranordnung
DE102018216831A1 (de) Regelvorrichtung für Pumpendruck und -volumenstrom mit konzentrischen Steuerschiebern
DE4235698C2 (de) Hydrostatisches Antriebssystem

Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: BOSCH REXROTH AG, 70184 STUTTGART, DE

Owner name: BOSCH REXROTH AG, 70184 STUTTGART, DE

8110 Request for examination paragraph 44
8364 No opposition during term of opposition
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee

Effective date: 20130702