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EP1106840A3 - Hydraulic circuit - Google Patents

Hydraulic circuit Download PDF

Info

Publication number
EP1106840A3
EP1106840A3 EP00126948A EP00126948A EP1106840A3 EP 1106840 A3 EP1106840 A3 EP 1106840A3 EP 00126948 A EP00126948 A EP 00126948A EP 00126948 A EP00126948 A EP 00126948A EP 1106840 A3 EP1106840 A3 EP 1106840A3
Authority
EP
European Patent Office
Prior art keywords
drive unit
force
functional sense
hydraulic circuit
pressure medium
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.)
Granted
Application number
EP00126948A
Other languages
German (de)
French (fr)
Other versions
EP1106840A2 (en
EP1106840B1 (en
Inventor
Jörg Plassmeyer
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.)
Wilhelm Karmann GmbH
Original Assignee
Wilhelm Karmann 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 Wilhelm Karmann GmbH filed Critical Wilhelm Karmann GmbH
Publication of EP1106840A2 publication Critical patent/EP1106840A2/en
Publication of EP1106840A3 publication Critical patent/EP1106840A3/en
Application granted granted Critical
Publication of EP1106840B1 publication Critical patent/EP1106840B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • 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
    • 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
    • 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
    • F15B2211/3052—Shuttle 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
    • F15B2211/32—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
    • F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
    • 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
    • F15B2211/42—Flow control characterised by the type of actuation
    • F15B2211/428—Flow 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
    • F15B2211/40—Flow control
    • F15B2211/46—Control of flow in the return line, i.e. meter-out control
    • 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
    • F15B2211/50518—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief 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
    • F15B2211/50—Pressure control
    • F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5157—Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source and a return line
    • 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
    • F15B2211/7114—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators
    • F15B2211/7128—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators the chambers being connected in parallel
    • 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
    • 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
    • F15B2211/76—Control of force or torque of the 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/78—Control of multiple output members

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

Eine hydraulische Schaltungsvorrichtung (1;101) zum Einsatz in einer Schaltung (7;107), die zumindest zwei jeweils in einer ersten, funktionssinnigen, oder in einer zu dieser gegensinnigen Bewegungsrichtung bewegliche Antriebseinheiten (2;3) umfaßt, die jeweils über zumindest zwei Anschlußleitungen (13,26; 24,31) mit Druckmittel beaufschlagbar sind, wobei zur Steuerung der Druckmittelbeaufschlagung extern ansteuerbare Wählschalter (14;15;16) vorgesehen sind, wird so ausgebildet, daß für jede Antriebseinheit (2;3;6) genau ein steuerbarer Wählschalter (14;15;16) vorgesehen ist und zumindest zwei Antriebseinheiten (2;3) über logische Und- und/oder Oder-Ventilglieder (22,25;141,142,143, 144) derart miteinander verbunden sind, daß zumindest bei resultierender Krafteinleitung auf die erste Antriebseinheit (2) im Funktionssinn (F) eine Kraftfreischaltung der zweiten Antriebseinheit (3) und bei Krafteinleitung auf die erste Antriebseinheit (2) im Gegensinn (G) eine Krafteinleitung auf die zweite Antriebseinheit (3) im Funktionssinn (F), im Gegensinn (G) oder eine Kraftfreischaltung ermöglicht ist (Fig. 1).

Figure 00000001
A hydraulic circuit device (1; 101) for use in a circuit (7; 107) which comprises at least two drive units (2; 3) each in a first, functional sense or in a direction opposite to the direction of movement, each of which has at least two Connection lines (13, 26; 24, 31) can be pressurized with pressure medium, with externally controllable selector switches (14; 15; 16) being provided to control the pressure medium pressure, is designed so that exactly one for each drive unit (2; 3; 6) controllable selector switch (14; 15; 16) is provided and at least two drive units (2; 3) are connected to one another via logical AND and / or OR valve elements (22, 25; 141, 142, 143, 144) in such a way that at least when force is applied the first drive unit (2) in the functional sense (F) activates the second drive unit (3) and when force is applied to the first drive unit (2) in the opposite direction (G) it applies force the second drive unit (3) in the functional sense (F), in the opposite direction (G) or a power release is made possible (Fig. 1).
Figure 00000001
EP00126948A 1999-12-10 2000-12-08 Hydraulic circuit Expired - Lifetime EP1106840B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19959560 1999-12-10
DE19959560A DE19959560C2 (en) 1999-12-10 1999-12-10 Hydraulic switching device

Publications (3)

Publication Number Publication Date
EP1106840A2 EP1106840A2 (en) 2001-06-13
EP1106840A3 true EP1106840A3 (en) 2003-09-17
EP1106840B1 EP1106840B1 (en) 2005-03-09

Family

ID=7932128

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00126948A Expired - Lifetime EP1106840B1 (en) 1999-12-10 2000-12-08 Hydraulic circuit

Country Status (3)

Country Link
US (1) US6523344B1 (en)
EP (1) EP1106840B1 (en)
DE (2) DE19959560C2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1018035C2 (en) * 2001-05-10 2002-11-12 Actuant Corp Hydraulic operating device for a cover with associated latch.
DE102005031971A1 (en) * 2005-07-08 2007-01-11 Wilhelm Karmann Gmbh Hydraulic actuator assembly
DE102006040137A1 (en) * 2006-08-26 2008-02-28 Zf Friedrichshafen Ag Switching cylinder controlling system for controlling valve assigned to switching cylinder, has switching cylinder, where switching position of cylinder is adjustable over every valve
DE102007013015B4 (en) * 2007-03-19 2014-09-04 Rausch & Pausch Gmbh Hydraulic system for opening and closing a convertible top
JP6283195B2 (en) * 2012-12-04 2018-02-21 住友精密工業株式会社 Electric hydraulic actuator system for lifting and lowering legs
EP2799722B1 (en) * 2013-05-03 2017-07-19 HAWE Hydraulik SE Hydraulic control device
US11299866B2 (en) * 2019-09-24 2022-04-12 Deere & Company Dozer blade attachment control system and apparatus for a compact track loader

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3629471A1 (en) * 1986-08-29 1988-03-03 Bosch Gmbh Robert Hydraulic control arrangement
DE3826789A1 (en) * 1988-08-06 1990-02-08 Daimler Benz Ag Control and actuating system for drive elements
EP0425156A2 (en) * 1989-10-23 1991-05-02 Dura Acquisition Corporation Power convertible top
DE19629065A1 (en) * 1995-08-01 1997-02-06 Hoerbiger Gmbh Hydraulic drive for vehicle folding roof
EP0656274B1 (en) * 1993-12-03 1997-10-15 Applied Power Inc. Hydraulic circuit
DE19730685A1 (en) * 1996-07-31 1998-02-05 Applied Power Inc Fold-away soft-top for automobile
EP0941882A1 (en) * 1998-03-03 1999-09-15 Applied Power Inc. Hydraulic control unit, in particular for operating a folding roof of a vehicle

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19643598A1 (en) * 1996-10-22 1998-04-23 Becker Heins Ralph Dipl Ing Information representation of data relevant to ship steering via movable seat

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3629471A1 (en) * 1986-08-29 1988-03-03 Bosch Gmbh Robert Hydraulic control arrangement
DE3826789A1 (en) * 1988-08-06 1990-02-08 Daimler Benz Ag Control and actuating system for drive elements
EP0425156A2 (en) * 1989-10-23 1991-05-02 Dura Acquisition Corporation Power convertible top
EP0656274B1 (en) * 1993-12-03 1997-10-15 Applied Power Inc. Hydraulic circuit
DE19629065A1 (en) * 1995-08-01 1997-02-06 Hoerbiger Gmbh Hydraulic drive for vehicle folding roof
DE19730685A1 (en) * 1996-07-31 1998-02-05 Applied Power Inc Fold-away soft-top for automobile
EP0941882A1 (en) * 1998-03-03 1999-09-15 Applied Power Inc. Hydraulic control unit, in particular for operating a folding roof of a vehicle

Also Published As

Publication number Publication date
DE19959560C2 (en) 2003-08-07
US20030033802A1 (en) 2003-02-20
US6523344B1 (en) 2003-02-25
DE19959560A1 (en) 2001-06-21
DE50009714D1 (en) 2005-04-14
EP1106840A2 (en) 2001-06-13
EP1106840B1 (en) 2005-03-09

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