ITMI960117A0 - - Google Patents

Info

Publication number
ITMI960117A0
ITMI960117A0 ITMI960117A ITMI960117A ITMI960117A0 IT MI960117 A0 ITMI960117 A0 IT MI960117A0 IT MI960117 A ITMI960117 A IT MI960117A IT MI960117 A ITMI960117 A IT MI960117A IT MI960117 A0 ITMI960117 A0 IT MI960117A0
Authority
IT
Italy
Application number
ITMI960117A
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 filed Critical
Priority to IT96MI000117A priority Critical patent/IT1281708B1/it
Publication of ITMI960117A0 publication Critical patent/ITMI960117A0/it
Priority to DE69703166T priority patent/DE69703166T2/de
Priority to DK97100802T priority patent/DK0786598T3/da
Priority to EP97100802A priority patent/EP0786598B1/en
Publication of ITMI960117A1 publication Critical patent/ITMI960117A1/it
Application granted granted Critical
Publication of IT1281708B1 publication Critical patent/IT1281708B1/it

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/028Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0416Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor with means or adapted for load sensing
    • F15B13/0417Load sensing elements; Internal fluid connections therefor; Anti-saturation or pressure-compensation valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/305Directional control characterised by the type of valves
    • F15B2211/30525Directional control valves, e.g. 4/3-directional control valve
    • F15B2211/3053In combination with a pressure compensating valve
    • F15B2211/30535In combination with a pressure compensating valve the pressure compensating valve is arranged between pressure source and directional control valve
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/31Directional control characterised by the positions of the valve element
    • F15B2211/3122Special positions other than the pump port being connected to working ports or the working ports being connected to the return line
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/32Directional control characterised by the type of actuation
    • F15B2211/321Directional control characterised by the type of actuation mechanically
    • F15B2211/324Directional control characterised by the type of actuation mechanically manually, e.g. by using a lever or pedal
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/50Pressure control
    • F15B2211/505Pressure control characterised by the type of pressure control means
    • F15B2211/50509Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50518Pressure 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/50Pressure control
    • F15B2211/515Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5153Pressure control characterised by the connections of the pressure control means in the circuit being connected to an output member and a directional control valve
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/50Pressure control
    • F15B2211/55Pressure control for limiting a pressure up to a maximum pressure, e.g. by using a pressure relief valve
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/605Load sensing circuits
    • F15B2211/6051Load sensing circuits having valve means between output member and the load sensing circuit
    • F15B2211/6054Load sensing circuits having valve means between output member and the load sensing circuit using shuttle valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/605Load sensing circuits
    • F15B2211/6051Load sensing circuits having valve means between output member and the load sensing circuit
    • F15B2211/6055Load sensing circuits having valve means between output member and the load sensing circuit using pressure relief valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/70Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/76Control of force or torque of the output member

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Transmission Device (AREA)
IT96MI000117A 1996-01-24 1996-01-24 Dispositivo per l'azionamento di un'utenza idraulica con una velocita' di azionamento indipendente dal carico resistente gravante su tale IT1281708B1 (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT96MI000117A IT1281708B1 (it) 1996-01-24 1996-01-24 Dispositivo per l'azionamento di un'utenza idraulica con una velocita' di azionamento indipendente dal carico resistente gravante su tale
DE69703166T DE69703166T2 (de) 1996-01-24 1997-01-20 Einrichtung zur Betätigung einer hydraulischen Vorrichtung mit einer Betätigungsgeschwindigkeit, die unabhängig von der an der hydraulischen Vorrichtung wirkenden Last ist
DK97100802T DK0786598T3 (da) 1996-01-24 1997-01-20 Indretning til aktivering af hydraulisk brugeranordning med en aktiveringshastighed, der er uafhængig af modstandsbelastnin
EP97100802A EP0786598B1 (en) 1996-01-24 1997-01-20 Device for actuating a hydraulic user apparatus with an actuation speed that is independent of the resisting load affecting the hydraulic apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT96MI000117A IT1281708B1 (it) 1996-01-24 1996-01-24 Dispositivo per l'azionamento di un'utenza idraulica con una velocita' di azionamento indipendente dal carico resistente gravante su tale

Publications (3)

Publication Number Publication Date
ITMI960117A0 true ITMI960117A0 (it) 1996-01-24
ITMI960117A1 ITMI960117A1 (it) 1997-07-24
IT1281708B1 IT1281708B1 (it) 1998-02-26

Family

ID=11373006

Family Applications (1)

Application Number Title Priority Date Filing Date
IT96MI000117A IT1281708B1 (it) 1996-01-24 1996-01-24 Dispositivo per l'azionamento di un'utenza idraulica con una velocita' di azionamento indipendente dal carico resistente gravante su tale

Country Status (4)

Country Link
EP (1) EP0786598B1 (it)
DE (1) DE69703166T2 (it)
DK (1) DK0786598T3 (it)
IT (1) IT1281708B1 (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1313848B1 (it) * 1999-11-25 2002-09-24 Brevini Hydraulics Spa Dispositivo di comando idraulico, per l'azionamento di un'utenzaidraulica, con compensatore della pressione in ingresso, ad elevata
DE10107532A1 (de) * 2001-02-17 2002-08-29 Mannesmann Rexroth Ag Wegeventil zur lastunabhängigen Steuerung eines hydraulischen Verbrauchers hinsichtlich Richtung und Geschwindigkeit
DE102007054137A1 (de) * 2007-11-14 2009-05-28 Hydac Filtertechnik Gmbh Hydraulische Ventilvorrichtung
ES2394389T3 (es) 2008-08-20 2013-01-31 Hawe Hydraulik Se Control hidráulico para un motor hidráulico

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3543231A1 (de) * 1985-12-06 1987-06-11 Sauer Getriebe Ag Proportionalwegeventil mit einzeldruckwaage
DE3841507C1 (it) 1988-01-22 1989-06-29 Danfoss A/S, Nordborg, Dk
DE9210647U1 (de) * 1992-08-10 1993-12-16 Heilmeier & Weinlein Fabrik für Oel-Hydraulik GmbH & Co KG, 81673 München Hydraulische Steuervorrichtung

Also Published As

Publication number Publication date
DK0786598T3 (da) 2000-12-27
EP0786598B1 (en) 2000-09-27
EP0786598A1 (en) 1997-07-30
DE69703166T2 (de) 2001-05-17
IT1281708B1 (it) 1998-02-26
DE69703166D1 (de) 2000-11-02
ITMI960117A1 (it) 1997-07-24

Similar Documents

Publication Publication Date Title
AR026662A2 (it)
BRPI9713914B8 (it)
ITAN960002A0 (it)
ITBL960008A0 (it)
ITCA960005A0 (it)
BR7600721U (it)
BR7601346U (it)
BR9603859A (it)
CN3039060S (it)
CN3039213S (it)
CN3040024S (it)
CN3040367S (it)
CN3040543S (it)
CN3040805S (it)
CN3041207S (it)
CN3041374S (it)
CN3041383S (it)
CN3042289S (it)
CN3042589S (it)
CN3043305S (it)
CN3044168S (it)
CN3044346S (it)
CN3044347S (it)
CN3044348S (it)
CN3044349S (it)

Legal Events

Date Code Title Description
0001 Granted