ITUB20160596A1 - HYDRAULIC VALVE SERIES AND PARALLEL WITH LOGIC SWITCHING ELEMENT - Google Patents

HYDRAULIC VALVE SERIES AND PARALLEL WITH LOGIC SWITCHING ELEMENT

Info

Publication number
ITUB20160596A1
ITUB20160596A1 ITUB2016A000596A ITUB20160596A ITUB20160596A1 IT UB20160596 A1 ITUB20160596 A1 IT UB20160596A1 IT UB2016A000596 A ITUB2016A000596 A IT UB2016A000596A IT UB20160596 A ITUB20160596 A IT UB20160596A IT UB20160596 A1 ITUB20160596 A1 IT UB20160596A1
Authority
IT
Italy
Prior art keywords
parallel
switching element
hydraulic valve
logic switching
valve series
Prior art date
Application number
ITUB2016A000596A
Other languages
Italian (it)
Inventor
Alessandro Cervi
Andrea Ferrari
Philippe Meslin
Original Assignee
Walvoil Spa
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 Walvoil Spa filed Critical Walvoil Spa
Priority to ITUB2016A000596A priority Critical patent/ITUB20160596A1/en
Priority to EP17155506.3A priority patent/EP3205889B1/en
Publication of ITUB20160596A1 publication Critical patent/ITUB20160596A1/en

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
    • 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
    • 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
    • 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
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use 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
    • 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
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • 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
    • F15B18/00—Parallel arrangements of independent servomotor systems
    • 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
    • F15B2211/20538—Type of pump constant 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
    • 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
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/3056—Assemblies of multiple valves
    • F15B2211/3059—Assemblies of multiple valves having multiple valves for multiple output members
    • F15B2211/30595—Assemblies of multiple valves having multiple valves for multiple output members with additional valves between the groups of valves for multiple 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
    • F15B2211/30—Directional control
    • F15B2211/31—Directional control characterised by the positions of the valve element
    • F15B2211/3122—Special positions other than the pump port being connected to working ports or the working ports being connected to the return line

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
ITUB2016A000596A 2016-02-09 2016-02-09 HYDRAULIC VALVE SERIES AND PARALLEL WITH LOGIC SWITCHING ELEMENT ITUB20160596A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITUB2016A000596A ITUB20160596A1 (en) 2016-02-09 2016-02-09 HYDRAULIC VALVE SERIES AND PARALLEL WITH LOGIC SWITCHING ELEMENT
EP17155506.3A EP3205889B1 (en) 2016-02-09 2017-02-09 Serial-parallel hydraulic valve with logic switching element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUB2016A000596A ITUB20160596A1 (en) 2016-02-09 2016-02-09 HYDRAULIC VALVE SERIES AND PARALLEL WITH LOGIC SWITCHING ELEMENT

Publications (1)

Publication Number Publication Date
ITUB20160596A1 true ITUB20160596A1 (en) 2017-08-09

Family

ID=55948966

Family Applications (1)

Application Number Title Priority Date Filing Date
ITUB2016A000596A ITUB20160596A1 (en) 2016-02-09 2016-02-09 HYDRAULIC VALVE SERIES AND PARALLEL WITH LOGIC SWITCHING ELEMENT

Country Status (2)

Country Link
EP (1) EP3205889B1 (en)
IT (1) ITUB20160596A1 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2514083A1 (en) * 1981-10-06 1983-04-08 Bosch Gmbh Robert HYDRAULIC CONTROL APPARATUS HAVING AT LEAST TWO DISTRIBUTORS FOR CONTROLLING HYDRAULIC USERS, PARTICULARLY FOR A STACKING TROLLEY
WO2003004880A1 (en) * 2001-07-05 2003-01-16 Hydrauto Valves Ab Priority valve
EP1760326A2 (en) * 2005-09-02 2007-03-07 Kobelco Construction Machinery Co., Ltd. Hydraulic controller for working machine
EP2381115A2 (en) * 2008-12-24 2011-10-26 Doosan Infracore Co., Ltd. Hydraulic pump controller for construction machine
US20120233996A1 (en) * 2011-03-15 2012-09-20 Quinnell Corey K System for allocating fluid from multiple pumps to a plurality of hydraulic functions on a priority basis
DE112013005318T5 (en) * 2012-11-07 2015-07-16 Kayaba Industry Co., Ltd. Fluid pressure control device for a backhoe
WO2015111390A1 (en) * 2014-01-23 2015-07-30 川崎重工業株式会社 Fluid pressure drive system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2566620Y2 (en) * 1992-02-28 1998-03-30 株式会社タダノ Hydraulic circuit for traveling of work vehicle
US5335499A (en) * 1992-09-24 1994-08-09 Viking Engineering & Development, Incorporated Multiple hydraulic actuators with series/parallel operation
DE60334971D1 (en) * 2003-04-15 2010-12-30 Caterpillar Paving Prod Jerk-free row or parallel, control pressure controlled transmission

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2514083A1 (en) * 1981-10-06 1983-04-08 Bosch Gmbh Robert HYDRAULIC CONTROL APPARATUS HAVING AT LEAST TWO DISTRIBUTORS FOR CONTROLLING HYDRAULIC USERS, PARTICULARLY FOR A STACKING TROLLEY
WO2003004880A1 (en) * 2001-07-05 2003-01-16 Hydrauto Valves Ab Priority valve
EP1760326A2 (en) * 2005-09-02 2007-03-07 Kobelco Construction Machinery Co., Ltd. Hydraulic controller for working machine
EP2381115A2 (en) * 2008-12-24 2011-10-26 Doosan Infracore Co., Ltd. Hydraulic pump controller for construction machine
US20120233996A1 (en) * 2011-03-15 2012-09-20 Quinnell Corey K System for allocating fluid from multiple pumps to a plurality of hydraulic functions on a priority basis
DE112013005318T5 (en) * 2012-11-07 2015-07-16 Kayaba Industry Co., Ltd. Fluid pressure control device for a backhoe
WO2015111390A1 (en) * 2014-01-23 2015-07-30 川崎重工業株式会社 Fluid pressure drive system

Also Published As

Publication number Publication date
EP3205889B1 (en) 2024-10-30
EP3205889A1 (en) 2017-08-16

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