IT1393494B1 - CONTROL SYSTEM FOR A HYDRAULIC DRIVE DEVICE - Google Patents

CONTROL SYSTEM FOR A HYDRAULIC DRIVE DEVICE

Info

Publication number
IT1393494B1
IT1393494B1 ITBO2009A000234A ITBO20090234A IT1393494B1 IT 1393494 B1 IT1393494 B1 IT 1393494B1 IT BO2009A000234 A ITBO2009A000234 A IT BO2009A000234A IT BO20090234 A ITBO20090234 A IT BO20090234A IT 1393494 B1 IT1393494 B1 IT 1393494B1
Authority
IT
Italy
Prior art keywords
control system
drive device
hydraulic drive
hydraulic
control
Prior art date
Application number
ITBO2009A000234A
Other languages
Italian (it)
Inventor
Luca Munerati
Original Assignee
Interpump Hydraulics 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 Interpump Hydraulics Spa filed Critical Interpump Hydraulics Spa
Priority to ITBO2009A000234A priority Critical patent/IT1393494B1/en
Priority to PCT/EP2010/054642 priority patent/WO2010115955A1/en
Priority to EP10713199A priority patent/EP2417362A1/en
Publication of ITBO20090234A1 publication Critical patent/ITBO20090234A1/en
Application granted granted Critical
Publication of IT1393494B1 publication Critical patent/IT1393494B1/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
    • F15B11/02—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
    • F15B11/042—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the feed line, i.e. "meter in"
    • F15B11/0423—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the feed line, i.e. "meter in" by controlling pump output or bypass, other than to maintain constant speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/18—Control systems or devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • 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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/08—Servomotor systems incorporating electrically operated control means
    • 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
    • F15B2211/20507—Type of prime mover
    • F15B2211/20523—Internal combustion engine
    • 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
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/255—Flow control functions
    • 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
    • F15B2211/63—Electronic controllers
    • F15B2211/6303—Electronic controllers using input signals
    • F15B2211/6333—Electronic controllers using input signals representing a state of the pressure source, e.g. swash plate angle
    • 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
    • F15B2211/63—Electronic controllers
    • F15B2211/6303—Electronic controllers using input signals
    • F15B2211/634—Electronic controllers using input signals representing a state of a 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/665—Methods of control using electronic components
    • F15B2211/6651—Control of the prime mover, e.g. control of the output torque or rotational speed

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Automation & Control Theory (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Valve Device For Special Equipments (AREA)
ITBO2009A000234A 2009-04-10 2009-04-10 CONTROL SYSTEM FOR A HYDRAULIC DRIVE DEVICE IT1393494B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ITBO2009A000234A IT1393494B1 (en) 2009-04-10 2009-04-10 CONTROL SYSTEM FOR A HYDRAULIC DRIVE DEVICE
PCT/EP2010/054642 WO2010115955A1 (en) 2009-04-10 2010-04-08 A control system for a hydraulic actuating device
EP10713199A EP2417362A1 (en) 2009-04-10 2010-04-08 A control system for a hydraulic actuating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITBO2009A000234A IT1393494B1 (en) 2009-04-10 2009-04-10 CONTROL SYSTEM FOR A HYDRAULIC DRIVE DEVICE

Publications (2)

Publication Number Publication Date
ITBO20090234A1 ITBO20090234A1 (en) 2010-10-11
IT1393494B1 true IT1393494B1 (en) 2012-04-27

Family

ID=41353844

Family Applications (1)

Application Number Title Priority Date Filing Date
ITBO2009A000234A IT1393494B1 (en) 2009-04-10 2009-04-10 CONTROL SYSTEM FOR A HYDRAULIC DRIVE DEVICE

Country Status (3)

Country Link
EP (1) EP2417362A1 (en)
IT (1) IT1393494B1 (en)
WO (1) WO2010115955A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5822299A (en) * 1981-07-29 1983-02-09 日産自動車株式会社 Forklift
DE10021609A1 (en) * 2000-05-04 2001-11-08 Linde Ag Hydraulic lifting device for running a battery operated industrial truck has a load suspension device with vertical motion operating with hydraulic lifting cylinders.
DE10047631A1 (en) * 2000-09-26 2002-04-11 Linde Ag Hydraulic system for battery-operated electric load conveying vehicle has hydraulic unit acting as pump and motor coupled to electrical unit acting as motor and generator
SE521188C2 (en) * 2002-02-11 2003-10-07 Kalmar Ind Sverige Ab Hydraulic system for a vehicle, a vehicle comprising such a hydraulic system and an additional unit for such a vehicle
DE102007059270A1 (en) * 2007-09-18 2009-03-19 Buchholz Hydraulik Gmbh Control device for lifting- and lowering controller of hydraulically operated lift poles in industrial truck, has control valve with piston coupled with range sensor that switches lifting pump and throttle by control unit

Also Published As

Publication number Publication date
WO2010115955A1 (en) 2010-10-14
ITBO20090234A1 (en) 2010-10-11
EP2417362A1 (en) 2012-02-15

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