IT201700012623A1 - Metodo e apparecchiatura per il controllo della variazione di posizione di un eccentrico di motori idraulici a cilindrata variabile - Google Patents

Metodo e apparecchiatura per il controllo della variazione di posizione di un eccentrico di motori idraulici a cilindrata variabile

Info

Publication number
IT201700012623A1
IT201700012623A1 IT102017000012623A IT201700012623A IT201700012623A1 IT 201700012623 A1 IT201700012623 A1 IT 201700012623A1 IT 102017000012623 A IT102017000012623 A IT 102017000012623A IT 201700012623 A IT201700012623 A IT 201700012623A IT 201700012623 A1 IT201700012623 A1 IT 201700012623A1
Authority
IT
Italy
Prior art keywords
eccentric
control
parameter
motor
solenoid valve
Prior art date
Application number
IT102017000012623A
Other languages
English (en)
Italian (it)
Inventor
Leonardis Loris De
Giorgio Cazzato
Original Assignee
Parker Hannifin Mfg S R L
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 Parker Hannifin Mfg S R L filed Critical Parker Hannifin Mfg S R L
Priority to IT102017000012623A priority Critical patent/IT201700012623A1/it
Priority to EP18154986.6A priority patent/EP3358181B1/de
Publication of IT201700012623A1 publication Critical patent/IT201700012623A1/it

Links

Classifications

    • 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
    • F04B49/06—Control using electricity
    • F04B49/065—Control using electricity and making use of computers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
    • F03C1/00—Reciprocating-piston liquid engines
    • F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
    • F03C1/04—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinders in star or fan arrangement
    • F03C1/0403—Details, component parts specially adapted of such engines
    • F03C1/0406—Pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
    • F03C1/00—Reciprocating-piston liquid engines
    • F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
    • F03C1/04—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinders in star or fan arrangement
    • F03C1/0403—Details, component parts specially adapted of such engines
    • F03C1/0415—Cylinders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
    • F03C1/00—Reciprocating-piston liquid engines
    • F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
    • F03C1/04—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinders in star or fan arrangement
    • F03C1/0447—Controlling
    • F03C1/0457—Controlling by changing the effective piston stroke
    • F03C1/046—Controlling by changing the effective piston stroke by changing the excentricity of one element relative to another element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
    • F03C1/00—Reciprocating-piston liquid engines
    • F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
    • F03C1/04—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinders in star or fan arrangement
    • F03C1/053—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinders in star or fan arrangement the pistons co-operating with an actuated element at the inner ends of the cylinders
    • 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/0404—Details or component parts
    • F04B1/0408—Pistons
    • 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/0404—Details or component parts
    • F04B1/0421—Cylinders
    • 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/053—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the inner ends of the cylinders
    • F04B1/0531—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the inner ends of the cylinders with cam-actuated distribution members
    • 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/06—Control
    • F04B1/07—Control by varying the relative eccentricity between two members, e.g. a cam and a drive shaft
    • 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/10—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement the cylinders being movable, e.g. rotary
    • F04B1/113—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement the cylinders being movable, e.g. rotary with actuating or actuated elements at the inner ends of the cylinders
    • 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
    • F04B49/12—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 by varying the length of stroke of the working members
    • F04B49/123—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 by varying the length of stroke of the working members by changing the eccentricity of one element relative to another element
    • F04B49/125—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 by varying the length of stroke of the working members by changing the eccentricity of one element relative to another element by changing the eccentricity of the actuation means, e.g. cams or cranks, relative to the driving means, e.g. driving shafts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Computer Hardware Design (AREA)
  • Hydraulic Motors (AREA)
  • Valve Device For Special Equipments (AREA)
  • Control Of Fluid Gearings (AREA)
  • Fluid-Pressure Circuits (AREA)
IT102017000012623A 2017-02-06 2017-02-06 Metodo e apparecchiatura per il controllo della variazione di posizione di un eccentrico di motori idraulici a cilindrata variabile IT201700012623A1 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT102017000012623A IT201700012623A1 (it) 2017-02-06 2017-02-06 Metodo e apparecchiatura per il controllo della variazione di posizione di un eccentrico di motori idraulici a cilindrata variabile
EP18154986.6A EP3358181B1 (de) 2017-02-06 2018-02-02 Hydraulischer verstellmotor mit einer vorrichtung zur steuerung der positionsänderung eines exzentrischen nockens des motors und verfahren zur steuerung der positionsänderung des exzentrischen nockens des hydraulischen verstellmotors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102017000012623A IT201700012623A1 (it) 2017-02-06 2017-02-06 Metodo e apparecchiatura per il controllo della variazione di posizione di un eccentrico di motori idraulici a cilindrata variabile

Publications (1)

Publication Number Publication Date
IT201700012623A1 true IT201700012623A1 (it) 2018-08-06

Family

ID=59101585

Family Applications (1)

Application Number Title Priority Date Filing Date
IT102017000012623A IT201700012623A1 (it) 2017-02-06 2017-02-06 Metodo e apparecchiatura per il controllo della variazione di posizione di un eccentrico di motori idraulici a cilindrata variabile

Country Status (2)

Country Link
EP (1) EP3358181B1 (de)
IT (1) IT201700012623A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7120125B2 (ja) * 2019-03-29 2022-08-17 いすゞ自動車株式会社 流体作動機械
JP7120124B2 (ja) * 2019-03-29 2022-08-17 いすゞ自動車株式会社 流体作動機械

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4983099A (en) * 1989-01-19 1991-01-08 Sundstrand Corporation Torque-velocity control for variable displacement hydraulic motor
US5628188A (en) * 1993-03-15 1997-05-13 Mannesmann Rexroth Gmbh Torque control of hydrostatic machines via the pivot angle or the eccentricity of said machines
EP1241356A2 (de) * 2001-03-15 2002-09-18 Teijin Seiki Co., Ltd. Druckflüssigkeitsmotor mit einem Leistungsregler
EP1624185A2 (de) * 2004-08-03 2006-02-08 PARKER CALZONI S.r.l. Verfahren und Vorrichtung zur Ermittlung von Betriebsparametern eines hydraulichen Kolbenmotors
US20090133761A1 (en) * 2005-08-09 2009-05-28 Brueninghaus Hydromatik Gmbh Control valve unit with alternating stop
US20120259580A1 (en) * 2009-12-17 2012-10-11 Zf Friedrichshafen Ag Method for determining the displacement of a radial piston machine
EP2518220A2 (de) * 2009-12-23 2012-10-31 Doosan Infracore Co., Ltd. Vorrichtung und verfahren zur steuerung einer hydraulikpumpe einer baumaschine
US20150240961A1 (en) * 2014-02-18 2015-08-27 Robert Bosch Gmbh Electrically controlled pressure control valve for an adjustable hydrostatic pump

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6038871A (en) * 1998-11-23 2000-03-21 General Motors Corporation Dual mode control of a variable displacement refrigerant compressor
JP6056804B2 (ja) * 2014-04-18 2017-01-11 株式会社デンソー 電磁弁制御装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4983099A (en) * 1989-01-19 1991-01-08 Sundstrand Corporation Torque-velocity control for variable displacement hydraulic motor
US5628188A (en) * 1993-03-15 1997-05-13 Mannesmann Rexroth Gmbh Torque control of hydrostatic machines via the pivot angle or the eccentricity of said machines
EP1241356A2 (de) * 2001-03-15 2002-09-18 Teijin Seiki Co., Ltd. Druckflüssigkeitsmotor mit einem Leistungsregler
EP1624185A2 (de) * 2004-08-03 2006-02-08 PARKER CALZONI S.r.l. Verfahren und Vorrichtung zur Ermittlung von Betriebsparametern eines hydraulichen Kolbenmotors
US20090133761A1 (en) * 2005-08-09 2009-05-28 Brueninghaus Hydromatik Gmbh Control valve unit with alternating stop
US20120259580A1 (en) * 2009-12-17 2012-10-11 Zf Friedrichshafen Ag Method for determining the displacement of a radial piston machine
EP2518220A2 (de) * 2009-12-23 2012-10-31 Doosan Infracore Co., Ltd. Vorrichtung und verfahren zur steuerung einer hydraulikpumpe einer baumaschine
US20150240961A1 (en) * 2014-02-18 2015-08-27 Robert Bosch Gmbh Electrically controlled pressure control valve for an adjustable hydrostatic pump

Also Published As

Publication number Publication date
EP3358181B1 (de) 2020-07-01
EP3358181A1 (de) 2018-08-08

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