EP0974752A3 - Rückkoppelungsregelkreis für einen Hydromotor variabler Drehzahl - Google Patents

Rückkoppelungsregelkreis für einen Hydromotor variabler Drehzahl Download PDF

Info

Publication number
EP0974752A3
EP0974752A3 EP99202332A EP99202332A EP0974752A3 EP 0974752 A3 EP0974752 A3 EP 0974752A3 EP 99202332 A EP99202332 A EP 99202332A EP 99202332 A EP99202332 A EP 99202332A EP 0974752 A3 EP0974752 A3 EP 0974752A3
Authority
EP
European Patent Office
Prior art keywords
hydromotor
control circuit
feedback control
variable speed
drive shaft
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
EP99202332A
Other languages
English (en)
French (fr)
Other versions
EP0974752B1 (de
EP0974752A2 (de
Inventor
Alessandro Breviglieri
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.)
Parker Calzoni SRL
Original Assignee
Riva Calzoni Oleodinamica S P
RIVA CALZONI OLEODINAMICA 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 Riva Calzoni Oleodinamica S P, RIVA CALZONI OLEODINAMICA SpA filed Critical Riva Calzoni Oleodinamica S P
Publication of EP0974752A2 publication Critical patent/EP0974752A2/de
Publication of EP0974752A3 publication Critical patent/EP0974752A3/de
Application granted granted Critical
Publication of EP0974752B1 publication Critical patent/EP0974752B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • F04B49/128—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 cylinders, e.g. by moving a cylinder block
    • 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
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B3/00—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F01B3/10—Control of working-fluid admission or discharge peculiar thereto
    • F01B3/103—Control of working-fluid admission or discharge peculiar thereto for machines with rotary cylinder block
    • F01B3/104—Control of working-fluid admission or discharge peculiar thereto for machines with rotary cylinder block by turning the valve plate

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Reciprocating Pumps (AREA)
  • Control Of Multiple Motors (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Hydraulic Motors (AREA)
  • Valve Device For Special Equipments (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Nozzles (AREA)
  • Rotary Pumps (AREA)
  • Control Of Electric Motors In General (AREA)
EP99202332A 1998-07-24 1999-07-15 Rückkoppelungsregelkreis für einen Hydromotor variabler Drehzahl Expired - Lifetime EP0974752B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI981719 1998-07-24
IT1998MI001719A IT1301862B1 (it) 1998-07-24 1998-07-24 Dispositivo di regolazione dell'anticipo di motori/pompe di tipoidraulico.

Publications (3)

Publication Number Publication Date
EP0974752A2 EP0974752A2 (de) 2000-01-26
EP0974752A3 true EP0974752A3 (de) 2000-10-04
EP0974752B1 EP0974752B1 (de) 2006-03-01

Family

ID=11380512

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99202332A Expired - Lifetime EP0974752B1 (de) 1998-07-24 1999-07-15 Rückkoppelungsregelkreis für einen Hydromotor variabler Drehzahl

Country Status (4)

Country Link
EP (1) EP0974752B1 (de)
AT (1) ATE319006T1 (de)
DE (1) DE69930051T2 (de)
IT (1) IT1301862B1 (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2052472A (en) * 1935-02-04 1936-08-25 Jack Moody Fluid engine
US3796136A (en) * 1970-09-24 1974-03-12 Kawasaki Heavy Ind Ltd Fluid pump or fluid motor
US4347778A (en) * 1979-08-17 1982-09-07 Murray Jerome L Reversible fluid unit
EP0651159A1 (de) * 1993-10-29 1995-05-03 RIVA CALZONI S.p.A. Verteilereinheit für hydraulische Radialkolbenmotoren

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2052472A (en) * 1935-02-04 1936-08-25 Jack Moody Fluid engine
US3796136A (en) * 1970-09-24 1974-03-12 Kawasaki Heavy Ind Ltd Fluid pump or fluid motor
US4347778A (en) * 1979-08-17 1982-09-07 Murray Jerome L Reversible fluid unit
EP0651159A1 (de) * 1993-10-29 1995-05-03 RIVA CALZONI S.p.A. Verteilereinheit für hydraulische Radialkolbenmotoren

Also Published As

Publication number Publication date
IT1301862B1 (it) 2000-07-07
ATE319006T1 (de) 2006-03-15
ITMI981719A0 (it) 1998-07-24
EP0974752B1 (de) 2006-03-01
EP0974752A2 (de) 2000-01-26
DE69930051T2 (de) 2006-09-28
DE69930051D1 (de) 2006-04-27
ITMI981719A1 (it) 2000-01-24

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