NL1007912C2 - Verliesarme flow regeling voor hydromotoren en cilinders werkend vanuit een accumulator zoals bij toepassing van een vrije-zuiger aggregaat. - Google Patents

Verliesarme flow regeling voor hydromotoren en cilinders werkend vanuit een accumulator zoals bij toepassing van een vrije-zuiger aggregaat. Download PDF

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Publication number
NL1007912C2
NL1007912C2 NL1007912A NL1007912A NL1007912C2 NL 1007912 C2 NL1007912 C2 NL 1007912C2 NL 1007912 A NL1007912 A NL 1007912A NL 1007912 A NL1007912 A NL 1007912A NL 1007912 C2 NL1007912 C2 NL 1007912C2
Authority
NL
Netherlands
Prior art keywords
valve
pressure
switching device
hydraulic
valves
Prior art date
Application number
NL1007912A
Other languages
English (en)
Dutch (nl)
Inventor
Theodorus Gerhardus Potma
Original Assignee
Potma Beheer B V T
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 Potma Beheer B V T filed Critical Potma Beheer B V T
Priority to NL1007912A priority Critical patent/NL1007912C2/nl
Priority to DE69833277T priority patent/DE69833277T2/de
Priority to AT98962706T priority patent/ATE316200T1/de
Priority to PCT/NL1998/000734 priority patent/WO1999034100A1/en
Priority to US09/582,299 priority patent/US6564547B1/en
Priority to EP98962706A priority patent/EP1042596B1/de
Priority to AU17877/99A priority patent/AU1787799A/en
Application granted granted Critical
Publication of NL1007912C2 publication Critical patent/NL1007912C2/nl

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B71/00—Free-piston engines; Engines without rotary main shaft
    • F02B71/04—Adaptations of such engines for special use; Combinations of such engines with apparatus driven thereby
    • F02B71/045—Adaptations of such engines for special use; Combinations of such engines with apparatus driven thereby with hydrostatic transmission
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L25/00—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means
    • F01L25/02—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means
    • F01L25/04—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means by working-fluid of machine or engine, e.g. free-piston machine
    • F01L25/06—Arrangements with main and auxiliary valves, at least one of them being fluid-driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/04—Engines with variable distances between pistons at top dead-centre positions and cylinder heads
    • 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
    • F15B21/04—Special measures taken in connection with the properties of the fluid
    • F15B21/047—Preventing foaming, churning or cavitation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Braking Systems And Boosters (AREA)
  • Control Of Transmission Device (AREA)
NL1007912A 1997-12-24 1997-12-24 Verliesarme flow regeling voor hydromotoren en cilinders werkend vanuit een accumulator zoals bij toepassing van een vrije-zuiger aggregaat. NL1007912C2 (nl)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NL1007912A NL1007912C2 (nl) 1997-12-24 1997-12-24 Verliesarme flow regeling voor hydromotoren en cilinders werkend vanuit een accumulator zoals bij toepassing van een vrije-zuiger aggregaat.
DE69833277T DE69833277T2 (de) 1997-12-24 1998-12-24 Vorrichtung zur digitalen, hydraulischen drucktransformation
AT98962706T ATE316200T1 (de) 1997-12-24 1998-12-24 Vorrichtung zur digitalen, hydraulischen drucktransformation
PCT/NL1998/000734 WO1999034100A1 (en) 1997-12-24 1998-12-24 Device for digital hydraulic pressure transformation (dhpt)
US09/582,299 US6564547B1 (en) 1997-12-24 1998-12-24 Device for digital hydraulic pressure transformation (DHPT)
EP98962706A EP1042596B1 (de) 1997-12-24 1998-12-24 Vorrichtung zur digitalen, hydraulischen drucktransformation
AU17877/99A AU1787799A (en) 1997-12-24 1998-12-24 Device for digital hydraulic pressure transformation (dhpt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1007912 1997-12-24
NL1007912A NL1007912C2 (nl) 1997-12-24 1997-12-24 Verliesarme flow regeling voor hydromotoren en cilinders werkend vanuit een accumulator zoals bij toepassing van een vrije-zuiger aggregaat.

Publications (1)

Publication Number Publication Date
NL1007912C2 true NL1007912C2 (nl) 1999-06-25

Family

ID=19766264

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1007912A NL1007912C2 (nl) 1997-12-24 1997-12-24 Verliesarme flow regeling voor hydromotoren en cilinders werkend vanuit een accumulator zoals bij toepassing van een vrije-zuiger aggregaat.

Country Status (4)

Country Link
US (1) US6564547B1 (de)
AT (1) ATE316200T1 (de)
DE (1) DE69833277T2 (de)
NL (1) NL1007912C2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019161262A1 (en) 2018-02-15 2019-08-22 Jacobsen Innovations, Inc. Pump

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3179057A (en) * 1962-08-31 1965-04-20 Union Carbide Corp Equipment system for producing ultrahigh process pressures
US3811795A (en) * 1973-01-12 1974-05-21 Flow Research Inc High pressure fluid intensifier and method
US3943973A (en) * 1974-03-22 1976-03-16 Tedeco Ag Control system
US4066004A (en) * 1976-07-06 1978-01-03 J. I. Case Company Oscillatory electro-hydraulic system
US4579042A (en) * 1984-04-20 1986-04-01 Mac Valves, Inc. Selective air pressure control system for welding and like apparatus
US4854346A (en) * 1987-08-31 1989-08-08 Kuroda Seiko Co. Ltd. Control apparatus for manifold type electromagnetic valve device
US4949623A (en) * 1987-04-07 1990-08-21 Hartmann & Lammle Gmbh & Co. Kg Hydraulic drive mechanism
WO1996032576A1 (en) 1995-04-10 1996-10-17 T. Potma Beheer B.V. Operation and control of a free piston aggregate

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2551274A (en) * 1946-10-18 1951-05-01 Bendix Aviat Corp Temperature compensator for hydraulic systems
US3470692A (en) * 1967-03-13 1969-10-07 Int Harvester Co Parallel dual accumulator seat suspension
US3717995A (en) * 1971-10-12 1973-02-27 Hesston Corp Hydraulic flotation for implement header
US3918847A (en) * 1974-02-06 1975-11-11 Caterpillar Tractor Co Accumulator charging circuit for high pressure hydraulic system
US4435133A (en) 1977-10-17 1984-03-06 Pneumo Corporation Free piston engine pump with energy rate smoothing
US4389167A (en) * 1980-11-06 1983-06-21 Lucas Industries Limited Pump having membrane actuated control valve to unload slave actuated inlet valve
DE3206162A1 (de) * 1982-02-20 1983-09-01 Hartmann & Lämmle GmbH & Co KG, 7255 Rutesheim Antrieb fuer eine mittels eines hydromotors bewegbaren masse
DE3804744A1 (de) * 1988-02-16 1989-08-24 Danfoss As Steuereinrichtung fuer einen hydraulischen stellmotor
DE4000185A1 (de) 1989-01-11 1990-07-12 Komatsu Dresser Co Vorrichtung und verfahren zum verhindern von kavitation in einem hydrostatischen getriebe mit geschlossenem kreislauf
US5313795A (en) * 1992-12-17 1994-05-24 Case Corporation Control system with tri-pressure selector network
JPH0914202A (ja) 1995-06-28 1997-01-14 Sumitomo Constr Mach Co Ltd 建設機械のネガティブコントロール回路
US5743992A (en) * 1995-10-31 1998-04-28 Hughes Supply, Inc. Butt fusion apparatus with constant pressure accumulator

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3179057A (en) * 1962-08-31 1965-04-20 Union Carbide Corp Equipment system for producing ultrahigh process pressures
US3811795A (en) * 1973-01-12 1974-05-21 Flow Research Inc High pressure fluid intensifier and method
US3943973A (en) * 1974-03-22 1976-03-16 Tedeco Ag Control system
US4066004A (en) * 1976-07-06 1978-01-03 J. I. Case Company Oscillatory electro-hydraulic system
US4579042A (en) * 1984-04-20 1986-04-01 Mac Valves, Inc. Selective air pressure control system for welding and like apparatus
US4949623A (en) * 1987-04-07 1990-08-21 Hartmann & Lammle Gmbh & Co. Kg Hydraulic drive mechanism
US4854346A (en) * 1987-08-31 1989-08-08 Kuroda Seiko Co. Ltd. Control apparatus for manifold type electromagnetic valve device
WO1996032576A1 (en) 1995-04-10 1996-10-17 T. Potma Beheer B.V. Operation and control of a free piston aggregate

Also Published As

Publication number Publication date
DE69833277D1 (de) 2006-04-06
US6564547B1 (en) 2003-05-20
ATE316200T1 (de) 2006-02-15
DE69833277T2 (de) 2006-11-02

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PD2B A search report has been drawn up
VD1 Lapsed due to non-payment of the annual fee

Effective date: 20070701