ATE316200T1 - Vorrichtung zur digitalen, hydraulischen drucktransformation - Google Patents

Vorrichtung zur digitalen, hydraulischen drucktransformation

Info

Publication number
ATE316200T1
ATE316200T1 AT98962706T AT98962706T ATE316200T1 AT E316200 T1 ATE316200 T1 AT E316200T1 AT 98962706 T AT98962706 T AT 98962706T AT 98962706 T AT98962706 T AT 98962706T AT E316200 T1 ATE316200 T1 AT E316200T1
Authority
AT
Austria
Prior art keywords
pressure
hydraulic
switching device
hydraulic machine
location
Prior art date
Application number
AT98962706T
Other languages
English (en)
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
Application granted granted Critical
Publication of ATE316200T1 publication Critical patent/ATE316200T1/de

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)
AT98962706T 1997-12-24 1998-12-24 Vorrichtung zur digitalen, hydraulischen drucktransformation ATE316200T1 (de)

Applications Claiming Priority (1)

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.

Publications (1)

Publication Number Publication Date
ATE316200T1 true ATE316200T1 (de) 2006-02-15

Family

ID=19766264

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98962706T ATE316200T1 (de) 1997-12-24 1998-12-24 Vorrichtung zur digitalen, hydraulischen drucktransformation

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

Family Cites Families (20)

* 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
US3179057A (en) * 1962-08-31 1965-04-20 Union Carbide Corp Equipment system for producing ultrahigh process pressures
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
US3811795A (en) * 1973-01-12 1974-05-21 Flow Research Inc High pressure fluid intensifier and method
US3918847A (en) * 1974-02-06 1975-11-11 Caterpillar Tractor Co Accumulator charging circuit for high pressure hydraulic system
SE380640B (sv) * 1974-03-22 1975-11-10 Tedeco Ag Anordning for proportionell elektrohydraulisk fjerrstyrning av ett flertal hydrauliska manoverventiler.
US4066004A (en) * 1976-07-06 1978-01-03 J. I. Case Company Oscillatory electro-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
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
JPH0799214B2 (ja) * 1987-09-14 1995-10-25 黒田精工株式会社 マニホールド電磁弁の制御装置
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
CA2217864A1 (en) 1995-04-10 1996-10-17 T. Potma Beheer B.V. Operation and control of a free piston aggregate
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

Also Published As

Publication number Publication date
DE69833277D1 (de) 2006-04-06
US6564547B1 (en) 2003-05-20
DE69833277T2 (de) 2006-11-02
NL1007912C2 (nl) 1999-06-25

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties