NL7110730A - - Google Patents

Info

Publication number
NL7110730A
NL7110730A NL7110730A NL7110730A NL7110730A NL 7110730 A NL7110730 A NL 7110730A NL 7110730 A NL7110730 A NL 7110730A NL 7110730 A NL7110730 A NL 7110730A NL 7110730 A NL7110730 A NL 7110730A
Authority
NL
Netherlands
Application number
NL7110730A
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 filed Critical
Publication of NL7110730A publication Critical patent/NL7110730A/xx

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/02—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations specially adapted for several machines or pumps connected in series or in parallel
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2232—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2239—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2278—Hydraulic circuits
    • E02F9/2292—Systems with two or more pumps
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2278—Hydraulic circuits
    • E02F9/2296—Systems with a variable displacement pump
    • 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
    • F04B49/007—Installations or systems with two or more pumps or pump cylinders, wherein the flow-path through the stages can be changed, e.g. from series to parallel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
    • F16H61/431—Pump capacity control by electro-hydraulic control means, e.g. using solenoid valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/46—Automatic regulation in accordance with output requirements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/46—Automatic regulation in accordance with output requirements
    • F16H61/472—Automatic regulation in accordance with output requirements for achieving a target output torque
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/30—Measuring the intensity of spectral lines directly on the spectrum itself
    • G01J3/32—Investigating bands of a spectrum in sequence by a single detector

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Operation Control Of Excavators (AREA)
  • Control Of Fluid Gearings (AREA)
NL7110730A 1970-08-05 1971-08-04 NL7110730A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2038968A DE2038968C3 (de) 1970-08-05 1970-08-05 Leistungs-Regelvorrichtung für zwei oder mehrere Hydropumpen

Publications (1)

Publication Number Publication Date
NL7110730A true NL7110730A (enrdf_load_stackoverflow) 1972-02-08

Family

ID=5778948

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7110730A NL7110730A (enrdf_load_stackoverflow) 1970-08-05 1971-08-04

Country Status (7)

Country Link
US (1) US3767327A (enrdf_load_stackoverflow)
CH (1) CH541723A (enrdf_load_stackoverflow)
DE (1) DE2038968C3 (enrdf_load_stackoverflow)
FR (1) FR2103965A5 (enrdf_load_stackoverflow)
GB (1) GB1347056A (enrdf_load_stackoverflow)
NL (1) NL7110730A (enrdf_load_stackoverflow)
SE (1) SE372064B (enrdf_load_stackoverflow)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2232226A5 (enrdf_load_stackoverflow) * 1973-05-28 1974-12-27 Poclain Sa
US3910044A (en) * 1973-08-24 1975-10-07 Case Co J I Hydraulic summating system
DE2505780C2 (de) * 1975-02-12 1986-03-06 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung zum Regeln wenigstens einer verstellbaren Pumpe
DE2505779C2 (de) * 1975-02-12 1983-01-13 Robert Bosch Gmbh, 7000 Stuttgart Grenzlastregeleinrichtung für verstellbare Pumpen
US3999892A (en) * 1976-02-09 1976-12-28 Caterpillar Tractor Co. Interconnected pump control means of a plurality of pumps
US4212596A (en) * 1978-02-23 1980-07-15 Caterpillar Tractor Co. Pressurized fluid supply system
US4498847A (en) * 1982-06-29 1985-02-12 Kabushiki Kaisha Komatsu Seisakusho Control system for variable displacement hydraulic pumps
DE3232695C2 (de) * 1982-09-02 1984-08-16 Hydromatik GmbH, 7915 Elchingen Leistungsregel-Vorrichtung für eine Hydropumpe
US4545202A (en) * 1983-10-24 1985-10-08 Sundstrand Corporation Pressure-regulating system
DE3340332C2 (de) * 1983-11-08 1988-11-10 Hydromatik GmbH, 7915 Elchingen Leistungs-Regelvorrichtung für einen hydrostatischen Antrieb mit Fördermengeneinstellung
US4613286A (en) * 1984-12-31 1986-09-23 Kabushiki Kaisha Komatsu Seisakusho Constant torque control system for a variable displacement pump or pumps
DE3638889A1 (de) * 1986-11-14 1988-05-26 Hydromatik Gmbh Summen-leistungsregelvorrichtung fuer wenigstens zwei hydrostatische getriebe
CA1278978C (en) * 1987-02-19 1991-01-15 Lary Lynn Williams Hydraulic system for an industrial machine
DE3728207A1 (de) * 1987-08-24 1989-03-09 Rexroth Mannesmann Gmbh Ventilanordnung fuer zwei von einem gemeinsamen antrieb angetriebene leistungsgeregelte pumpen
DE4118869C2 (de) * 1991-06-07 1995-06-29 Hydromatik Gmbh Regelvorrichtung zur Regelung des Verdrängungsvolumens mehrerer hydrostatischer Maschinen
US6109030A (en) * 1998-02-13 2000-08-29 Sauer Inc. Apparatus and method for ganging multiple open circuit pumps
CA2503818A1 (en) * 2004-04-08 2005-10-08 Timberjack, Inc. Tree feller power management
US7519837B2 (en) * 2004-06-15 2009-04-14 Hewlett-Packard Development Company, L.P. Power controller
US7793117B2 (en) * 2006-10-12 2010-09-07 Hewlett-Packard Development Company, L.P. Method, apparatus and system for determining power supply to a load
US8571753B2 (en) 2010-04-14 2013-10-29 Caterpillar Forest Products Inc. Power management system for a forestry machine to automatically adjust engine load

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3002462A (en) * 1957-08-13 1961-10-03 Racine Hydraulics & Machinery Fluid translating apparatus
US3188971A (en) * 1962-08-13 1965-06-15 Bendix Corp Control system for a pump
DE2017656A1 (de) * 1969-04-23 1970-11-05 Pensa, Carlo, Esino Lario, Como (Italien) Hydraulische FördermengeneinsteHvorrichtung für eine oder mehrere Pumpen
DE1922269A1 (de) * 1969-04-29 1970-11-12 Bellows Valvair Kaemper Gmbh Summenleistungsregler

Also Published As

Publication number Publication date
GB1347056A (en) 1974-02-13
DE2038968C3 (de) 1978-09-07
US3767327A (en) 1973-10-23
FR2103965A5 (enrdf_load_stackoverflow) 1972-04-14
DE2038968B2 (de) 1974-02-21
CH541723A (de) 1973-09-15
SE372064B (enrdf_load_stackoverflow) 1974-12-09
DE2038968A1 (de) 1972-02-10

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