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JPS5037001A - - Google Patents

Info

Publication number
JPS5037001A
JPS5037001A JP49070764A JP7076474A JPS5037001A JP S5037001 A JPS5037001 A JP S5037001A JP 49070764 A JP49070764 A JP 49070764A JP 7076474 A JP7076474 A JP 7076474A JP S5037001 A JPS5037001 A JP S5037001A
Authority
JP
Japan
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.)
Pending
Application number
JP49070764A
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 JPS5037001A publication Critical patent/JPS5037001A/ja
Pending legal-status Critical Current

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
    • F04B49/007—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
    • 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
    • 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
    • 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
    • F04B49/08—Regulating by delivery pressure
    • 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
    • F04B49/10—Other safety measures
    • F04B49/103—Responsive to speed
    • 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
    • F04B2201/00—Pump parameters
    • F04B2201/08—Cylinder or housing parameters
    • F04B2201/0805—Rotational speed of a rotating 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
    • F04B2201/00—Pump parameters
    • F04B2201/12—Parameters of driving or driven means
    • F04B2201/1213—Eccentricity of an outer annular cam
    • 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
    • F04B2207/00—External parameters
    • F04B2207/04—Settings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Reciprocating Pumps (AREA)
JP49070764A 1973-06-22 1974-06-20 Pending JPS5037001A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2331617A DE2331617A1 (de) 1973-06-22 1973-06-22 Regeleinrichtung fuer hydropumpen

Publications (1)

Publication Number Publication Date
JPS5037001A true JPS5037001A (ja) 1975-04-07

Family

ID=5884656

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49070764A Pending JPS5037001A (ja) 1973-06-22 1974-06-20

Country Status (4)

Country Link
US (1) US3891354A (ja)
JP (1) JPS5037001A (ja)
DE (1) DE2331617A1 (ja)
FR (1) FR2234799A5 (ja)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1515157A (en) * 1974-11-19 1978-06-21 Bosch Gmbh Robert Control device for hydraulic pumps
DE2505778C2 (de) * 1975-02-12 1981-09-24 Robert Bosch Gmbh, 7000 Stuttgart Grenzlastregelventil für eine Verstellpumpe
DE2505780C2 (de) * 1975-02-12 1986-03-06 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung zum Regeln wenigstens einer verstellbaren Pumpe
US3952515A (en) * 1975-02-20 1976-04-27 Caterpillar Tractor Co. Speed and load responsive underspeed actuator for hydrostatic transmissions
US4017219A (en) * 1975-12-22 1977-04-12 Abex Corporation Control system for variable displacement pumps
US4008004A (en) * 1975-12-22 1977-02-15 Abex Corporation Control system for variable displacement pumps
US4029439A (en) * 1975-12-22 1977-06-14 Abex Corporation Control system for variable displacement pumps
US3999892A (en) * 1976-02-09 1976-12-28 Caterpillar Tractor Co. Interconnected pump control means of a plurality of pumps
DE2727555A1 (de) * 1977-06-18 1979-01-04 Bosch Gmbh Robert Steuervorrichtung fuer hydrostatische verdraengeraggregate
US4212596A (en) * 1978-02-23 1980-07-15 Caterpillar Tractor Co. Pressurized fluid supply system
SE435750B (sv) * 1979-06-15 1984-10-15 Akermans Verkstad Ab Anordning for begrensning av fran ett hydraulaggregat uttagen effekt
DE3049938A1 (en) * 1979-10-15 1982-03-18 Y Aoyagi Method of controlling internal combustion engine and hydraulic pump system
JPS57171042A (en) * 1981-04-15 1982-10-21 Hitachi Constr Mach Co Ltd Control system for series including internal-combustion engine and hydraulic pump
JPS57173533A (en) * 1981-04-16 1982-10-25 Hitachi Constr Mach Co Ltd Controller of device containing internal combustion engine and oil hydraulic pump
DE3176207D1 (en) * 1980-10-09 1987-06-25 Hitachi Construction Machinery Method for controlling a hydraulic power system
US4600364A (en) * 1983-06-20 1986-07-15 Kabushiki Kaisha Komatsu Seisakusho Fluid operated pump displacement control system
US4637781A (en) * 1984-03-30 1987-01-20 Kabushiki Kaisha Komatsu Seisakusho Torque regulating system for fluid operated pump displacement control systems
DE3706117A1 (de) * 1987-02-25 1988-09-08 Linde Ag Steuer- und regeleinrichtung fuer ein antriebsaggregat
DE3728207A1 (de) * 1987-08-24 1989-03-09 Rexroth Mannesmann Gmbh Ventilanordnung fuer zwei von einem gemeinsamen antrieb angetriebene leistungsgeregelte pumpen
US5468126A (en) * 1993-12-23 1995-11-21 Caterpillar Inc. Hydraulic power control system
US5525043A (en) * 1993-12-23 1996-06-11 Caterpillar Inc. Hydraulic power control system
US6305419B1 (en) 2000-07-14 2001-10-23 Clark Equipment Company Variable pilot pressure control for pilot valves
KR101071018B1 (ko) * 2002-11-04 2011-10-06 그라코 미네소타 인크. 급속 경화 재료 배합기
CA2487461A1 (en) 2003-11-10 2005-05-10 Timberjack Inc. Anti-stall pilot pressure control system for open center systems
DE102006020441B4 (de) * 2006-05-03 2017-01-26 Bucyrus Hex Gmbh Verfahren zur Lastminderung eines oder mehrerer Motore in einem Groß-Hydraulikbagger
US7870915B2 (en) * 2006-11-28 2011-01-18 Illinois Tool Works Inc. Auxiliary service pack for a work vehicle
US8506267B2 (en) 2007-09-10 2013-08-13 Schlumberger Technology Corporation Pump assembly
US8257056B2 (en) * 2008-02-04 2012-09-04 Illinois Took Works Inc. Service pack variable displacement pump
US8261717B2 (en) * 2008-02-04 2012-09-11 Illinois Tool Works Inc. Service pack power management
US8690553B2 (en) * 2008-02-04 2014-04-08 Illinois Tool Works Inc. Service pack tandem pump
US20090218327A1 (en) * 2008-02-29 2009-09-03 Illinois Tool Works Inc. Hydraulically driven tool system
US20090218173A1 (en) * 2008-02-29 2009-09-03 Illinois Tool Works Inc. Aerial Work Platform with Compact Air Compressor
DE102009025707B4 (de) * 2009-06-20 2021-06-02 Robert Bosch Gmbh Vorrichtung zur Steuerung einer Anlage mit Hydraulikkreisen
US20110056192A1 (en) * 2009-09-10 2011-03-10 Robert Weber Technique for controlling pumps in a hydraulic system
US8606451B2 (en) 2010-10-06 2013-12-10 Caterpillar Global Mining Llc Energy system for heavy equipment
US8626403B2 (en) 2010-10-06 2014-01-07 Caterpillar Global Mining Llc Energy management and storage system
US8718845B2 (en) 2010-10-06 2014-05-06 Caterpillar Global Mining Llc Energy management system for heavy equipment
US9190852B2 (en) 2012-09-21 2015-11-17 Caterpillar Global Mining Llc Systems and methods for stabilizing power rate of change within generator based applications
CA3206994A1 (en) 2016-09-02 2018-03-08 Halliburton Energy Services, Inc. Hybrid drive systems for well stimulation operations

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3350881A (en) * 1966-01-13 1967-11-07 Delavan Mfg Company Constant delivery pump system
DE1933951C3 (de) * 1969-07-04 1974-08-29 Hydromatik Gmbh, 7900 Ulm Regelvorrichtung für die Begrenzung der Summe der abgenommenen Leistung zweier oder mehrerer verstellbarer Hydropumpen
SE369948B (ja) * 1969-12-03 1974-09-23 I Soeyland
BE794115A (fr) * 1971-03-24 1973-05-16 Caterpillar Tractor Co Dispositif de valve sommatrice

Also Published As

Publication number Publication date
US3891354A (en) 1975-06-24
FR2234799A5 (ja) 1975-01-17
DE2331617A1 (de) 1975-01-16

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