FR2234799A5 - - Google Patents

Info

Publication number
FR2234799A5
FR2234799A5 FR7345085A FR7345085A FR2234799A5 FR 2234799 A5 FR2234799 A5 FR 2234799A5 FR 7345085 A FR7345085 A FR 7345085A FR 7345085 A FR7345085 A FR 7345085A FR 2234799 A5 FR2234799 A5 FR 2234799A5
Authority
FR
France
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.)
Expired
Application number
FR7345085A
Other languages
French (fr)
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Application granted granted Critical
Publication of FR2234799A5 publication Critical patent/FR2234799A5/fr
Expired 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)
FR7345085A 1973-06-22 1973-12-17 Expired FR2234799A5 (OSRAM)

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
FR2234799A5 true FR2234799A5 (OSRAM) 1975-01-17

Family

ID=5884656

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7345085A Expired FR2234799A5 (OSRAM) 1973-06-22 1973-12-17

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2394696A1 (fr) * 1977-06-18 1979-01-12 Bosch Gmbh Robert Dispositif de commande pour ensembles hydrostatiques de refoulement

Families Citing this family (38)

* 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
DE2505780C2 (de) * 1975-02-12 1986-03-06 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung zum Regeln wenigstens einer verstellbaren Pumpe
DE2505778C2 (de) * 1975-02-12 1981-09-24 Robert Bosch Gmbh, 7000 Stuttgart Grenzlastregelventil für eine Verstellpumpe
US3952515A (en) * 1975-02-20 1976-04-27 Caterpillar Tractor Co. Speed and load responsive underspeed actuator for hydrostatic transmissions
US4029439A (en) * 1975-12-22 1977-06-14 Abex Corporation Control system for variable displacement pumps
US4008004A (en) * 1975-12-22 1977-02-15 Abex Corporation Control system for variable displacement pumps
US4017219A (en) * 1975-12-22 1977-04-12 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
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
US4395199A (en) * 1979-10-15 1983-07-26 Hitachi Construction Machinery Co., Ltd. Control method of a system of internal combustion engine and hydraulic pump
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
KR870000168B1 (ko) * 1980-10-09 1987-02-13 히다찌겡끼 가부시기가이샤 액압동력계의 제어장치
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
US5525043A (en) * 1993-12-23 1996-06-11 Caterpillar Inc. Hydraulic power control system
US5468126A (en) * 1993-12-23 1995-11-21 Caterpillar Inc. Hydraulic power control system
US6305419B1 (en) 2000-07-14 2001-10-23 Clark Equipment Company Variable pilot pressure control for pilot valves
US8568104B2 (en) * 2002-11-04 2013-10-29 Graco Minnesota Inc. Fast set material proportioner
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
US8261717B2 (en) * 2008-02-04 2012-09-11 Illinois Tool Works Inc. Service pack power management
US8257056B2 (en) * 2008-02-04 2012-09-04 Illinois Took Works Inc. Service pack variable displacement pump
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
CA3030829C (en) 2016-09-02 2024-10-01 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 (OSRAM) * 1969-12-03 1974-09-23 I Soeyland
BE794115A (fr) * 1971-03-24 1973-05-16 Caterpillar Tractor Co Dispositif de valve sommatrice

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2394696A1 (fr) * 1977-06-18 1979-01-12 Bosch Gmbh Robert Dispositif de commande pour ensembles hydrostatiques de refoulement

Also Published As

Publication number Publication date
US3891354A (en) 1975-06-24
JPS5037001A (OSRAM) 1975-04-07
DE2331617A1 (de) 1975-01-16

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Legal Events

Date Code Title Description
ST Notification of lapse