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DE69919658D1 - Hydrauliksystem mit einer pumpe mit variabler fördermenge - Google Patents

Hydrauliksystem mit einer pumpe mit variabler fördermenge

Info

Publication number
DE69919658D1
DE69919658D1 DE69919658T DE69919658T DE69919658D1 DE 69919658 D1 DE69919658 D1 DE 69919658D1 DE 69919658 T DE69919658 T DE 69919658T DE 69919658 T DE69919658 T DE 69919658T DE 69919658 D1 DE69919658 D1 DE 69919658D1
Authority
DE
Germany
Prior art keywords
pump
flow rate
hydraulic system
variable flow
variable
Prior art date
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 - Fee Related
Application number
DE69919658T
Other languages
English (en)
Other versions
DE69919658T2 (de
Inventor
Michael D Anderson
Dennis H Gibson
Ronald D Shinogle
Matthew D Friede
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.)
Caterpillar Inc
Original Assignee
Caterpillar Inc
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 Caterpillar Inc filed Critical Caterpillar Inc
Publication of DE69919658D1 publication Critical patent/DE69919658D1/de
Application granted granted Critical
Publication of DE69919658T2 publication Critical patent/DE69919658T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M57/00—Fuel-injectors combined or associated with other devices
    • F02M57/02—Injectors structurally combined with fuel-injection pumps
    • F02M57/022—Injectors structurally combined with fuel-injection pumps characterised by the pump drive
    • F02M57/025—Injectors structurally combined with fuel-injection pumps characterised by the pump drive hydraulic, e.g. with pressure amplification
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
    • F02M59/04—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by special arrangement of cylinders with respect to piston-driving shaft, e.g. arranged parallel to that shaft or swash-plate type pumps
    • F02M59/06—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by special arrangement of cylinders with respect to piston-driving shaft, e.g. arranged parallel to that shaft or swash-plate type pumps with cylinders arranged radially to driving shaft, e.g. in V or star arrangement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
    • F02M59/10—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive
    • F02M59/105—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive hydraulic drive
    • 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
    • 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
    • F04B49/12—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
    • F04B49/121—Lost-motion device in the driving mechanism
    • 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
    • F04B49/22—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 means of valves
    • F04B49/225—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 means of valves with throttling valves or valves varying the pump inlet opening or the outlet opening
    • 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
    • F04B2201/02—Piston parameters
    • F04B2201/0206—Length of piston stroke
    • 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
    • F04B2205/00—Fluid parameters
    • F04B2205/17—Opening width of a throttling device
    • F04B2205/171—Opening width of a throttling device before the pump inlet

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Fuel-Injection Apparatus (AREA)
DE69919658T 1998-05-26 1999-05-11 Hydrauliksystem mit einer pumpe mit variabler fördermenge Expired - Fee Related DE69919658T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US8463598A 1998-05-26 1998-05-26
US84635 1998-05-26
PCT/US1999/010363 WO1999061796A1 (en) 1998-05-26 1999-05-11 Hydraulic system having a variable delivery pump

Publications (2)

Publication Number Publication Date
DE69919658D1 true DE69919658D1 (de) 2004-09-30
DE69919658T2 DE69919658T2 (de) 2005-09-15

Family

ID=22186238

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69919658T Expired - Fee Related DE69919658T2 (de) 1998-05-26 1999-05-11 Hydrauliksystem mit einer pumpe mit variabler fördermenge

Country Status (4)

Country Link
US (1) US6162022A (de)
EP (1) EP1000245B1 (de)
DE (1) DE69919658T2 (de)
WO (1) WO1999061796A1 (de)

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AT3212U1 (de) * 1998-05-22 1999-11-25 Weber Hydraulik Gmbh Radialkolbenpumpe
DE10010945B4 (de) * 2000-03-06 2004-07-22 Robert Bosch Gmbh Pumpe zur Versorgung eines Kraftstoffeinspritzsystems und einer hydraulischen Ventilsteuerung für Brennkraftmaschinen
US6424536B1 (en) 2000-07-28 2002-07-23 Nokia Corporation Circuit board protection method and apparatus
DE10045118B4 (de) * 2000-09-13 2006-02-09 Brueninghaus Hydromatik Gmbh Hydraulisches System mit einer Hauptpumpe und einer Vordruckpumpe
DE10153185A1 (de) * 2001-10-27 2003-05-15 Bosch Gmbh Robert Kraftstoffeinspritzanlage mit verbesserter Fördermengenregelung
EP1321663A3 (de) * 2001-12-19 2003-07-02 Robert Bosch Gmbh Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine
DE10212492B4 (de) * 2002-03-21 2012-02-02 Daimler Ag Kolbenpumpe
US6648609B2 (en) * 2002-04-05 2003-11-18 Berger Instruments, Inc. Pump as a pressure source for supercritical fluid chromatography involving pressure regulators and a precision orifice
US20030202892A1 (en) * 2002-04-30 2003-10-30 Eng-Amr Aly Abdel El Rahman Orfi Positive displacement pump
KR100539209B1 (ko) * 2002-08-29 2005-12-27 주식회사 두원정공 고압 서플라이 펌프
US6755625B2 (en) 2002-10-07 2004-06-29 Robert H. Breeden Inlet throttle valve
US6647965B1 (en) 2003-01-08 2003-11-18 Robert H. Breeden Pump assembly and method
GB0407297D0 (en) * 2004-03-31 2004-05-05 Caldwell N J Fluid working machine with displacement control
US20080115770A1 (en) * 2006-11-16 2008-05-22 Merchant Jack A Pump with torque reversal avoidance feature and engine system using same
US7444989B2 (en) * 2006-11-27 2008-11-04 Caterpillar Inc. Opposed pumping load high pressure common rail fuel pump
US8215922B2 (en) 2008-06-24 2012-07-10 Aurora Sfc Systems, Inc. Compressible fluid pumping system for dynamically compensating compressible fluids over large pressure ranges
US9163618B2 (en) 2008-06-24 2015-10-20 Agilent Technologies, Inc. Automated conversion between SFC and HPLC
CN102459901A (zh) * 2009-06-03 2012-05-16 伊顿公司 具有磁锁止阀的流体装置
US20110041522A1 (en) * 2009-08-04 2011-02-24 Vincent Carrubba Adapter system and method
US8419936B2 (en) * 2010-03-23 2013-04-16 Agilent Technologies, Inc. Low noise back pressure regulator for supercritical fluid chromatography
US10823160B1 (en) 2017-01-12 2020-11-03 Pumptec Inc. Compact pump with reduced vibration and reduced thermal degradation
WO2022108578A1 (en) * 2020-11-18 2022-05-27 Cummins Inc. Fuel pump assembly
US20240240630A1 (en) * 2023-01-13 2024-07-18 Hamilton Sundstrand Corporation High turn down ratio direct control for variable displacement pumps

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Also Published As

Publication number Publication date
EP1000245B1 (de) 2004-08-25
US6162022A (en) 2000-12-19
WO1999061796A1 (en) 1999-12-02
DE69919658T2 (de) 2005-09-15
EP1000245A1 (de) 2000-05-17

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee