DK2495431T3 - Hydraulic pump, in particular a fuel pump - Google Patents

Hydraulic pump, in particular a fuel pump

Info

Publication number
DK2495431T3
DK2495431T3 DK11157051T DK11157051T DK2495431T3 DK 2495431 T3 DK2495431 T3 DK 2495431T3 DK 11157051 T DK11157051 T DK 11157051T DK 11157051 T DK11157051 T DK 11157051T DK 2495431 T3 DK2495431 T3 DK 2495431T3
Authority
DK
Denmark
Prior art keywords
pump
fuel
hydraulic pump
hydraulic
fuel pump
Prior art date
Application number
DK11157051T
Other languages
Danish (da)
Inventor
Claudio Negri
Original Assignee
Omt Ohg Torino S P A
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 Omt Ohg Torino S P A filed Critical Omt Ohg Torino S P A
Application granted granted Critical
Publication of DK2495431T3 publication Critical patent/DK2495431T3/en

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
    • 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
    • F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
    • F02M59/46—Valves
    • F02M59/462—Delivery valves
    • 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
    • F02M59/20—Varying fuel delivery in quantity or timing
    • F02M59/36—Varying fuel delivery in quantity or timing by variably-timed valves controlling fuel passages to pumping elements or overflow passages
    • F02M59/365—Varying fuel delivery in quantity or timing by variably-timed valves controlling fuel passages to pumping elements or overflow passages valves being actuated by the fluid pressure produced in an auxiliary pump, e.g. pumps with differential pistons; Regulated pressure of supply pump actuating a metering valve, e.g. a sleeve surrounding the pump piston
    • 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0014—Valves characterised by the valve actuating means
    • F02M63/0028—Valves characterised by the valve actuating means hydraulic
    • F02M63/0029—Valves characterised by the valve actuating means hydraulic using a pilot valve controlling a hydraulic chamber
    • 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
    • F04B49/22—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
    • 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
    • F04B49/24—Bypassing
    • F04B49/246—Bypassing by keeping open the outlet valve
    • 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
    • F04B2201/06—Valve parameters
    • F04B2201/0601—Opening times
    • F04B2201/06012—Opening times of the outlet valve only
    • 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
    • F04B2205/05—Pressure after the pump outlet
    • 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
    • F04B2205/06—Pressure in a (hydraulic) circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Reciprocating Pumps (AREA)
DK11157051T 2011-03-04 2011-03-04 Hydraulic pump, in particular a fuel pump DK2495431T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20110157051 EP2495431B1 (en) 2011-03-04 2011-03-04 Hydraulic pump, in particular a fuel pump

Publications (1)

Publication Number Publication Date
DK2495431T3 true DK2495431T3 (en) 2014-02-03

Family

ID=44487076

Family Applications (1)

Application Number Title Priority Date Filing Date
DK11157051T DK2495431T3 (en) 2011-03-04 2011-03-04 Hydraulic pump, in particular a fuel pump

Country Status (5)

Country Link
EP (1) EP2495431B1 (en)
JP (1) JP5866225B2 (en)
KR (1) KR101540502B1 (en)
CN (1) CN102654091B (en)
DK (1) DK2495431T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2012391449B2 (en) * 2012-09-25 2016-04-21 Wei Sun Reciprocating low-speed heavy-load hydraulic pump with variable action area

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55160187A (en) * 1979-05-31 1980-12-12 Toyoda Autom Loom Works Ltd Compressor
DE3023731A1 (en) * 1980-06-25 1982-01-14 Mtu Motoren- Und Turbinen-Union Friedrichshafen Gmbh, 7990 Friedrichshafen INJECTION PUMP
DE3417210A1 (en) * 1984-05-10 1985-11-14 Robert Bosch Gmbh, 7000 Stuttgart PRESSURE VALVE
JPS6155382A (en) * 1984-08-27 1986-03-19 Mitsui Eng & Shipbuild Co Ltd Method and device for compression of reciprocative type
WO1995025887A1 (en) * 1994-03-23 1995-09-28 Siemens Aktiengesellschaft Arrangement for injecting fuel into the cylinders of an internal combustion engine
JPH10318060A (en) * 1997-05-22 1998-12-02 Toyota Motor Corp Pressure accumulation type fuel injection device
JP2000240528A (en) * 1999-02-18 2000-09-05 Toyota Motor Corp Fuel injection control device for internal combustion engine
GB0221165D0 (en) * 2002-09-12 2002-10-23 Artemis Intelligent Power Ltd Fluid-working machine and operating method
DE10327411B4 (en) * 2002-10-15 2015-12-17 Robert Bosch Gmbh Pressure relief valve and fuel system with such a pressure relief valve
DE50302164D1 (en) * 2002-10-15 2006-04-06 Bosch Gmbh Robert Pressure relief valve for a fuel injection system
ATE397722T1 (en) * 2005-03-09 2008-06-15 Delphi Tech Inc VALVE ARRANGEMENT
DE102005014093A1 (en) * 2005-03-29 2006-10-05 Robert Bosch Gmbh Two-step control of a high-pressure pump for direct injection gasoline engines
CN100473821C (en) * 2005-03-30 2009-04-01 株式会社电装 Fuel pump having plunger and fuel supply system using the same
JP4861958B2 (en) * 2007-10-31 2012-01-25 日立オートモティブシステムズ株式会社 High pressure fuel pump

Also Published As

Publication number Publication date
KR20120100804A (en) 2012-09-12
CN102654091B (en) 2016-07-06
JP2012184761A (en) 2012-09-27
KR101540502B1 (en) 2015-07-29
EP2495431B1 (en) 2014-01-15
EP2495431A1 (en) 2012-09-05
JP5866225B2 (en) 2016-02-17
CN102654091A (en) 2012-09-05

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